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Overview
Comment:Merge in all the 3.9.0 updates from trunk.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | cursor-hints
Files: files | file ages | folders
SHA1: 29444149342fc6b1ea8cd34c2c8e1fcb06eaa7ed
User & Date: drh 2015-10-14 20:09:54
Context
2015-10-16
20:53
Merge recent enhancements from trunk. Version now 3.9.1. check-in: 26fa091d user: drh tags: cursor-hints
2015-10-14
20:09
Merge in all the 3.9.0 updates from trunk. check-in: 29444149 user: drh tags: cursor-hints
20:03
Update makefiles to remove all uses of "awk" - to make building SQLite easier on Windows systems. The only requirements now are tclsh, a C compiler, and common file utilities. check-in: 4bd0d43d user: drh tags: trunk
2015-09-24
15:06
Merge trunk changes into the cursor-hints branch. check-in: fbe63762 user: drh tags: cursor-hints
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Deleted Makefile.arm-wince-mingw32ce-gcc.

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#!/usr/make
#
# Makefile for SQLITE
#
# This is a template makefile for SQLite.  Most people prefer to
# use the autoconf generated "configure" script to generate the
# makefile automatically.  But that does not work for everybody
# and in every situation.  If you are having problems with the
# "configure" script, you might want to try this makefile as an
# alternative.  Create a copy of this file, edit the parameters
# below and type "make".
#

#### The directory where to find the mingw32ce tools
MINGW32CE = /opt/mingw32ce/bin

#### The target prefix of the mingw32ce tools
TARGET = arm-wince-mingw32ce

#### The toplevel directory of the source tree.  This is the directory
#    that contains this "Makefile.in" and the "configure.in" script.
#
TOP = ../sqlite

#### C Compiler and options for use in building executables that
#    will run on the platform that is doing the build.
#
BCC = gcc -g -O2
#BCC = /opt/ancic/bin/c89 -0

#### If the target operating system supports the "usleep()" system
#    call, then define the HAVE_USLEEP macro for all C modules.
#
USLEEP = 
#USLEEP = -DHAVE_USLEEP=1

#### If you want the SQLite library to be safe for use within a 
#    multi-threaded program, then define the following macro
#    appropriately:
#
THREADSAFE = -DTHREADSAFE=1
#THREADSAFE = -DTHREADSAFE=0

#### Specify any extra linker options needed to make the library
#    thread safe
#
#THREADLIB = -lpthread
THREADLIB = 

#### Specify any extra libraries needed to access required functions.
#
#TLIBS = -lrt    # fdatasync on Solaris 8
TLIBS = 

#### Leave SQLITE_DEBUG undefined for maximum speed.  Use SQLITE_DEBUG=1
#    to check for memory leaks.  Use SQLITE_DEBUG=2 to print a log of all
#    malloc()s and free()s in order to track down memory leaks.
#    
#    SQLite uses some expensive assert() statements in the inner loop.
#    You can make the library go almost twice as fast if you compile
#    with -DNDEBUG=1
#
#OPTS = -DSQLITE_DEBUG=2
#OPTS = -DSQLITE_DEBUG=1
#OPTS = 
OPTS = -DNDEBUG=1 -DSQLITE_OS_WIN=1 -D_WIN32_WCE=1
#OPTS += -DHAVE_FDATASYNC=1

#### The suffix to add to executable files.  ".exe" for windows.
#    Nothing for unix.
#
EXE = .exe
#EXE =

#### C Compile and options for use in building executables that 
#    will run on the target platform.  This is usually the same
#    as BCC, unless you are cross-compiling.
#
#TCC = gcc -O6
#TCC = gcc -g -O0 -Wall
#TCC = gcc -g -O0 -Wall -fprofile-arcs -ftest-coverage
#TCC = /opt/mingw/bin/i386-mingw32-gcc -O6
TCC = $(MINGW32CE)/$(TARGET)-gcc -O2
#TCC = /opt/ansic/bin/c89 -O +z -Wl,-a,archive

#### Tools used to build a static library.
#
#AR = ar cr
#AR = /opt/mingw/bin/i386-mingw32-ar cr
AR = $(MINGW32CE)/$(TARGET)-ar cr
#RANLIB = ranlib
#RANLIB = /opt/mingw/bin/i386-mingw32-ranlib
RANLIB = $(MINGW32CE)/$(TARGET)-ranlib

#MKSHLIB = gcc -shared
#SO = so
#SHPREFIX = lib
MKSHLIB = $(MINGW32CE)/$(TARGET)-gcc -shared
SO = dll
SHPREFIX =

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.5linux
#TCL_FLAGS = -I/home/drh/tcltk/8.5win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.5linux/libtcl8.5g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.5win/libtcl85s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.
#
READLINE_FLAGS =
#READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline

#### Linker options needed by programs using readline() must link against.
#
LIBREADLINE =
#LIBREADLINE = -static -lreadline -ltermcap

#### Which "awk" program provides nawk compatibilty
#
# NAWK = nawk
NAWK = awk

# You should not have to change anything below this line
###############################################################################
include $(TOP)/main.mk
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Changes to Makefile.in.

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# Should the database engine be compiled threadsafe
#
TCC += -DSQLITE_THREADSAFE=@SQLITE_THREADSAFE@

# Any target libraries which libsqlite must be linked against
# 
TLIBS = @LIBS@

# Flags controlling use of the in memory btree implementation
#
# SQLITE_TEMP_STORE is 0 to force temporary tables to be in a file, 1 to
# default to file, 2 to default to memory, and 3 to force temporary
# tables to always be in memory.
#
................................................................................
ALLOWRELEASE = @ALLOWRELEASE@

# libtool compile/link/install
LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(TCC) $(LTCOMPILE_EXTRAS)
LTLINK = $(LIBTOOL) --mode=link $(TCC) $(LTCOMPILE_EXTRAS) @LDFLAGS@ $(LTLINK_EXTRAS)
LTINSTALL = $(LIBTOOL) --mode=install $(INSTALL)

# nawk compatible awk.
NAWK = @AWK@

# You should not have to change anything below this line
###############################################################################

USE_AMALGAMATION = @USE_AMALGAMATION@

# Object files for the SQLite library (non-amalgamation).
#
................................................................................
         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo \
         fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
	 fts5.lo \
         func.lo global.lo hash.lo \
         icu.lo insert.lo journal.lo legacy.lo loadext.lo \
         main.lo malloc.lo mem0.lo mem1.lo mem2.lo mem3.lo mem5.lo \
         memjournal.lo \
         mutex.lo mutex_noop.lo mutex_unix.lo mutex_w32.lo \
         notify.lo opcodes.lo os.lo os_unix.lo os_win.lo \
         pager.lo parse.lo pcache.lo pcache1.lo pragma.lo prepare.lo printf.lo \
         random.lo resolve.lo rowset.lo rtree.lo select.lo status.lo \
         table.lo threads.lo tokenize.lo treeview.lo trigger.lo \
................................................................................
  $(TOP)/src/status.c \
  $(TOP)/src/shell.c \
  $(TOP)/src/sqlite.h.in \
  $(TOP)/src/sqlite3ext.h \
  $(TOP)/src/sqliteInt.h \
  $(TOP)/src/sqliteLimit.h \
  $(TOP)/src/table.c \
  $(TOP)/src/threads.c \
  $(TOP)/src/tclsqlite.c \
  $(TOP)/src/tokenize.c \
  $(TOP)/src/treeview.c \
  $(TOP)/src/trigger.c \
  $(TOP)/src/utf.c \
  $(TOP)/src/update.c \
  $(TOP)/src/util.c \
  $(TOP)/src/vacuum.c \
................................................................................
  $(TOP)/ext/icu/icu.c
SRC += \
  $(TOP)/ext/rtree/rtree.h \
  $(TOP)/ext/rtree/rtree.c
SRC += \
  $(TOP)/ext/rbu/sqlite3rbu.h \
  $(TOP)/ext/rbu/sqlite3rbu.c





# Generated source code files
#
SRC += \
  keywordhash.h \
  opcodes.c \
................................................................................
  $(TOP)/ext/misc/closure.c \
  $(TOP)/ext/misc/eval.c \
  $(TOP)/ext/misc/fileio.c \
  $(TOP)/ext/misc/fuzzer.c \
  $(TOP)/ext/fts5/fts5_tcl.c \
  $(TOP)/ext/fts5/fts5_test_mi.c \
  $(TOP)/ext/misc/ieee754.c \
  $(TOP)/ext/misc/json1.c \
  $(TOP)/ext/misc/nextchar.c \
  $(TOP)/ext/misc/percentile.c \
  $(TOP)/ext/misc/regexp.c \
  $(TOP)/ext/misc/series.c \
  $(TOP)/ext/misc/spellfix.c \
  $(TOP)/ext/misc/totype.c \
  $(TOP)/ext/misc/wholenumber.c
................................................................................
#
FUZZDATA = \
  $(TOP)/test/fuzzdata1.db \
  $(TOP)/test/fuzzdata2.db \
  $(TOP)/test/fuzzdata3.db \
  $(TOP)/test/fuzzdata4.db

# Extra arguments for including json1 in the build of tools
#
JSON1_DEP = $(TOP)/ext/misc/json1.c sqlite3ext.h
JSON1_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_CORE
JSON1_SRC = $(TOP)/ext/misc/json1.c

# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt







# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	sqlite3.h libsqlite3.la sqlite3$(TEXE) $(HAVE_TCL:1=libtclsqlite3.la)

Makefile: $(TOP)/Makefile.in
................................................................................
libtclsqlite3.la:	tclsqlite.lo libsqlite3.la
	$(LTLINK) -no-undefined -o $@ tclsqlite.lo \
		libsqlite3.la @TCL_STUB_LIB_SPEC@ $(TLIBS) \
		-rpath "$(TCLLIBDIR)" \
		-version-info "8:6:8" \
		-avoid-version

sqlite3$(TEXE):	$(TOP)/src/shell.c libsqlite3.la sqlite3.h $(JSON1_DEP)
	$(LTLINK) $(READLINE_FLAGS) $(JSON1_OPT) -o $@ \
		$(TOP)/src/shell.c $(JSON1_SRC) libsqlite3.la \
		$(LIBREADLINE) $(TLIBS) -rpath "$(libdir)"

sqldiff$(TEXE):	$(TOP)/tool/sqldiff.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(TOP)/tool/sqldiff.c sqlite3.c $(TLIBS)

fuzzershell$(TEXE):	$(TOP)/tool/fuzzershell.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(LTLINK) -o $@ $(JSON1_OPT) \
	  $(TOP)/tool/fuzzershell.c $(JSON1_SRC) sqlite3.c $(TLIBS)

fuzzcheck$(TEXE):	$(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(LTLINK) -o $@ $(JSON1_OPT) $(TOP)/test/fuzzcheck.c $(JSON1_SRC) sqlite3.c $(TLIBS)

mptester$(TEXE):	sqlite3.c $(TOP)/mptest/mptest.c
	$(LTLINK) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \
		$(TLIBS) -rpath "$(libdir)"

MPTEST1=./mptester$(TEXE) mptest.db $(TOP)/mptest/crash01.test --repeat 20
MPTEST2=./mptester$(TEXE) mptest.db $(TOP)/mptest/multiwrite01.test --repeat 20
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
.target_source:	$(SRC) $(TOP)/tool/vdbe-compress.tcl
	rm -rf tsrc
	mkdir tsrc
	cp -f $(SRC) tsrc
	rm tsrc/sqlite.h.in tsrc/parse.y
	$(TCLSH_CMD) $(TOP)/tool/vdbe-compress.tcl $(OPTS) <tsrc/vdbe.c >vdbe.new
	mv vdbe.new tsrc/vdbe.c

	touch .target_source

sqlite3.c:	.target_source $(TOP)/tool/mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)/tool/mksqlite3c.tcl
	cp tsrc/shell.c tsrc/sqlite3ext.h .




tclsqlite3.c:	sqlite3.c
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	cat $(TOP)/src/tclsqlite.c >>tclsqlite3.c

................................................................................

tclsqlite3$(TEXE):	tclsqlite-shell.lo libsqlite3.la
	$(LTLINK) -o $@ tclsqlite-shell.lo \
		 libsqlite3.la $(LIBTCL)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)/mkopcodec.awk
	$(NAWK) -f $(TOP)/mkopcodec.awk opcodes.h >opcodes.c

opcodes.h:	parse.h $(TOP)/src/vdbe.c $(TOP)/mkopcodeh.awk
	cat parse.h $(TOP)/src/vdbe.c | $(NAWK) -f $(TOP)/mkopcodeh.awk >opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)/src/parse.y lemon$(BEXE) $(TOP)/addopcodes.awk
	cp $(TOP)/src/parse.y .
	rm -f parse.h
	./lemon$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) parse.y
	mv parse.h parse.h.temp
	$(NAWK) -f $(TOP)/addopcodes.awk parse.h.temp >parse.h

sqlite3.h:	$(TOP)/src/sqlite.h.in $(TOP)/manifest.uuid $(TOP)/VERSION
	$(TCLSH_CMD) $(TOP)/tool/mksqlite3h.tcl $(TOP) >sqlite3.h

keywordhash.h:	$(TOP)/tool/mkkeywordhash.c
	$(BCC) -o mkkeywordhash$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) $(TOP)/tool/mkkeywordhash.c
	./mkkeywordhash$(BEXE) >keywordhash.h
................................................................................

fts3_write.lo:	$(TOP)/ext/fts3/fts3_write.c $(HDR) $(EXTHDR)
	$(LTCOMPILE) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_write.c

rtree.lo:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
	$(LTCOMPILE) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c




# FTS5 things
#
FTS5_SRC = \
   $(TOP)/ext/fts5/fts5.h \
   $(TOP)/ext/fts5/fts5Int.h \
   $(TOP)/ext/fts5/fts5_aux.c \
   $(TOP)/ext/fts5/fts5_buffer.c \
................................................................................

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	$(NAWK) -f $(TOP)/tool/tostr.awk $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(TEXE): sqlite3_analyzer.c
	$(LTLINK) sqlite3_analyzer.c -o $@ $(LIBTCL) $(TLIBS)

showdb$(TEXE):	$(TOP)/tool/showdb.c sqlite3.lo
	$(LTLINK) -o $@ $(TOP)/tool/showdb.c sqlite3.lo $(TLIBS)







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# Should the database engine be compiled threadsafe
#
TCC += -DSQLITE_THREADSAFE=@SQLITE_THREADSAFE@

# Any target libraries which libsqlite must be linked against
# 
TLIBS = @LIBS@ $(LIBS)

# Flags controlling use of the in memory btree implementation
#
# SQLITE_TEMP_STORE is 0 to force temporary tables to be in a file, 1 to
# default to file, 2 to default to memory, and 3 to force temporary
# tables to always be in memory.
#
................................................................................
ALLOWRELEASE = @ALLOWRELEASE@

# libtool compile/link/install
LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(TCC) $(LTCOMPILE_EXTRAS)
LTLINK = $(LIBTOOL) --mode=link $(TCC) $(LTCOMPILE_EXTRAS) @LDFLAGS@ $(LTLINK_EXTRAS)
LTINSTALL = $(LIBTOOL) --mode=install $(INSTALL)




# You should not have to change anything below this line
###############################################################################

USE_AMALGAMATION = @USE_AMALGAMATION@

# Object files for the SQLite library (non-amalgamation).
#
................................................................................
         expr.lo fault.lo fkey.lo \
         fts3.lo fts3_aux.lo fts3_expr.lo fts3_hash.lo fts3_icu.lo \
         fts3_porter.lo fts3_snippet.lo fts3_tokenizer.lo fts3_tokenizer1.lo \
         fts3_tokenize_vtab.lo \
         fts3_unicode.lo fts3_unicode2.lo fts3_write.lo \
	 fts5.lo \
         func.lo global.lo hash.lo \
         icu.lo insert.lo journal.lo json1.lo legacy.lo loadext.lo \
         main.lo malloc.lo mem0.lo mem1.lo mem2.lo mem3.lo mem5.lo \
         memjournal.lo \
         mutex.lo mutex_noop.lo mutex_unix.lo mutex_w32.lo \
         notify.lo opcodes.lo os.lo os_unix.lo os_win.lo \
         pager.lo parse.lo pcache.lo pcache1.lo pragma.lo prepare.lo printf.lo \
         random.lo resolve.lo rowset.lo rtree.lo select.lo status.lo \
         table.lo threads.lo tokenize.lo treeview.lo trigger.lo \
................................................................................
  $(TOP)/src/status.c \
  $(TOP)/src/shell.c \
  $(TOP)/src/sqlite.h.in \
  $(TOP)/src/sqlite3ext.h \
  $(TOP)/src/sqliteInt.h \
  $(TOP)/src/sqliteLimit.h \
  $(TOP)/src/table.c \
  $(TOP)/src/tclsqlite.c \
  $(TOP)/src/threads.c \
  $(TOP)/src/tokenize.c \
  $(TOP)/src/treeview.c \
  $(TOP)/src/trigger.c \
  $(TOP)/src/utf.c \
  $(TOP)/src/update.c \
  $(TOP)/src/util.c \
  $(TOP)/src/vacuum.c \
................................................................................
  $(TOP)/ext/icu/icu.c
SRC += \
  $(TOP)/ext/rtree/rtree.h \
  $(TOP)/ext/rtree/rtree.c
SRC += \
  $(TOP)/ext/rbu/sqlite3rbu.h \
  $(TOP)/ext/rbu/sqlite3rbu.c
SRC += \
  $(TOP)/ext/misc/json1.c



# Generated source code files
#
SRC += \
  keywordhash.h \
  opcodes.c \
................................................................................
  $(TOP)/ext/misc/closure.c \
  $(TOP)/ext/misc/eval.c \
  $(TOP)/ext/misc/fileio.c \
  $(TOP)/ext/misc/fuzzer.c \
  $(TOP)/ext/fts5/fts5_tcl.c \
  $(TOP)/ext/fts5/fts5_test_mi.c \
  $(TOP)/ext/misc/ieee754.c \

  $(TOP)/ext/misc/nextchar.c \
  $(TOP)/ext/misc/percentile.c \
  $(TOP)/ext/misc/regexp.c \
  $(TOP)/ext/misc/series.c \
  $(TOP)/ext/misc/spellfix.c \
  $(TOP)/ext/misc/totype.c \
  $(TOP)/ext/misc/wholenumber.c
................................................................................
#
FUZZDATA = \
  $(TOP)/test/fuzzdata1.db \
  $(TOP)/test/fuzzdata2.db \
  $(TOP)/test/fuzzdata3.db \
  $(TOP)/test/fuzzdata4.db







# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt

# Extra compiler options for various shell tools
#
SHELL_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1

# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	sqlite3.h libsqlite3.la sqlite3$(TEXE) $(HAVE_TCL:1=libtclsqlite3.la)

Makefile: $(TOP)/Makefile.in
................................................................................
libtclsqlite3.la:	tclsqlite.lo libsqlite3.la
	$(LTLINK) -no-undefined -o $@ tclsqlite.lo \
		libsqlite3.la @TCL_STUB_LIB_SPEC@ $(TLIBS) \
		-rpath "$(TCLLIBDIR)" \
		-version-info "8:6:8" \
		-avoid-version

sqlite3$(TEXE):	$(TOP)/src/shell.c libsqlite3.la sqlite3.h
	$(LTLINK) $(READLINE_FLAGS) $(SHELL_OPT) -o $@ \
		$(TOP)/src/shell.c libsqlite3.la \
		$(LIBREADLINE) $(TLIBS) -rpath "$(libdir)"

sqldiff$(TEXE):	$(TOP)/tool/sqldiff.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(TOP)/tool/sqldiff.c sqlite3.c $(TLIBS)

fuzzershell$(TEXE):	$(TOP)/tool/fuzzershell.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(FUZZERSHELL_OPT) \
	  $(TOP)/tool/fuzzershell.c sqlite3.c $(TLIBS)

fuzzcheck$(TEXE):	$(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h
	$(LTLINK) -o $@ $(FUZZCHECK_OPT) $(TOP)/test/fuzzcheck.c sqlite3.c $(TLIBS)

mptester$(TEXE):	sqlite3.c $(TOP)/mptest/mptest.c
	$(LTLINK) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \
		$(TLIBS) -rpath "$(libdir)"

MPTEST1=./mptester$(TEXE) mptest.db $(TOP)/mptest/crash01.test --repeat 20
MPTEST2=./mptester$(TEXE) mptest.db $(TOP)/mptest/multiwrite01.test --repeat 20
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
.target_source:	$(SRC) $(TOP)/tool/vdbe-compress.tcl fts5.c
	rm -rf tsrc
	mkdir tsrc
	cp -f $(SRC) tsrc
	rm tsrc/sqlite.h.in tsrc/parse.y
	$(TCLSH_CMD) $(TOP)/tool/vdbe-compress.tcl $(OPTS) <tsrc/vdbe.c >vdbe.new
	mv vdbe.new tsrc/vdbe.c
	cp fts5.c fts5.h tsrc
	touch .target_source

sqlite3.c:	.target_source $(TOP)/tool/mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)/tool/mksqlite3c.tcl
	cp tsrc/shell.c tsrc/sqlite3ext.h .

sqlite3ext.h:	.target_source
	cp tsrc/sqlite3ext.h .

tclsqlite3.c:	sqlite3.c
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	cat $(TOP)/src/tclsqlite.c >>tclsqlite3.c

................................................................................

tclsqlite3$(TEXE):	tclsqlite-shell.lo libsqlite3.la
	$(LTLINK) -o $@ tclsqlite-shell.lo \
		 libsqlite3.la $(LIBTCL)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)/tool/mkopcodec.tcl
	$(TCLSH_CMD) $(TOP)/tool/mkopcodec.tcl opcodes.h >opcodes.c

opcodes.h:	parse.h $(TOP)/src/vdbe.c $(TOP)/tool/mkopcodeh.tcl
	cat parse.h $(TOP)/src/vdbe.c | $(TCLSH_CMD) $(TOP)/tool/mkopcodeh.tcl >opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)/src/parse.y lemon$(BEXE) $(TOP)/tool/addopcodes.tcl
	cp $(TOP)/src/parse.y .
	rm -f parse.h
	./lemon$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) parse.y
	mv parse.h parse.h.temp
	$(TCLSH_CMD) $(TOP)/tool/addopcodes.tcl parse.h.temp >parse.h

sqlite3.h:	$(TOP)/src/sqlite.h.in $(TOP)/manifest.uuid $(TOP)/VERSION
	$(TCLSH_CMD) $(TOP)/tool/mksqlite3h.tcl $(TOP) >sqlite3.h

keywordhash.h:	$(TOP)/tool/mkkeywordhash.c
	$(BCC) -o mkkeywordhash$(BEXE) $(OPT_FEATURE_FLAGS) $(OPTS) $(TOP)/tool/mkkeywordhash.c
	./mkkeywordhash$(BEXE) >keywordhash.h
................................................................................

fts3_write.lo:	$(TOP)/ext/fts3/fts3_write.c $(HDR) $(EXTHDR)
	$(LTCOMPILE) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_write.c

rtree.lo:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
	$(LTCOMPILE) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c

json1.lo:	$(TOP)/ext/misc/json1.c
	$(LTCOMPILE) -DSQLITE_CORE -c $(TOP)/ext/misc/json1.c

# FTS5 things
#
FTS5_SRC = \
   $(TOP)/ext/fts5/fts5.h \
   $(TOP)/ext/fts5/fts5Int.h \
   $(TOP)/ext/fts5/fts5_aux.c \
   $(TOP)/ext/fts5/fts5_buffer.c \
................................................................................

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	$(TCLSH_CMD) $(TOP)/tool/tostr.tcl $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(TEXE): sqlite3_analyzer.c
	$(LTLINK) sqlite3_analyzer.c -o $@ $(LIBTCL) $(TLIBS)

showdb$(TEXE):	$(TOP)/tool/showdb.c sqlite3.lo
	$(LTLINK) -o $@ $(TOP)/tool/showdb.c sqlite3.lo $(TLIBS)

Changes to Makefile.linux-gcc.

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#READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline

#### Linker options needed by programs using readline() must link against.
#
LIBREADLINE =
#LIBREADLINE = -static -lreadline -ltermcap

#### Which "awk" program provides nawk compatibilty
#
# NAWK = nawk
NAWK = awk

# You should not have to change anything below this line
###############################################################################
include $(TOP)/main.mk







<
<
<
<
<



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#READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline

#### Linker options needed by programs using readline() must link against.
#
LIBREADLINE =
#LIBREADLINE = -static -lreadline -ltermcap






# You should not have to change anything below this line
###############################################################################
include $(TOP)/main.mk

Changes to Makefile.msc.

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!ENDIF
!ENDIF

# These are additional compiler options used for the shell executable.
#
!IFNDEF SHELL_COMPILE_OPTS
!IF $(DYNAMIC_SHELL)!=0
SHELL_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1 $(SHELL_CCONV_OPTS) -DSQLITE_API=__declspec(dllimport)
!ELSE
SHELL_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1 $(SHELL_CCONV_OPTS)
!ENDIF
!ENDIF

# This is the core library that the shell executable should depend on.
#
!IFNDEF SHELL_CORE_DEP
!IF $(DYNAMIC_SHELL)!=0
................................................................................
!IFNDEF TCLLIBDIR
TCLLIBDIR = c:\tcl\lib
!ENDIF

!IFNDEF LIBTCL
LIBTCL = tcl85.lib
!ENDIF





# The locations of the ICU header and library files.  These variables
# (ICUINCDIR, ICULIBDIR, and LIBICU) may be overridden via the environment
# prior to running nmake in order to match the actual installed location on
# this machine.
#
!IFNDEF ICUINCDIR
................................................................................
# If ICU support is enabled, add the linker options for it.
#
!IF $(USE_ICU)!=0
LTLIBPATHS = $(LTLIBPATHS) /LIBPATH:$(ICULIBDIR)
LTLIBS = $(LTLIBS) $(LIBICU)
!ENDIF

# nawk compatible awk.
#
!IFNDEF NAWK
NAWK = gawk.exe
!ENDIF

# You should not have to change anything below this line
###############################################################################

# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = vdbe.lo parse.lo alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
................................................................................
  $(TOP)\ext\fts3\fts3_unicode2.c \
  $(TOP)\ext\fts3\fts3_write.c \
  $(TOP)\ext\icu\sqliteicu.h \
  $(TOP)\ext\icu\icu.c \
  $(TOP)\ext\rtree\rtree.h \
  $(TOP)\ext\rtree\rtree.c \
  $(TOP)\ext\rbu\sqlite3rbu.h \
  $(TOP)\ext\rbu\sqlite3rbu.c



# Generated source code files
#
SRC5 = \
  keywordhash.h \
  opcodes.c \
................................................................................
#
FUZZDATA = \
  $(TOP)\test\fuzzdata1.db \
  $(TOP)\test\fuzzdata2.db \
  $(TOP)\test\fuzzdata3.db \
  $(TOP)\test\fuzzdata4.db

# Extra arguments for including json1 in the build of tools
#
JSON1_DEP = sqlite3ext.h $(TOP)\ext\misc\json1.c
JSON1_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_CORE
JSON1_SRC = $(TOP)\ext\misc\json1.c

# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt

# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
................................................................................
#
all:	dll libsqlite3.lib sqlite3.exe libtclsqlite3.lib

libsqlite3.lib:	$(LIBOBJ)
	$(LTLIB) $(LTLIBOPTS) /OUT:$@ $(LIBOBJ) $(TLIBS)

libtclsqlite3.lib:	tclsqlite.lo libsqlite3.lib
	$(LTLIB) $(LTLIBOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite.lo libsqlite3.lib $(LIBTCL:tcl=tclstub) $(TLIBS)

sqlite3.exe:	$(TOP)\src\shell.c $(JSON1_DEP) $(SHELL_CORE_DEP) $(LIBRESOBJS) sqlite3.h
	$(LTLINK) $(SHELL_COMPILE_OPTS) $(JSON1_OPT) $(READLINE_FLAGS) $(TOP)\src\shell.c $(JSON1_SRC) \
		/link /pdb:sqlite3sh.pdb $(LTLINKOPTS) $(SHELL_LINK_OPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LIBREADLINE) $(LTLIBS) $(TLIBS)

sqldiff.exe:	$(TOP)\tool\sqldiff.c sqlite3.c sqlite3.h
	$(LTLINK) $(NO_WARN) $(TOP)\tool\sqldiff.c sqlite3.c

fuzzershell.exe:	$(TOP)\tool\fuzzershell.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(LTLINK) $(NO_WARN) $(JSON1_OPT) \
	  $(TOP)\tool\fuzzershell.c $(JSON1_SRC) sqlite3.c

fuzzcheck.exe:	$(TOP)\test\fuzzcheck.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(LTLINK) $(NO_WARN) $(JSON1_OPT) $(TOP)\test\fuzzcheck.c $(JSON1_SRC) sqlite3.c

mptester.exe:	$(TOP)\mptest\mptest.c $(SHELL_CORE_DEP) $(LIBRESOBJS) sqlite3.h
	$(LTLINK) $(NO_WARN) $(SHELL_COMPILE_OPTS) $(TOP)\mptest\mptest.c \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(SHELL_LINK_OPTS) $(LIBRESOBJS) $(LIBREADLINE) $(LTLIBS) $(TLIBS)

MPTEST1 = mptester mptest.db $(TOP)\mptest\crash01.test --repeat 20
MPTEST2 = mptester mptest.db $(TOP)\mptest\multiwrite01.test --repeat 20

mptest:	mptester.exe
	del /Q mptest.db 2>NUL
	$(MPTEST1) --journalmode DELETE
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
.target_source:	$(SRC) $(TOP)\tool\vdbe-compress.tcl
	-rmdir /Q/S tsrc 2>NUL
	-mkdir tsrc
	for %i in ($(SRC1)) do copy /Y %i tsrc
	for %i in ($(SRC2)) do copy /Y %i tsrc
	for %i in ($(SRC3)) do copy /Y %i tsrc
	for %i in ($(SRC4)) do copy /Y %i tsrc
	for %i in ($(SRC5)) do copy /Y %i tsrc


	del /Q tsrc\sqlite.h.in tsrc\parse.y 2>NUL
	$(TCLSH_CMD) $(TOP)\tool\vdbe-compress.tcl $(OPTS) < tsrc\vdbe.c > vdbe.new
	move vdbe.new tsrc\vdbe.c
	echo > .target_source

sqlite3.c:	.target_source sqlite3ext.h $(TOP)\tool\mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl $(MKSQLITE3C_ARGS)
................................................................................
# Rule to build the Win32 resources object file.
#
!IF $(USE_RC)!=0
$(LIBRESOBJS):	$(TOP)\src\sqlite3.rc $(HDR)
	echo #ifndef SQLITE_RESOURCE_VERSION > sqlite3rc.h
	for /F %%V in ('type "$(TOP)\VERSION"') do ( \
		echo #define SQLITE_RESOURCE_VERSION %%V \
			| $(NAWK) "/.*/ { gsub(/[.]/,\",\");print }" >> sqlite3rc.h \
	)
	echo #endif >> sqlite3rc.h
	$(LTRCOMPILE) -fo $(LIBRESOBJS) $(TOP)\src\sqlite3.rc
!ENDIF

# Rules to build individual *.lo files from files in the src directory.
#
................................................................................
tclsqlite.lo:	$(TOP)\src\tclsqlite.c $(HDR)
	$(LTCOMPILE) $(NO_WARN) -DUSE_TCL_STUBS=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite-shell.lo:	$(TOP)\src\tclsqlite.c $(HDR)
	$(LTCOMPILE) $(NO_WARN) -DTCLSH=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite3.exe:	tclsqlite-shell.lo $(SQLITE3C) $(LIBRESOBJS)
	$(LTLINK) $(SQLITE3C) /link $(LTLINKOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite-shell.lo $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)\mkopcodec.awk
	$(NAWK) -f $(TOP)\mkopcodec.awk opcodes.h > opcodes.c

opcodes.h:	parse.h $(TOP)\src\vdbe.c $(TOP)\mkopcodeh.awk
	type parse.h $(TOP)\src\vdbe.c | $(NAWK) -f $(TOP)\mkopcodeh.awk > opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)\src\parse.y lemon.exe $(TOP)\addopcodes.awk
	del /Q parse.y parse.h parse.h.temp 2>NUL
	copy $(TOP)\src\parse.y .
	.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(OPTS) parse.y
	move parse.h parse.h.temp
	$(NAWK) -f $(TOP)\addopcodes.awk parse.h.temp > parse.h

sqlite3.h:	$(TOP)\src\sqlite.h.in $(TOP)\manifest.uuid $(TOP)\VERSION
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP:\=/) > sqlite3.h

sqlite3ext.h: .target_source
	copy tsrc\sqlite3ext.h .

................................................................................
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC1)
!ENDIF

testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

extensiontest: testfixture.exe testloadext.dll
	.\testfixture.exe $(TOP)\test\loadext.test $(TESTOPTS)

fulltest:	$(TESTPROGS) fuzztest
	.\testfixture.exe $(TOP)\test\all.test $(TESTOPTS)

................................................................................

sqlite3_analyzer.c: $(SQLITE3C) $(TOP)\src\tclsqlite.c $(TOP)\tool\spaceanal.tcl
	echo #define TCLSH 2 > $@
	echo #define SQLITE_ENABLE_DBSTAT_VTAB 1 >> $@
	copy $@ + $(SQLITE3C) + $(TOP)\src\tclsqlite.c $@
	echo static const char *tclsh_main_loop(void){ >> $@
	echo static const char *zMainloop = >> $@
	$(NAWK) -f $(TOP)\tool\tostr.awk $(TOP)\tool\spaceanal.tcl >> $@
	echo ; return zMainloop; } >> $@

sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) $(NO_WARN) -DBUILD_sqlite -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

testloadext.lo:	$(TOP)\src\test_loadext.c
	$(LTCOMPILE) $(NO_WARN) -c $(TOP)\src\test_loadext.c

testloadext.dll: testloadext.lo
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /OUT:$@ testloadext.lo

showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showdb.c $(SQLITE3C)

showstat4.exe:	$(TOP)\tool\showstat4.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showstat4.c $(SQLITE3C)

showjournal.exe:	$(TOP)\tool\showjournal.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showjournal.c $(SQLITE3C)

showwal.exe:	$(TOP)\tool\showwal.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showwal.c $(SQLITE3C)

fts3view.exe:	$(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C)

rollback-test.exe:	$(TOP)\tool\rollback-test.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\rollback-test.c $(SQLITE3C)

LogEst.exe:	$(TOP)\tool\logest.c sqlite3.h
	$(LTLINK) $(NO_WARN) -Fe$@ $(TOP)\tool\LogEst.c

wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\wordcount.c $(SQLITE3C)

speedtest1.exe:	$(TOP)\test\speedtest1.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\speedtest1.c $(SQLITE3C)

clean:
	del /Q *.exp *.lo *.ilk *.lib *.obj *.ncb *.pdb *.sdf *.suo 2>NUL
	del /Q *.bsc *.cod *.da *.bb *.bbg gmon.out 2>NUL
	del /Q sqlite3.h opcodes.c opcodes.h 2>NUL
	del /Q lemon.* lempar.c parse.* 2>NUL
	del /Q mkkeywordhash.* keywordhash.h 2>NUL
................................................................................
# Dynamic link library section.
#
dll: sqlite3.dll

sqlite3.def: libsqlite3.lib
	echo EXPORTS > sqlite3.def
	dumpbin /all libsqlite3.lib \
		| $(NAWK) "/ 1 _?sqlite3_/ { sub(/^.* _?/,\"\");print }" \
		| sort >> sqlite3.def

sqlite3.dll: $(LIBOBJ) $(LIBRESOBJS) $(CORE_LINK_DEP)
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL $(CORE_LINK_OPTS) /OUT:$@ $(LIBOBJ) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)







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!ENDIF
!ENDIF

# These are additional compiler options used for the shell executable.
#
!IFNDEF SHELL_COMPILE_OPTS
!IF $(DYNAMIC_SHELL)!=0
SHELL_COMPILE_OPTS = -DSQLITE_SHELL_JSON1 $(SHELL_CCONV_OPTS) -DSQLITE_API=__declspec(dllimport)
!ELSE
SHELL_COMPILE_OPTS = -DSQLITE_SHELL_JSON1 $(SHELL_CCONV_OPTS)
!ENDIF
!ENDIF

# This is the core library that the shell executable should depend on.
#
!IFNDEF SHELL_CORE_DEP
!IF $(DYNAMIC_SHELL)!=0
................................................................................
!IFNDEF TCLLIBDIR
TCLLIBDIR = c:\tcl\lib
!ENDIF

!IFNDEF LIBTCL
LIBTCL = tcl85.lib
!ENDIF

!IFNDEF LIBTCLSTUB
LIBTCLSTUB = tclstub85.lib
!ENDIF

# The locations of the ICU header and library files.  These variables
# (ICUINCDIR, ICULIBDIR, and LIBICU) may be overridden via the environment
# prior to running nmake in order to match the actual installed location on
# this machine.
#
!IFNDEF ICUINCDIR
................................................................................
# If ICU support is enabled, add the linker options for it.
#
!IF $(USE_ICU)!=0
LTLIBPATHS = $(LTLIBPATHS) /LIBPATH:$(ICULIBDIR)
LTLIBS = $(LTLIBS) $(LIBICU)
!ENDIF







# You should not have to change anything below this line
###############################################################################

# Object files for the SQLite library (non-amalgamation).
#
LIBOBJS0 = vdbe.lo parse.lo alter.lo analyze.lo attach.lo auth.lo \
         backup.lo bitvec.lo btmutex.lo btree.lo build.lo \
................................................................................
  $(TOP)\ext\fts3\fts3_unicode2.c \
  $(TOP)\ext\fts3\fts3_write.c \
  $(TOP)\ext\icu\sqliteicu.h \
  $(TOP)\ext\icu\icu.c \
  $(TOP)\ext\rtree\rtree.h \
  $(TOP)\ext\rtree\rtree.c \
  $(TOP)\ext\rbu\sqlite3rbu.h \
  $(TOP)\ext\rbu\sqlite3rbu.c \
  $(TOP)\ext\misc\json1.c


# Generated source code files
#
SRC5 = \
  keywordhash.h \
  opcodes.c \
................................................................................
#
FUZZDATA = \
  $(TOP)\test\fuzzdata1.db \
  $(TOP)\test\fuzzdata2.db \
  $(TOP)\test\fuzzdata3.db \
  $(TOP)\test\fuzzdata4.db

# Extra compiler options for various shell tools
#
SHELL_COMPILE_OPTS = -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
FUZZERSHELL_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1
FUZZCHECK_COMPILE_OPTS = -DSQLITE_ENABLE_JSON1

# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt

# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
................................................................................
#
all:	dll libsqlite3.lib sqlite3.exe libtclsqlite3.lib

libsqlite3.lib:	$(LIBOBJ)
	$(LTLIB) $(LTLIBOPTS) /OUT:$@ $(LIBOBJ) $(TLIBS)

libtclsqlite3.lib:	tclsqlite.lo libsqlite3.lib
	$(LTLIB) $(LTLIBOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite.lo libsqlite3.lib $(LIBTCLSTUB) $(TLIBS)

sqlite3.exe:	$(TOP)\src\shell.c $(SHELL_CORE_DEP) $(LIBRESOBJS) sqlite3.h
	$(LTLINK) $(SHELL_COMPILE_OPTS) $(SHELL_COMPILE_OPTS) $(READLINE_FLAGS) $(TOP)\src\shell.c \
		/link /pdb:sqlite3sh.pdb $(LDFLAGS) $(LTLINKOPTS) $(SHELL_LINK_OPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LIBREADLINE) $(LTLIBS) $(TLIBS)

sqldiff.exe:	$(TOP)\tool\sqldiff.c sqlite3.c sqlite3.h
	$(LTLINK) $(NO_WARN) $(TOP)\tool\sqldiff.c sqlite3.c /link $(LDFLAGS) $(LTLINKOPTS)

fuzzershell.exe:	$(TOP)\tool\fuzzershell.c sqlite3.c sqlite3.h
	$(LTLINK) $(NO_WARN) $(FUZZERSHELL_COMPILE_OPTS) \
	  $(TOP)\tool\fuzzershell.c sqlite3.c /link $(LDFLAGS) $(LTLINKOPTS)

fuzzcheck.exe:	$(TOP)\test\fuzzcheck.c sqlite3.c sqlite3.h
	$(LTLINK) $(NO_WARN) $(FUZZCHECK_COMPILE_OPTS) $(TOP)\test\fuzzcheck.c sqlite3.c /link $(LDFLAGS) $(LTLINKOPTS)

mptester.exe:	$(TOP)\mptest\mptest.c $(SHELL_CORE_DEP) $(LIBRESOBJS) sqlite3.h
	$(LTLINK) $(NO_WARN) $(SHELL_COMPILE_OPTS) $(TOP)\mptest\mptest.c \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(SHELL_LINK_OPTS) $(LIBRESOBJS) $(LIBREADLINE) $(LTLIBS) $(TLIBS)

MPTEST1 = mptester mptest.db $(TOP)\mptest\crash01.test --repeat 20
MPTEST2 = mptester mptest.db $(TOP)\mptest\multiwrite01.test --repeat 20

mptest:	mptester.exe
	del /Q mptest.db 2>NUL
	$(MPTEST1) --journalmode DELETE
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
.target_source:	$(SRC) $(TOP)\tool\vdbe-compress.tcl fts5.c
	-rmdir /Q/S tsrc 2>NUL
	-mkdir tsrc
	for %i in ($(SRC1)) do copy /Y %i tsrc
	for %i in ($(SRC2)) do copy /Y %i tsrc
	for %i in ($(SRC3)) do copy /Y %i tsrc
	for %i in ($(SRC4)) do copy /Y %i tsrc
	for %i in ($(SRC5)) do copy /Y %i tsrc
	copy /Y fts5.c tsrc
	copy /Y fts5.h tsrc
	del /Q tsrc\sqlite.h.in tsrc\parse.y 2>NUL
	$(TCLSH_CMD) $(TOP)\tool\vdbe-compress.tcl $(OPTS) < tsrc\vdbe.c > vdbe.new
	move vdbe.new tsrc\vdbe.c
	echo > .target_source

sqlite3.c:	.target_source sqlite3ext.h $(TOP)\tool\mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl $(MKSQLITE3C_ARGS)
................................................................................
# Rule to build the Win32 resources object file.
#
!IF $(USE_RC)!=0
$(LIBRESOBJS):	$(TOP)\src\sqlite3.rc $(HDR)
	echo #ifndef SQLITE_RESOURCE_VERSION > sqlite3rc.h
	for /F %%V in ('type "$(TOP)\VERSION"') do ( \
		echo #define SQLITE_RESOURCE_VERSION %%V \
			| $(TCLSH_CMD) $(TOP)\tool\replace.tcl exact . ^, >> sqlite3rc.h \
	)
	echo #endif >> sqlite3rc.h
	$(LTRCOMPILE) -fo $(LIBRESOBJS) $(TOP)\src\sqlite3.rc
!ENDIF

# Rules to build individual *.lo files from files in the src directory.
#
................................................................................
tclsqlite.lo:	$(TOP)\src\tclsqlite.c $(HDR)
	$(LTCOMPILE) $(NO_WARN) -DUSE_TCL_STUBS=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite-shell.lo:	$(TOP)\src\tclsqlite.c $(HDR)
	$(LTCOMPILE) $(NO_WARN) -DTCLSH=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c

tclsqlite3.exe:	tclsqlite-shell.lo $(SQLITE3C) $(LIBRESOBJS)
	$(LTLINK) $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite-shell.lo $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)\tool\mkopcodec.tcl
	$(TCLSH_CMD) $(TOP)\tool\mkopcodec.tcl opcodes.h > opcodes.c

opcodes.h:	parse.h $(TOP)\src\vdbe.c $(TOP)\tool\mkopcodeh.tcl
	type parse.h $(TOP)\src\vdbe.c | $(TCLSH_CMD) $(TOP)\tool\mkopcodeh.tcl > opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)\src\parse.y lemon.exe $(TOP)\tool\addopcodes.tcl
	del /Q parse.y parse.h parse.h.temp 2>NUL
	copy $(TOP)\src\parse.y .
	.\lemon.exe $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(OPTS) parse.y
	move parse.h parse.h.temp
	$(TCLSH_CMD) $(TOP)\tool\addopcodes.tcl parse.h.temp > parse.h

sqlite3.h:	$(TOP)\src\sqlite.h.in $(TOP)\manifest.uuid $(TOP)\VERSION
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP:\=/) > sqlite3.h

sqlite3ext.h: .target_source
	copy tsrc\sqlite3ext.h .

................................................................................
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC1)
!ENDIF

testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

extensiontest: testfixture.exe testloadext.dll
	.\testfixture.exe $(TOP)\test\loadext.test $(TESTOPTS)

fulltest:	$(TESTPROGS) fuzztest
	.\testfixture.exe $(TOP)\test\all.test $(TESTOPTS)

................................................................................

sqlite3_analyzer.c: $(SQLITE3C) $(TOP)\src\tclsqlite.c $(TOP)\tool\spaceanal.tcl
	echo #define TCLSH 2 > $@
	echo #define SQLITE_ENABLE_DBSTAT_VTAB 1 >> $@
	copy $@ + $(SQLITE3C) + $(TOP)\src\tclsqlite.c $@
	echo static const char *tclsh_main_loop(void){ >> $@
	echo static const char *zMainloop = >> $@
	$(TCLSH_CMD) $(TOP)\tool\tostr.tcl $(TOP)\tool\spaceanal.tcl >> $@
	echo ; return zMainloop; } >> $@

sqlite3_analyzer.exe:	sqlite3_analyzer.c $(LIBRESOBJS)
	$(LTLINK) $(NO_WARN) -DBUILD_sqlite -I$(TCLINCDIR) sqlite3_analyzer.c \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

testloadext.lo:	$(TOP)\src\test_loadext.c
	$(LTCOMPILE) $(NO_WARN) -c $(TOP)\src\test_loadext.c

testloadext.dll: testloadext.lo
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /OUT:$@ testloadext.lo

showdb.exe:	$(TOP)\tool\showdb.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showdb.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

showstat4.exe:	$(TOP)\tool\showstat4.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showstat4.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

showjournal.exe:	$(TOP)\tool\showjournal.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showjournal.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

showwal.exe:	$(TOP)\tool\showwal.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\showwal.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

fts3view.exe:	$(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\ext\fts3\tool\fts3view.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

rollback-test.exe:	$(TOP)\tool\rollback-test.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\tool\rollback-test.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

LogEst.exe:	$(TOP)\tool\logest.c sqlite3.h
	$(LTLINK) $(NO_WARN) -Fe$@ $(TOP)\tool\LogEst.c /link $(LDFLAGS) $(LTLINKOPTS)

wordcount.exe:	$(TOP)\test\wordcount.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\wordcount.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

speedtest1.exe:	$(TOP)\test\speedtest1.c $(SQLITE3C)
	$(LTLINK) $(NO_WARN) -DSQLITE_OMIT_LOAD_EXTENSION -Fe$@ \
		$(TOP)\test\speedtest1.c $(SQLITE3C) /link $(LDFLAGS) $(LTLINKOPTS)

clean:
	del /Q *.exp *.lo *.ilk *.lib *.obj *.ncb *.pdb *.sdf *.suo 2>NUL
	del /Q *.bsc *.cod *.da *.bb *.bbg gmon.out 2>NUL
	del /Q sqlite3.h opcodes.c opcodes.h 2>NUL
	del /Q lemon.* lempar.c parse.* 2>NUL
	del /Q mkkeywordhash.* keywordhash.h 2>NUL
................................................................................
# Dynamic link library section.
#
dll: sqlite3.dll

sqlite3.def: libsqlite3.lib
	echo EXPORTS > sqlite3.def
	dumpbin /all libsqlite3.lib \
		| $(TCLSH_CMD) $(TOP)\tool\replace.tcl include "^\s+1 _?(sqlite3_.*)$$" \1 \
		| sort >> sqlite3.def

sqlite3.dll: $(LIBOBJ) $(LIBRESOBJS) $(CORE_LINK_DEP)
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL $(CORE_LINK_OPTS) /OUT:$@ $(LIBOBJ) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

Deleted Makefile.vxworks.

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#!/usr/make
#
# Makefile for SQLITE on VxWorks

ifeq ($(FORCPU),)
  FORCPU = SH32gnule
endif

TOOL_FAMILY = gnu

include $(WIND_USR)/tool/gnu/make.$(FORCPU)

#### The toplevel directory of the source tree.  This is the directory
#    that contains this "Makefile.in" and the "configure.in" script.
#
TOP = .

#### C Compiler and options for use in building executables that
#    will run on the platform that is doing the build.
#
BCC = gcc -g -O2
#BCC = /opt/ancic/bin/c89 -0

#### If the target operating system supports the "usleep()" system
#    call, then define the HAVE_USLEEP macro for all C modules.
#
USLEEP = 
#USLEEP = -DHAVE_USLEEP=1

#### If you want the SQLite library to be safe for use within a 
#    multi-threaded program, then define the following macro
#    appropriately:
#
THREADSAFE = -DSQLITE_THREADSAFE=1
#THREADSAFE = -DSQLITE_THREADSAFE=0

#### Specify any extra linker options needed to make the library
#    thread safe
#
#THREADLIB = -lpthread
THREADLIB = 

#### Specify any extra libraries needed to access required functions.
#
ifeq ($(CPU),SH32) 
  # for SH4 shared library
  TLIBS_SHARED += -L$(WIND_USR)/lib/sh/SH32/commonle/PIC
else 
  # for all other CPUs shared library
  TLIBS_SHARED += $(LD_LINK_PATH_ATEND) $(LD_PARTIAL_LAST_FLAGS)
endif
# for static library
TLIBS += $(LD_LINK_PATH_ATEND) $(LD_PARTIAL_LAST_FLAGS)

#### Leave SQLITE_DEBUG undefined for maximum speed.  Use SQLITE_DEBUG=1
#    to check for memory leaks.  Use SQLITE_DEBUG=2 to print a log of all
#    malloc()s and free()s in order to track down memory leaks.
#    
#    SQLite uses some expensive assert() statements in the inner loop.
#    You can make the library go almost twice as fast if you compile
#    with -DNDEBUG=1
#
#OPTS = -DSQLITE_DEBUG=2
#OPTS = -DSQLITE_DEBUG=1
#OPTS = 
OPTS = -DNDEBUG=1 -DSQLITE_OS_UNIX=1 $(THREADSAFE)
OPTS += -DSQLITE_OMIT_LOAD_EXTENSION=1
OPTS += -DSQLITE_ENABLE_LOCKING_STYLE=1
OPTS += -DSQLITE_THREAD_OVERRIDE_LOCK=0
OPTS += -DSQLITE_ENABLE_COLUMN_METADATA=1
OPTS += -DHAVE_FDATASYNC=1

#### The suffix to add to executable files.  ".exe" for windows.
#    Nothing for unix.
#
EXE = .vxe
#EXE =

#### C Compile and options for use in building executables that 
#    will run on the target platform.  This is usually the same
#    as BCC, unless you are cross-compiling.
#
#TCC = gcc -O6
#TCC = gcc -g -O0 -Wall
#TCC = gcc -g -O0 -Wall -fprofile-arcs -ftest-coverage
#TCC = /opt/mingw/bin/i386-mingw32-gcc -O6
TCC = $(CC) $(DEFINE_CC) -O2 -g -mrtp $(CC_ARCH_SPEC) -D_REENTRANT=1 -D_VX_CPU=_VX_$(CPU) -D_VX_TOOL_FAMILY=$(TOOL_FAMILY) -D_VX_TOOL=$(TOOL)
TCC += -I$(WIND_USR)/h -I$(WIND_USR)/h/wrn/coreip
#TCC = /opt/ansic/bin/c89 -O +z -Wl,-a,archive

#TCC_SHARED = $(TCC) -fPIC
TCC_SHARED = $(TCC)

#### Tools used to build a static library.
#
#ARX = ar cr
#ARX = /opt/mingw/bin/i386-mingw32-ar cr
AR += cr
#RANLIB = ranlib
#RANLIB = /opt/mingw/bin/i386-mingw32-ranlib

#MKSHLIB = gcc -shared
#SO = so
#SHPREFIX = lib
MKSHLIB = $(CC) $(DEFINE_CC) -mrtp -shared $(CC_ARCH_SPEC) -D_VX_CPU=_VX_$(CPU) -D_VX_TOOL_FAMILY=$(TOOL_FAMILY) -D_VX_TOOL=$(TOOL)
SO = so
SHPREFIX = lib

#### Extra compiler options needed for programs that use the TCL library.
#
#TCL_FLAGS =
#TCL_FLAGS = -DSTATIC_BUILD=1
TCL_FLAGS = -I/home/drh/tcltk/8.5linux
#TCL_FLAGS = -I/home/drh/tcltk/8.5win -DSTATIC_BUILD=1
#TCL_FLAGS = -I/home/drh/tcltk/8.3hpux

#### Linker options needed to link against the TCL library.
#
#LIBTCL = -ltcl -lm -ldl
LIBTCL = /home/drh/tcltk/8.5linux/libtcl8.5g.a -lm -ldl
#LIBTCL = /home/drh/tcltk/8.5win/libtcl85s.a -lmsvcrt
#LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc

#### Additional objects for SQLite library when TCL support is enabled.
TCLOBJ =
#TCLOBJ = tclsqlite.o

#### Compiler options needed for programs that use the readline() library.
#
READLINE_FLAGS =
#READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline

#### Linker options needed by programs using readline() must link against.
#
LIBREADLINE =
#LIBREADLINE = -static -lreadline -ltermcap

#### Which "awk" program provides nawk compatibilty
#
# NAWK = nawk
NAWK = awk


#### Pasted and adapted main.mk file
###############################################################################
# The following macros should be defined before this script is
# invoked:
#
# TOP              The toplevel directory of the source tree.  This is the
#                  directory that contains this "Makefile.in" and the
#                  "configure.in" script.
#
# BCC              C Compiler and options for use in building executables that
#                  will run on the platform that is doing the build.
#
# THREADLIB        Specify any extra linker options needed to make the library
#                  thread safe
#
# OPTS             Extra compiler command-line options.
#
# EXE              The suffix to add to executable files.  ".exe" for windows
#                  and "" for Unix.
#
# TCC              C Compiler and options for use in building executables that 
#                  will run on the target platform.  This is usually the same
#                  as BCC, unless you are cross-compiling.
#
# AR               Tools used to build a static library.
# RANLIB
#
# TCL_FLAGS        Extra compiler options needed for programs that use the
#                  TCL library.
#
# LIBTCL           Linker options needed to link against the TCL library.
#
# READLINE_FLAGS   Compiler options needed for programs that use the
#                  readline() library.
#
# LIBREADLINE      Linker options needed by programs using readline() must
#                  link against.
#
# NAWK             Nawk compatible awk program.  Older (obsolete?) solaris
#                  systems need this to avoid using the original AT&T AWK.
#
# Once the macros above are defined, the rest of this make script will
# build the SQLite library and testing tools.
################################################################################

# This is how we compile
#
TCCX = $(TCC) $(OPTS) -I. -I$(TOP)/src -I$(TOP)
TCCX_SHARED = $(TCC_SHARED) $(OPTS) -I. -I$(TOP)/src -I$(TOP) \
	-I$(TOP)/ext/rtree -I$(TOP)/ext/icu -I$(TOP)/ext/fts3 \
	-I$(TOP)/ext/async

# Object files for the SQLite library.
#
LIBOBJ+= alter.o analyze.o attach.o auth.o \
         backup.o bitvec.o btmutex.o btree.o build.o \
         callback.o complete.o date.o delete.o expr.o fault.o \
         fts3.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
         fts3_tokenizer.o fts3_tokenizer1.o \
         func.o global.o hash.o \
         icu.o insert.o journal.o legacy.o loadext.o \
         main.o malloc.o mem0.o mem1.o mem2.o mem3.o mem5.o \
         memjournal.o \
         mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
         notify.o opcodes.o os.o os_unix.o os_win.o \
         pager.o parse.o pcache.o pcache1.o pragma.o prepare.o printf.o \
         random.o resolve.o rowset.o rtree.o select.o status.o \
         table.o tokenize.o trigger.o \
         update.o util.o vacuum.o \
         vdbe.o vdbeapi.o vdbeaux.o vdbeblob.o vdbemem.o \
         walker.o where.o utf.o vtab.o



# All of the source code files.
#
SRC = \
  $(TOP)/src/alter.c \
  $(TOP)/src/analyze.c \
  $(TOP)/src/attach.c \
  $(TOP)/src/auth.c \
  $(TOP)/src/backup.c \
  $(TOP)/src/bitvec.c \
  $(TOP)/src/btmutex.c \
  $(TOP)/src/btree.c \
  $(TOP)/src/btree.h \
  $(TOP)/src/btreeInt.h \
  $(TOP)/src/build.c \
  $(TOP)/src/callback.c \
  $(TOP)/src/complete.c \
  $(TOP)/src/ctime.c \
  $(TOP)/src/date.c \
  $(TOP)/src/delete.c \
  $(TOP)/src/expr.c \
  $(TOP)/src/fault.c \
  $(TOP)/src/func.c \
  $(TOP)/src/global.c \
  $(TOP)/src/hash.c \
  $(TOP)/src/hash.h \
  $(TOP)/src/hwtime.h \
  $(TOP)/src/insert.c \
  $(TOP)/src/journal.c \
  $(TOP)/src/legacy.c \
  $(TOP)/src/loadext.c \
  $(TOP)/src/main.c \
  $(TOP)/src/malloc.c \
  $(TOP)/src/mem0.c \
  $(TOP)/src/mem1.c \
  $(TOP)/src/mem2.c \
  $(TOP)/src/mem3.c \
  $(TOP)/src/mem5.c \
  $(TOP)/src/memjournal.c \
  $(TOP)/src/msvc.h \
  $(TOP)/src/mutex.c \
  $(TOP)/src/mutex.h \
  $(TOP)/src/mutex_noop.c \
  $(TOP)/src/mutex_unix.c \
  $(TOP)/src/mutex_w32.c \
  $(TOP)/src/notify.c \
  $(TOP)/src/os.c \
  $(TOP)/src/os.h \
  $(TOP)/src/os_common.h \
  $(TOP)/src/os_setup.h \
  $(TOP)/src/os_unix.c \
  $(TOP)/src/os_win.c \
  $(TOP)/src/os_win.h \
  $(TOP)/src/pager.c \
  $(TOP)/src/pager.h \
  $(TOP)/src/parse.y \
  $(TOP)/src/pcache.c \
  $(TOP)/src/pcache.h \
  $(TOP)/src/pcache1.c \
  $(TOP)/src/pragma.c \
  $(TOP)/src/prepare.c \
  $(TOP)/src/printf.c \
  $(TOP)/src/random.c \
  $(TOP)/src/resolve.c \
  $(TOP)/src/rowset.c \
  $(TOP)/src/select.c \
  $(TOP)/src/status.c \
  $(TOP)/src/shell.c \
  $(TOP)/src/sqlite.h.in \
  $(TOP)/src/sqlite3ext.h \
  $(TOP)/src/sqliteInt.h \
  $(TOP)/src/sqliteLimit.h \
  $(TOP)/src/table.c \
  $(TOP)/src/tclsqlite.c \
  $(TOP)/src/tokenize.c \
  $(TOP)/src/trigger.c \
  $(TOP)/src/utf.c \
  $(TOP)/src/update.c \
  $(TOP)/src/util.c \
  $(TOP)/src/vacuum.c \
  $(TOP)/src/vdbe.c \
  $(TOP)/src/vdbe.h \
  $(TOP)/src/vdbeapi.c \
  $(TOP)/src/vdbeaux.c \
  $(TOP)/src/vdbeblob.c \
  $(TOP)/src/vdbemem.c \
  $(TOP)/src/vdbeInt.h \
  $(TOP)/src/vtab.c \
  $(TOP)/src/walker.c \
  $(TOP)/src/where.c

# Source code for extensions
#
SRC += \
  $(TOP)/ext/fts1/fts1.c \
  $(TOP)/ext/fts1/fts1.h \
  $(TOP)/ext/fts1/fts1_hash.c \
  $(TOP)/ext/fts1/fts1_hash.h \
  $(TOP)/ext/fts1/fts1_porter.c \
  $(TOP)/ext/fts1/fts1_tokenizer.h \
  $(TOP)/ext/fts1/fts1_tokenizer1.c
SRC += \
  $(TOP)/ext/fts2/fts2.c \
  $(TOP)/ext/fts2/fts2.h \
  $(TOP)/ext/fts2/fts2_hash.c \
  $(TOP)/ext/fts2/fts2_hash.h \
  $(TOP)/ext/fts2/fts2_icu.c \
  $(TOP)/ext/fts2/fts2_porter.c \
  $(TOP)/ext/fts2/fts2_tokenizer.h \
  $(TOP)/ext/fts2/fts2_tokenizer.c \
  $(TOP)/ext/fts2/fts2_tokenizer1.c
SRC += \
  $(TOP)/ext/fts3/fts3.c \
  $(TOP)/ext/fts3/fts3.h \
  $(TOP)/ext/fts3/fts3_expr.c \
  $(TOP)/ext/fts3/fts3_expr.h \
  $(TOP)/ext/fts3/fts3_hash.c \
  $(TOP)/ext/fts3/fts3_hash.h \
  $(TOP)/ext/fts3/fts3_icu.c \
  $(TOP)/ext/fts3/fts3_porter.c \
  $(TOP)/ext/fts3/fts3_tokenizer.h \
  $(TOP)/ext/fts3/fts3_tokenizer.c \
  $(TOP)/ext/fts3/fts3_tokenizer1.c
SRC += \
  $(TOP)/ext/icu/sqliteicu.h \
  $(TOP)/ext/icu/icu.c 
SRC += \
  $(TOP)/ext/rtree/rtree.h \
  $(TOP)/ext/rtree/rtree.c


# Generated source code files
#
SRC += \
  keywordhash.h \
  opcodes.c \
  opcodes.h \
  parse.c \
  parse.h \
  sqlite3.h


# Source code to the test files.
#
TESTSRC = \
  $(TOP)/src/test1.c \
  $(TOP)/src/test2.c \
  $(TOP)/src/test3.c \
  $(TOP)/src/test4.c \
  $(TOP)/src/test5.c \
  $(TOP)/src/test6.c \
  $(TOP)/src/test7.c \
  $(TOP)/src/test8.c \
  $(TOP)/src/test9.c \
  $(TOP)/src/test_autoext.c \
  $(TOP)/src/test_async.c \
  $(TOP)/src/test_backup.c \
  $(TOP)/src/test_btree.c \
  $(TOP)/src/test_config.c \
  $(TOP)/src/test_devsym.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \
  $(TOP)/src/test_md5.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_wsd.c \

#TESTSRC += $(TOP)/ext/fts2/fts2_tokenizer.c
#TESTSRC += $(TOP)/ext/fts3/fts3_tokenizer.c

TESTSRC2 = \
  $(TOP)/src/attach.c $(TOP)/src/backup.c $(TOP)/src/btree.c                   \
  $(TOP)/src/build.c $(TOP)/src/ctime.c $(TOP)/src/date.c                      \
  $(TOP)/src/expr.c $(TOP)/src/func.c $(TOP)/src/insert.c $(TOP)/src/os.c      \
  $(TOP)/src/os_unix.c $(TOP)/src/os_win.c                 \
  $(TOP)/src/pager.c $(TOP)/src/pragma.c $(TOP)/src/prepare.c                  \
  $(TOP)/src/printf.c $(TOP)/src/random.c $(TOP)/src/pcache.c                  \
  $(TOP)/src/pcache1.c $(TOP)/src/select.c $(TOP)/src/tokenize.c               \
  $(TOP)/src/utf.c $(TOP)/src/util.c $(TOP)/src/vdbeapi.c $(TOP)/src/vdbeaux.c \
  $(TOP)/src/vdbe.c $(TOP)/src/vdbemem.c $(TOP)/src/where.c parse.c            \
  $(TOP)/ext/fts3/fts3.c $(TOP)/ext/fts3/fts3_expr.c                           \
  $(TOP)/ext/fts3/fts3_tokenizer.c                                             \
  $(TOP)/ext/async/sqlite3async.c

# Header files used by all library source files.
#
HDR = \
   $(TOP)/src/btree.h \
   $(TOP)/src/btreeInt.h \
   $(TOP)/src/hash.h \
   $(TOP)/src/hwtime.h \
   keywordhash.h \
   $(TOP)/src/msvc.h \
   $(TOP)/src/mutex.h \
   opcodes.h \
   $(TOP)/src/os.h \
   $(TOP)/src/os_common.h \
   $(TOP)/src/os_setup.h \
   $(TOP)/src/os_win.h \
   $(TOP)/src/pager.h \
   $(TOP)/src/pcache.h \
   parse.h  \
   sqlite3.h  \
   $(TOP)/src/sqlite3ext.h \
   $(TOP)/src/sqliteInt.h  \
   $(TOP)/src/sqliteLimit.h \
   $(TOP)/src/vdbe.h \
   $(TOP)/src/vdbeInt.h

# Header files used by extensions
#
EXTHDR += \
  $(TOP)/ext/fts1/fts1.h \
  $(TOP)/ext/fts1/fts1_hash.h \
  $(TOP)/ext/fts1/fts1_tokenizer.h
EXTHDR += \
  $(TOP)/ext/fts2/fts2.h \
  $(TOP)/ext/fts2/fts2_hash.h \
  $(TOP)/ext/fts2/fts2_tokenizer.h
EXTHDR += \
  $(TOP)/ext/fts3/fts3.h \
  $(TOP)/ext/fts3/fts3_expr.h \
  $(TOP)/ext/fts3/fts3_hash.h \
  $(TOP)/ext/fts3/fts3_tokenizer.h
EXTHDR += \
  $(TOP)/ext/rtree/rtree.h
EXTHDR += \
  $(TOP)/ext/icu/sqliteicu.h

# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	sqlite3.h libsqlite3.a sqlite3$(EXE)

libsqlite3.a:	$(LIBOBJ)
	$(AR) libsqlite3.a $(LIBOBJ)
	$(RANLIB) libsqlite3.a

$(SHPREFIX)sqlite3.$(SO):	$(LIBOBJ)
	$(MKSHLIB) -o $(SHPREFIX)sqlite3.$(SO) $(LIBOBJ) $(TLIBS_SHARED)

sqlite3$(EXE):	$(TOP)/src/shell.c libsqlite3.a sqlite3.h
	$(TCCX) $(READLINE_FLAGS) -o sqlite3$(EXE)      \
		$(TOP)/src/shell.c                      \
		$(LIBREADLINE) $(TLIBS) $(THREADLIB) -L. -lsqlite3

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
target_source:	$(SRC)
	rm -rf tsrc
	mkdir tsrc
	cp -f $(SRC) tsrc
	rm tsrc/sqlite.h.in tsrc/parse.y
	touch target_source

sqlite3.c:	target_source $(TOP)/tool/mksqlite3c.tcl
	tclsh $(TOP)/tool/mksqlite3c.tcl
	cp sqlite3.c tclsqlite3.c
	cat $(TOP)/src/tclsqlite.c >>tclsqlite3.c

fts2amal.c:	target_source $(TOP)/ext/fts2/mkfts2amal.tcl
	tclsh $(TOP)/ext/fts2/mkfts2amal.tcl

fts3amal.c:	target_source $(TOP)/ext/fts3/mkfts3amal.tcl
	tclsh $(TOP)/ext/fts3/mkfts3amal.tcl

# Rules to build the LEMON compiler generator
#
lemon:	$(TOP)/tool/lemon.c $(TOP)/src/lempar.c
	$(BCC) -o lemon $(TOP)/tool/lemon.c
	cp $(TOP)/src/lempar.c .

# Rules to build individual *.o files from generated *.c files. This
# applies to:
#
#     parse.o
#     opcodes.o
#
%.o: %.c $(HDR)
	$(TCCX_SHARED) -c $<

# Rules to build individual *.o files from files in the src directory.
#
%.o: $(TOP)/src/%.c $(HDR)
	$(TCCX_SHARED) -c $<

tclsqlite.o:	$(TOP)/src/tclsqlite.c $(HDR)
	$(TCCX_SHARED) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c



# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)/mkopcodec.awk
	$(NAWK) -f $(TOP)/mkopcodec.awk opcodes.h >opcodes.c

opcodes.h:	parse.h $(TOP)/src/vdbe.c $(TOP)/mkopcodeh.awk
	cat parse.h $(TOP)/src/vdbe.c | \
		$(NAWK) -f $(TOP)/mkopcodeh.awk >opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)/src/parse.y lemon $(TOP)/addopcodes.awk
	cp $(TOP)/src/parse.y .
	rm -f parse.h
	./lemon $(OPTS) parse.y
	mv parse.h parse.h.temp
	awk -f $(TOP)/addopcodes.awk parse.h.temp >parse.h

sqlite3.h:	$(TOP)/src/sqlite.h.in 
	sed -e s/--VERS--/`cat ${TOP}/VERSION`/ \
	    -e s/--VERSION-NUMBER--/`cat ${TOP}/VERSION | sed 's/[^0-9]/ /g' | $(NAWK) '{printf "%d%03d%03d",$$1,$$2,$$3}'`/ \
                 $(TOP)/src/sqlite.h.in >sqlite3.h

keywordhash.h:	$(TOP)/tool/mkkeywordhash.c
	$(BCC) -o mkkeywordhash $(OPTS) $(TOP)/tool/mkkeywordhash.c
	./mkkeywordhash >keywordhash.h



# Rules to build the extension objects.
#
icu.o:	$(TOP)/ext/icu/icu.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/icu/icu.c

fts2.o:	$(TOP)/ext/fts2/fts2.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2.c

fts2_hash.o:	$(TOP)/ext/fts2/fts2_hash.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2_hash.c

fts2_icu.o:	$(TOP)/ext/fts2/fts2_icu.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2_icu.c

fts2_porter.o:	$(TOP)/ext/fts2/fts2_porter.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2_porter.c

fts2_tokenizer.o:	$(TOP)/ext/fts2/fts2_tokenizer.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2_tokenizer.c

fts2_tokenizer1.o:	$(TOP)/ext/fts2/fts2_tokenizer1.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts2/fts2_tokenizer1.c

fts3.o:	$(TOP)/ext/fts3/fts3.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3.c

fts3_expr.o:	$(TOP)/ext/fts3/fts3_expr.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_expr.c

fts3_hash.o:	$(TOP)/ext/fts3/fts3_hash.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_hash.c

fts3_icu.o:	$(TOP)/ext/fts3/fts3_icu.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_icu.c

fts3_porter.o:	$(TOP)/ext/fts3/fts3_porter.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_porter.c

fts3_tokenizer.o:	$(TOP)/ext/fts3/fts3_tokenizer.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_tokenizer.c

fts3_tokenizer1.o:	$(TOP)/ext/fts3/fts3_tokenizer1.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_tokenizer1.c

rtree.o:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
	$(TCCX_SHARED) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c


# Rules for building test programs and for running tests
#
tclsqlite3:	$(TOP)/src/tclsqlite.c libsqlite3.a
	$(TCCX_SHARED) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite3 \
		$(TOP)/src/tclsqlite.c libsqlite3.a $(LIBTCL) $(THREADLIB)


# Rules to build the 'testfixture' application.
#
TESTFIXTURE_FLAGS  = -DTCLSH=1 -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 

testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB) libsqlite3.a

amalgamation-testfixture$(EXE): sqlite3.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                  \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fts3-testfixture$(EXE): sqlite3.c fts3amal.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) $(TESTFIXTURE_FLAGS)                            \
	-DSQLITE_ENABLE_FTS3=1                                               \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts3amal.c       \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fulltest:	testfixture$(EXE) sqlite3$(EXE)
	./testfixture$(EXE) $(TOP)/test/all.test

soaktest:	testfixture$(EXE) sqlite3$(EXE)
	./testfixture$(EXE) $(TOP)/test/all.test -soak=1

fulltestonly:	testfixture$(EXE) sqlite3$(EXE)
	./testfixture$(EXE) $(TOP)/test/full.test

test:	testfixture$(EXE) sqlite3$(EXE)
	./testfixture$(EXE) $(TOP)/test/veryquick.test

sqlite3_analyzer$(EXE):	$(TOP)/src/tclsqlite.c sqlite3.c $(TESTSRC) \
			$(TOP)/tool/spaceanal.tcl
	sed \
	  -e '/^#/d' \
	  -e 's,\\,\\\\,g' \
	  -e 's,",\\",g' \
	  -e 's,^,",' \
	  -e 's,$$,\\n",' \
	  $(TOP)/tool/spaceanal.tcl >spaceanal_tcl.h
	$(TCCX) $(TCL_FLAGS)                  $(TESTFIXTURE_FLAGS)                                 \
		-DTCLSH=2 -DSQLITE_TEST=1 -DSQLITE_DEBUG=1 -DSQLITE_PRIVATE="" \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                    \
		-o sqlite3_analyzer$(EXE)                                      \
		$(LIBTCL) $(THREADLIB)

TEST_EXTENSION = $(SHPREFIX)testloadext.$(SO)
$(TEST_EXTENSION): $(TOP)/src/test_loadext.c
	$(MKSHLIB) $(TOP)/src/test_loadext.c -o $(TEST_EXTENSION)

extensiontest: testfixture$(EXE) $(TEST_EXTENSION)
	./testfixture$(EXE) $(TOP)/test/loadext.test

clean:	
	rm -f *.o sqlite3$(EXE) libsqlite3.a sqlite3.h opcodes.*
	rm -f lemon lempar.c parse.* sqlite*.tar.gz mkkeywordhash keywordhash.h
	rm -f $(PUBLISH)
	rm -f *.da *.bb *.bbg gmon.out
	rm -rf quota2a quota2b quota2c
	rm -rf tsrc target_source
	rm -f testloadext.dll libtestloadext.so
	rm -f sqlite3.c fts?amal.c tclsqlite3.c
	rm -f sqlite3rc.h
	rm -f shell.c sqlite3ext.h
	rm -f $(SHPREFIX)sqlite3.$(SO)
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Changes to VERSION.

1
3.8.12
|
1
3.9.0

Deleted addopcodes.awk.

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#!/usr/bin/awk
#
# This script appends additional token codes to the end of the
# parse.h file that lemon generates.  These extra token codes are
# not used by the parser.  But they are used by the tokenizer and/or
# the code generator.
#
#
BEGIN {
  max = 0
}
/^#define TK_/ {
  print $0
  if( max<$3 ) max = $3
}
END {
  printf "#define TK_%-29s %4d\n", "TO_TEXT",         ++max
  printf "#define TK_%-29s %4d\n", "TO_BLOB",         ++max
  printf "#define TK_%-29s %4d\n", "TO_NUMERIC",      ++max
  printf "#define TK_%-29s %4d\n", "TO_INT",          ++max
  printf "#define TK_%-29s %4d\n", "TO_REAL",         ++max
  printf "#define TK_%-29s %4d\n", "ISNOT",           ++max
  printf "#define TK_%-29s %4d\n", "END_OF_FILE",     ++max
  printf "#define TK_%-29s %4d\n", "ILLEGAL",         ++max
  printf "#define TK_%-29s %4d\n", "SPACE",           ++max
  printf "#define TK_%-29s %4d\n", "UNCLOSED_STRING", ++max
  printf "#define TK_%-29s %4d\n", "FUNCTION",        ++max
  printf "#define TK_%-29s %4d\n", "COLUMN",          ++max
  printf "#define TK_%-29s %4d\n", "AGG_FUNCTION",    ++max
  printf "#define TK_%-29s %4d\n", "AGG_COLUMN",      ++max
  printf "#define TK_%-29s %4d\n", "UMINUS",          ++max
  printf "#define TK_%-29s %4d\n", "UPLUS",           ++max
  printf "#define TK_%-29s %4d\n", "REGISTER",        ++max
}
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Changes to autoconf/Makefile.am.

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AM_CFLAGS = @THREADSAFE_FLAGS@ @DYNAMIC_EXTENSION_FLAGS@ -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE

lib_LTLIBRARIES = libsqlite3.la
libsqlite3_la_SOURCES = sqlite3.c
libsqlite3_la_LDFLAGS = -no-undefined -version-info 8:6:8

bin_PROGRAMS = sqlite3
sqlite3_SOURCES = shell.c sqlite3.c sqlite3.h

|







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AM_CFLAGS = @THREADSAFE_FLAGS@ @DYNAMIC_EXTENSION_FLAGS@ @FTS5_FLAGS@ @JSON1_FLAGS@ -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE

lib_LTLIBRARIES = libsqlite3.la
libsqlite3_la_SOURCES = sqlite3.c
libsqlite3_la_LDFLAGS = -no-undefined -version-info 8:6:8

bin_PROGRAMS = sqlite3
sqlite3_SOURCES = shell.c sqlite3.c sqlite3.h

Changes to autoconf/configure.ac.

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else
  DYNAMIC_EXTENSION_FLAGS=-DSQLITE_OMIT_LOAD_EXTENSION=1
fi
AC_MSG_CHECKING([for whether to support dynamic extensions])
AC_MSG_RESULT($enable_dynamic_extensions)
AC_SUBST(DYNAMIC_EXTENSION_FLAGS)
#-----------------------------------------------------------------------


























AC_CHECK_FUNCS(posix_fallocate)

#-----------------------------------------------------------------------
# UPDATE: Maybe it's better if users just set CFLAGS before invoking
# configure. This option doesn't really add much...
#







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else
  DYNAMIC_EXTENSION_FLAGS=-DSQLITE_OMIT_LOAD_EXTENSION=1
fi
AC_MSG_CHECKING([for whether to support dynamic extensions])
AC_MSG_RESULT($enable_dynamic_extensions)
AC_SUBST(DYNAMIC_EXTENSION_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-fts5
#
AC_ARG_ENABLE(fts5, [AS_HELP_STRING(
  [--enable-fts5], [include fts5 support [default=no]])], 
  [], [enable_fts5=no])
if test x"$enable_fts5" == "xyes"; then
  AC_SEARCH_LIBS(log, m)
  FTS5_FLAGS=-DSQLITE_ENABLE_FTS5
fi
AC_SUBST(FTS5_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-json1
#
AC_ARG_ENABLE(json1, [AS_HELP_STRING(
  [--enable-json1], [include json1 support [default=no]])], 
  [], [enable_json1=no])
if test x"$enable_json1" == "xyes"; then
  JSON1_FLAGS=-DSQLITE_ENABLE_JSON1
fi
AC_SUBST(JSON1_FLAGS)
#-----------------------------------------------------------------------

AC_CHECK_FUNCS(posix_fallocate)

#-----------------------------------------------------------------------
# UPDATE: Maybe it's better if users just set CFLAGS before invoking
# configure. This option doesn't really add much...
#

Changes to configure.

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11895
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for sqlite 3.8.12.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
#
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
................................................................................
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='sqlite'
PACKAGE_TARNAME='sqlite'
PACKAGE_VERSION='3.8.12'
PACKAGE_STRING='sqlite 3.8.12'
PACKAGE_BUGREPORT=''
PACKAGE_URL=''

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
BUILD_CC
VERSION_NUMBER
RELEASE
VERSION
program_prefix
TCLLIBDIR
TCLSH_CMD
AWK
INSTALL_DATA
INSTALL_SCRIPT
INSTALL_PROGRAM
CPP
OTOOL64
OTOOL
LIPO
................................................................................
with_tcl
enable_readline
with_readline_lib
with_readline_inc
enable_debug
enable_amalgamation
enable_load_extension





enable_gcov
'
      ac_precious_vars='build_alias
host_alias
target_alias
CC
CFLAGS
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures sqlite 3.8.12 to adapt to many kinds of systems.

Usage: $0 [OPTION]... [VAR=VALUE]...

To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE.  See below for descriptions of some of the useful variables.

Defaults for the options are specified in brackets.
................................................................................
  --build=BUILD     configure for building on BUILD [guessed]
  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
_ACEOF
fi

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of sqlite 3.8.12:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
  --disable-tcl           do not build TCL extension
  --disable-readline      disable readline support [default=detect]
  --enable-debug          enable debugging & verbose explain
  --disable-amalgamation  Disable the amalgamation and instead build all files
                          separately
  --disable-load-extension
                          Disable loading of external extensions





  --enable-gcov           Enable coverage testing using gcov

Optional Packages:
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --with-pic              try to use only PIC/non-PIC objects [default=use
                          both]
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
sqlite configure 3.8.12
generated by GNU Autoconf 2.69

Copyright (C) 2012 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
_ACEOF
  exit
................................................................................
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_header_mongrel
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by sqlite $as_me 3.8.12, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
$as_echo_n "checking the name lister ($NM) interface... " >&6; }
if ${lt_cv_nm_interface+:} false; then :
  $as_echo_n "(cached) " >&6
else
  lt_cv_nm_interface="BSD nm"
  echo "int some_variable = 0;" > conftest.$ac_ext
  (eval echo "\"\$as_me:3914: $ac_compile\"" >&5)
  (eval "$ac_compile" 2>conftest.err)
  cat conftest.err >&5
  (eval echo "\"\$as_me:3917: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
  cat conftest.err >&5
  (eval echo "\"\$as_me:3920: output\"" >&5)
  cat conftest.out >&5
  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
    lt_cv_nm_interface="MS dumpbin"
  fi
  rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
................................................................................
	;;
    esac
  fi
  rm -rf conftest*
  ;;
*-*-irix6*)
  # Find out which ABI we are using.
  echo '#line 5126 "configure"' > conftest.$ac_ext
  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
  (eval $ac_compile) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then
    if test "$lt_cv_prog_gnu_ld" = yes; then
      case `/usr/bin/file conftest.$ac_objext` in
................................................................................
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:6651: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "$as_me:6655: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       lt_cv_prog_compiler_rtti_exceptions=yes
................................................................................
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:6990: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "$as_me:6994: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       lt_cv_prog_compiler_pic_works=yes
................................................................................
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:7095: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "$as_me:7099: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
................................................................................
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:7150: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "$as_me:7154: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
................................................................................
else
  	  if test "$cross_compiling" = yes; then :
  lt_cv_dlopen_self=cross
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<_LT_EOF
#line 9530 "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>
................................................................................
else
  	  if test "$cross_compiling" = yes; then :
  lt_cv_dlopen_self_static=cross
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<_LT_EOF
#line 9626 "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>
................................................................................
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'

for ac_prog in gawk mawk nawk awk
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_AWK+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test -n "$AWK"; then
  ac_cv_prog_AWK="$AWK" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
  IFS=$as_save_IFS
  test -z "$as_dir" && as_dir=.
    for ac_exec_ext in '' $ac_executable_extensions; do
  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
    ac_cv_prog_AWK="$ac_prog"
    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
    break 2
  fi
done
  done
IFS=$as_save_IFS

fi
fi
AWK=$ac_cv_prog_AWK
if test -n "$AWK"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
$as_echo "$AWK" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi


  test -n "$AWK" && break
done


#########
# Enable large file support (if special flags are necessary)
#
# Check whether --enable-largefile was given.
if test "${enable_largefile+set}" = set; then :
  enableval=$enable_largefile;
................................................................................
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi












































































































































































#########
# attempt to duplicate any OMITS and ENABLES into the $(OPT_FEATURE_FLAGS) parameter
for option in $CFLAGS $CPPFLAGS
do
  case $option in
    -DSQLITE_OMIT*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by sqlite $as_me 3.8.12, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
  CONFIG_HEADERS  = $CONFIG_HEADERS
  CONFIG_LINKS    = $CONFIG_LINKS
  CONFIG_COMMANDS = $CONFIG_COMMANDS
  $ $0 $@
................................................................................

Report bugs to the package provider."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
sqlite config.status 3.8.12
configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

Copyright (C) 2012 Free Software Foundation, Inc.
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."

ac_pwd='$ac_pwd'
srcdir='$srcdir'
INSTALL='$INSTALL'
AWK='$AWK'
test -n "\$AWK" || AWK=awk
_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# The default lists apply if the user does not specify any file.
ac_need_defaults=:
while test $# != 0


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#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for sqlite 3.9.0.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
#
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
................................................................................
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='sqlite'
PACKAGE_TARNAME='sqlite'
PACKAGE_VERSION='3.9.0'
PACKAGE_STRING='sqlite 3.9.0'
PACKAGE_BUGREPORT=''
PACKAGE_URL=''

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
BUILD_CC
VERSION_NUMBER
RELEASE
VERSION
program_prefix
TCLLIBDIR
TCLSH_CMD

INSTALL_DATA
INSTALL_SCRIPT
INSTALL_PROGRAM
CPP
OTOOL64
OTOOL
LIPO
................................................................................
with_tcl
enable_readline
with_readline_lib
with_readline_inc
enable_debug
enable_amalgamation
enable_load_extension
enable_fts3
enable_fts4
enable_fts5
enable_json1
enable_rtree
enable_gcov
'
      ac_precious_vars='build_alias
host_alias
target_alias
CC
CFLAGS
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures sqlite 3.9.0 to adapt to many kinds of systems.

Usage: $0 [OPTION]... [VAR=VALUE]...

To assign environment variables (e.g., CC, CFLAGS...), specify them as
VAR=VALUE.  See below for descriptions of some of the useful variables.

Defaults for the options are specified in brackets.
................................................................................
  --build=BUILD     configure for building on BUILD [guessed]
  --host=HOST       cross-compile to build programs to run on HOST [BUILD]
_ACEOF
fi

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of sqlite 3.9.0:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
  --disable-tcl           do not build TCL extension
  --disable-readline      disable readline support [default=detect]
  --enable-debug          enable debugging & verbose explain
  --disable-amalgamation  Disable the amalgamation and instead build all files
                          separately
  --disable-load-extension
                          Disable loading of external extensions
  --enable-fts3           Enable the FTS3 extension
  --enable-fts4           Enable the FTS4 extension
  --enable-fts5           Enable the FTS5 extension
  --enable-json1          Enable the JSON1 extension
  --enable-rtree          Enable the RTREE extension
  --enable-gcov           Enable coverage testing using gcov

Optional Packages:
  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
  --with-pic              try to use only PIC/non-PIC objects [default=use
                          both]
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
sqlite configure 3.9.0
generated by GNU Autoconf 2.69

Copyright (C) 2012 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
_ACEOF
  exit
................................................................................
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

} # ac_fn_c_check_header_mongrel
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

It was created by sqlite $as_me 3.9.0, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
$as_echo_n "checking the name lister ($NM) interface... " >&6; }
if ${lt_cv_nm_interface+:} false; then :
  $as_echo_n "(cached) " >&6
else
  lt_cv_nm_interface="BSD nm"
  echo "int some_variable = 0;" > conftest.$ac_ext
  (eval echo "\"\$as_me:3923: $ac_compile\"" >&5)
  (eval "$ac_compile" 2>conftest.err)
  cat conftest.err >&5
  (eval echo "\"\$as_me:3926: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
  (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
  cat conftest.err >&5
  (eval echo "\"\$as_me:3929: output\"" >&5)
  cat conftest.out >&5
  if $GREP 'External.*some_variable' conftest.out > /dev/null; then
    lt_cv_nm_interface="MS dumpbin"
  fi
  rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
................................................................................
	;;
    esac
  fi
  rm -rf conftest*
  ;;
*-*-irix6*)
  # Find out which ABI we are using.
  echo '#line 5135 "configure"' > conftest.$ac_ext
  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
  (eval $ac_compile) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then
    if test "$lt_cv_prog_gnu_ld" = yes; then
      case `/usr/bin/file conftest.$ac_objext` in
................................................................................
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:6660: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "$as_me:6664: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       lt_cv_prog_compiler_rtti_exceptions=yes
................................................................................
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:6999: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "$as_me:7003: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings other than the usual output.
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp
     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2
     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then
       lt_cv_prog_compiler_pic_works=yes
................................................................................
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:7104: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "$as_me:7108: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
................................................................................
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:7159: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "$as_me:7163: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     $ECHO "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' > out/conftest.exp
     $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2
     if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then
................................................................................
else
  	  if test "$cross_compiling" = yes; then :
  lt_cv_dlopen_self=cross
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<_LT_EOF
#line 9539 "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>
................................................................................
else
  	  if test "$cross_compiling" = yes; then :
  lt_cv_dlopen_self_static=cross
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<_LT_EOF
#line 9635 "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>
................................................................................
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'

test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'

test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'












































#########
# Enable large file support (if special flags are necessary)
#
# Check whether --enable-largefile was given.
if test "${enable_largefile+set}" = set; then :
  enableval=$enable_largefile;
................................................................................
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi

#########
# See whether we should enable Full Text Search extensions
# Check whether --enable-fts3 was given.
if test "${enable_fts3+set}" = set; then :
  enableval=$enable_fts3; enable_fts3=yes
else
  enable_fts3=no
fi

if test "${enable_fts3}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS3"
fi
# Check whether --enable-fts4 was given.
if test "${enable_fts4+set}" = set; then :
  enableval=$enable_fts4; enable_fts4=yes
else
  enable_fts4=no
fi

if test "${enable_fts4}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS4"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char log ();
int
main ()
{
return log ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' m; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_log=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_log+:} false; then :
  break
fi
done
if ${ac_cv_search_log+:} false; then :

else
  ac_cv_search_log=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log" >&5
$as_echo "$ac_cv_search_log" >&6; }
ac_res=$ac_cv_search_log
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi
# Check whether --enable-fts5 was given.
if test "${enable_fts5+set}" = set; then :
  enableval=$enable_fts5; enable_fts5=yes
else
  enable_fts5=no
fi

if test "${enable_fts5}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS5"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char log ();
int
main ()
{
return log ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' m; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_log=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_log+:} false; then :
  break
fi
done
if ${ac_cv_search_log+:} false; then :

else
  ac_cv_search_log=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_log" >&5
$as_echo "$ac_cv_search_log" >&6; }
ac_res=$ac_cv_search_log
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi

#########
# See whether we should enable JSON1
# Check whether --enable-json1 was given.
if test "${enable_json1+set}" = set; then :
  enableval=$enable_json1; enable_json1=yes
else
  enable_json1=no
fi

if test "${enable_json1}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_JSON1"
fi

#########
# See whether we should enable RTREE
# Check whether --enable-rtree was given.
if test "${enable_rtree+set}" = set; then :
  enableval=$enable_rtree; enable_rtree=yes
else
  enable_rtree=no
fi

if test "${enable_rtree}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_RTREE"
fi

#########
# attempt to duplicate any OMITS and ENABLES into the $(OPT_FEATURE_FLAGS) parameter
for option in $CFLAGS $CPPFLAGS
do
  case $option in
    -DSQLITE_OMIT*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by sqlite $as_me 3.9.0, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
  CONFIG_HEADERS  = $CONFIG_HEADERS
  CONFIG_LINKS    = $CONFIG_LINKS
  CONFIG_COMMANDS = $CONFIG_COMMANDS
  $ $0 $@
................................................................................

Report bugs to the package provider."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
sqlite config.status 3.9.0
configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

Copyright (C) 2012 Free Software Foundation, Inc.
This config.status script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it."

ac_pwd='$ac_pwd'
srcdir='$srcdir'
INSTALL='$INSTALL'

test -n "\$AWK" || AWK=awk
_ACEOF

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# The default lists apply if the user does not specify any file.
ac_need_defaults=:
while test $# != 0

Changes to configure.ac.

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97
98
99
100
...
555
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558
559
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561









































562
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564
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fi

#########
# Programs needed
#
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_PROG_AWK

#########
# Enable large file support (if special flags are necessary)
#
AC_SYS_LARGEFILE

#########
................................................................................
      [use_loadextension=$enableval],[use_loadextension=yes])
if test "${use_loadextension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  AC_SEARCH_LIBS(dlopen, dl)
else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi










































#########
# attempt to duplicate any OMITS and ENABLES into the $(OPT_FEATURE_FLAGS) parameter
for option in $CFLAGS $CPPFLAGS
do
  case $option in
    -DSQLITE_OMIT*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;







<







 







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86
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93
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fi

#########
# Programs needed
#
AC_PROG_LIBTOOL
AC_PROG_INSTALL


#########
# Enable large file support (if special flags are necessary)
#
AC_SYS_LARGEFILE

#########
................................................................................
      [use_loadextension=$enableval],[use_loadextension=yes])
if test "${use_loadextension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  AC_SEARCH_LIBS(dlopen, dl)
else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi

#########
# See whether we should enable Full Text Search extensions
AC_ARG_ENABLE(fts3, AC_HELP_STRING([--enable-fts3],
      [Enable the FTS3 extension]),
      [enable_fts3=yes],[enable_fts3=no])
if test "${enable_fts3}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS3"
fi
AC_ARG_ENABLE(fts4, AC_HELP_STRING([--enable-fts4],
      [Enable the FTS4 extension]),
      [enable_fts4=yes],[enable_fts4=no])
if test "${enable_fts4}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS4"
  AC_SEARCH_LIBS([log],[m])
fi
AC_ARG_ENABLE(fts5, AC_HELP_STRING([--enable-fts5],
      [Enable the FTS5 extension]),
      [enable_fts5=yes],[enable_fts5=no])
if test "${enable_fts5}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_FTS5"
  AC_SEARCH_LIBS([log],[m])
fi

#########
# See whether we should enable JSON1
AC_ARG_ENABLE(json1, AC_HELP_STRING([--enable-json1],
      [Enable the JSON1 extension]),
      [enable_json1=yes],[enable_json1=no])
if test "${enable_json1}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_JSON1"
fi

#########
# See whether we should enable RTREE
AC_ARG_ENABLE(rtree, AC_HELP_STRING([--enable-rtree],
      [Enable the RTREE extension]),
      [enable_rtree=yes],[enable_rtree=no])
if test "${enable_rtree}" = "yes" ; then
  OPT_FEATURE_FLAGS+=" -DSQLITE_ENABLE_RTREE"
fi

#########
# attempt to duplicate any OMITS and ENABLES into the $(OPT_FEATURE_FLAGS) parameter
for option in $CFLAGS $CPPFLAGS
do
  case $option in
    -DSQLITE_OMIT*) OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS $option";;

Changes to ext/fts3/fts3.c.

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static void fts3SetEstimatedRows(sqlite3_index_info *pIdxInfo, i64 nRow){
#if SQLITE_VERSION_NUMBER>=3008002
  if( sqlite3_libversion_number()>=3008002 ){
    pIdxInfo->estimatedRows = nRow;
  }
#endif
}














/* 
** Implementation of the xBestIndex method for FTS3 tables. There
** are three possible strategies, in order of preference:
**
**   1. Direct lookup by rowid or docid. 
**   2. Full-text search using a MATCH operator on a non-docid column.
................................................................................
        case SQLITE_INDEX_CONSTRAINT_LE:
        case SQLITE_INDEX_CONSTRAINT_LT:
          iDocidLe = i;
          break;
      }
    }
  }




  iIdx = 1;
  if( iCons>=0 ){
    pInfo->aConstraintUsage[iCons].argvIndex = iIdx++;
    pInfo->aConstraintUsage[iCons].omit = 1;
  } 
  if( iLangidCons>=0 ){







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static void fts3SetEstimatedRows(sqlite3_index_info *pIdxInfo, i64 nRow){
#if SQLITE_VERSION_NUMBER>=3008002
  if( sqlite3_libversion_number()>=3008002 ){
    pIdxInfo->estimatedRows = nRow;
  }
#endif
}

/*
** Set the SQLITE_INDEX_SCAN_UNIQUE flag in pIdxInfo->flags. Unless this
** extension is currently being used by a version of SQLite too old to
** support index-info flags. In that case this function is a no-op.
*/
static void fts3SetUniqueFlag(sqlite3_index_info *pIdxInfo){
#if SQLITE_VERSION_NUMBER>=3008012
  if( sqlite3_libversion_number()>=3008012 ){
    pIdxInfo->idxFlags |= SQLITE_INDEX_SCAN_UNIQUE;
  }
#endif
}

/* 
** Implementation of the xBestIndex method for FTS3 tables. There
** are three possible strategies, in order of preference:
**
**   1. Direct lookup by rowid or docid. 
**   2. Full-text search using a MATCH operator on a non-docid column.
................................................................................
        case SQLITE_INDEX_CONSTRAINT_LE:
        case SQLITE_INDEX_CONSTRAINT_LT:
          iDocidLe = i;
          break;
      }
    }
  }

  /* If using a docid=? or rowid=? strategy, set the UNIQUE flag. */
  if( pInfo->idxNum==FTS3_DOCID_SEARCH ) fts3SetUniqueFlag(pInfo);

  iIdx = 1;
  if( iCons>=0 ){
    pInfo->aConstraintUsage[iCons].argvIndex = iIdx++;
    pInfo->aConstraintUsage[iCons].omit = 1;
  } 
  if( iLangidCons>=0 ){

Changes to ext/fts3/fts3Int.h.

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    int nPrefix;                  /* Prefix length (0 for main terms index) */
    Fts3Hash hPending;            /* Pending terms table for this index */
  } *aIndex;
  int nMaxPendingData;            /* Max pending data before flush to disk */
  int nPendingData;               /* Current bytes of pending data */
  sqlite_int64 iPrevDocid;        /* Docid of most recently inserted document */
  int iPrevLangid;                /* Langid of recently inserted document */


#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST)
  /* State variables used for validating that the transaction control
  ** methods of the virtual table are called at appropriate times.  These
  ** values do not contribute to FTS functionality; they are used for
  ** verifying the operation of the SQLite core.
  */







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    int nPrefix;                  /* Prefix length (0 for main terms index) */
    Fts3Hash hPending;            /* Pending terms table for this index */
  } *aIndex;
  int nMaxPendingData;            /* Max pending data before flush to disk */
  int nPendingData;               /* Current bytes of pending data */
  sqlite_int64 iPrevDocid;        /* Docid of most recently inserted document */
  int iPrevLangid;                /* Langid of recently inserted document */
  int bPrevDelete;                /* True if last operation was a delete */

#if defined(SQLITE_DEBUG) || defined(SQLITE_COVERAGE_TEST)
  /* State variables used for validating that the transaction control
  ** methods of the virtual table are called at appropriate times.  These
  ** values do not contribute to FTS functionality; they are used for
  ** verifying the operation of the SQLite core.
  */

Changes to ext/fts3/fts3_expr.c.

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  Fts3Expr *pFree = 0;            /* List of free nodes. Linked by pParent. */
  int eType = pRoot->eType;       /* Type of node in this tree */

  if( nMaxDepth==0 ){
    rc = SQLITE_ERROR;
  }


  if( rc==SQLITE_OK && (eType==FTSQUERY_AND || eType==FTSQUERY_OR) ){
    Fts3Expr **apLeaf;
    apLeaf = (Fts3Expr **)sqlite3_malloc(sizeof(Fts3Expr *) * nMaxDepth);
    if( 0==apLeaf ){
      rc = SQLITE_NOMEM;
    }else{
      memset(apLeaf, 0, sizeof(Fts3Expr *) * nMaxDepth);
    }

    if( rc==SQLITE_OK ){
      int i;
      Fts3Expr *p;

      /* Set $p to point to the left-most leaf in the tree of eType nodes. */
      for(p=pRoot; p->eType==eType; p=p->pLeft){
        assert( p->pParent==0 || p->pParent->pLeft==p );
        assert( p->pLeft && p->pRight );
      }

      /* This loop runs once for each leaf in the tree of eType nodes. */
      while( 1 ){
        int iLvl;
        Fts3Expr *pParent = p->pParent;     /* Current parent of p */

        assert( pParent==0 || pParent->pLeft==p );
        p->pParent = 0;
        if( pParent ){
          pParent->pLeft = 0;
        }else{
          pRoot = 0;
        }
        rc = fts3ExprBalance(&p, nMaxDepth-1);
        if( rc!=SQLITE_OK ) break;

        for(iLvl=0; p && iLvl<nMaxDepth; iLvl++){
          if( apLeaf[iLvl]==0 ){
            apLeaf[iLvl] = p;
            p = 0;
          }else{
            assert( pFree );
            pFree->pLeft = apLeaf[iLvl];
            pFree->pRight = p;
            pFree->pLeft->pParent = pFree;
            pFree->pRight->pParent = pFree;

            p = pFree;
            pFree = pFree->pParent;
            p->pParent = 0;
            apLeaf[iLvl] = 0;
          }
        }
        if( p ){
          sqlite3Fts3ExprFree(p);
          rc = SQLITE_TOOBIG;
          break;
        }

        /* If that was the last leaf node, break out of the loop */
        if( pParent==0 ) break;

        /* Set $p to point to the next leaf in the tree of eType nodes */
        for(p=pParent->pRight; p->eType==eType; p=p->pLeft);

        /* Remove pParent from the original tree. */
        assert( pParent->pParent==0 || pParent->pParent->pLeft==pParent );
        pParent->pRight->pParent = pParent->pParent;
        if( pParent->pParent ){
          pParent->pParent->pLeft = pParent->pRight;
        }else{
          assert( pParent==pRoot );
          pRoot = pParent->pRight;
        }

        /* Link pParent into the free node list. It will be used as an
        ** internal node of the new tree.  */
        pParent->pParent = pFree;
        pFree = pParent;
      }

      if( rc==SQLITE_OK ){
        p = 0;
        for(i=0; i<nMaxDepth; i++){
          if( apLeaf[i] ){
            if( p==0 ){
              p = apLeaf[i];
              p->pParent = 0;
            }else{
              assert( pFree!=0 );
              pFree->pRight = p;
              pFree->pLeft = apLeaf[i];
              pFree->pLeft->pParent = pFree;
              pFree->pRight->pParent = pFree;

              p = pFree;
              pFree = pFree->pParent;
              p->pParent = 0;
            }
          }
        }
        pRoot = p;
      }else{
        /* An error occurred. Delete the contents of the apLeaf[] array 
        ** and pFree list. Everything else is cleaned up by the call to
        ** sqlite3Fts3ExprFree(pRoot) below.  */
        Fts3Expr *pDel;
        for(i=0; i<nMaxDepth; i++){
          sqlite3Fts3ExprFree(apLeaf[i]);
        }
        while( (pDel=pFree)!=0 ){
          pFree = pDel->pParent;
          sqlite3_free(pDel);
        }
      }

      assert( pFree==0 );
      sqlite3_free( apLeaf );
    }



  }























  if( rc!=SQLITE_OK ){
    sqlite3Fts3ExprFree(pRoot);
    pRoot = 0;
  }
  *pp = pRoot;
  return rc;
}







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  Fts3Expr *pFree = 0;            /* List of free nodes. Linked by pParent. */
  int eType = pRoot->eType;       /* Type of node in this tree */

  if( nMaxDepth==0 ){
    rc = SQLITE_ERROR;
  }

  if( rc==SQLITE_OK ){
    if( (eType==FTSQUERY_AND || eType==FTSQUERY_OR) ){
      Fts3Expr **apLeaf;
      apLeaf = (Fts3Expr **)sqlite3_malloc(sizeof(Fts3Expr *) * nMaxDepth);
      if( 0==apLeaf ){
        rc = SQLITE_NOMEM;
      }else{
        memset(apLeaf, 0, sizeof(Fts3Expr *) * nMaxDepth);
      }

      if( rc==SQLITE_OK ){
        int i;
        Fts3Expr *p;

        /* Set $p to point to the left-most leaf in the tree of eType nodes. */
        for(p=pRoot; p->eType==eType; p=p->pLeft){
          assert( p->pParent==0 || p->pParent->pLeft==p );
          assert( p->pLeft && p->pRight );
        }

        /* This loop runs once for each leaf in the tree of eType nodes. */
        while( 1 ){
          int iLvl;
          Fts3Expr *pParent = p->pParent;     /* Current parent of p */

          assert( pParent==0 || pParent->pLeft==p );
          p->pParent = 0;
          if( pParent ){
            pParent->pLeft = 0;
          }else{
            pRoot = 0;
          }
          rc = fts3ExprBalance(&p, nMaxDepth-1);
          if( rc!=SQLITE_OK ) break;

          for(iLvl=0; p && iLvl<nMaxDepth; iLvl++){
            if( apLeaf[iLvl]==0 ){
              apLeaf[iLvl] = p;
              p = 0;
            }else{
              assert( pFree );
              pFree->pLeft = apLeaf[iLvl];
              pFree->pRight = p;
              pFree->pLeft->pParent = pFree;
              pFree->pRight->pParent = pFree;

              p = pFree;
              pFree = pFree->pParent;
              p->pParent = 0;
              apLeaf[iLvl] = 0;
            }
          }
          if( p ){
            sqlite3Fts3ExprFree(p);
            rc = SQLITE_TOOBIG;
            break;
          }

          /* If that was the last leaf node, break out of the loop */
          if( pParent==0 ) break;

          /* Set $p to point to the next leaf in the tree of eType nodes */
          for(p=pParent->pRight; p->eType==eType; p=p->pLeft);

          /* Remove pParent from the original tree. */
          assert( pParent->pParent==0 || pParent->pParent->pLeft==pParent );
          pParent->pRight->pParent = pParent->pParent;
          if( pParent->pParent ){
            pParent->pParent->pLeft = pParent->pRight;
          }else{
            assert( pParent==pRoot );
            pRoot = pParent->pRight;
          }

          /* Link pParent into the free node list. It will be used as an
          ** internal node of the new tree.  */
          pParent->pParent = pFree;
          pFree = pParent;
        }

        if( rc==SQLITE_OK ){
          p = 0;
          for(i=0; i<nMaxDepth; i++){
            if( apLeaf[i] ){
              if( p==0 ){
                p = apLeaf[i];
                p->pParent = 0;
              }else{
                assert( pFree!=0 );
                pFree->pRight = p;
                pFree->pLeft = apLeaf[i];
                pFree->pLeft->pParent = pFree;
                pFree->pRight->pParent = pFree;

                p = pFree;
                pFree = pFree->pParent;
                p->pParent = 0;
              }
            }
          }
          pRoot = p;
        }else{
          /* An error occurred. Delete the contents of the apLeaf[] array 
          ** and pFree list. Everything else is cleaned up by the call to
          ** sqlite3Fts3ExprFree(pRoot) below.  */
          Fts3Expr *pDel;
          for(i=0; i<nMaxDepth; i++){
            sqlite3Fts3ExprFree(apLeaf[i]);
          }
          while( (pDel=pFree)!=0 ){
            pFree = pDel->pParent;
            sqlite3_free(pDel);
          }
        }

        assert( pFree==0 );
        sqlite3_free( apLeaf );
      }
    }else if( eType==FTSQUERY_NOT ){
      Fts3Expr *pLeft = pRoot->pLeft;
      Fts3Expr *pRight = pRoot->pRight;

      pRoot->pLeft = 0;
      pRoot->pRight = 0;
      pLeft->pParent = 0;
      pRight->pParent = 0;

      rc = fts3ExprBalance(&pLeft, nMaxDepth-1);
      if( rc==SQLITE_OK ){
        rc = fts3ExprBalance(&pRight, nMaxDepth-1);
      }

      if( rc!=SQLITE_OK ){
        sqlite3Fts3ExprFree(pRight);
        sqlite3Fts3ExprFree(pLeft);
      }else{
        assert( pLeft && pRight );
        pRoot->pLeft = pLeft;
        pLeft->pParent = pRoot;
        pRoot->pRight = pRight;
        pRight->pParent = pRoot;
      }
    }
  }
  
  if( rc!=SQLITE_OK ){
    sqlite3Fts3ExprFree(pRoot);
    pRoot = 0;
  }
  *pp = pRoot;
  return rc;
}

Changes to ext/fts3/fts3_write.c.

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/* 
** Calling this function indicates that subsequent calls to 
** fts3PendingTermsAdd() are to add term/position-list pairs for the
** contents of the document with docid iDocid.
*/
static int fts3PendingTermsDocid(
  Fts3Table *p,                   /* Full-text table handle */

  int iLangid,                    /* Language id of row being written */
  sqlite_int64 iDocid             /* Docid of row being written */
){
  assert( iLangid>=0 );


  /* TODO(shess) Explore whether partially flushing the buffer on
  ** forced-flush would provide better performance.  I suspect that if
  ** we ordered the doclists by size and flushed the largest until the
  ** buffer was half empty, that would let the less frequent terms
  ** generate longer doclists.
  */
  if( iDocid<=p->iPrevDocid 

   || p->iPrevLangid!=iLangid
   || p->nPendingData>p->nMaxPendingData 
  ){
    int rc = sqlite3Fts3PendingTermsFlush(p);
    if( rc!=SQLITE_OK ) return rc;
  }
  p->iPrevDocid = iDocid;
  p->iPrevLangid = iLangid;

  return SQLITE_OK;
}

/*
** Discard the contents of the pending-terms hash tables. 
*/
void sqlite3Fts3PendingTermsClear(Fts3Table *p){
................................................................................
  assert( *pbFound==0 );
  if( *pRC ) return;
  rc = fts3SqlStmt(p, SQL_SELECT_CONTENT_BY_ROWID, &pSelect, &pRowid);
  if( rc==SQLITE_OK ){
    if( SQLITE_ROW==sqlite3_step(pSelect) ){
      int i;
      int iLangid = langidFromSelect(p, pSelect);
      rc = fts3PendingTermsDocid(p, iLangid, sqlite3_column_int64(pSelect, 0));

      for(i=1; rc==SQLITE_OK && i<=p->nColumn; i++){
        int iCol = i-1;
        if( p->abNotindexed[iCol]==0 ){
          const char *zText = (const char *)sqlite3_column_text(pSelect, i);
          rc = fts3PendingTermsAdd(p, iLangid, zText, -1, &aSz[iCol]);
          aSz[p->nColumn] += sqlite3_column_bytes(pSelect, i);
        }
................................................................................
    pNext = &pReader->aDoclist[pReader->nDoclist];
  }

  if( !pNext || pNext>=&pReader->aNode[pReader->nNode] ){

    if( fts3SegReaderIsPending(pReader) ){
      Fts3HashElem *pElem = *(pReader->ppNextElem);
      if( pElem==0 ){
        pReader->aNode = 0;
      }else{

        PendingList *pList = (PendingList *)fts3HashData(pElem);

        pReader->zTerm = (char *)fts3HashKey(pElem);
        pReader->nTerm = fts3HashKeysize(pElem);



        pReader->nNode = pReader->nDoclist = pList->nData + 1;
        pReader->aNode = pReader->aDoclist = pList->aData;
        pReader->ppNextElem++;
        assert( pReader->aNode );
      }
      return SQLITE_OK;
    }

    fts3SegReaderSetEof(pReader);
................................................................................
}

/*
** Free all allocations associated with the iterator passed as the 
** second argument.
*/
void sqlite3Fts3SegReaderFree(Fts3SegReader *pReader){

  if( pReader && !fts3SegReaderIsPending(pReader) ){
    sqlite3_free(pReader->zTerm);

    if( !fts3SegReaderIsRootOnly(pReader) ){
      sqlite3_free(pReader->aNode);
      sqlite3_blob_close(pReader->pBlob);
    }

  }
  sqlite3_free(pReader);
}

/*
** Allocate a new SegReader object.
*/
................................................................................
        aSzDel = &aSzIns[p->nColumn+1];
      }
    }

    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
      int iCol;
      int iLangid = langidFromSelect(p, pStmt);
      rc = fts3PendingTermsDocid(p, iLangid, sqlite3_column_int64(pStmt, 0));
      memset(aSz, 0, sizeof(aSz[0]) * (p->nColumn+1));
      for(iCol=0; rc==SQLITE_OK && iCol<p->nColumn; iCol++){
        if( p->abNotindexed[iCol]==0 ){
          const char *z = (const char *) sqlite3_column_text(pStmt, iCol+1);
          rc = fts3PendingTermsAdd(p, iLangid, z, iCol, &aSz[iCol]);
          aSz[p->nColumn] += sqlite3_column_bytes(pStmt, iCol+1);
        }
................................................................................
    if( bInsertDone==0 ){
      rc = fts3InsertData(p, apVal, pRowid);
      if( rc==SQLITE_CONSTRAINT && p->zContentTbl==0 ){
        rc = FTS_CORRUPT_VTAB;
      }
    }
    if( rc==SQLITE_OK && (!isRemove || *pRowid!=p->iPrevDocid ) ){
      rc = fts3PendingTermsDocid(p, iLangid, *pRowid);
    }
    if( rc==SQLITE_OK ){
      assert( p->iPrevDocid==*pRowid );
      rc = fts3InsertTerms(p, iLangid, apVal, aSzIns);
    }
    if( p->bHasDocsize ){
      fts3InsertDocsize(&rc, p, aSzIns);







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/* 
** Calling this function indicates that subsequent calls to 
** fts3PendingTermsAdd() are to add term/position-list pairs for the
** contents of the document with docid iDocid.
*/
static int fts3PendingTermsDocid(
  Fts3Table *p,                   /* Full-text table handle */
  int bDelete,                    /* True if this op is a delete */
  int iLangid,                    /* Language id of row being written */
  sqlite_int64 iDocid             /* Docid of row being written */
){
  assert( iLangid>=0 );
  assert( bDelete==1 || bDelete==0 );

  /* TODO(shess) Explore whether partially flushing the buffer on
  ** forced-flush would provide better performance.  I suspect that if
  ** we ordered the doclists by size and flushed the largest until the
  ** buffer was half empty, that would let the less frequent terms
  ** generate longer doclists.
  */
  if( iDocid<p->iPrevDocid 
   || (iDocid==p->iPrevDocid && p->bPrevDelete==0)
   || p->iPrevLangid!=iLangid
   || p->nPendingData>p->nMaxPendingData 
  ){
    int rc = sqlite3Fts3PendingTermsFlush(p);
    if( rc!=SQLITE_OK ) return rc;
  }
  p->iPrevDocid = iDocid;
  p->iPrevLangid = iLangid;
  p->bPrevDelete = bDelete;
  return SQLITE_OK;
}

/*
** Discard the contents of the pending-terms hash tables. 
*/
void sqlite3Fts3PendingTermsClear(Fts3Table *p){
................................................................................
  assert( *pbFound==0 );
  if( *pRC ) return;
  rc = fts3SqlStmt(p, SQL_SELECT_CONTENT_BY_ROWID, &pSelect, &pRowid);
  if( rc==SQLITE_OK ){
    if( SQLITE_ROW==sqlite3_step(pSelect) ){
      int i;
      int iLangid = langidFromSelect(p, pSelect);
      i64 iDocid = sqlite3_column_int64(pSelect, 0);
      rc = fts3PendingTermsDocid(p, 1, iLangid, iDocid);
      for(i=1; rc==SQLITE_OK && i<=p->nColumn; i++){
        int iCol = i-1;
        if( p->abNotindexed[iCol]==0 ){
          const char *zText = (const char *)sqlite3_column_text(pSelect, i);
          rc = fts3PendingTermsAdd(p, iLangid, zText, -1, &aSz[iCol]);
          aSz[p->nColumn] += sqlite3_column_bytes(pSelect, i);
        }
................................................................................
    pNext = &pReader->aDoclist[pReader->nDoclist];
  }

  if( !pNext || pNext>=&pReader->aNode[pReader->nNode] ){

    if( fts3SegReaderIsPending(pReader) ){
      Fts3HashElem *pElem = *(pReader->ppNextElem);
      sqlite3_free(pReader->aNode);
      pReader->aNode = 0;
      if( pElem ){
        char *aCopy;
        PendingList *pList = (PendingList *)fts3HashData(pElem);
        int nCopy = pList->nData+1;
        pReader->zTerm = (char *)fts3HashKey(pElem);
        pReader->nTerm = fts3HashKeysize(pElem);
        aCopy = (char*)sqlite3_malloc(nCopy);
        if( !aCopy ) return SQLITE_NOMEM;
        memcpy(aCopy, pList->aData, nCopy);
        pReader->nNode = pReader->nDoclist = nCopy;
        pReader->aNode = pReader->aDoclist = aCopy;
        pReader->ppNextElem++;
        assert( pReader->aNode );
      }
      return SQLITE_OK;
    }

    fts3SegReaderSetEof(pReader);
................................................................................
}

/*
** Free all allocations associated with the iterator passed as the 
** second argument.
*/
void sqlite3Fts3SegReaderFree(Fts3SegReader *pReader){
  if( pReader ){
    if( !fts3SegReaderIsPending(pReader) ){
      sqlite3_free(pReader->zTerm);
    }
    if( !fts3SegReaderIsRootOnly(pReader) ){
      sqlite3_free(pReader->aNode);

    }
    sqlite3_blob_close(pReader->pBlob);
  }
  sqlite3_free(pReader);
}

/*
** Allocate a new SegReader object.
*/
................................................................................
        aSzDel = &aSzIns[p->nColumn+1];
      }
    }

    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
      int iCol;
      int iLangid = langidFromSelect(p, pStmt);
      rc = fts3PendingTermsDocid(p, 0, iLangid, sqlite3_column_int64(pStmt, 0));
      memset(aSz, 0, sizeof(aSz[0]) * (p->nColumn+1));
      for(iCol=0; rc==SQLITE_OK && iCol<p->nColumn; iCol++){
        if( p->abNotindexed[iCol]==0 ){
          const char *z = (const char *) sqlite3_column_text(pStmt, iCol+1);
          rc = fts3PendingTermsAdd(p, iLangid, z, iCol, &aSz[iCol]);
          aSz[p->nColumn] += sqlite3_column_bytes(pStmt, iCol+1);
        }
................................................................................
    if( bInsertDone==0 ){
      rc = fts3InsertData(p, apVal, pRowid);
      if( rc==SQLITE_CONSTRAINT && p->zContentTbl==0 ){
        rc = FTS_CORRUPT_VTAB;
      }
    }
    if( rc==SQLITE_OK && (!isRemove || *pRowid!=p->iPrevDocid ) ){
      rc = fts3PendingTermsDocid(p, 0, iLangid, *pRowid);
    }
    if( rc==SQLITE_OK ){
      assert( p->iPrevDocid==*pRowid );
      rc = fts3InsertTerms(p, iLangid, apVal, aSzIns);
    }
    if( p->bHasDocsize ){
      fts3InsertDocsize(&rc, p, aSzIns);

Changes to ext/fts5/fts5.h.

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*/


#ifndef _FTS5_H
#define _FTS5_H

#include "sqlite3.h"





/*************************************************************************
** CUSTOM AUXILIARY FUNCTIONS
**
** Virtual table implementations may overload SQL functions by implementing
** the sqlite3_module.xFindFunction() method.
*/
................................................................................
    void (*xDestroy)(void*)
  );
};

/*
** END OF REGISTRATION API
*************************************************************************/





#endif /* _FTS5_H */








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#ifndef _FTS5_H
#define _FTS5_H

#include "sqlite3.h"

#ifdef __cplusplus
extern "C" {
#endif

/*************************************************************************
** CUSTOM AUXILIARY FUNCTIONS
**
** Virtual table implementations may overload SQL functions by implementing
** the sqlite3_module.xFindFunction() method.
*/
................................................................................
    void (*xDestroy)(void*)
  );
};

/*
** END OF REGISTRATION API
*************************************************************************/

#ifdef __cplusplus
}  /* end of the 'extern "C"' block */
#endif

#endif /* _FTS5_H */

Changes to ext/fts5/fts5Int.h.

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extern int sqlite3_fts5_may_be_corrupt;
# define assert_nc(x) assert(sqlite3_fts5_may_be_corrupt || (x))
#else
# define assert_nc(x) assert(x)
#endif

typedef struct Fts5Global Fts5Global;















/**************************************************************************
** Interface to code in fts5_config.c. fts5_config.c contains contains code
** to parse the arguments passed to the CREATE VIRTUAL TABLE statement.
*/

typedef struct Fts5Config Fts5Config;
................................................................................

#define FTS5_POS2COLUMN(iPos) (int)(iPos >> 32)
#define FTS5_POS2OFFSET(iPos) (int)(iPos & 0xFFFFFFFF)

typedef struct Fts5PoslistReader Fts5PoslistReader;
struct Fts5PoslistReader {
  /* Variables used only by sqlite3Fts5PoslistIterXXX() functions. */
  int iCol;                       /* If (iCol>=0), this column only */
  const u8 *a;                    /* Position list to iterate through */
  int n;                          /* Size of buffer at a[] in bytes */
  int i;                          /* Current offset in a[] */

  u8 bFlag;                       /* For client use (any custom purpose) */

  /* Output variables */
  u8 bEof;                        /* Set to true at EOF */
  i64 iPos;                       /* (iCol<<32) + iPos */
};
int sqlite3Fts5PoslistReaderInit(
  int iCol,                       /* If (iCol>=0), this column only */
  const u8 *a, int n,             /* Poslist buffer to iterate through */
  Fts5PoslistReader *pIter        /* Iterator object to initialize */
);
int sqlite3Fts5PoslistReaderNext(Fts5PoslistReader*);

typedef struct Fts5PoslistWriter Fts5PoslistWriter;
struct Fts5PoslistWriter {
................................................................................
** Create/destroy an Fts5Index object.
*/
int sqlite3Fts5IndexOpen(Fts5Config *pConfig, int bCreate, Fts5Index**, char**);
int sqlite3Fts5IndexClose(Fts5Index *p);

/*
** for(
**   pIter = sqlite3Fts5IndexQuery(p, "token", 5, 0);
**   0==sqlite3Fts5IterEof(pIter);
**   sqlite3Fts5IterNext(pIter)
** ){
**   i64 iRowid = sqlite3Fts5IterRowid(pIter);
** }
*/

................................................................................
** Open a new iterator to iterate though all rowids that match the 
** specified token or token prefix.
*/
int sqlite3Fts5IndexQuery(
  Fts5Index *p,                   /* FTS index to query */
  const char *pToken, int nToken, /* Token (or prefix) to query for */
  int flags,                      /* Mask of FTS5INDEX_QUERY_X flags */

  Fts5IndexIter **ppIter
);

/*
** The various operations on open token or token prefix iterators opened
** using sqlite3Fts5IndexQuery().
*/
int sqlite3Fts5IterEof(Fts5IndexIter*);
int sqlite3Fts5IterNext(Fts5IndexIter*);
int sqlite3Fts5IterNextFrom(Fts5IndexIter*, i64 iMatch);
i64 sqlite3Fts5IterRowid(Fts5IndexIter*);
int sqlite3Fts5IterPoslist(Fts5IndexIter*, const u8 **pp, int *pn, i64 *pi);
int sqlite3Fts5IterPoslistBuffer(Fts5IndexIter *pIter, Fts5Buffer *pBuf);

/*
** Close an iterator opened by sqlite3Fts5IndexQuery().
*/
void sqlite3Fts5IterClose(Fts5IndexIter*);

................................................................................

/*
** Indicate that subsequent calls to sqlite3Fts5IndexWrite() pertain to
** document iDocid.
*/
int sqlite3Fts5IndexBeginWrite(
  Fts5Index *p,                   /* Index to write to */

  i64 iDocid                      /* Docid to add or remove data from */
);

/*
** Flush any data stored in the in-memory hash tables to the database.
** If the bCommit flag is true, also close any open blob handles.
*/
................................................................................
int sqlite3Fts5GetVarint32(const unsigned char *p, u32 *v);
int sqlite3Fts5GetVarintLen(u32 iVal);
u8 sqlite3Fts5GetVarint(const unsigned char*, u64*);
int sqlite3Fts5PutVarint(unsigned char *p, u64 v);

#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&b)
#define fts5GetVarint    sqlite3Fts5GetVarint










/*
** End of interface to code in fts5_varint.c.
**************************************************************************/


/**************************************************************************
................................................................................
int sqlite3Fts5StorageClose(Fts5Storage *p);
int sqlite3Fts5StorageRename(Fts5Storage*, const char *zName);

int sqlite3Fts5DropAll(Fts5Config*);
int sqlite3Fts5CreateTable(Fts5Config*, const char*, const char*, int, char **);

int sqlite3Fts5StorageDelete(Fts5Storage *p, i64);
int sqlite3Fts5StorageInsert(Fts5Storage *p, sqlite3_value **apVal, int, i64*);


int sqlite3Fts5StorageIntegrity(Fts5Storage *p);

int sqlite3Fts5StorageStmt(Fts5Storage *p, int eStmt, sqlite3_stmt**, char**);
void sqlite3Fts5StorageStmtRelease(Fts5Storage *p, int eStmt, sqlite3_stmt*);

int sqlite3Fts5StorageDocsize(Fts5Storage *p, i64 iRowid, int *aCol);
................................................................................
*/
typedef struct Fts5Expr Fts5Expr;
typedef struct Fts5ExprNode Fts5ExprNode;
typedef struct Fts5Parse Fts5Parse;
typedef struct Fts5Token Fts5Token;
typedef struct Fts5ExprPhrase Fts5ExprPhrase;
typedef struct Fts5ExprNearset Fts5ExprNearset;
typedef struct Fts5ExprColset Fts5ExprColset;

struct Fts5Token {
  const char *p;                  /* Token text (not NULL terminated) */
  int n;                          /* Size of buffer p in bytes */
};

/* Parse a MATCH expression. */
................................................................................

Fts5ExprNearset *sqlite3Fts5ParseNearset(
  Fts5Parse*, 
  Fts5ExprNearset*,
  Fts5ExprPhrase* 
);

Fts5ExprColset *sqlite3Fts5ParseColset(
  Fts5Parse*, 
  Fts5ExprColset*, 
  Fts5Token *
);

void sqlite3Fts5ParsePhraseFree(Fts5ExprPhrase*);
void sqlite3Fts5ParseNearsetFree(Fts5ExprNearset*);
void sqlite3Fts5ParseNodeFree(Fts5ExprNode*);

void sqlite3Fts5ParseSetDistance(Fts5Parse*, Fts5ExprNearset*, Fts5Token*);
void sqlite3Fts5ParseSetColset(Fts5Parse*, Fts5ExprNearset*, Fts5ExprColset*);
void sqlite3Fts5ParseFinished(Fts5Parse *pParse, Fts5ExprNode *p);
void sqlite3Fts5ParseNear(Fts5Parse *pParse, Fts5Token*);

/*
** End of interface to code in fts5_expr.c.
**************************************************************************/








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extern int sqlite3_fts5_may_be_corrupt;
# define assert_nc(x) assert(sqlite3_fts5_may_be_corrupt || (x))
#else
# define assert_nc(x) assert(x)
#endif

typedef struct Fts5Global Fts5Global;
typedef struct Fts5Colset Fts5Colset;

/* If a NEAR() clump or phrase may only match a specific set of columns, 
** then an object of the following type is used to record the set of columns.
** Each entry in the aiCol[] array is a column that may be matched.
**
** This object is used by fts5_expr.c and fts5_index.c.
*/
struct Fts5Colset {
  int nCol;
  int aiCol[1];
};



/**************************************************************************
** Interface to code in fts5_config.c. fts5_config.c contains contains code
** to parse the arguments passed to the CREATE VIRTUAL TABLE statement.
*/

typedef struct Fts5Config Fts5Config;
................................................................................

#define FTS5_POS2COLUMN(iPos) (int)(iPos >> 32)
#define FTS5_POS2OFFSET(iPos) (int)(iPos & 0xFFFFFFFF)

typedef struct Fts5PoslistReader Fts5PoslistReader;
struct Fts5PoslistReader {
  /* Variables used only by sqlite3Fts5PoslistIterXXX() functions. */

  const u8 *a;                    /* Position list to iterate through */
  int n;                          /* Size of buffer at a[] in bytes */
  int i;                          /* Current offset in a[] */

  u8 bFlag;                       /* For client use (any custom purpose) */

  /* Output variables */
  u8 bEof;                        /* Set to true at EOF */
  i64 iPos;                       /* (iCol<<32) + iPos */
};
int sqlite3Fts5PoslistReaderInit(

  const u8 *a, int n,             /* Poslist buffer to iterate through */
  Fts5PoslistReader *pIter        /* Iterator object to initialize */
);
int sqlite3Fts5PoslistReaderNext(Fts5PoslistReader*);

typedef struct Fts5PoslistWriter Fts5PoslistWriter;
struct Fts5PoslistWriter {
................................................................................
** Create/destroy an Fts5Index object.
*/
int sqlite3Fts5IndexOpen(Fts5Config *pConfig, int bCreate, Fts5Index**, char**);
int sqlite3Fts5IndexClose(Fts5Index *p);

/*
** for(
**   sqlite3Fts5IndexQuery(p, "token", 5, 0, 0, &pIter);
**   0==sqlite3Fts5IterEof(pIter);
**   sqlite3Fts5IterNext(pIter)
** ){
**   i64 iRowid = sqlite3Fts5IterRowid(pIter);
** }
*/

................................................................................
** Open a new iterator to iterate though all rowids that match the 
** specified token or token prefix.
*/
int sqlite3Fts5IndexQuery(
  Fts5Index *p,                   /* FTS index to query */
  const char *pToken, int nToken, /* Token (or prefix) to query for */
  int flags,                      /* Mask of FTS5INDEX_QUERY_X flags */
  Fts5Colset *pColset,            /* Match these columns only */
  Fts5IndexIter **ppIter          /* OUT: New iterator object */
);

/*
** The various operations on open token or token prefix iterators opened
** using sqlite3Fts5IndexQuery().
*/
int sqlite3Fts5IterEof(Fts5IndexIter*);
int sqlite3Fts5IterNext(Fts5IndexIter*);
int sqlite3Fts5IterNextFrom(Fts5IndexIter*, i64 iMatch);
i64 sqlite3Fts5IterRowid(Fts5IndexIter*);
int sqlite3Fts5IterPoslist(Fts5IndexIter*,Fts5Colset*, const u8**, int*, i64*);
int sqlite3Fts5IterPoslistBuffer(Fts5IndexIter *pIter, Fts5Buffer *pBuf);

/*
** Close an iterator opened by sqlite3Fts5IndexQuery().
*/
void sqlite3Fts5IterClose(Fts5IndexIter*);

................................................................................

/*
** Indicate that subsequent calls to sqlite3Fts5IndexWrite() pertain to
** document iDocid.
*/
int sqlite3Fts5IndexBeginWrite(
  Fts5Index *p,                   /* Index to write to */
  int bDelete,                    /* True if current operation is a delete */
  i64 iDocid                      /* Docid to add or remove data from */
);

/*
** Flush any data stored in the in-memory hash tables to the database.
** If the bCommit flag is true, also close any open blob handles.
*/
................................................................................
int sqlite3Fts5GetVarint32(const unsigned char *p, u32 *v);
int sqlite3Fts5GetVarintLen(u32 iVal);
u8 sqlite3Fts5GetVarint(const unsigned char*, u64*);
int sqlite3Fts5PutVarint(unsigned char *p, u64 v);

#define fts5GetVarint32(a,b) sqlite3Fts5GetVarint32(a,(u32*)&b)
#define fts5GetVarint    sqlite3Fts5GetVarint

#define fts5FastGetVarint32(a, iOff, nVal) {      \
  nVal = (a)[iOff++];                             \
  if( nVal & 0x80 ){                              \
    iOff--;                                       \
    iOff += fts5GetVarint32(&(a)[iOff], nVal);    \
  }                                               \
}


/*
** End of interface to code in fts5_varint.c.
**************************************************************************/


/**************************************************************************
................................................................................
int sqlite3Fts5StorageClose(Fts5Storage *p);
int sqlite3Fts5StorageRename(Fts5Storage*, const char *zName);

int sqlite3Fts5DropAll(Fts5Config*);
int sqlite3Fts5CreateTable(Fts5Config*, const char*, const char*, int, char **);

int sqlite3Fts5StorageDelete(Fts5Storage *p, i64);
int sqlite3Fts5StorageContentInsert(Fts5Storage *p, sqlite3_value**, i64*);
int sqlite3Fts5StorageIndexInsert(Fts5Storage *p, sqlite3_value**, i64);

int sqlite3Fts5StorageIntegrity(Fts5Storage *p);

int sqlite3Fts5StorageStmt(Fts5Storage *p, int eStmt, sqlite3_stmt**, char**);
void sqlite3Fts5StorageStmtRelease(Fts5Storage *p, int eStmt, sqlite3_stmt*);

int sqlite3Fts5StorageDocsize(Fts5Storage *p, i64 iRowid, int *aCol);
................................................................................
*/
typedef struct Fts5Expr Fts5Expr;
typedef struct Fts5ExprNode Fts5ExprNode;
typedef struct Fts5Parse Fts5Parse;
typedef struct Fts5Token Fts5Token;
typedef struct Fts5ExprPhrase Fts5ExprPhrase;
typedef struct Fts5ExprNearset Fts5ExprNearset;


struct Fts5Token {
  const char *p;                  /* Token text (not NULL terminated) */
  int n;                          /* Size of buffer p in bytes */
};

/* Parse a MATCH expression. */
................................................................................

Fts5ExprNearset *sqlite3Fts5ParseNearset(
  Fts5Parse*, 
  Fts5ExprNearset*,
  Fts5ExprPhrase* 
);

Fts5Colset *sqlite3Fts5ParseColset(
  Fts5Parse*, 
  Fts5Colset*, 
  Fts5Token *
);

void sqlite3Fts5ParsePhraseFree(Fts5ExprPhrase*);
void sqlite3Fts5ParseNearsetFree(Fts5ExprNearset*);
void sqlite3Fts5ParseNodeFree(Fts5ExprNode*);

void sqlite3Fts5ParseSetDistance(Fts5Parse*, Fts5ExprNearset*, Fts5Token*);
void sqlite3Fts5ParseSetColset(Fts5Parse*, Fts5ExprNearset*, Fts5Colset*);
void sqlite3Fts5ParseFinished(Fts5Parse *pParse, Fts5ExprNode *p);
void sqlite3Fts5ParseNear(Fts5Parse *pParse, Fts5Token*);

/*
** End of interface to code in fts5_expr.c.
**************************************************************************/

Changes to ext/fts5/fts5_aux.c.

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**    May you share freely, never taking more than you give.
**
******************************************************************************
*/


#include "fts5Int.h"
#include <math.h>

/*
** Object used to iterate through all "coalesced phrase instances" in 
** a single column of the current row. If the phrase instances in the
** column being considered do not overlap, this object simply iterates
** through them. Or, if they do overlap (share one or more tokens in
** common), each set of overlapping instances is treated as a single







|







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**    May you share freely, never taking more than you give.
**
******************************************************************************
*/


#include "fts5Int.h"
#include <math.h>                 /* amalgamator: keep */

/*
** Object used to iterate through all "coalesced phrase instances" in 
** a single column of the current row. If the phrase instances in the
** column being considered do not overlap, this object simply iterates
** through them. Or, if they do overlap (share one or more tokens in
** common), each set of overlapping instances is treated as a single

Changes to ext/fts5/fts5_buffer.c.

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  if( i>=n ){
    /* EOF */
    *piOff = -1;
    return 1;  
  }else{
    i64 iOff = *piOff;
    int iVal;
    i += fts5GetVarint32(&a[i], iVal);
    if( iVal==1 ){
      i += fts5GetVarint32(&a[i], iVal);
      iOff = ((i64)iVal) << 32;
      i += fts5GetVarint32(&a[i], iVal);
    }
    *piOff = iOff + (iVal-2);
    *pi = i;
    return 0;
  }
}


/*
** Advance the iterator object passed as the only argument. Return true
** if the iterator reaches EOF, or false otherwise.
*/
int sqlite3Fts5PoslistReaderNext(Fts5PoslistReader *pIter){
  if( sqlite3Fts5PoslistNext64(pIter->a, pIter->n, &pIter->i, &pIter->iPos) 
   || (pIter->iCol>=0 && (pIter->iPos >> 32) > pIter->iCol)
  ){
    pIter->bEof = 1;
  }
  return pIter->bEof;
}

int sqlite3Fts5PoslistReaderInit(
  int iCol,                       /* If (iCol>=0), this column only */
  const u8 *a, int n,             /* Poslist buffer to iterate through */
  Fts5PoslistReader *pIter        /* Iterator object to initialize */
){
  memset(pIter, 0, sizeof(*pIter));
  pIter->a = a;
  pIter->n = n;
  pIter->iCol = iCol;
  do {
    sqlite3Fts5PoslistReaderNext(pIter);
  }while( pIter->bEof==0 && (pIter->iPos >> 32)<iCol );
  return pIter->bEof;
}

int sqlite3Fts5PoslistWriterAppend(
  Fts5Buffer *pBuf, 
  Fts5PoslistWriter *pWriter,
  i64 iPos
){
  static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32;
  int rc = SQLITE_OK;

  if( (iPos & colmask) != (pWriter->iPrev & colmask) ){
    fts5BufferAppendVarint(&rc, pBuf, 1);
    fts5BufferAppendVarint(&rc, pBuf, (iPos >> 32));

    pWriter->iPrev = (iPos & colmask);
  }
  fts5BufferAppendVarint(&rc, pBuf, (iPos - pWriter->iPrev) + 2);

  pWriter->iPrev = iPos;

  return rc;
}

void *sqlite3Fts5MallocZero(int *pRc, int nByte){
  void *pRet = 0;
  if( *pRc==SQLITE_OK ){
    pRet = sqlite3_malloc(nByte);
................................................................................
** Return true if character 't' may be part of an FTS5 bareword, or false
** otherwise. Characters that may be part of barewords:
**
**   * All non-ASCII characters,
**   * The 52 upper and lower case ASCII characters, and
**   * The 10 integer ASCII characters.
**   * The underscore character "_" (0x5F).

*/
int sqlite3Fts5IsBareword(char t){
  u8 aBareword[128] = {
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 0, 0, 0, 0, 0, 0,   /* 0x00 .. 0x0F */
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 0, 0, 0, 0, 0, 0,   /* 0x10 .. 0x1F */
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 0, 0, 0, 0, 0, 0,   /* 0x20 .. 0x2F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 0, 0, 0, 0, 0, 0,   /* 0x30 .. 0x3F */
    0, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 1, 1, 1, 1, 1,   /* 0x40 .. 0x4F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 0, 0, 0, 0, 1,   /* 0x50 .. 0x5F */
    0, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 1, 1, 1, 1, 1,   /* 0x60 .. 0x6F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 0, 0, 0, 0, 0    /* 0x70 .. 0x7F */
  };

  return (t & 0x80) || aBareword[(int)t];
}









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<






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  if( i>=n ){
    /* EOF */
    *piOff = -1;
    return 1;  
  }else{
    i64 iOff = *piOff;
    int iVal;
    fts5FastGetVarint32(a, i, iVal);
    if( iVal==1 ){
      fts5FastGetVarint32(a, i, iVal);
      iOff = ((i64)iVal) << 32;
      fts5FastGetVarint32(a, i, iVal);
    }
    *piOff = iOff + (iVal-2);
    *pi = i;
    return 0;
  }
}


/*
** Advance the iterator object passed as the only argument. Return true
** if the iterator reaches EOF, or false otherwise.
*/
int sqlite3Fts5PoslistReaderNext(Fts5PoslistReader *pIter){
  if( sqlite3Fts5PoslistNext64(pIter->a, pIter->n, &pIter->i, &pIter->iPos) ){


    pIter->bEof = 1;
  }
  return pIter->bEof;
}

int sqlite3Fts5PoslistReaderInit(

  const u8 *a, int n,             /* Poslist buffer to iterate through */
  Fts5PoslistReader *pIter        /* Iterator object to initialize */
){
  memset(pIter, 0, sizeof(*pIter));
  pIter->a = a;
  pIter->n = n;


  sqlite3Fts5PoslistReaderNext(pIter);

  return pIter->bEof;
}

int sqlite3Fts5PoslistWriterAppend(
  Fts5Buffer *pBuf, 
  Fts5PoslistWriter *pWriter,
  i64 iPos
){
  static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32;
  int rc = SQLITE_OK;
  if( 0==sqlite3Fts5BufferGrow(&rc, pBuf, 5+5+5) ){
    if( (iPos & colmask) != (pWriter->iPrev & colmask) ){

      pBuf->p[pBuf->n++] = 1;
      pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos>>32));
      pWriter->iPrev = (iPos & colmask);
    }

    pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos-pWriter->iPrev)+2);
    pWriter->iPrev = iPos;
  }
  return rc;
}

void *sqlite3Fts5MallocZero(int *pRc, int nByte){
  void *pRet = 0;
  if( *pRc==SQLITE_OK ){
    pRet = sqlite3_malloc(nByte);
................................................................................
** Return true if character 't' may be part of an FTS5 bareword, or false
** otherwise. Characters that may be part of barewords:
**
**   * All non-ASCII characters,
**   * The 52 upper and lower case ASCII characters, and
**   * The 10 integer ASCII characters.
**   * The underscore character "_" (0x5F).
**   * The unicode "subsitute" character (0x1A).
*/
int sqlite3Fts5IsBareword(char t){
  u8 aBareword[128] = {
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 0, 0, 0, 0, 0, 0,   /* 0x00 .. 0x0F */
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 1, 0, 0, 0, 0, 0,   /* 0x10 .. 0x1F */
    0, 0, 0, 0, 0, 0, 0, 0,    0, 0, 0, 0, 0, 0, 0, 0,   /* 0x20 .. 0x2F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 0, 0, 0, 0, 0, 0,   /* 0x30 .. 0x3F */
    0, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 1, 1, 1, 1, 1,   /* 0x40 .. 0x4F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 0, 0, 0, 0, 1,   /* 0x50 .. 0x5F */
    0, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 1, 1, 1, 1, 1,   /* 0x60 .. 0x6F */
    1, 1, 1, 1, 1, 1, 1, 1,    1, 1, 1, 0, 0, 0, 0, 0    /* 0x70 .. 0x7F */
  };

  return (t & 0x80) || aBareword[(int)t];
}


Changes to ext/fts5/fts5_expr.c.

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/*
** Functions generated by lemon from fts5parse.y.
*/
void *sqlite3Fts5ParserAlloc(void *(*mallocProc)(u64));
void sqlite3Fts5ParserFree(void*, void (*freeProc)(void*));
void sqlite3Fts5Parser(void*, int, Fts5Token, Fts5Parse*);






struct Fts5Expr {
  Fts5Index *pIndex;
  Fts5ExprNode *pRoot;
  int bDesc;                      /* Iterate in descending rowid order */
  int nPhrase;                    /* Number of phrases in expression */
  Fts5ExprPhrase **apExprPhrase;  /* Pointers to phrase objects */
................................................................................
struct Fts5ExprPhrase {
  Fts5ExprNode *pNode;            /* FTS5_STRING node this phrase is part of */
  Fts5Buffer poslist;             /* Current position list */
  int nTerm;                      /* Number of entries in aTerm[] */
  Fts5ExprTerm aTerm[1];          /* Terms that make up this phrase */
};

/*
** If a NEAR() clump may only match a specific set of columns, then
** Fts5ExprNearset.pColset points to an object of the following type.
** Each entry in the aiCol[] array
*/
struct Fts5ExprColset {
  int nCol;
  int aiCol[1];
};

/*
** One or more phrases that must appear within a certain token distance of
** each other within each matching document.
*/
struct Fts5ExprNearset {
  int nNear;                      /* NEAR parameter */
  Fts5ExprColset *pColset;        /* Columns to search (NULL -> all columns) */
  int nPhrase;                    /* Number of entries in aPhrase[] array */
  Fts5ExprPhrase *apPhrase[1];    /* Array of phrase pointers */
};


/*
** Parse context.
................................................................................
  if( p ){
    sqlite3Fts5ParseNodeFree(p->pRoot);
    sqlite3_free(p->apExprPhrase);
    sqlite3_free(p);
  }
}

static int fts5ExprColsetTest(Fts5ExprColset *pColset, int iCol){
  int i;
  for(i=0; i<pColset->nCol; i++){
    if( pColset->aiCol[i]==iCol ) return 1;
  }
  return 0;
}

/*
** Argument pTerm must be a synonym iterator. Return the current rowid
** that it points to.
*/
static i64 fts5ExprSynonymRowid(Fts5ExprTerm *pTerm, int bDesc, int *pbEof){
  i64 iRet = 0;
  int bRetValid = 0;
................................................................................
}

/*
** Argument pTerm must be a synonym iterator.
*/
static int fts5ExprSynonymPoslist(
  Fts5ExprTerm *pTerm, 

  i64 iRowid,
  int *pbDel,                     /* OUT: Caller should sqlite3_free(*pa) */
  u8 **pa, int *pn
){
  Fts5PoslistReader aStatic[4];
  Fts5PoslistReader *aIter = aStatic;
  int nIter = 0;
................................................................................
  assert( pTerm->pSynonym );
  for(p=pTerm; p; p=p->pSynonym){
    Fts5IndexIter *pIter = p->pIter;
    if( sqlite3Fts5IterEof(pIter)==0 && sqlite3Fts5IterRowid(pIter)==iRowid ){
      const u8 *a;
      int n;
      i64 dummy;
      rc = sqlite3Fts5IterPoslist(pIter, &a, &n, &dummy);
      if( rc!=SQLITE_OK ) goto synonym_poslist_out;
      if( nIter==nAlloc ){
        int nByte = sizeof(Fts5PoslistReader) * nAlloc * 2;
        Fts5PoslistReader *aNew = (Fts5PoslistReader*)sqlite3_malloc(nByte);
        if( aNew==0 ){
          rc = SQLITE_NOMEM;
          goto synonym_poslist_out;
        }
        memcpy(aNew, aIter, sizeof(Fts5PoslistReader) * nIter);
        nAlloc = nAlloc*2;
        if( aIter!=aStatic ) sqlite3_free(aIter);
        aIter = aNew;
      }
      sqlite3Fts5PoslistReaderInit(-1, a, n, &aIter[nIter]);
      assert( aIter[nIter].bEof==0 );
      nIter++;
    }
  }

  assert( *pbDel==0 );
  if( nIter==1 ){
................................................................................
**
** SQLITE_OK is returned if an error occurs, or an SQLite error code 
** otherwise. It is not considered an error code if the current rowid is 
** not a match.
*/
static int fts5ExprPhraseIsMatch(
  Fts5ExprNode *pNode,            /* Node pPhrase belongs to */
  Fts5ExprColset *pColset,        /* Restrict matches to these columns */
  Fts5ExprPhrase *pPhrase,        /* Phrase object to initialize */
  int *pbMatch                    /* OUT: Set to true if really a match */
){
  Fts5PoslistWriter writer = {0};
  Fts5PoslistReader aStatic[4];
  Fts5PoslistReader *aIter = aStatic;
  int i;
  int rc = SQLITE_OK;
  int iCol = -1;
  
  if( pColset && pColset->nCol==1 ){
    iCol = pColset->aiCol[0];
    pColset = 0;
  }

  fts5BufferZero(&pPhrase->poslist);

  /* If the aStatic[] array is not large enough, allocate a large array
  ** using sqlite3_malloc(). This approach could be improved upon. */
  if( pPhrase->nTerm>(sizeof(aStatic) / sizeof(aStatic[0])) ){
    int nByte = sizeof(Fts5PoslistReader) * pPhrase->nTerm;
    aIter = (Fts5PoslistReader*)sqlite3_malloc(nByte);
................................................................................
  for(i=0; i<pPhrase->nTerm; i++){
    Fts5ExprTerm *pTerm = &pPhrase->aTerm[i];
    i64 dummy;
    int n = 0;
    int bFlag = 0;
    const u8 *a = 0;
    if( pTerm->pSynonym ){
      rc = fts5ExprSynonymPoslist(pTerm, pNode->iRowid, &bFlag, (u8**)&a, &n);


    }else{
      rc = sqlite3Fts5IterPoslist(pTerm->pIter, &a, &n, &dummy);
    }
    if( rc!=SQLITE_OK ) goto ismatch_out;
    sqlite3Fts5PoslistReaderInit(iCol, a, n, &aIter[i]);
    aIter[i].bFlag = bFlag;
    if( aIter[i].bEof ) goto ismatch_out;
  }

  while( 1 ){
    int bMatch;
    i64 iPos = aIter[0].iPos;
................................................................................
            if( sqlite3Fts5PoslistReaderNext(pPos) ) goto ismatch_out;
          }
          if( pPos->iPos>iAdj ) iPos = pPos->iPos-i;
        }
      }
    }while( bMatch==0 );

    if( pColset==0 || fts5ExprColsetTest(pColset, FTS5_POS2COLUMN(iPos)) ){
      /* Append position iPos to the output */
      rc = sqlite3Fts5PoslistWriterAppend(&pPhrase->poslist, &writer, iPos);
      if( rc!=SQLITE_OK ) goto ismatch_out;
    }

    for(i=0; i<pPhrase->nTerm; i++){
      if( sqlite3Fts5PoslistReaderNext(&aIter[i]) ) goto ismatch_out;
    }
  }

 ismatch_out:
................................................................................
    bEof = 1;
  }else{
    *piLast = fts5ExprSynonymRowid(pTerm, bDesc, &bEof);
  }
  return bEof;
}

/*
** IN/OUT parameter (*pa) points to a position list n bytes in size. If
** the position list contains entries for column iCol, then (*pa) is set
** to point to the sub-position-list for that column and the number of
** bytes in it returned. Or, if the argument position list does not
** contain any entries for column iCol, return 0.
*/
static int fts5ExprExtractCol(
  const u8 **pa,                  /* IN/OUT: Pointer to poslist */
  int n,                          /* IN: Size of poslist in bytes */
  int iCol                        /* Column to extract from poslist */
){
  int iCurrent = 0;
  const u8 *p = *pa;
  const u8 *pEnd = &p[n];         /* One byte past end of position list */
  u8 prev = 0;

  while( iCol!=iCurrent ){
    /* Advance pointer p until it points to pEnd or an 0x01 byte that is
    ** not part of a varint */
    while( (prev & 0x80) || *p!=0x01 ){
      prev = *p++;
      if( p==pEnd ) return 0;
    }
    *pa = p++;
    p += fts5GetVarint32(p, iCurrent);
  }

  /* Advance pointer p until it points to pEnd or an 0x01 byte that is
  ** not part of a varint */
  assert( (prev & 0x80)==0 );
  while( p<pEnd && ((prev & 0x80) || *p!=0x01) ){
    prev = *p++;
  }
  return p - (*pa);
}

static int fts5ExprExtractColset (
  Fts5ExprColset *pColset,        /* Colset to filter on */
  const u8 *pPos, int nPos,       /* Position list */
  Fts5Buffer *pBuf                /* Output buffer */
){
  int rc = SQLITE_OK;
  int i;

  fts5BufferZero(pBuf);
  for(i=0; i<pColset->nCol; i++){
    const u8 *pSub = pPos;
    int nSub = fts5ExprExtractCol(&pSub, nPos, pColset->aiCol[i]);
    if( nSub ){
      fts5BufferAppendBlob(&rc, pBuf, nSub, pSub);
    }
  }
  return rc;
}

static int fts5ExprNearTest(
  int *pRc,
  Fts5Expr *pExpr,                /* Expression that pNear is a part of */
  Fts5ExprNode *pNode             /* The "NEAR" node (FTS5_STRING) */
){
  Fts5ExprNearset *pNear = pNode->pNear;
................................................................................
  ** of a single term only, grab pointers into the poslist managed by the
  ** fts5_index.c iterator object. This is much faster than synthesizing 
  ** a new poslist the way we have to for more complicated phrase or NEAR
  ** expressions.  */
  Fts5ExprNearset *pNear = pNode->pNear;
  Fts5ExprPhrase *pPhrase = pNear->apPhrase[0];
  Fts5IndexIter *pIter = pPhrase->aTerm[0].pIter;
  Fts5ExprColset *pColset = pNear->pColset;
  const u8 *pPos;
  int nPos;
  int rc;

  assert( pNode->eType==FTS5_TERM );
  assert( pNear->nPhrase==1 && pPhrase->nTerm==1 );
  assert( pPhrase->aTerm[0].pSynonym==0 );

  rc = sqlite3Fts5IterPoslist(pIter, &pPos, &nPos, &pNode->iRowid);

  /* If the term may match any column, then this must be a match. 
  ** Return immediately in this case. Otherwise, try to find the
  ** part of the poslist that corresponds to the required column.
  ** If it can be found, return. If it cannot, the next iteration
  ** of the loop will test the next rowid in the database for this
  ** term.  */
  if( pColset==0 ){
    assert( pPhrase->poslist.nSpace==0 );
    pPhrase->poslist.p = (u8*)pPos;
    pPhrase->poslist.n = nPos;
  }else if( pColset->nCol==1 ){
    assert( pPhrase->poslist.nSpace==0 );
    pPhrase->poslist.n = fts5ExprExtractCol(&pPos, nPos, pColset->aiCol[0]);
    pPhrase->poslist.p = (u8*)pPos;
  }else if( rc==SQLITE_OK ){
    rc = fts5ExprExtractColset(pColset, pPos, nPos, &pPhrase->poslist);
  }


  pNode->bNomatch = (pPhrase->poslist.n==0);
  return rc;
}

/*
** All individual term iterators in pNear are guaranteed to be valid when
** this function is called. This function checks if all term iterators
................................................................................
          sqlite3Fts5IterClose(p->pIter);
          p->pIter = 0;
        }
        rc = sqlite3Fts5IndexQuery(
            pExpr->pIndex, p->zTerm, strlen(p->zTerm),
            (pTerm->bPrefix ? FTS5INDEX_QUERY_PREFIX : 0) |
            (pExpr->bDesc ? FTS5INDEX_QUERY_DESC : 0),

            &p->pIter
        );
        assert( rc==SQLITE_OK || p->pIter==0 );
        if( p->pIter && 0==sqlite3Fts5IterEof(p->pIter) ){
          bEof = 0;
        }
      }
................................................................................
    nNear = FTS5_DEFAULT_NEARDIST;
  }
  pNear->nNear = nNear;
}

/*
** The second argument passed to this function may be NULL, or it may be
** an existing Fts5ExprColset object. This function returns a pointer to
** a new colset object containing the contents of (p) with new value column
** number iCol appended. 
**
** If an OOM error occurs, store an error code in pParse and return NULL.
** The old colset object (if any) is not freed in this case.
*/
static Fts5ExprColset *fts5ParseColset(
  Fts5Parse *pParse,              /* Store SQLITE_NOMEM here if required */
  Fts5ExprColset *p,              /* Existing colset object */
  int iCol                        /* New column to add to colset object */
){
  int nCol = p ? p->nCol : 0;     /* Num. columns already in colset object */
  Fts5ExprColset *pNew;           /* New colset object to return */

  assert( pParse->rc==SQLITE_OK );
  assert( iCol>=0 && iCol<pParse->pConfig->nCol );

  pNew = sqlite3_realloc(p, sizeof(Fts5ExprColset) + sizeof(int)*nCol);
  if( pNew==0 ){
    pParse->rc = SQLITE_NOMEM;
  }else{
    int *aiCol = pNew->aiCol;
    int i, j;
    for(i=0; i<nCol; i++){
      if( aiCol[i]==iCol ) return pNew;
................................................................................
    for(i=1; i<pNew->nCol; i++) assert( pNew->aiCol[i]>pNew->aiCol[i-1] );
#endif
  }

  return pNew;
}

Fts5ExprColset *sqlite3Fts5ParseColset(
  Fts5Parse *pParse,              /* Store SQLITE_NOMEM here if required */
  Fts5ExprColset *pColset,        /* Existing colset object */
  Fts5Token *p
){
  Fts5ExprColset *pRet = 0;
  int iCol;
  char *z;                        /* Dequoted copy of token p */

  z = sqlite3Fts5Strndup(&pParse->rc, p->p, p->n);
  if( pParse->rc==SQLITE_OK ){
    Fts5Config *pConfig = pParse->pConfig;
    sqlite3Fts5Dequote(z);
................................................................................

  return pRet;
}

void sqlite3Fts5ParseSetColset(
  Fts5Parse *pParse, 
  Fts5ExprNearset *pNear, 
  Fts5ExprColset *pColset 
){
  if( pNear ){
    pNear->pColset = pColset;
  }else{
    sqlite3_free(pColset);
  }
}
................................................................................
  int rc = SQLITE_OK;
  void *pCtx = (void*)pGlobal;

  for(i=0; rc==SQLITE_OK && i<(sizeof(aFunc) / sizeof(aFunc[0])); i++){
    struct Fts5ExprFunc *p = &aFunc[i];
    rc = sqlite3_create_function(db, p->z, -1, SQLITE_UTF8, pCtx, p->x, 0, 0);
  }






  return rc;
}

/*
** Return the number of phrases in expression pExpr.
*/
................................................................................
    nRet = pPhrase->poslist.n;
  }else{
    *pa = 0;
    nRet = 0;
  }
  return nRet;
}








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/*
** Functions generated by lemon from fts5parse.y.
*/
void *sqlite3Fts5ParserAlloc(void *(*mallocProc)(u64));
void sqlite3Fts5ParserFree(void*, void (*freeProc)(void*));
void sqlite3Fts5Parser(void*, int, Fts5Token, Fts5Parse*);
#ifndef NDEBUG
#include <stdio.h>
void sqlite3Fts5ParserTrace(FILE*, char*);
#endif


struct Fts5Expr {
  Fts5Index *pIndex;
  Fts5ExprNode *pRoot;
  int bDesc;                      /* Iterate in descending rowid order */
  int nPhrase;                    /* Number of phrases in expression */
  Fts5ExprPhrase **apExprPhrase;  /* Pointers to phrase objects */
................................................................................
struct Fts5ExprPhrase {
  Fts5ExprNode *pNode;            /* FTS5_STRING node this phrase is part of */
  Fts5Buffer poslist;             /* Current position list */
  int nTerm;                      /* Number of entries in aTerm[] */
  Fts5ExprTerm aTerm[1];          /* Terms that make up this phrase */
};











/*
** One or more phrases that must appear within a certain token distance of
** each other within each matching document.
*/
struct Fts5ExprNearset {
  int nNear;                      /* NEAR parameter */
  Fts5Colset *pColset;            /* Columns to search (NULL -> all columns) */
  int nPhrase;                    /* Number of entries in aPhrase[] array */
  Fts5ExprPhrase *apPhrase[1];    /* Array of phrase pointers */
};


/*
** Parse context.
................................................................................
  if( p ){
    sqlite3Fts5ParseNodeFree(p->pRoot);
    sqlite3_free(p->apExprPhrase);
    sqlite3_free(p);
  }
}









/*
** Argument pTerm must be a synonym iterator. Return the current rowid
** that it points to.
*/
static i64 fts5ExprSynonymRowid(Fts5ExprTerm *pTerm, int bDesc, int *pbEof){
  i64 iRet = 0;
  int bRetValid = 0;
................................................................................
}

/*
** Argument pTerm must be a synonym iterator.
*/
static int fts5ExprSynonymPoslist(
  Fts5ExprTerm *pTerm, 
  Fts5Colset *pColset,
  i64 iRowid,
  int *pbDel,                     /* OUT: Caller should sqlite3_free(*pa) */
  u8 **pa, int *pn
){
  Fts5PoslistReader aStatic[4];
  Fts5PoslistReader *aIter = aStatic;
  int nIter = 0;
................................................................................
  assert( pTerm->pSynonym );
  for(p=pTerm; p; p=p->pSynonym){
    Fts5IndexIter *pIter = p->pIter;
    if( sqlite3Fts5IterEof(pIter)==0 && sqlite3Fts5IterRowid(pIter)==iRowid ){
      const u8 *a;
      int n;
      i64 dummy;
      rc = sqlite3Fts5IterPoslist(pIter, pColset, &a, &n, &dummy);
      if( rc!=SQLITE_OK ) goto synonym_poslist_out;
      if( nIter==nAlloc ){
        int nByte = sizeof(Fts5PoslistReader) * nAlloc * 2;
        Fts5PoslistReader *aNew = (Fts5PoslistReader*)sqlite3_malloc(nByte);
        if( aNew==0 ){
          rc = SQLITE_NOMEM;
          goto synonym_poslist_out;
        }
        memcpy(aNew, aIter, sizeof(Fts5PoslistReader) * nIter);
        nAlloc = nAlloc*2;
        if( aIter!=aStatic ) sqlite3_free(aIter);
        aIter = aNew;
      }
      sqlite3Fts5PoslistReaderInit(a, n, &aIter[nIter]);
      assert( aIter[nIter].bEof==0 );
      nIter++;
    }
  }

  assert( *pbDel==0 );
  if( nIter==1 ){
................................................................................
**
** SQLITE_OK is returned if an error occurs, or an SQLite error code 
** otherwise. It is not considered an error code if the current rowid is 
** not a match.
*/
static int fts5ExprPhraseIsMatch(
  Fts5ExprNode *pNode,            /* Node pPhrase belongs to */
  Fts5Colset *pColset,            /* Restrict matches to these columns */
  Fts5ExprPhrase *pPhrase,        /* Phrase object to initialize */
  int *pbMatch                    /* OUT: Set to true if really a match */
){
  Fts5PoslistWriter writer = {0};
  Fts5PoslistReader aStatic[4];
  Fts5PoslistReader *aIter = aStatic;
  int i;
  int rc = SQLITE_OK;

  





  fts5BufferZero(&pPhrase->poslist);

  /* If the aStatic[] array is not large enough, allocate a large array
  ** using sqlite3_malloc(). This approach could be improved upon. */
  if( pPhrase->nTerm>(sizeof(aStatic) / sizeof(aStatic[0])) ){
    int nByte = sizeof(Fts5PoslistReader) * pPhrase->nTerm;
    aIter = (Fts5PoslistReader*)sqlite3_malloc(nByte);
................................................................................
  for(i=0; i<pPhrase->nTerm; i++){
    Fts5ExprTerm *pTerm = &pPhrase->aTerm[i];
    i64 dummy;
    int n = 0;
    int bFlag = 0;
    const u8 *a = 0;
    if( pTerm->pSynonym ){
      rc = fts5ExprSynonymPoslist(
          pTerm, pColset, pNode->iRowid, &bFlag, (u8**)&a, &n
      );
    }else{
      rc = sqlite3Fts5IterPoslist(pTerm->pIter, pColset, &a, &n, &dummy);
    }
    if( rc!=SQLITE_OK ) goto ismatch_out;
    sqlite3Fts5PoslistReaderInit(a, n, &aIter[i]);
    aIter[i].bFlag = bFlag;
    if( aIter[i].bEof ) goto ismatch_out;
  }

  while( 1 ){
    int bMatch;
    i64 iPos = aIter[0].iPos;
................................................................................
            if( sqlite3Fts5PoslistReaderNext(pPos) ) goto ismatch_out;
          }
          if( pPos->iPos>iAdj ) iPos = pPos->iPos-i;
        }
      }
    }while( bMatch==0 );


    /* Append position iPos to the output */
    rc = sqlite3Fts5PoslistWriterAppend(&pPhrase->poslist, &writer, iPos);
    if( rc!=SQLITE_OK ) goto ismatch_out;


    for(i=0; i<pPhrase->nTerm; i++){
      if( sqlite3Fts5PoslistReaderNext(&aIter[i]) ) goto ismatch_out;
    }
  }

 ismatch_out:
................................................................................
    bEof = 1;
  }else{
    *piLast = fts5ExprSynonymRowid(pTerm, bDesc, &bEof);
  }
  return bEof;
}

























































static int fts5ExprNearTest(
  int *pRc,
  Fts5Expr *pExpr,                /* Expression that pNear is a part of */
  Fts5ExprNode *pNode             /* The "NEAR" node (FTS5_STRING) */
){
  Fts5ExprNearset *pNear = pNode->pNear;
................................................................................
  ** of a single term only, grab pointers into the poslist managed by the
  ** fts5_index.c iterator object. This is much faster than synthesizing 
  ** a new poslist the way we have to for more complicated phrase or NEAR
  ** expressions.  */
  Fts5ExprNearset *pNear = pNode->pNear;
  Fts5ExprPhrase *pPhrase = pNear->apPhrase[0];
  Fts5IndexIter *pIter = pPhrase->aTerm[0].pIter;
  Fts5Colset *pColset = pNear->pColset;


  int rc;

  assert( pNode->eType==FTS5_TERM );
  assert( pNear->nPhrase==1 && pPhrase->nTerm==1 );
  assert( pPhrase->aTerm[0].pSynonym==0 );

  rc = sqlite3Fts5IterPoslist(pIter, pColset, 









      (const u8**)&pPhrase->poslist.p, &pPhrase->poslist.n, &pNode->iRowid









  );
  pNode->bNomatch = (pPhrase->poslist.n==0);
  return rc;
}

/*
** All individual term iterators in pNear are guaranteed to be valid when
** this function is called. This function checks if all term iterators
................................................................................
          sqlite3Fts5IterClose(p->pIter);
          p->pIter = 0;
        }
        rc = sqlite3Fts5IndexQuery(
            pExpr->pIndex, p->zTerm, strlen(p->zTerm),
            (pTerm->bPrefix ? FTS5INDEX_QUERY_PREFIX : 0) |
            (pExpr->bDesc ? FTS5INDEX_QUERY_DESC : 0),
            pNear->pColset,
            &p->pIter
        );
        assert( rc==SQLITE_OK || p->pIter==0 );
        if( p->pIter && 0==sqlite3Fts5IterEof(p->pIter) ){
          bEof = 0;
        }
      }
................................................................................
    nNear = FTS5_DEFAULT_NEARDIST;
  }
  pNear->nNear = nNear;
}

/*
** The second argument passed to this function may be NULL, or it may be
** an existing Fts5Colset object. This function returns a pointer to
** a new colset object containing the contents of (p) with new value column
** number iCol appended. 
**
** If an OOM error occurs, store an error code in pParse and return NULL.
** The old colset object (if any) is not freed in this case.
*/
static Fts5Colset *fts5ParseColset(
  Fts5Parse *pParse,              /* Store SQLITE_NOMEM here if required */
  Fts5Colset *p,                  /* Existing colset object */
  int iCol                        /* New column to add to colset object */
){
  int nCol = p ? p->nCol : 0;     /* Num. columns already in colset object */
  Fts5Colset *pNew;               /* New colset object to return */

  assert( pParse->rc==SQLITE_OK );
  assert( iCol>=0 && iCol<pParse->pConfig->nCol );

  pNew = sqlite3_realloc(p, sizeof(Fts5Colset) + sizeof(int)*nCol);
  if( pNew==0 ){
    pParse->rc = SQLITE_NOMEM;
  }else{
    int *aiCol = pNew->aiCol;
    int i, j;
    for(i=0; i<nCol; i++){
      if( aiCol[i]==iCol ) return pNew;
................................................................................
    for(i=1; i<pNew->nCol; i++) assert( pNew->aiCol[i]>pNew->aiCol[i-1] );
#endif
  }

  return pNew;
}

Fts5Colset *sqlite3Fts5ParseColset(
  Fts5Parse *pParse,              /* Store SQLITE_NOMEM here if required */
  Fts5Colset *pColset,            /* Existing colset object */
  Fts5Token *p
){
  Fts5Colset *pRet = 0;
  int iCol;
  char *z;                        /* Dequoted copy of token p */

  z = sqlite3Fts5Strndup(&pParse->rc, p->p, p->n);
  if( pParse->rc==SQLITE_OK ){
    Fts5Config *pConfig = pParse->pConfig;
    sqlite3Fts5Dequote(z);
................................................................................

  return pRet;
}

void sqlite3Fts5ParseSetColset(
  Fts5Parse *pParse, 
  Fts5ExprNearset *pNear, 
  Fts5Colset *pColset 
){
  if( pNear ){
    pNear->pColset = pColset;
  }else{
    sqlite3_free(pColset);
  }
}
................................................................................
  int rc = SQLITE_OK;
  void *pCtx = (void*)pGlobal;

  for(i=0; rc==SQLITE_OK && i<(sizeof(aFunc) / sizeof(aFunc[0])); i++){
    struct Fts5ExprFunc *p = &aFunc[i];
    rc = sqlite3_create_function(db, p->z, -1, SQLITE_UTF8, pCtx, p->x, 0, 0);
  }

  /* Avoid a warning indicating that sqlite3Fts5ParserTrace() is unused */
#ifndef NDEBUG
  (void)sqlite3Fts5ParserTrace;
#endif

  return rc;
}

/*
** Return the number of phrases in expression pExpr.
*/
................................................................................
    nRet = pPhrase->poslist.n;
  }else{
    *pa = 0;
    nRet = 0;
  }
  return nRet;
}

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3981
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3983
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3985












3986
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3989








3990
3991
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3993



3994

3995
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4000
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4004
4005




4006
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4020
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4022
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4036
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....
4052
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4059
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4082

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4089


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4099
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4112
....
4121
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4128
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4135
....
4160
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4167
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4171
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4174

4175
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....
4191
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4207

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4210

4211
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....
4302
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4310
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....
4363
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4370
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....
4389
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4396
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....
4432
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4446
....
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4518
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4541
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....
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....
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....
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5245
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....
5340
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....
5357
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5360
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5365
5366
5367
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5369
5370
5371
  ** Variables related to the accumulation of tokens and doclists within the
  ** in-memory hash tables before they are flushed to disk.
  */
  Fts5Hash *pHash;                /* Hash table for in-memory data */
  int nMaxPendingData;            /* Max pending data before flush to disk */
  int nPendingData;               /* Current bytes of pending data */
  i64 iWriteRowid;                /* Rowid for current doc being written */
  Fts5Buffer scratch;

  /* Error state. */
  int rc;                         /* Current error code */

  /* State used by the fts5DataXXX() functions. */
  sqlite3_blob *pReader;          /* RO incr-blob open on %_data table */
  sqlite3_stmt *pWriter;          /* "INSERT ... %_data VALUES(?,?)" */
................................................................................
  sqlite3_stmt *pIdxWriter;       /* "INSERT ... %_idx VALUES(?,?,?,?)" */
  sqlite3_stmt *pIdxDeleter;      /* "DELETE FROM %_idx WHERE segid=? */
  sqlite3_stmt *pIdxSelect;
  int nRead;                      /* Total number of blocks read */
};

struct Fts5DoclistIter {
  u8 *a;
  int n;
  int i;

  /* Output variables. aPoslist==0 at EOF */
  i64 iRowid;
  u8 *aPoslist;
  int nPoslist;

};

/*
** The contents of the "structure" record for each index are represented
** using an Fts5Structure record in memory. Which uses instances of the 
** other Fts5StructureXXX types as components.
*/
................................................................................
struct Fts5IndexIter {
  Fts5Index *pIndex;              /* Index that owns this iterator */
  Fts5Structure *pStruct;         /* Database structure for this iterator */
  Fts5Buffer poslist;             /* Buffer containing current poslist */

  int nSeg;                       /* Size of aSeg[] array */
  int bRev;                       /* True to iterate in reverse order */
  int bSkipEmpty;                 /* True to skip deleted entries */
  int bEof;                       /* True at EOF */


  i64 iSwitchRowid;               /* Firstest rowid of other than aFirst[1] */
  Fts5CResult *aFirst;            /* Current merge state (see above) */
  Fts5SegIter aSeg[1];            /* Array of segment iterators */
};


................................................................................
** Argument p points to a buffer containing a varint to be interpreted as a
** position list size field. Read the varint and return the number of bytes
** read. Before returning, set *pnSz to the number of bytes in the position
** list, and *pbDel to true if the delete flag is set, or false otherwise.
*/
static int fts5GetPoslistSize(const u8 *p, int *pnSz, int *pbDel){
  int nSz;

  int n = fts5GetVarint32(p, nSz);
  assert_nc( nSz>=0 );
  *pnSz = nSz/2;
  *pbDel = nSz & 0x0001;
  return n;
}

/*
................................................................................
**
** Leave Fts5SegIter.iLeafOffset pointing to the first byte of the 
** position list content (if any).
*/
static void fts5SegIterLoadNPos(Fts5Index *p, Fts5SegIter *pIter){
  if( p->rc==SQLITE_OK ){
    int iOff = pIter->iLeafOffset;  /* Offset to read at */

    ASSERT_SZLEAF_OK(pIter->pLeaf);
    if( iOff>=pIter->pLeaf->szLeaf ){
      p->rc = FTS5_CORRUPT;
    }else{
      const u8 *a = &pIter->pLeaf->p[iOff];
      pIter->iLeafOffset += fts5GetPoslistSize(a, &pIter->nPos, &pIter->bDel);
    }
  }
}

static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){
  u8 *a = pIter->pLeaf->p;        /* Buffer to read data from */
  int iOff = pIter->iLeafOffset;

................................................................................
        }else{
          pIter->pLeaf->p = (u8*)pList;
          pIter->pLeaf->nn = nList;
          pIter->pLeaf->szLeaf = nList;
          pIter->iEndofDoclist = nList+1;
          sqlite3Fts5BufferSet(&p->rc, &pIter->term, strlen(zTerm), (u8*)zTerm);
          pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid);

        }
      }else{
        iOff = 0;
        /* Next entry is not on the current page */
        while( iOff==0 ){
          fts5SegIterNextPage(p, pIter);
          pLeaf = pIter->pLeaf;
................................................................................
  ){
    return;
  }

  pIter->pDlidx = fts5DlidxIterInit(p, bRev, iSeg, pIter->iTermLeafPgno);
}

#define fts5IndexGetVarint32(a, iOff, nVal) {     \
  nVal = (a)[iOff++];                             \
  if( nVal & 0x80 ){                              \
    iOff--;                                       \
    iOff += fts5GetVarint32(&(a)[iOff], nVal);    \
  }                                               \
}

#define fts5IndexSkipVarint(a, iOff) {            \
  int iEnd = iOff+9;                              \
  while( (a[iOff++] & 0x80) && iOff<iEnd );       \
}

/*
** The iterator object passed as the second argument currently contains
................................................................................
  iPgidx = szLeaf;
  iPgidx += fts5GetVarint32(&a[iPgidx], iTermOff);
  iOff = iTermOff;

  while( 1 ){

    /* Figure out how many new bytes are in this term */
    fts5IndexGetVarint32(a, iOff, nNew);
    if( nKeep<nMatch ){
      goto search_failed;
    }

    assert( nKeep>=nMatch );
    if( nKeep==nMatch ){
      int nCmp;
................................................................................
    }

    iPgidx += fts5GetVarint32(&a[iPgidx], nKeep);
    iTermOff += nKeep;
    iOff = iTermOff;

    /* Read the nKeep field of the next term. */
    fts5IndexGetVarint32(a, iOff, nKeep);
  }

 search_failed:
  if( bGe==0 ){
    fts5DataRelease(pIter->pLeaf);
    pIter->pLeaf = 0;
    return;
................................................................................
  Fts5IndexIter **ppOut           /* New object */
){
  Fts5IndexIter *pNew;
  pNew = fts5MultiIterAlloc(p, 2);
  if( pNew ){
    Fts5SegIter *pIter = &pNew->aSeg[1];


    pIter->flags = FTS5_SEGITER_ONETERM;
    if( pData->szLeaf>0 ){
      pIter->pLeaf = pData;
      pIter->iLeafOffset = fts5GetVarint(pData->p, (u64*)&pIter->iRowid);
      pIter->iEndofDoclist = pData->nn;
      pNew->aFirst[1].iFirst = 1;
      if( bDesc ){
................................................................................
      if( (ret + i) > nMax ) break;
      ret += i;
    }
  }
  return ret;
}

#define fts5BufferSafeAppendBlob(pBuf, pBlob, nBlob) { \
  assert( pBuf->nSpace>=(pBuf->n+nBlob) );             \
  memcpy(&pBuf->p[pBuf->n], pBlob, nBlob);             \
  pBuf->n += nBlob;                                    \





}

/*
** Flush the contents of in-memory hash table iHash to a new level-0 
** segment on disk. Also update the corresponding structure record.
**
** If an error occurs, set the Fts5Index.rc error code. If an error has 
................................................................................
  fts5StructureRelease(pStruct);

  return fts5IndexReturn(p);
}

static void fts5PoslistCallback(
  Fts5Index *p, 
  void *pCtx, 
  const u8 *pChunk, int nChunk
){
  assert_nc( nChunk>=0 );
  if( nChunk>0 ){
    fts5BufferAppendBlob(&p->rc, (Fts5Buffer*)pCtx, nChunk, pChunk);





































































  }
}

/*
** Iterator pIter currently points to a valid entry (not EOF). This
** function appends the position list data for the current entry to
** buffer pBuf. It does not make a copy of the position-list size
** field.
*/
static void fts5SegiterPoslist(
  Fts5Index *p,
  Fts5SegIter *pSeg,

  Fts5Buffer *pBuf
){


  fts5ChunkIterate(p, pSeg, (void*)pBuf, fts5PoslistCallback);







}



/*






































** Iterator pMulti currently points to a valid entry (not EOF). This
** function appends a copy of the position-list of the entry pMulti 
** currently points to to buffer pBuf.

**








** If an error occurs, an error code is left in p->rc. It is assumed
** no error has already occurred when this function is called.
*/
static void fts5MultiIterPoslist(

  Fts5Index *p,

  Fts5IndexIter *pMulti,
  int bSz,                        /* Append a size field before the data */

  Fts5Buffer *pBuf
){
  if( p->rc==SQLITE_OK ){
    Fts5SegIter *pSeg = &pMulti->aSeg[ pMulti->aFirst[1].iFirst ];
    assert( fts5MultiIterEof(p, pMulti)==0 );






    if( bSz ){




      /* WRITEPOSLISTSIZE */
      fts5BufferAppendVarint(&p->rc, pBuf, pSeg->nPos*2);



    }












    fts5SegiterPoslist(p, pSeg, pBuf);
  }
}



















static void fts5DoclistIterNext(Fts5DoclistIter *pIter){
  if( pIter->i<pIter->n ){
    int bDummy;


    if( pIter->i ){



      i64 iDelta;

      pIter->i += fts5GetVarint(&pIter->a[pIter->i], (u64*)&iDelta);
      pIter->iRowid += iDelta;
    }else{
      pIter->i += fts5GetVarint(&pIter->a[pIter->i], (u64*)&pIter->iRowid);
    }
    pIter->i += fts5GetPoslistSize(
        &pIter->a[pIter->i], &pIter->nPoslist, &bDummy
    );
    pIter->aPoslist = &pIter->a[pIter->i];




    pIter->i += pIter->nPoslist;
  }else{




    pIter->aPoslist = 0;
  }
}

static void fts5DoclistIterInit(
  Fts5Buffer *pBuf, 
  Fts5DoclistIter *pIter
){
  memset(pIter, 0, sizeof(*pIter));
  pIter->a = pBuf->p;
  pIter->n = pBuf->n;
  fts5DoclistIterNext(pIter);
}


/*
** Append a doclist to buffer pBuf.



*/
static void fts5MergeAppendDocid(
  int *pRc,                       /* IN/OUT: Error code */
  Fts5Buffer *pBuf,               /* Buffer to write to */
  i64 *piLastRowid,               /* IN/OUT: Previous rowid written (if any) */
  i64 iRowid                      /* Rowid to append */
){
  if( pBuf->n==0 ){
    fts5BufferAppendVarint(pRc, pBuf, iRowid);
  }else{
    fts5BufferAppendVarint(pRc, pBuf, iRowid - *piLastRowid);
  }
  *piLastRowid = iRowid;
}








/*
** Buffers p1 and p2 contain doclists. This function merges the content
** of the two doclists together and sets buffer p1 to the result before
** returning.
**
** If an error occurs, an error code is left in p->rc. If an error has
................................................................................
    Fts5DoclistIter i1;
    Fts5DoclistIter i2;
    Fts5Buffer out;
    Fts5Buffer tmp;
    memset(&out, 0, sizeof(out));
    memset(&tmp, 0, sizeof(tmp));


    fts5DoclistIterInit(p1, &i1);
    fts5DoclistIterInit(p2, &i2);
    while( p->rc==SQLITE_OK && (i1.aPoslist!=0 || i2.aPoslist!=0) ){
      if( i2.aPoslist==0 || (i1.aPoslist && i1.iRowid<i2.iRowid) ){
        /* Copy entry from i1 */
        fts5MergeAppendDocid(&p->rc, &out, &iLastRowid, i1.iRowid);
        /* WRITEPOSLISTSIZE */
        fts5BufferAppendVarint(&p->rc, &out, i1.nPoslist * 2);
        fts5BufferAppendBlob(&p->rc, &out, i1.nPoslist, i1.aPoslist);
        fts5DoclistIterNext(&i1);
      }
      else if( i1.aPoslist==0 || i2.iRowid!=i1.iRowid ){
        /* Copy entry from i2 */
        fts5MergeAppendDocid(&p->rc, &out, &iLastRowid, i2.iRowid);
        /* WRITEPOSLISTSIZE */
        fts5BufferAppendVarint(&p->rc, &out, i2.nPoslist * 2);
        fts5BufferAppendBlob(&p->rc, &out, i2.nPoslist, i2.aPoslist);
        fts5DoclistIterNext(&i2);
      }
      else{
        Fts5PoslistReader r1;
        Fts5PoslistReader r2;
        Fts5PoslistWriter writer;





        memset(&writer, 0, sizeof(writer));

        /* Merge the two position lists. */ 
        fts5MergeAppendDocid(&p->rc, &out, &iLastRowid, i2.iRowid);
        fts5BufferZero(&tmp);
        sqlite3Fts5PoslistReaderInit(-1, i1.aPoslist, i1.nPoslist, &r1);

        sqlite3Fts5PoslistReaderInit(-1, i2.aPoslist, i2.nPoslist, &r2);


        while( p->rc==SQLITE_OK && (r1.bEof==0 || r2.bEof==0) ){
          i64 iNew;
          if( r2.bEof || (r1.bEof==0 && r1.iPos<r2.iPos) ){

            iNew = r1.iPos;
            sqlite3Fts5PoslistReaderNext(&r1);
          }else{
            iNew = r2.iPos;
            sqlite3Fts5PoslistReaderNext(&r2);
            if( r1.iPos==r2.iPos ) sqlite3Fts5PoslistReaderNext(&r1);



          }
          p->rc = sqlite3Fts5PoslistWriterAppend(&tmp, &writer, iNew);
        }

        /* WRITEPOSLISTSIZE */
        fts5BufferAppendVarint(&p->rc, &out, tmp.n * 2);
        fts5BufferAppendBlob(&p->rc, &out, tmp.n, tmp.p);
        fts5DoclistIterNext(&i1);
        fts5DoclistIterNext(&i2);
      }
    }

    fts5BufferSet(&p->rc, p1, out.n, out.p);
    fts5BufferFree(&tmp);
................................................................................
}

static void fts5SetupPrefixIter(
  Fts5Index *p,                   /* Index to read from */
  int bDesc,                      /* True for "ORDER BY rowid DESC" */
  const u8 *pToken,               /* Buffer containing prefix to match */
  int nToken,                     /* Size of buffer pToken in bytes */

  Fts5IndexIter **ppIter       /* OUT: New iterator */
){
  Fts5Structure *pStruct;
  Fts5Buffer *aBuf;
  const int nBuf = 32;

  aBuf = (Fts5Buffer*)fts5IdxMalloc(p, sizeof(Fts5Buffer)*nBuf);
  pStruct = fts5StructureRead(p);
................................................................................
            fts5BufferSwap(&doclist, &aBuf[i]);
            fts5BufferZero(&doclist);
          }else{
            fts5MergePrefixLists(p, &doclist, &aBuf[i]);
            fts5BufferZero(&aBuf[i]);
          }
        }

      }

      fts5MergeAppendDocid(&p->rc, &doclist, &iLastRowid, iRowid);
      fts5MultiIterPoslist(p, p1, 1, &doclist);


    }

    for(i=0; i<nBuf; i++){

      fts5MergePrefixLists(p, &doclist, &aBuf[i]);

      fts5BufferFree(&aBuf[i]);
    }
    fts5MultiIterFree(p, p1);

    pData = fts5IdxMalloc(p, sizeof(Fts5Data) + doclist.n);
    if( pData ){
      pData->p = (u8*)&pData[1];
................................................................................
}


/*
** Indicate that all subsequent calls to sqlite3Fts5IndexWrite() pertain
** to the document with rowid iRowid.
*/
int sqlite3Fts5IndexBeginWrite(Fts5Index *p, i64 iRowid){
  assert( p->rc==SQLITE_OK );

  /* Allocate the hash table if it has not already been allocated */
  if( p->pHash==0 ){
    p->rc = sqlite3Fts5HashNew(&p->pHash, &p->nPendingData);
  }

  /* Flush the hash table to disk if required */


  if( iRowid<=p->iWriteRowid || (p->nPendingData > p->nMaxPendingData) ){

    fts5IndexFlush(p);
  }

  p->iWriteRowid = iRowid;

  return fts5IndexReturn(p);
}

/*
** Commit data to disk.
*/
int sqlite3Fts5IndexSync(Fts5Index *p, int bCommit){
................................................................................
    assert( p->pReader==0 );
    sqlite3_finalize(p->pWriter);
    sqlite3_finalize(p->pDeleter);
    sqlite3_finalize(p->pIdxWriter);
    sqlite3_finalize(p->pIdxDeleter);
    sqlite3_finalize(p->pIdxSelect);
    sqlite3Fts5HashFree(p->pHash);
    sqlite3Fts5BufferFree(&p->scratch);
    sqlite3_free(p->zDataTbl);
    sqlite3_free(p);
  }
  return rc;
}

/*
................................................................................
  const char *pToken, int nToken  /* Token to add or remove to or from index */
){
  int i;                          /* Used to iterate through indexes */
  int rc = SQLITE_OK;             /* Return code */
  Fts5Config *pConfig = p->pConfig;

  assert( p->rc==SQLITE_OK );


  /* Add the entry to the main terms index. */
  rc = sqlite3Fts5HashWrite(
      p->pHash, p->iWriteRowid, iCol, iPos, FTS5_MAIN_PREFIX, pToken, nToken
  );

  for(i=0; i<pConfig->nPrefix && rc==SQLITE_OK; i++){
................................................................................
** Open a new iterator to iterate though all rowid that match the 
** specified token or token prefix.
*/
int sqlite3Fts5IndexQuery(
  Fts5Index *p,                   /* FTS index to query */
  const char *pToken, int nToken, /* Token (or prefix) to query for */
  int flags,                      /* Mask of FTS5INDEX_QUERY_X flags */

  Fts5IndexIter **ppIter          /* OUT: New iterator object */
){
  Fts5Config *pConfig = p->pConfig;
  Fts5IndexIter *pRet = 0;
  int iIdx = 0;
  Fts5Buffer buf = {0, 0, 0};

................................................................................
      if( pStruct ){
        fts5MultiIterNew(p, pStruct, 1, flags, buf.p, nToken+1, -1, 0, &pRet);
        fts5StructureRelease(pStruct);
      }
    }else{
      int bDesc = (flags & FTS5INDEX_QUERY_DESC)!=0;
      buf.p[0] = FTS5_MAIN_PREFIX;
      fts5SetupPrefixIter(p, bDesc, buf.p, nToken+1, &pRet);
    }

    if( p->rc ){
      sqlite3Fts5IterClose(pRet);
      pRet = 0;
      fts5CloseReader(p);
    }
................................................................................
const char *sqlite3Fts5IterTerm(Fts5IndexIter *pIter, int *pn){
  int n;
  const char *z = (const char*)fts5MultiIterTerm(pIter, &n);
  *pn = n-1;
  return &z[1];
}






















/*
** Return a pointer to a buffer containing a copy of the position list for
** the current entry. Output variable *pn is set to the size of the buffer 
** in bytes before returning.
**
** The returned position list does not include the "number of bytes" varint
** field that starts the position list on disk.
*/
int sqlite3Fts5IterPoslist(
  Fts5IndexIter *pIter, 

  const u8 **pp,                  /* OUT: Pointer to position-list data */
  int *pn,                        /* OUT: Size of position-list in bytes */
  i64 *piRowid                    /* OUT: Current rowid */
){
  Fts5SegIter *pSeg = &pIter->aSeg[ pIter->aFirst[1].iFirst ];
  assert( pIter->pIndex->rc==SQLITE_OK );
  *piRowid = pSeg->iRowid;
  *pn = pSeg->nPos;
  if( pSeg->iLeafOffset+pSeg->nPos <= pSeg->pLeaf->szLeaf ){
    *pp = &pSeg->pLeaf->p[pSeg->iLeafOffset];






  }else{
    fts5BufferZero(&pIter->poslist);






    fts5SegiterPoslist(pIter->pIndex, pSeg, &pIter->poslist);
    *pp = pIter->poslist.p;

  }
  return fts5IndexReturn(pIter->pIndex);
}

/*
** This function is similar to sqlite3Fts5IterPoslist(), except that it
** copies the position list into the buffer supplied as the second 
** argument.
*/
int sqlite3Fts5IterPoslistBuffer(Fts5IndexIter *pIter, Fts5Buffer *pBuf){
  Fts5Index *p = pIter->pIndex;


  assert( p->rc==SQLITE_OK );
  fts5BufferZero(pBuf);
  fts5MultiIterPoslist(p, pIter, 0, pBuf);
  return fts5IndexReturn(p);
}

/*
** Close an iterator opened by an earlier call to sqlite3Fts5IndexQuery().
*/
void sqlite3Fts5IterClose(Fts5IndexIter *pIter){
................................................................................
  const char *z,                  /* Index key to query for */
  int n,                          /* Size of index key in bytes */
  int flags,                      /* Flags for Fts5IndexQuery */
  u64 *pCksum                     /* IN/OUT: Checksum value */
){
  u64 cksum = *pCksum;
  Fts5IndexIter *pIdxIter = 0;
  int rc = sqlite3Fts5IndexQuery(p, z, n, flags, &pIdxIter);

  while( rc==SQLITE_OK && 0==sqlite3Fts5IterEof(pIdxIter) ){
    i64 dummy;
    const u8 *pPos;
    int nPos;
    i64 rowid = sqlite3Fts5IterRowid(pIdxIter);
    rc = sqlite3Fts5IterPoslist(pIdxIter, &pPos, &nPos, &dummy);
    if( rc==SQLITE_OK ){
      Fts5PoslistReader sReader;
      for(sqlite3Fts5PoslistReaderInit(-1, pPos, nPos, &sReader);
          sReader.bEof==0;
          sqlite3Fts5PoslistReaderNext(&sReader)
      ){
        int iCol = FTS5_POS2COLUMN(sReader.iPos);
        int iOff = FTS5_POS2OFFSET(sReader.iPos);
        cksum ^= fts5IndexEntryCksum(rowid, iCol, iOff, iIdx, z, n);
      }
................................................................................
    i64 iRowid = fts5MultiIterRowid(pIter);
    char *z = (char*)fts5MultiIterTerm(pIter, &n);

    /* If this is a new term, query for it. Update cksum3 with the results. */
    fts5TestTerm(p, &term, z, n, cksum2, &cksum3);

    poslist.n = 0;
    fts5MultiIterPoslist(p, pIter, 0, &poslist);
    while( 0==sqlite3Fts5PoslistNext64(poslist.p, poslist.n, &iOff, &iPos) ){
      int iCol = FTS5_POS2COLUMN(iPos);
      int iTokOff = FTS5_POS2OFFSET(iPos);
      cksum2 ^= fts5IndexEntryCksum(iRowid, iCol, iTokOff, -1, z, n);
    }
  }
  fts5TestTerm(p, &term, 0, 0, cksum2, &cksum3);
................................................................................
    *pRc = rc;
    return;
  }

  fts5DebugStructure(pRc, pBuf, p);
  fts5StructureRelease(p);
}
























/*
** Buffer (a/n) is assumed to contain a list of serialized varints. Read
** each varint and append its string representation to buffer pBuf. Return
** after either the input buffer is exhausted or a 0 value is read.
**
** The return value is the number of bytes read from the input buffer.
................................................................................
    for(fts5DlidxLvlNext(&lvl); lvl.bEof==0; fts5DlidxLvlNext(&lvl)){
      sqlite3Fts5BufferAppendPrintf(&rc, &s, 
          " %d(%lld)", lvl.iLeafPgno, lvl.iRowid
      );
    }
  }else if( iSegid==0 ){
    if( iRowid==FTS5_AVERAGES_ROWID ){
      /* todo */
    }else{
      fts5DecodeStructure(&rc, &s, a, n);
    }
  }else{
    Fts5Buffer term;              /* Current term read from page */
    int szLeaf;                   /* Offset of pgidx in a[] */
    int iPgidxOff;
................................................................................
    int iRowidOff = 0;
    int iOff;
    int nDoclist;

    memset(&term, 0, sizeof(Fts5Buffer));

    if( n<4 ){
      sqlite3Fts5BufferSet(&rc, &s, 8, (const u8*)"corrupt");
      goto decode_out;
    }else{
      iRowidOff = fts5GetU16(&a[0]);
      iPgidxOff = szLeaf = fts5GetU16(&a[2]);
      if( iPgidxOff<n ){
        fts5GetVarint32(&a[iPgidxOff], iTermOff);
      }







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287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
...
303
304
305
306
307
308
309
310


311
312
313
314
315
316
317
318
319
320
321
322
323
...
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
....
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
....
1476
1477
1478
1479
1480
1481
1482
1483
1484

1485
1486
1487
1488

1489
1490
1491
1492
1493
1494
1495
....
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
....
1937
1938
1939
1940
1941
1942
1943








1944
1945
1946
1947
1948
1949
1950
....
1983
1984
1985
1986
1987
1988
1989
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1991
1992
1993
1994
1995
1996
1997
....
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
....
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
....
3695
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3697
3698
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3703
3704
3705
3706
3707
3708
3709
3710
3711
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3713
3714
3715
3716
3717
....
3933
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4082
4083


4084
4085
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4095

4096
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4100
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4111

4112
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4117
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4155


4156
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4164
4165


4166




4167
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4198

4199
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4202
4203


4204

4205
4206
4207
4208
4209
4210
4211
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4216
4217
4218
4219
4220
....
4230
4231
4232
4233
4234
4235
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4240
4241
4242
4243
4244


4245
4246
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4249
4250


4251
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4260
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4264
4265
4266

4267
4268
4269
4270
4271
4272

4273
4274
4275
4276
4277
4278

4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
....
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
....
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353

4354
4355
4356
4357
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4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
....
4379
4380
4381
4382
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4385
4386
4387
4388
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4391
4392
4393
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4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
....
4495
4496
4497
4498
4499
4500
4501

4502
4503
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4508
....
4555
4556
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4563
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4567
4568
4569
....
4582
4583
4584
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4588
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4594
4595
4596
....
4626
4627
4628
4629
4630
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4636
4637
4638
4639
4640
....
4705
4706
4707
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4709
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4735
4736
4737
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4749
4750

4751
4752
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4755
4756
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4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780

4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
....
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
....
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
....
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
....
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
....
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
  ** Variables related to the accumulation of tokens and doclists within the
  ** in-memory hash tables before they are flushed to disk.
  */
  Fts5Hash *pHash;                /* Hash table for in-memory data */
  int nMaxPendingData;            /* Max pending data before flush to disk */
  int nPendingData;               /* Current bytes of pending data */
  i64 iWriteRowid;                /* Rowid for current doc being written */
  int bDelete;                    /* Current write is a delete */

  /* Error state. */
  int rc;                         /* Current error code */

  /* State used by the fts5DataXXX() functions. */
  sqlite3_blob *pReader;          /* RO incr-blob open on %_data table */
  sqlite3_stmt *pWriter;          /* "INSERT ... %_data VALUES(?,?)" */
................................................................................
  sqlite3_stmt *pIdxWriter;       /* "INSERT ... %_idx VALUES(?,?,?,?)" */
  sqlite3_stmt *pIdxDeleter;      /* "DELETE FROM %_idx WHERE segid=? */
  sqlite3_stmt *pIdxSelect;
  int nRead;                      /* Total number of blocks read */
};

struct Fts5DoclistIter {
  u8 *aEof;                       /* Pointer to 1 byte past end of doclist */



  /* Output variables. aPoslist==0 at EOF */
  i64 iRowid;
  u8 *aPoslist;
  int nPoslist;
  int nSize;
};

/*
** The contents of the "structure" record for each index are represented
** using an Fts5Structure record in memory. Which uses instances of the 
** other Fts5StructureXXX types as components.
*/
................................................................................
struct Fts5IndexIter {
  Fts5Index *pIndex;              /* Index that owns this iterator */
  Fts5Structure *pStruct;         /* Database structure for this iterator */
  Fts5Buffer poslist;             /* Buffer containing current poslist */

  int nSeg;                       /* Size of aSeg[] array */
  int bRev;                       /* True to iterate in reverse order */
  u8 bSkipEmpty;                  /* True to skip deleted entries */
  u8 bEof;                        /* True at EOF */
  u8 bFiltered;                   /* True if column-filter already applied */

  i64 iSwitchRowid;               /* Firstest rowid of other than aFirst[1] */
  Fts5CResult *aFirst;            /* Current merge state (see above) */
  Fts5SegIter aSeg[1];            /* Array of segment iterators */
};


................................................................................
** Argument p points to a buffer containing a varint to be interpreted as a
** position list size field. Read the varint and return the number of bytes
** read. Before returning, set *pnSz to the number of bytes in the position
** list, and *pbDel to true if the delete flag is set, or false otherwise.
*/
static int fts5GetPoslistSize(const u8 *p, int *pnSz, int *pbDel){
  int nSz;
  int n = 0;
  fts5FastGetVarint32(p, n, nSz);
  assert_nc( nSz>=0 );
  *pnSz = nSz/2;
  *pbDel = nSz & 0x0001;
  return n;
}

/*
................................................................................
**
** Leave Fts5SegIter.iLeafOffset pointing to the first byte of the 
** position list content (if any).
*/
static void fts5SegIterLoadNPos(Fts5Index *p, Fts5SegIter *pIter){
  if( p->rc==SQLITE_OK ){
    int iOff = pIter->iLeafOffset;  /* Offset to read at */
    int nSz;
    ASSERT_SZLEAF_OK(pIter->pLeaf);

    fts5FastGetVarint32(pIter->pLeaf->p, iOff, nSz);
    pIter->bDel = (nSz & 0x0001);
    pIter->nPos = nSz>>1;
    pIter->iLeafOffset = iOff;

  }
}

static void fts5SegIterLoadRowid(Fts5Index *p, Fts5SegIter *pIter){
  u8 *a = pIter->pLeaf->p;        /* Buffer to read data from */
  int iOff = pIter->iLeafOffset;

................................................................................
        }else{
          pIter->pLeaf->p = (u8*)pList;
          pIter->pLeaf->nn = nList;
          pIter->pLeaf->szLeaf = nList;
          pIter->iEndofDoclist = nList+1;
          sqlite3Fts5BufferSet(&p->rc, &pIter->term, strlen(zTerm), (u8*)zTerm);
          pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid);
          if( pbNewTerm ) *pbNewTerm = 1;
        }
      }else{
        iOff = 0;
        /* Next entry is not on the current page */
        while( iOff==0 ){
          fts5SegIterNextPage(p, pIter);
          pLeaf = pIter->pLeaf;
................................................................................
  ){
    return;
  }

  pIter->pDlidx = fts5DlidxIterInit(p, bRev, iSeg, pIter->iTermLeafPgno);
}









#define fts5IndexSkipVarint(a, iOff) {            \
  int iEnd = iOff+9;                              \
  while( (a[iOff++] & 0x80) && iOff<iEnd );       \
}

/*
** The iterator object passed as the second argument currently contains
................................................................................
  iPgidx = szLeaf;
  iPgidx += fts5GetVarint32(&a[iPgidx], iTermOff);
  iOff = iTermOff;

  while( 1 ){

    /* Figure out how many new bytes are in this term */
    fts5FastGetVarint32(a, iOff, nNew);
    if( nKeep<nMatch ){
      goto search_failed;
    }

    assert( nKeep>=nMatch );
    if( nKeep==nMatch ){
      int nCmp;
................................................................................
    }

    iPgidx += fts5GetVarint32(&a[iPgidx], nKeep);
    iTermOff += nKeep;
    iOff = iTermOff;

    /* Read the nKeep field of the next term. */
    fts5FastGetVarint32(a, iOff, nKeep);
  }

 search_failed:
  if( bGe==0 ){
    fts5DataRelease(pIter->pLeaf);
    pIter->pLeaf = 0;
    return;
................................................................................
  Fts5IndexIter **ppOut           /* New object */
){
  Fts5IndexIter *pNew;
  pNew = fts5MultiIterAlloc(p, 2);
  if( pNew ){
    Fts5SegIter *pIter = &pNew->aSeg[1];

    pNew->bFiltered = 1;
    pIter->flags = FTS5_SEGITER_ONETERM;
    if( pData->szLeaf>0 ){
      pIter->pLeaf = pData;
      pIter->iLeafOffset = fts5GetVarint(pData->p, (u64*)&pIter->iRowid);
      pIter->iEndofDoclist = pData->nn;
      pNew->aFirst[1].iFirst = 1;
      if( bDesc ){
................................................................................
      if( (ret + i) > nMax ) break;
      ret += i;
    }
  }
  return ret;
}

#define fts5BufferSafeAppendBlob(pBuf, pBlob, nBlob) {     \
  assert( (pBuf)->nSpace>=((pBuf)->n+nBlob) );             \
  memcpy(&(pBuf)->p[(pBuf)->n], pBlob, nBlob);             \
  (pBuf)->n += nBlob;                                      \
}

#define fts5BufferSafeAppendVarint(pBuf, iVal) {                \
  (pBuf)->n += sqlite3Fts5PutVarint(&(pBuf)->p[(pBuf)->n], (iVal));  \
  assert( (pBuf)->nSpace>=(pBuf)->n );                          \
}

/*
** Flush the contents of in-memory hash table iHash to a new level-0 
** segment on disk. Also update the corresponding structure record.
**
** If an error occurs, set the Fts5Index.rc error code. If an error has 
................................................................................
  fts5StructureRelease(pStruct);

  return fts5IndexReturn(p);
}

static void fts5PoslistCallback(
  Fts5Index *p, 
  void *pContext, 
  const u8 *pChunk, int nChunk
){
  assert_nc( nChunk>=0 );
  if( nChunk>0 ){
    fts5BufferSafeAppendBlob((Fts5Buffer*)pContext, pChunk, nChunk);
  }
}

typedef struct PoslistCallbackCtx PoslistCallbackCtx;
struct PoslistCallbackCtx {
  Fts5Buffer *pBuf;               /* Append to this buffer */
  Fts5Colset *pColset;            /* Restrict matches to this column */
  int eState;                     /* See above */
};

/*
** TODO: Make this more efficient!
*/
static int fts5IndexColsetTest(Fts5Colset *pColset, int iCol){
  int i;
  for(i=0; i<pColset->nCol; i++){
    if( pColset->aiCol[i]==iCol ) return 1;
  }
  return 0;
}

static void fts5PoslistFilterCallback(
  Fts5Index *p, 
  void *pContext, 
  const u8 *pChunk, int nChunk
){
  PoslistCallbackCtx *pCtx = (PoslistCallbackCtx*)pContext;
  assert_nc( nChunk>=0 );
  if( nChunk>0 ){
    /* Search through to find the first varint with value 1. This is the
    ** start of the next columns hits. */
    int i = 0;
    int iStart = 0;

    if( pCtx->eState==2 ){
      int iCol;
      fts5FastGetVarint32(pChunk, i, iCol);
      if( fts5IndexColsetTest(pCtx->pColset, iCol) ){
        pCtx->eState = 1;
        fts5BufferSafeAppendVarint(pCtx->pBuf, 1);
      }else{
        pCtx->eState = 0;
      }
    }

    do {
      while( i<nChunk && pChunk[i]!=0x01 ){
        while( pChunk[i] & 0x80 ) i++;
        i++;
      }
      if( pCtx->eState ){
        fts5BufferSafeAppendBlob(pCtx->pBuf, &pChunk[iStart], i-iStart);
      }
      if( i<nChunk ){
        int iCol;
        iStart = i;
        i++;
        if( i>=nChunk ){
          pCtx->eState = 2;
        }else{
          fts5FastGetVarint32(pChunk, i, iCol);
          pCtx->eState = fts5IndexColsetTest(pCtx->pColset, iCol);
          if( pCtx->eState ){
            fts5BufferSafeAppendBlob(pCtx->pBuf, &pChunk[iStart], i-iStart);
            iStart = i;
          }
        }
      }
    }while( i<nChunk );
  }
}

/*
** Iterator pIter currently points to a valid entry (not EOF). This
** function appends the position list data for the current entry to
** buffer pBuf. It does not make a copy of the position-list size
** field.
*/
static void fts5SegiterPoslist(
  Fts5Index *p,
  Fts5SegIter *pSeg,
  Fts5Colset *pColset,
  Fts5Buffer *pBuf
){
  if( 0==fts5BufferGrow(&p->rc, pBuf, pSeg->nPos) ){
    if( pColset==0 ){
      fts5ChunkIterate(p, pSeg, (void*)pBuf, fts5PoslistCallback);
    }else{
      PoslistCallbackCtx sCtx;
      sCtx.pBuf = pBuf;
      sCtx.pColset = pColset;
      sCtx.eState = pColset ? fts5IndexColsetTest(pColset, 0) : 1;
      assert( sCtx.eState==0 || sCtx.eState==1 );
      fts5ChunkIterate(p, pSeg, (void*)&sCtx, fts5PoslistFilterCallback);
    }
  }
}

/*
** IN/OUT parameter (*pa) points to a position list n bytes in size. If
** the position list contains entries for column iCol, then (*pa) is set
** to point to the sub-position-list for that column and the number of
** bytes in it returned. Or, if the argument position list does not
** contain any entries for column iCol, return 0.
*/
static int fts5IndexExtractCol(
  const u8 **pa,                  /* IN/OUT: Pointer to poslist */
  int n,                          /* IN: Size of poslist in bytes */
  int iCol                        /* Column to extract from poslist */
){
  int iCurrent = 0;               /* Anything before the first 0x01 is col 0 */
  const u8 *p = *pa;
  const u8 *pEnd = &p[n];         /* One byte past end of position list */
  u8 prev = 0;

  while( iCol!=iCurrent ){
    /* Advance pointer p until it points to pEnd or an 0x01 byte that is
    ** not part of a varint */
    while( (prev & 0x80) || *p!=0x01 ){
      prev = *p++;
      if( p==pEnd ) return 0;
    }
    *pa = p++;
    p += fts5GetVarint32(p, iCurrent);
  }

  /* Advance pointer p until it points to pEnd or an 0x01 byte that is
  ** not part of a varint */
  assert( (prev & 0x80)==0 );
  while( p<pEnd && ((prev & 0x80) || *p!=0x01) ){
    prev = *p++;
  }
  return p - (*pa);
}


/*
** Iterator pMulti currently points to a valid entry (not EOF). This


** function appends the following to buffer pBuf:
**
**   * The varint iDelta, and
**   * the position list that currently points to, including the size field.
**
** If argument pColset is NULL, then the position list is filtered according
** to pColset before being appended to the buffer. If this means there are
** no entries in the position list, nothing is appended to the buffer (not
** even iDelta).
**
** If an error occurs, an error code is left in p->rc. 

*/

static int fts5AppendPoslist(
  Fts5Index *p,
  i64 iDelta,
  Fts5IndexIter *pMulti,

  Fts5Colset *pColset,
  Fts5Buffer *pBuf
){
  if( p->rc==SQLITE_OK ){
    Fts5SegIter *pSeg = &pMulti->aSeg[ pMulti->aFirst[1].iFirst ];
    assert( fts5MultiIterEof(p, pMulti)==0 );
    assert( pSeg->nPos>0 );
    if( 0==fts5BufferGrow(&p->rc, pBuf, pSeg->nPos+9+9) ){
      int iSv1;
      int iSv2;
      int iData;


      /* Append iDelta */
      iSv1 = pBuf->n;
      fts5BufferSafeAppendVarint(pBuf, iDelta);

      /* WRITEPOSLISTSIZE */

      iSv2 = pBuf->n;
      fts5BufferSafeAppendVarint(pBuf, pSeg->nPos*2);
      iData = pBuf->n;

      if( pSeg->iLeafOffset+pSeg->nPos<=pSeg->pLeaf->szLeaf 
       && (pColset==0 || pColset->nCol==1)
      ){
        const u8 *pPos = &pSeg->pLeaf->p[pSeg->iLeafOffset];
        int nPos;
        if( pColset ){
          nPos = fts5IndexExtractCol(&pPos, pSeg->nPos, pColset->aiCol[0]);
        }else{
          nPos = pSeg->nPos;
        }
        fts5BufferSafeAppendBlob(pBuf, pPos, nPos);
      }else{
        fts5SegiterPoslist(p, pSeg, pColset, pBuf);
      }

      if( pColset ){
        int nActual = pBuf->n - iData;
        if( nActual!=pSeg->nPos ){
          if( nActual==0 ){
            pBuf->n = iSv1;
            return 1;
          }else{
            int nReq = sqlite3Fts5GetVarintLen((u32)(nActual*2));
            while( iSv2<(iData-nReq) ){ pBuf->p[iSv2++] = 0x80; }
            sqlite3Fts5PutVarint(&pBuf->p[iSv2], nActual*2);
          }
        }
      }
    }
  }

  return 0;
}

static void fts5DoclistIterNext(Fts5DoclistIter *pIter){


  u8 *p = pIter->aPoslist + pIter->nSize + pIter->nPoslist;

  assert( pIter->aPoslist );
  if( p>=pIter->aEof ){
    pIter->aPoslist = 0;
  }else{
    i64 iDelta;

    p += fts5GetVarint(p, (u64*)&iDelta);
    pIter->iRowid += iDelta;







    /* Read position list size */
    if( p[0] & 0x80 ){
      int nPos;
      pIter->nSize = fts5GetVarint32(p, nPos);
      pIter->nPoslist = (nPos>>1);
    }else{
      pIter->nPoslist = ((int)(p[0])) >> 1;
      pIter->nSize = 1;
    }

    pIter->aPoslist = p;
  }
}

static void fts5DoclistIterInit(
  Fts5Buffer *pBuf, 
  Fts5DoclistIter *pIter
){
  memset(pIter, 0, sizeof(*pIter));
  pIter->aPoslist = pBuf->p;
  pIter->aEof = &pBuf->p[pBuf->n];
  fts5DoclistIterNext(pIter);
}

#if 0
/*
** Append a doclist to buffer pBuf.
**
** This function assumes that space within the buffer has already been
** allocated.
*/
static void fts5MergeAppendDocid(

  Fts5Buffer *pBuf,               /* Buffer to write to */
  i64 *piLastRowid,               /* IN/OUT: Previous rowid written (if any) */
  i64 iRowid                      /* Rowid to append */
){
  assert( pBuf->n!=0 || (*piLastRowid)==0 );


  fts5BufferSafeAppendVarint(pBuf, iRowid - *piLastRowid);

  *piLastRowid = iRowid;
}
#endif

#define fts5MergeAppendDocid(pBuf, iLastRowid, iRowid) {       \
  assert( (pBuf)->n!=0 || (iLastRowid)==0 );                   \
  fts5BufferSafeAppendVarint((pBuf), (iRowid) - (iLastRowid)); \
  (iLastRowid) = (iRowid);                                     \
}

/*
** Buffers p1 and p2 contain doclists. This function merges the content
** of the two doclists together and sets buffer p1 to the result before
** returning.
**
** If an error occurs, an error code is left in p->rc. If an error has
................................................................................
    Fts5DoclistIter i1;
    Fts5DoclistIter i2;
    Fts5Buffer out;
    Fts5Buffer tmp;
    memset(&out, 0, sizeof(out));
    memset(&tmp, 0, sizeof(tmp));

    sqlite3Fts5BufferGrow(&p->rc, &out, p1->n + p2->n);
    fts5DoclistIterInit(p1, &i1);
    fts5DoclistIterInit(p2, &i2);
    while( p->rc==SQLITE_OK && (i1.aPoslist!=0 || i2.aPoslist!=0) ){
      if( i2.aPoslist==0 || (i1.aPoslist && i1.iRowid<i2.iRowid) ){
        /* Copy entry from i1 */
        fts5MergeAppendDocid(&out, iLastRowid, i1.iRowid);
        fts5BufferSafeAppendBlob(&out, i1.aPoslist, i1.nPoslist+i1.nSize);


        fts5DoclistIterNext(&i1);
      }
      else if( i1.aPoslist==0 || i2.iRowid!=i1.iRowid ){
        /* Copy entry from i2 */
        fts5MergeAppendDocid(&out, iLastRowid, i2.iRowid);
        fts5BufferSafeAppendBlob(&out, i2.aPoslist, i2.nPoslist+i2.nSize);


        fts5DoclistIterNext(&i2);
      }
      else{
        i64 iPos1 = 0;
        i64 iPos2 = 0;
        int iOff1 = 0;
        int iOff2 = 0;
        u8 *a1 = &i1.aPoslist[i1.nSize];
        u8 *a2 = &i2.aPoslist[i2.nSize];

        Fts5PoslistWriter writer;
        memset(&writer, 0, sizeof(writer));

        /* Merge the two position lists. */ 
        fts5MergeAppendDocid(&out, iLastRowid, i2.iRowid);
        fts5BufferZero(&tmp);


        sqlite3Fts5PoslistNext64(a1, i1.nPoslist, &iOff1, &iPos1);
        sqlite3Fts5PoslistNext64(a2, i2.nPoslist, &iOff2, &iPos2);

        while( p->rc==SQLITE_OK && (iPos1>=0 || iPos2>=0) ){
          i64 iNew;

          if( iPos2<0 || (iPos1>=0 && iPos1<iPos2) ){
            iNew = iPos1;
            sqlite3Fts5PoslistNext64(a1, i1.nPoslist, &iOff1, &iPos1);
          }else{
            iNew = iPos2;
            sqlite3Fts5PoslistNext64(a2, i2.nPoslist, &iOff2, &iPos2);

            if( iPos1==iPos2 ){
              sqlite3Fts5PoslistNext64(a1, i1.nPoslist, &iOff1,&iPos1);
            }
          }
          p->rc = sqlite3Fts5PoslistWriterAppend(&tmp, &writer, iNew);
        }

        /* WRITEPOSLISTSIZE */
        fts5BufferSafeAppendVarint(&out, tmp.n * 2);
        fts5BufferSafeAppendBlob(&out, tmp.p, tmp.n);
        fts5DoclistIterNext(&i1);
        fts5DoclistIterNext(&i2);
      }
    }

    fts5BufferSet(&p->rc, p1, out.n, out.p);
    fts5BufferFree(&tmp);
................................................................................
}

static void fts5SetupPrefixIter(
  Fts5Index *p,                   /* Index to read from */
  int bDesc,                      /* True for "ORDER BY rowid DESC" */
  const u8 *pToken,               /* Buffer containing prefix to match */
  int nToken,                     /* Size of buffer pToken in bytes */
  Fts5Colset *pColset,            /* Restrict matches to these columns */
  Fts5IndexIter **ppIter          /* OUT: New iterator */
){
  Fts5Structure *pStruct;
  Fts5Buffer *aBuf;
  const int nBuf = 32;

  aBuf = (Fts5Buffer*)fts5IdxMalloc(p, sizeof(Fts5Buffer)*nBuf);
  pStruct = fts5StructureRead(p);
................................................................................
            fts5BufferSwap(&doclist, &aBuf[i]);
            fts5BufferZero(&doclist);
          }else{
            fts5MergePrefixLists(p, &doclist, &aBuf[i]);
            fts5BufferZero(&aBuf[i]);
          }
        }
        iLastRowid = 0;
      }


      if( !fts5AppendPoslist(p, iRowid-iLastRowid, p1, pColset, &doclist) ){
        iLastRowid = iRowid;
      }
    }

    for(i=0; i<nBuf; i++){
      if( p->rc==SQLITE_OK ){
        fts5MergePrefixLists(p, &doclist, &aBuf[i]);
      }
      fts5BufferFree(&aBuf[i]);
    }
    fts5MultiIterFree(p, p1);

    pData = fts5IdxMalloc(p, sizeof(Fts5Data) + doclist.n);
    if( pData ){
      pData->p = (u8*)&pData[1];
................................................................................
}


/*
** Indicate that all subsequent calls to sqlite3Fts5IndexWrite() pertain
** to the document with rowid iRowid.
*/
int sqlite3Fts5IndexBeginWrite(Fts5Index *p, int bDelete, i64 iRowid){
  assert( p->rc==SQLITE_OK );

  /* Allocate the hash table if it has not already been allocated */
  if( p->pHash==0 ){
    p->rc = sqlite3Fts5HashNew(&p->pHash, &p->nPendingData);
  }

  /* Flush the hash table to disk if required */
  if( iRowid<p->iWriteRowid 
   || (iRowid==p->iWriteRowid && p->bDelete==0)
   || (p->nPendingData > p->nMaxPendingData) 
  ){
    fts5IndexFlush(p);
  }

  p->iWriteRowid = iRowid;
  p->bDelete = bDelete;
  return fts5IndexReturn(p);
}

/*
** Commit data to disk.
*/
int sqlite3Fts5IndexSync(Fts5Index *p, int bCommit){
................................................................................
    assert( p->pReader==0 );
    sqlite3_finalize(p->pWriter);
    sqlite3_finalize(p->pDeleter);
    sqlite3_finalize(p->pIdxWriter);
    sqlite3_finalize(p->pIdxDeleter);
    sqlite3_finalize(p->pIdxSelect);
    sqlite3Fts5HashFree(p->pHash);

    sqlite3_free(p->zDataTbl);
    sqlite3_free(p);
  }
  return rc;
}

/*
................................................................................
  const char *pToken, int nToken  /* Token to add or remove to or from index */
){
  int i;                          /* Used to iterate through indexes */
  int rc = SQLITE_OK;             /* Return code */
  Fts5Config *pConfig = p->pConfig;

  assert( p->rc==SQLITE_OK );
  assert( (iCol<0)==p->bDelete );

  /* Add the entry to the main terms index. */
  rc = sqlite3Fts5HashWrite(
      p->pHash, p->iWriteRowid, iCol, iPos, FTS5_MAIN_PREFIX, pToken, nToken
  );

  for(i=0; i<pConfig->nPrefix && rc==SQLITE_OK; i++){
................................................................................
** Open a new iterator to iterate though all rowid that match the 
** specified token or token prefix.
*/
int sqlite3Fts5IndexQuery(
  Fts5Index *p,                   /* FTS index to query */
  const char *pToken, int nToken, /* Token (or prefix) to query for */
  int flags,                      /* Mask of FTS5INDEX_QUERY_X flags */
  Fts5Colset *pColset,            /* Match these columns only */
  Fts5IndexIter **ppIter          /* OUT: New iterator object */
){
  Fts5Config *pConfig = p->pConfig;
  Fts5IndexIter *pRet = 0;
  int iIdx = 0;
  Fts5Buffer buf = {0, 0, 0};

................................................................................
      if( pStruct ){
        fts5MultiIterNew(p, pStruct, 1, flags, buf.p, nToken+1, -1, 0, &pRet);
        fts5StructureRelease(pStruct);
      }
    }else{
      int bDesc = (flags & FTS5INDEX_QUERY_DESC)!=0;
      buf.p[0] = FTS5_MAIN_PREFIX;
      fts5SetupPrefixIter(p, bDesc, buf.p, nToken+1, pColset, &pRet);
    }

    if( p->rc ){
      sqlite3Fts5IterClose(pRet);
      pRet = 0;
      fts5CloseReader(p);
    }
................................................................................
const char *sqlite3Fts5IterTerm(Fts5IndexIter *pIter, int *pn){
  int n;
  const char *z = (const char*)fts5MultiIterTerm(pIter, &n);
  *pn = n-1;
  return &z[1];
}


static int fts5IndexExtractColset (
  Fts5Colset *pColset,            /* Colset to filter on */
  const u8 *pPos, int nPos,       /* Position list */
  Fts5Buffer *pBuf                /* Output buffer */
){
  int rc = SQLITE_OK;
  int i;

  fts5BufferZero(pBuf);
  for(i=0; i<pColset->nCol; i++){
    const u8 *pSub = pPos;
    int nSub = fts5IndexExtractCol(&pSub, nPos, pColset->aiCol[i]);
    if( nSub ){
      fts5BufferAppendBlob(&rc, pBuf, nSub, pSub);
    }
  }
  return rc;
}


/*
** Return a pointer to a buffer containing a copy of the position list for
** the current entry. Output variable *pn is set to the size of the buffer 
** in bytes before returning.
**
** The returned position list does not include the "number of bytes" varint
** field that starts the position list on disk.
*/
int sqlite3Fts5IterPoslist(
  Fts5IndexIter *pIter, 
  Fts5Colset *pColset,            /* Column filter (or NULL) */
  const u8 **pp,                  /* OUT: Pointer to position-list data */
  int *pn,                        /* OUT: Size of position-list in bytes */
  i64 *piRowid                    /* OUT: Current rowid */
){
  Fts5SegIter *pSeg = &pIter->aSeg[ pIter->aFirst[1].iFirst ];
  assert( pIter->pIndex->rc==SQLITE_OK );
  *piRowid = pSeg->iRowid;

  if( pSeg->iLeafOffset+pSeg->nPos<=pSeg->pLeaf->szLeaf ){
    u8 *pPos = &pSeg->pLeaf->p[pSeg->iLeafOffset];
    if( pColset==0 || pIter->bFiltered ){
      *pn = pSeg->nPos;
      *pp = pPos;
    }else if( pColset->nCol==1 ){
      *pp = pPos;
      *pn = fts5IndexExtractCol(pp, pSeg->nPos, pColset->aiCol[0]);
    }else{
      fts5BufferZero(&pIter->poslist);
      fts5IndexExtractColset(pColset, pPos, pSeg->nPos, &pIter->poslist);
      *pp = pIter->poslist.p;
      *pn = pIter->poslist.n;
    }
  }else{
    fts5BufferZero(&pIter->poslist);
    fts5SegiterPoslist(pIter->pIndex, pSeg, pColset, &pIter->poslist);
    *pp = pIter->poslist.p;
    *pn = pIter->poslist.n;
  }
  return fts5IndexReturn(pIter->pIndex);
}

/*
** This function is similar to sqlite3Fts5IterPoslist(), except that it
** copies the position list into the buffer supplied as the second 
** argument.
*/
int sqlite3Fts5IterPoslistBuffer(Fts5IndexIter *pIter, Fts5Buffer *pBuf){
  Fts5Index *p = pIter->pIndex;

  Fts5SegIter *pSeg = &pIter->aSeg[ pIter->aFirst[1].iFirst ];
  assert( p->rc==SQLITE_OK );
  fts5BufferZero(pBuf);
  fts5SegiterPoslist(p, pSeg, 0, pBuf);
  return fts5IndexReturn(p);
}

/*
** Close an iterator opened by an earlier call to sqlite3Fts5IndexQuery().
*/
void sqlite3Fts5IterClose(Fts5IndexIter *pIter){
................................................................................
  const char *z,                  /* Index key to query for */
  int n,                          /* Size of index key in bytes */
  int flags,                      /* Flags for Fts5IndexQuery */
  u64 *pCksum                     /* IN/OUT: Checksum value */
){
  u64 cksum = *pCksum;
  Fts5IndexIter *pIdxIter = 0;
  int rc = sqlite3Fts5IndexQuery(p, z, n, flags, 0, &pIdxIter);

  while( rc==SQLITE_OK && 0==sqlite3Fts5IterEof(pIdxIter) ){
    i64 dummy;
    const u8 *pPos;
    int nPos;
    i64 rowid = sqlite3Fts5IterRowid(pIdxIter);
    rc = sqlite3Fts5IterPoslist(pIdxIter, 0, &pPos, &nPos, &dummy);
    if( rc==SQLITE_OK ){
      Fts5PoslistReader sReader;
      for(sqlite3Fts5PoslistReaderInit(pPos, nPos, &sReader);
          sReader.bEof==0;
          sqlite3Fts5PoslistReaderNext(&sReader)
      ){
        int iCol = FTS5_POS2COLUMN(sReader.iPos);
        int iOff = FTS5_POS2OFFSET(sReader.iPos);
        cksum ^= fts5IndexEntryCksum(rowid, iCol, iOff, iIdx, z, n);
      }
................................................................................
    i64 iRowid = fts5MultiIterRowid(pIter);
    char *z = (char*)fts5MultiIterTerm(pIter, &n);

    /* If this is a new term, query for it. Update cksum3 with the results. */
    fts5TestTerm(p, &term, z, n, cksum2, &cksum3);

    poslist.n = 0;
    fts5SegiterPoslist(p, &pIter->aSeg[pIter->aFirst[1].iFirst] , 0, &poslist);
    while( 0==sqlite3Fts5PoslistNext64(poslist.p, poslist.n, &iOff, &iPos) ){
      int iCol = FTS5_POS2COLUMN(iPos);
      int iTokOff = FTS5_POS2OFFSET(iPos);
      cksum2 ^= fts5IndexEntryCksum(iRowid, iCol, iTokOff, -1, z, n);
    }
  }
  fts5TestTerm(p, &term, 0, 0, cksum2, &cksum3);
................................................................................
    *pRc = rc;
    return;
  }

  fts5DebugStructure(pRc, pBuf, p);
  fts5StructureRelease(p);
}

/*
** This is part of the fts5_decode() debugging aid.
**
** Arguments pBlob/nBlob contain an "averages" record. This function 
** appends a human-readable representation of record to the buffer passed 
** as the second argument. 
*/
static void fts5DecodeAverages(
  int *pRc,                       /* IN/OUT: error code */
  Fts5Buffer *pBuf,
  const u8 *pBlob, int nBlob
){
  int i = 0;
  const char *zSpace = "";

  while( i<nBlob ){
    u64 iVal;
    i += sqlite3Fts5GetVarint(&pBlob[i], &iVal);
    sqlite3Fts5BufferAppendPrintf(pRc, pBuf, "%s%d", zSpace, (int)iVal);
    zSpace = " ";
  }
}

/*
** Buffer (a/n) is assumed to contain a list of serialized varints. Read
** each varint and append its string representation to buffer pBuf. Return
** after either the input buffer is exhausted or a 0 value is read.
**
** The return value is the number of bytes read from the input buffer.
................................................................................
    for(fts5DlidxLvlNext(&lvl); lvl.bEof==0; fts5DlidxLvlNext(&lvl)){
      sqlite3Fts5BufferAppendPrintf(&rc, &s, 
          " %d(%lld)", lvl.iLeafPgno, lvl.iRowid
      );
    }
  }else if( iSegid==0 ){
    if( iRowid==FTS5_AVERAGES_ROWID ){
      fts5DecodeAverages(&rc, &s, a, n);
    }else{
      fts5DecodeStructure(&rc, &s, a, n);
    }
  }else{
    Fts5Buffer term;              /* Current term read from page */
    int szLeaf;                   /* Offset of pgidx in a[] */
    int iPgidxOff;
................................................................................
    int iRowidOff = 0;
    int iOff;
    int nDoclist;

    memset(&term, 0, sizeof(Fts5Buffer));

    if( n<4 ){
      sqlite3Fts5BufferSet(&rc, &s, 7, (const u8*)"corrupt");
      goto decode_out;
    }else{
      iRowidOff = fts5GetU16(&a[0]);
      iPgidxOff = szLeaf = fts5GetU16(&a[2]);
      if( iPgidxOff<n ){
        fts5GetVarint32(&a[iPgidxOff], iTermOff);
      }

Changes to ext/fts5/fts5_main.c.

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*/
#define FTS5_PLAN_MATCH          1       /* (<tbl> MATCH ?) */
#define FTS5_PLAN_SOURCE         2       /* A source cursor for SORTED_MATCH */
#define FTS5_PLAN_SPECIAL        3       /* An internal query */
#define FTS5_PLAN_SORTED_MATCH   4       /* (<tbl> MATCH ? ORDER BY rank) */
#define FTS5_PLAN_SCAN           5       /* No usable constraint */
#define FTS5_PLAN_ROWID          6       /* (rowid = ?) */














/*
** Implementation of the xBestIndex method for FTS5 tables. Within the 
** WHERE constraint, it searches for the following:
**
**   1. A MATCH constraint against the special column.
**   2. A MATCH constraint against the "rank" column.
................................................................................
  struct Constraint {
    int op;                       /* Mask against sqlite3_index_constraint.op */
    int fts5op;                   /* FTS5 mask for idxFlags */
    int iCol;                     /* 0==rowid, 1==tbl, 2==rank */
    int omit;                     /* True to omit this if found */
    int iConsIndex;               /* Index in pInfo->aConstraint[] */
  } aConstraint[] = {

    {SQLITE_INDEX_CONSTRAINT_MATCH, FTS5_BI_MATCH,    1, 1, -1},

    {SQLITE_INDEX_CONSTRAINT_MATCH, FTS5_BI_RANK,     2, 1, -1},
    {SQLITE_INDEX_CONSTRAINT_EQ,    FTS5_BI_ROWID_EQ, 0, 0, -1},
    {SQLITE_INDEX_CONSTRAINT_LT|SQLITE_INDEX_CONSTRAINT_LE, 
                                    FTS5_BI_ROWID_LE, 0, 0, -1},
    {SQLITE_INDEX_CONSTRAINT_GT|SQLITE_INDEX_CONSTRAINT_GE, 
                                    FTS5_BI_ROWID_GE, 0, 0, -1},
  };

................................................................................
    }
  }

  /* Calculate the estimated cost based on the flags set in idxFlags. */
  bHasMatch = BitFlagTest(idxFlags, FTS5_BI_MATCH);
  if( BitFlagTest(idxFlags, FTS5_BI_ROWID_EQ) ){
    pInfo->estimatedCost = bHasMatch ? 100.0 : 10.0;

  }else if( BitFlagAllTest(idxFlags, FTS5_BI_ROWID_LE|FTS5_BI_ROWID_GE) ){
    pInfo->estimatedCost = bHasMatch ? 500.0 : 250000.0;
  }else if( BitFlagTest(idxFlags, FTS5_BI_ROWID_LE|FTS5_BI_ROWID_GE) ){
    pInfo->estimatedCost = bHasMatch ? 750.0 : 750000.0;
  }else{
    pInfo->estimatedCost = bHasMatch ? 1000.0 : 1000000.0;
  }
................................................................................
**
** The commands implemented by this function are documented in the "Special
** INSERT Directives" section of the documentation. It should be updated if
** more commands are added to this function.
*/
static int fts5SpecialInsert(
  Fts5Table *pTab,                /* Fts5 table object */
  sqlite3_value *pCmd,            /* Value inserted into special column */
  sqlite3_value *pVal             /* Value inserted into rank column */
){
  Fts5Config *pConfig = pTab->pConfig;
  const char *z = (const char*)sqlite3_value_text(pCmd);
  int rc = SQLITE_OK;
  int bError = 0;

  if( 0==sqlite3_stricmp("delete-all", z) ){
    if( pConfig->eContent==FTS5_CONTENT_NORMAL ){
      fts5SetVtabError(pTab, 
          "'delete-all' may only be used with a "
          "contentless or external content fts5 table"
      );
      rc = SQLITE_ERROR;
    }else{
      rc = sqlite3Fts5StorageDeleteAll(pTab->pStorage);
    }
  }else if( 0==sqlite3_stricmp("rebuild", z) ){
    if( pConfig->eContent==FTS5_CONTENT_NONE ){
      fts5SetVtabError(pTab, 
          "'rebuild' may not be used with a contentless fts5 table"
      );
      rc = SQLITE_ERROR;
    }else{
      rc = sqlite3Fts5StorageRebuild(pTab->pStorage);
    }
  }else if( 0==sqlite3_stricmp("optimize", z) ){
    rc = sqlite3Fts5StorageOptimize(pTab->pStorage);
  }else if( 0==sqlite3_stricmp("merge", z) ){
    int nMerge = sqlite3_value_int(pVal);
    rc = sqlite3Fts5StorageMerge(pTab->pStorage, nMerge);
  }else if( 0==sqlite3_stricmp("integrity-check", z) ){
    rc = sqlite3Fts5StorageIntegrity(pTab->pStorage);
#ifdef SQLITE_DEBUG
  }else if( 0==sqlite3_stricmp("prefix-index", z) ){
    pConfig->bPrefixIndex = sqlite3_value_int(pVal);
#endif
  }else{
    rc = sqlite3Fts5IndexLoadConfig(pTab->pIndex);
    if( rc==SQLITE_OK ){
      rc = sqlite3Fts5ConfigSetValue(pTab->pConfig, z, pVal, &bError);
    }
    if( rc==SQLITE_OK ){
      if( bError ){
        rc = SQLITE_ERROR;
      }else{
        rc = sqlite3Fts5StorageConfigValue(pTab->pStorage, z, pVal, 0);
      }
    }
  }
  return rc;
}

static int fts5SpecialDelete(
................................................................................
  int eType1 = sqlite3_value_type(apVal[1]);
  if( eType1==SQLITE_INTEGER ){
    sqlite3_int64 iDel = sqlite3_value_int64(apVal[1]);
    rc = sqlite3Fts5StorageSpecialDelete(pTab->pStorage, iDel, &apVal[2]);
  }
  return rc;
}

















/* 
** This function is the implementation of the xUpdate callback used by 
** FTS3 virtual tables. It is invoked by SQLite each time a row is to be
** inserted, updated or deleted.









*/
static int fts5UpdateMethod(
  sqlite3_vtab *pVtab,            /* Virtual table handle */
  int nArg,                       /* Size of argument array */
  sqlite3_value **apVal,          /* Array of arguments */
  sqlite_int64 *pRowid            /* OUT: The affected (or effected) rowid */
){
  Fts5Table *pTab = (Fts5Table*)pVtab;
  Fts5Config *pConfig = pTab->pConfig;
  int eType0;                     /* value_type() of apVal[0] */
  int eConflict;                  /* ON CONFLICT for this DML */
  int rc = SQLITE_OK;             /* Return code */

  /* A transaction must be open when this is called. */
  assert( pTab->ts.eState==1 );







  assert( pTab->pConfig->pzErrmsg==0 );
  pTab->pConfig->pzErrmsg = &pTab->base.zErrMsg;

  /* A delete specifies a single argument - the rowid of the row to remove.
  ** Update and insert operations pass:
  **
  **   1. The "old" rowid, or NULL.
  **   2. The "new" rowid.
  **   3. Values for each of the nCol matchable columns.
  **   4. Values for the two hidden columns (<tablename> and "rank").
  */

  eType0 = sqlite3_value_type(apVal[0]);
























  eConflict = sqlite3_vtab_on_conflict(pConfig->db);

  assert( eType0==SQLITE_INTEGER || eType0==SQLITE_NULL );
  assert( pVtab->zErrMsg==0 );
  assert( (nArg==1 && eType0==SQLITE_INTEGER) || nArg==(2+pConfig->nCol+2) );


  fts5TripCursors(pTab);


  if( eType0==SQLITE_INTEGER ){
    if( fts5IsContentless(pTab) ){
      pTab->base.zErrMsg = sqlite3_mprintf(
          "cannot %s contentless fts5 table: %s", 
          (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName
      );
      rc = SQLITE_ERROR;
    }else{




      i64 iDel = sqlite3_value_int64(apVal[0]);  /* Rowid to delete */
      rc = sqlite3Fts5StorageDelete(pTab->pStorage, iDel);
    }
  }else{

    sqlite3_value *pCmd = apVal[2 + pConfig->nCol];
    assert( nArg>1 );


    if( SQLITE_NULL!=sqlite3_value_type(pCmd) ){
      const char *z = (const char*)sqlite3_value_text(pCmd);
      if( pConfig->eContent!=FTS5_CONTENT_NORMAL 
       && 0==sqlite3_stricmp("delete", z) 
      ){



        rc = fts5SpecialDelete(pTab, apVal, pRowid);



      }else{
        rc = fts5SpecialInsert(pTab, pCmd, apVal[2 + pConfig->nCol + 1]);







      }
      goto update_method_out;














    }
  }


  if( rc==SQLITE_OK && nArg>1 ){
    rc = sqlite3Fts5StorageInsert(pTab->pStorage, apVal, eConflict, pRowid);
  }

 update_method_out:
  pTab->pConfig->pzErrmsg = 0;
  return rc;
}

/*
** Implementation of xSync() method. 
*/
................................................................................
    int nInst = 0;                /* Number instances seen so far */
    int i;

    /* Initialize all iterators */
    for(i=0; i<nIter; i++){
      const u8 *a;
      int n = fts5CsrPoslist(pCsr, i, &a);
      sqlite3Fts5PoslistReaderInit(-1, a, n, &aIter[i]);
    }

    while( 1 ){
      int *aInst;
      int iBest = -1;
      for(i=0; i<nIter; i++){
        if( (aIter[i].bEof==0) 
................................................................................
  fts5_extension_function xFunc,  /* Aux. function implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  int rc = sqlite3_overload_function(pGlobal->db, zName, -1);
  if( rc==SQLITE_OK ){
    Fts5Auxiliary *pAux;

    int nByte;                      /* Bytes of space to allocate */


    nByte = sizeof(Fts5Auxiliary) + strlen(zName) + 1;
    pAux = (Fts5Auxiliary*)sqlite3_malloc(nByte);
    if( pAux ){
      memset(pAux, 0, nByte);
      pAux->zFunc = (char*)&pAux[1];
      strcpy(pAux->zFunc, zName);
      pAux->pGlobal = pGlobal;
      pAux->pUserData = pUserData;
      pAux->xFunc = xFunc;
      pAux->xDestroy = xDestroy;
      pAux->pNext = pGlobal->pAux;
      pGlobal->pAux = pAux;
    }else{
................................................................................
  const char *zName,              /* Name of new function */
  void *pUserData,                /* User data for aux. function */
  fts5_tokenizer *pTokenizer,     /* Tokenizer implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  Fts5TokenizerModule *pNew;

  int nByte;                      /* Bytes of space to allocate */
  int rc = SQLITE_OK;


  nByte = sizeof(Fts5TokenizerModule) + strlen(zName) + 1;
  pNew = (Fts5TokenizerModule*)sqlite3_malloc(nByte);
  if( pNew ){
    memset(pNew, 0, nByte);
    pNew->zName = (char*)&pNew[1];
    strcpy(pNew->zName, zName);
    pNew->pUserData = pUserData;
    pNew->x = *pTokenizer;
    pNew->xDestroy = xDestroy;
    pNew->pNext = pGlobal->pTok;
    pGlobal->pTok = pNew;
    if( pNew->pNext==0 ){
      pGlobal->pDfltTok = pNew;
................................................................................
  int nArg,                       /* Number of args */
  sqlite3_value **apVal           /* Function arguments */
){
  assert( nArg==0 );
  sqlite3_result_text(pCtx, "--FTS5-SOURCE-ID--", -1, SQLITE_TRANSIENT);
}

#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_fts5_init(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
    /* xBestIndex    */ fts5BestIndexMethod,
    /* xDisconnect   */ fts5DisconnectMethod,
    /* xDestroy      */ fts5DestroyMethod,
................................................................................
    /* xRelease      */ fts5ReleaseMethod,
    /* xRollbackTo   */ fts5RollbackToMethod,
  };

  int rc;
  Fts5Global *pGlobal = 0;

  SQLITE_EXTENSION_INIT2(pApi);

  pGlobal = (Fts5Global*)sqlite3_malloc(sizeof(Fts5Global));
  if( pGlobal==0 ){
    rc = SQLITE_NOMEM;
  }else{
    void *p = (void*)pGlobal;
    memset(pGlobal, 0, sizeof(Fts5Global));
    pGlobal->db = db;
................................................................................
          db, "fts5_source_id", 0, SQLITE_UTF8, p, fts5SourceIdFunc, 0, 0
      );
    }
  }
  return rc;
}











#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_fts_init(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  return sqlite3_fts5_init(db, pzErrMsg, pApi);


}

























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*/
#define FTS5_PLAN_MATCH          1       /* (<tbl> MATCH ?) */
#define FTS5_PLAN_SOURCE         2       /* A source cursor for SORTED_MATCH */
#define FTS5_PLAN_SPECIAL        3       /* An internal query */
#define FTS5_PLAN_SORTED_MATCH   4       /* (<tbl> MATCH ? ORDER BY rank) */
#define FTS5_PLAN_SCAN           5       /* No usable constraint */
#define FTS5_PLAN_ROWID          6       /* (rowid = ?) */

/*
** Set the SQLITE_INDEX_SCAN_UNIQUE flag in pIdxInfo->flags. Unless this
** extension is currently being used by a version of SQLite too old to
** support index-info flags. In that case this function is a no-op.
*/
static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){
#if SQLITE_VERSION_NUMBER>=3008012
  if( sqlite3_libversion_number()>=3008012 ){
    pIdxInfo->idxFlags |= SQLITE_INDEX_SCAN_UNIQUE;
  }
#endif
}

/*
** Implementation of the xBestIndex method for FTS5 tables. Within the 
** WHERE constraint, it searches for the following:
**
**   1. A MATCH constraint against the special column.
**   2. A MATCH constraint against the "rank" column.
................................................................................
  struct Constraint {
    int op;                       /* Mask against sqlite3_index_constraint.op */
    int fts5op;                   /* FTS5 mask for idxFlags */
    int iCol;                     /* 0==rowid, 1==tbl, 2==rank */
    int omit;                     /* True to omit this if found */
    int iConsIndex;               /* Index in pInfo->aConstraint[] */
  } aConstraint[] = {
    {SQLITE_INDEX_CONSTRAINT_MATCH|SQLITE_INDEX_CONSTRAINT_EQ, 
                                    FTS5_BI_MATCH,    1, 1, -1},
    {SQLITE_INDEX_CONSTRAINT_MATCH|SQLITE_INDEX_CONSTRAINT_EQ, 
                                    FTS5_BI_RANK,     2, 1, -1},
    {SQLITE_INDEX_CONSTRAINT_EQ,    FTS5_BI_ROWID_EQ, 0, 0, -1},
    {SQLITE_INDEX_CONSTRAINT_LT|SQLITE_INDEX_CONSTRAINT_LE, 
                                    FTS5_BI_ROWID_LE, 0, 0, -1},
    {SQLITE_INDEX_CONSTRAINT_GT|SQLITE_INDEX_CONSTRAINT_GE, 
                                    FTS5_BI_ROWID_GE, 0, 0, -1},
  };

................................................................................
    }
  }

  /* Calculate the estimated cost based on the flags set in idxFlags. */
  bHasMatch = BitFlagTest(idxFlags, FTS5_BI_MATCH);
  if( BitFlagTest(idxFlags, FTS5_BI_ROWID_EQ) ){
    pInfo->estimatedCost = bHasMatch ? 100.0 : 10.0;
    if( bHasMatch==0 ) fts5SetUniqueFlag(pInfo);
  }else if( BitFlagAllTest(idxFlags, FTS5_BI_ROWID_LE|FTS5_BI_ROWID_GE) ){
    pInfo->estimatedCost = bHasMatch ? 500.0 : 250000.0;
  }else if( BitFlagTest(idxFlags, FTS5_BI_ROWID_LE|FTS5_BI_ROWID_GE) ){
    pInfo->estimatedCost = bHasMatch ? 750.0 : 750000.0;
  }else{
    pInfo->estimatedCost = bHasMatch ? 1000.0 : 1000000.0;
  }
................................................................................
**
** The commands implemented by this function are documented in the "Special
** INSERT Directives" section of the documentation. It should be updated if
** more commands are added to this function.
*/
static int fts5SpecialInsert(
  Fts5Table *pTab,                /* Fts5 table object */
  const char *zCmd,               /* Text inserted into table-name column */
  sqlite3_value *pVal             /* Value inserted into rank column */
){
  Fts5Config *pConfig = pTab->pConfig;

  int rc = SQLITE_OK;
  int bError = 0;

  if( 0==sqlite3_stricmp("delete-all", zCmd) ){
    if( pConfig->eContent==FTS5_CONTENT_NORMAL ){
      fts5SetVtabError(pTab, 
          "'delete-all' may only be used with a "
          "contentless or external content fts5 table"
      );
      rc = SQLITE_ERROR;
    }else{
      rc = sqlite3Fts5StorageDeleteAll(pTab->pStorage);
    }
  }else if( 0==sqlite3_stricmp("rebuild", zCmd) ){
    if( pConfig->eContent==FTS5_CONTENT_NONE ){
      fts5SetVtabError(pTab, 
          "'rebuild' may not be used with a contentless fts5 table"
      );
      rc = SQLITE_ERROR;
    }else{
      rc = sqlite3Fts5StorageRebuild(pTab->pStorage);
    }
  }else if( 0==sqlite3_stricmp("optimize", zCmd) ){
    rc = sqlite3Fts5StorageOptimize(pTab->pStorage);
  }else if( 0==sqlite3_stricmp("merge", zCmd) ){
    int nMerge = sqlite3_value_int(pVal);
    rc = sqlite3Fts5StorageMerge(pTab->pStorage, nMerge);
  }else if( 0==sqlite3_stricmp("integrity-check", zCmd) ){
    rc = sqlite3Fts5StorageIntegrity(pTab->pStorage);
#ifdef SQLITE_DEBUG
  }else if( 0==sqlite3_stricmp("prefix-index", zCmd) ){
    pConfig->bPrefixIndex = sqlite3_value_int(pVal);
#endif
  }else{
    rc = sqlite3Fts5IndexLoadConfig(pTab->pIndex);
    if( rc==SQLITE_OK ){
      rc = sqlite3Fts5ConfigSetValue(pTab->pConfig, zCmd, pVal, &bError);
    }
    if( rc==SQLITE_OK ){
      if( bError ){
        rc = SQLITE_ERROR;
      }else{
        rc = sqlite3Fts5StorageConfigValue(pTab->pStorage, zCmd, pVal, 0);
      }
    }
  }
  return rc;
}

static int fts5SpecialDelete(
................................................................................
  int eType1 = sqlite3_value_type(apVal[1]);
  if( eType1==SQLITE_INTEGER ){
    sqlite3_int64 iDel = sqlite3_value_int64(apVal[1]);
    rc = sqlite3Fts5StorageSpecialDelete(pTab->pStorage, iDel, &apVal[2]);
  }
  return rc;
}

static void fts5StorageInsert(
  int *pRc, 
  Fts5Table *pTab, 
  sqlite3_value **apVal, 
  i64 *piRowid
){
  int rc = *pRc;
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5StorageContentInsert(pTab->pStorage, apVal, piRowid);
  }
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5StorageIndexInsert(pTab->pStorage, apVal, *piRowid);
  }
  *pRc = rc;
}

/* 
** This function is the implementation of the xUpdate callback used by 
** FTS3 virtual tables. It is invoked by SQLite each time a row is to be
** inserted, updated or deleted.
**
** A delete specifies a single argument - the rowid of the row to remove.
** 
** Update and insert operations pass:
**
**   1. The "old" rowid, or NULL.
**   2. The "new" rowid.
**   3. Values for each of the nCol matchable columns.
**   4. Values for the two hidden columns (<tablename> and "rank").
*/
static int fts5UpdateMethod(
  sqlite3_vtab *pVtab,            /* Virtual table handle */
  int nArg,                       /* Size of argument array */
  sqlite3_value **apVal,          /* Array of arguments */
  sqlite_int64 *pRowid            /* OUT: The affected (or effected) rowid */
){
  Fts5Table *pTab = (Fts5Table*)pVtab;
  Fts5Config *pConfig = pTab->pConfig;
  int eType0;                     /* value_type() of apVal[0] */

  int rc = SQLITE_OK;             /* Return code */

  /* A transaction must be open when this is called. */
  assert( pTab->ts.eState==1 );

  assert( pVtab->zErrMsg==0 );
  assert( nArg==1 || nArg==(2+pConfig->nCol+2) );
  assert( nArg==1 
      || sqlite3_value_type(apVal[1])==SQLITE_INTEGER 
      || sqlite3_value_type(apVal[1])==SQLITE_NULL 
  );
  assert( pTab->pConfig->pzErrmsg==0 );
  pTab->pConfig->pzErrmsg = &pTab->base.zErrMsg;

  /* Put any active cursors into REQUIRE_SEEK state. */
  fts5TripCursors(pTab);







  eType0 = sqlite3_value_type(apVal[0]);
  if( eType0==SQLITE_NULL 
   && sqlite3_value_type(apVal[2+pConfig->nCol])!=SQLITE_NULL 
  ){
    /* A "special" INSERT op. These are handled separately. */
    const char *z = (const char*)sqlite3_value_text(apVal[2+pConfig->nCol]);
    if( pConfig->eContent!=FTS5_CONTENT_NORMAL 
      && 0==sqlite3_stricmp("delete", z) 
    ){
      rc = fts5SpecialDelete(pTab, apVal, pRowid);
    }else{
      rc = fts5SpecialInsert(pTab, z, apVal[2 + pConfig->nCol + 1]);
    }
  }else{
    /* A regular INSERT, UPDATE or DELETE statement. The trick here is that
    ** any conflict on the rowid value must be detected before any 
    ** modifications are made to the database file. There are 4 cases:
    **
    **   1) DELETE
    **   2) UPDATE (rowid not modified)
    **   3) UPDATE (rowid modified)
    **   4) INSERT
    **
    ** Cases 3 and 4 may violate the rowid constraint.
    */
    int eConflict = sqlite3_vtab_on_conflict(pConfig->db);

    assert( eType0==SQLITE_INTEGER || eType0==SQLITE_NULL );


    assert( nArg!=1 || eType0==SQLITE_INTEGER );


    /* Filter out attempts to run UPDATE or DELETE on contentless tables.
    ** This is not suported.  */
    if( eType0==SQLITE_INTEGER && fts5IsContentless(pTab) ){

      pTab->base.zErrMsg = sqlite3_mprintf(
          "cannot %s contentless fts5 table: %s", 
          (nArg>1 ? "UPDATE" : "DELETE from"), pConfig->zName
      );
      rc = SQLITE_ERROR;

    }

    /* Case 1: DELETE */
    else if( nArg==1 ){
      i64 iDel = sqlite3_value_int64(apVal[0]);  /* Rowid to delete */
      rc = sqlite3Fts5StorageDelete(pTab->pStorage, iDel);
    }


    /* Case 2: INSERT */
    else if( eType0!=SQLITE_INTEGER ){     
      /* If this is a REPLACE, first remove the current entry (if any) */
      if( eConflict==SQLITE_REPLACE 
       && sqlite3_value_type(apVal[1])==SQLITE_INTEGER 



      ){
        i64 iNew = sqlite3_value_int64(apVal[1]);  /* Rowid to delete */
        rc = sqlite3Fts5StorageDelete(pTab->pStorage, iNew);
      }
      fts5StorageInsert(&rc, pTab, apVal, pRowid);
    }

    /* Case 2: UPDATE */
    else{

      i64 iOld = sqlite3_value_int64(apVal[0]);  /* Old rowid */
      i64 iNew = sqlite3_value_int64(apVal[1]);  /* New rowid */
      if( iOld!=iNew ){
        if( eConflict==SQLITE_REPLACE ){
          rc = sqlite3Fts5StorageDelete(pTab->pStorage, iOld);
          if( rc==SQLITE_OK ){
            rc = sqlite3Fts5StorageDelete(pTab->pStorage, iNew);
          }

          fts5StorageInsert(&rc, pTab, apVal, pRowid);
        }else{
          rc = sqlite3Fts5StorageContentInsert(pTab->pStorage, apVal, pRowid);
          if( rc==SQLITE_OK ){
            rc = sqlite3Fts5StorageDelete(pTab->pStorage, iOld);
          }
          if( rc==SQLITE_OK ){
            rc = sqlite3Fts5StorageIndexInsert(pTab->pStorage, apVal, *pRowid);
          }
        }
      }else{
        rc = sqlite3Fts5StorageDelete(pTab->pStorage, iOld);
        fts5StorageInsert(&rc, pTab, apVal, pRowid);
      }
    }
  }







  pTab->pConfig->pzErrmsg = 0;
  return rc;
}

/*
** Implementation of xSync() method. 
*/
................................................................................
    int nInst = 0;                /* Number instances seen so far */
    int i;

    /* Initialize all iterators */
    for(i=0; i<nIter; i++){
      const u8 *a;
      int n = fts5CsrPoslist(pCsr, i, &a);
      sqlite3Fts5PoslistReaderInit(a, n, &aIter[i]);
    }

    while( 1 ){
      int *aInst;
      int iBest = -1;
      for(i=0; i<nIter; i++){
        if( (aIter[i].bEof==0) 
................................................................................
  fts5_extension_function xFunc,  /* Aux. function implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  int rc = sqlite3_overload_function(pGlobal->db, zName, -1);
  if( rc==SQLITE_OK ){
    Fts5Auxiliary *pAux;
    int nName;                      /* Size of zName in bytes, including \0 */
    int nByte;                      /* Bytes of space to allocate */

    nName = (int)strlen(zName) + 1;
    nByte = sizeof(Fts5Auxiliary) + nName;
    pAux = (Fts5Auxiliary*)sqlite3_malloc(nByte);
    if( pAux ){
      memset(pAux, 0, nByte);
      pAux->zFunc = (char*)&pAux[1];
      memcpy(pAux->zFunc, zName, nName);
      pAux->pGlobal = pGlobal;
      pAux->pUserData = pUserData;
      pAux->xFunc = xFunc;
      pAux->xDestroy = xDestroy;
      pAux->pNext = pGlobal->pAux;
      pGlobal->pAux = pAux;
    }else{
................................................................................
  const char *zName,              /* Name of new function */
  void *pUserData,                /* User data for aux. function */
  fts5_tokenizer *pTokenizer,     /* Tokenizer implementation */
  void(*xDestroy)(void*)          /* Destructor for pUserData */
){
  Fts5Global *pGlobal = (Fts5Global*)pApi;
  Fts5TokenizerModule *pNew;
  int nName;                      /* Size of zName and its \0 terminator */
  int nByte;                      /* Bytes of space to allocate */
  int rc = SQLITE_OK;

  nName = (int)strlen(zName) + 1;
  nByte = sizeof(Fts5TokenizerModule) + nName;
  pNew = (Fts5TokenizerModule*)sqlite3_malloc(nByte);
  if( pNew ){
    memset(pNew, 0, nByte);
    pNew->zName = (char*)&pNew[1];
    memcpy(pNew->zName, zName, nName);
    pNew->pUserData = pUserData;
    pNew->x = *pTokenizer;
    pNew->xDestroy = xDestroy;
    pNew->pNext = pGlobal->pTok;
    pGlobal->pTok = pNew;
    if( pNew->pNext==0 ){
      pGlobal->pDfltTok = pNew;
................................................................................
  int nArg,                       /* Number of args */
  sqlite3_value **apVal           /* Function arguments */
){
  assert( nArg==0 );
  sqlite3_result_text(pCtx, "--FTS5-SOURCE-ID--", -1, SQLITE_TRANSIENT);
}





static int fts5Init(sqlite3 *db){



  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
    /* xBestIndex    */ fts5BestIndexMethod,
    /* xDisconnect   */ fts5DisconnectMethod,
    /* xDestroy      */ fts5DestroyMethod,
................................................................................
    /* xRelease      */ fts5ReleaseMethod,
    /* xRollbackTo   */ fts5RollbackToMethod,
  };

  int rc;
  Fts5Global *pGlobal = 0;



  pGlobal = (Fts5Global*)sqlite3_malloc(sizeof(Fts5Global));
  if( pGlobal==0 ){
    rc = SQLITE_NOMEM;
  }else{
    void *p = (void*)pGlobal;
    memset(pGlobal, 0, sizeof(Fts5Global));
    pGlobal->db = db;
................................................................................
          db, "fts5_source_id", 0, SQLITE_UTF8, p, fts5SourceIdFunc, 0, 0
      );
    }
  }
  return rc;
}

/*
** The following functions are used to register the module with SQLite. If
** this module is being built as part of the SQLite core (SQLITE_CORE is
** defined), then sqlite3_open() will call sqlite3Fts5Init() directly.
**
** Or, if this module is being built as a loadable extension, 
** sqlite3Fts5Init() is omitted and the two standard entry points
** sqlite3_fts_init() and sqlite3_fts5_init() defined instead.
*/
#ifndef SQLITE_CORE
#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_fts_init(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  return fts5Init(db);
}

#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_fts5_init(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pApi
){
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  return fts5Init(db);
}
#else
int sqlite3Fts5Init(sqlite3 *db){
  return fts5Init(db);
}
#endif

Changes to ext/fts5/fts5_storage.c.

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    int rc2;
    sqlite3_bind_int64(pSeek, 1, iDel);
    if( sqlite3_step(pSeek)==SQLITE_ROW ){
      int iCol;
      Fts5InsertCtx ctx;
      ctx.pStorage = p;
      ctx.iCol = -1;
      rc = sqlite3Fts5IndexBeginWrite(p->pIndex, iDel);
      for(iCol=1; rc==SQLITE_OK && iCol<=pConfig->nCol; iCol++){
        if( pConfig->abUnindexed[iCol-1] ) continue;
        ctx.szCol = 0;
        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,
            (const char*)sqlite3_column_text(pSeek, iCol),
            sqlite3_column_bytes(pSeek, iCol),
................................................................................
  /* Delete the index records */
  if( rc==SQLITE_OK ){
    int iCol;
    Fts5InsertCtx ctx;
    ctx.pStorage = p;
    ctx.iCol = -1;

    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, iDel);
    for(iCol=0; rc==SQLITE_OK && iCol<pConfig->nCol; iCol++){
      if( pConfig->abUnindexed[iCol] ) continue;
      ctx.szCol = 0;
      rc = sqlite3Fts5Tokenize(pConfig, 
        FTS5_TOKENIZE_DOCUMENT,
        (const char*)sqlite3_value_text(apVal[iCol]),
        sqlite3_value_bytes(apVal[iCol]),
................................................................................
    rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0);
  }

  while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pScan) ){
    i64 iRowid = sqlite3_column_int64(pScan, 0);

    sqlite3Fts5BufferZero(&buf);
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, iRowid);
    for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
      ctx.szCol = 0;
      if( pConfig->abUnindexed[ctx.iCol]==0 ){
        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,
            (const char*)sqlite3_column_text(pScan, ctx.iCol+1),
            sqlite3_column_bytes(pScan, ctx.iCol+1),
................................................................................
      *piRowid = sqlite3_last_insert_rowid(p->pConfig->db);
    }
  }
  return rc;
}

/*
** Insert a new row into the FTS table.
*/













































int sqlite3Fts5StorageInsert(
  Fts5Storage *p,                 /* Storage module to write to */
  sqlite3_value **apVal,          /* Array of values passed to xUpdate() */
  int eConflict,                  /* on conflict clause */
  i64 *piRowid                    /* OUT: rowid of new record */

){
  Fts5Config *pConfig = p->pConfig;
  int rc = SQLITE_OK;             /* Return code */
  sqlite3_stmt *pInsert = 0;      /* Statement used to write %_content table */
  int eStmt = 0;                  /* Type of statement used on %_content */
  int i;                          /* Counter variable */
  Fts5InsertCtx ctx;              /* Tokenization callback context object */
  Fts5Buffer buf;                 /* Buffer used to build up %_docsize blob */

  memset(&buf, 0, sizeof(Fts5Buffer));

  rc = fts5StorageLoadTotals(p, 1);

  /* Insert the new row into the %_content table. */
  if( rc==SQLITE_OK ){
    if( pConfig->eContent!=FTS5_CONTENT_NORMAL ){
      if( sqlite3_value_type(apVal[1])==SQLITE_INTEGER ){
        *piRowid = sqlite3_value_int64(apVal[1]);
      }else{
        rc = fts5StorageNewRowid(p, piRowid);
      }
    }else{
      if( eConflict==SQLITE_REPLACE ){
        eStmt = FTS5_STMT_REPLACE_CONTENT;
        rc = fts5StorageDeleteFromIndex(p, sqlite3_value_int64(apVal[1]));
      }else{
        eStmt = FTS5_STMT_INSERT_CONTENT;
      }
      if( rc==SQLITE_OK ){
        rc = fts5StorageGetStmt(p, eStmt, &pInsert, 0);
      }
      for(i=1; rc==SQLITE_OK && i<=pConfig->nCol+1; i++){
        rc = sqlite3_bind_value(pInsert, i, apVal[i]);
      }
      if( rc==SQLITE_OK ){
        sqlite3_step(pInsert);
        rc = sqlite3_reset(pInsert);
      }
      *piRowid = sqlite3_last_insert_rowid(pConfig->db);
    }
  }

  /* Add new entries to the FTS index */
  if( rc==SQLITE_OK ){
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, *piRowid);
    ctx.pStorage = p;
  }
  for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
    ctx.szCol = 0;
    if( pConfig->abUnindexed[ctx.iCol]==0 ){
      rc = sqlite3Fts5Tokenize(pConfig, 
          FTS5_TOKENIZE_DOCUMENT,
          (const char*)sqlite3_value_text(apVal[ctx.iCol+2]),
................................................................................
    sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
    p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
  }
  p->nTotalRow++;

  /* Write the %_docsize record */
  if( rc==SQLITE_OK ){
    rc = fts5StorageInsertDocsize(p, *piRowid, &buf);
  }
  sqlite3_free(buf.p);

  /* Write the averages record */
  if( rc==SQLITE_OK ){
    rc = fts5StorageSaveTotals(p);
  }







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    int rc2;
    sqlite3_bind_int64(pSeek, 1, iDel);
    if( sqlite3_step(pSeek)==SQLITE_ROW ){
      int iCol;
      Fts5InsertCtx ctx;
      ctx.pStorage = p;
      ctx.iCol = -1;
      rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel);
      for(iCol=1; rc==SQLITE_OK && iCol<=pConfig->nCol; iCol++){
        if( pConfig->abUnindexed[iCol-1] ) continue;
        ctx.szCol = 0;
        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,
            (const char*)sqlite3_column_text(pSeek, iCol),
            sqlite3_column_bytes(pSeek, iCol),
................................................................................
  /* Delete the index records */
  if( rc==SQLITE_OK ){
    int iCol;
    Fts5InsertCtx ctx;
    ctx.pStorage = p;
    ctx.iCol = -1;

    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 1, iDel);
    for(iCol=0; rc==SQLITE_OK && iCol<pConfig->nCol; iCol++){
      if( pConfig->abUnindexed[iCol] ) continue;
      ctx.szCol = 0;
      rc = sqlite3Fts5Tokenize(pConfig, 
        FTS5_TOKENIZE_DOCUMENT,
        (const char*)sqlite3_value_text(apVal[iCol]),
        sqlite3_value_bytes(apVal[iCol]),
................................................................................
    rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0);
  }

  while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pScan) ){
    i64 iRowid = sqlite3_column_int64(pScan, 0);

    sqlite3Fts5BufferZero(&buf);
    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);
    for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
      ctx.szCol = 0;
      if( pConfig->abUnindexed[ctx.iCol]==0 ){
        rc = sqlite3Fts5Tokenize(pConfig, 
            FTS5_TOKENIZE_DOCUMENT,
            (const char*)sqlite3_column_text(pScan, ctx.iCol+1),
            sqlite3_column_bytes(pScan, ctx.iCol+1),
................................................................................
      *piRowid = sqlite3_last_insert_rowid(p->pConfig->db);
    }
  }
  return rc;
}

/*
** Insert a new row into the FTS content table.
*/
int sqlite3Fts5StorageContentInsert(
  Fts5Storage *p, 
  sqlite3_value **apVal, 
  i64 *piRowid
){
  Fts5Config *pConfig = p->pConfig;
  int rc = SQLITE_OK;

  /* Insert the new row into the %_content table. */
  if( pConfig->eContent!=FTS5_CONTENT_NORMAL ){
    if( sqlite3_value_type(apVal[1])==SQLITE_INTEGER ){
      *piRowid = sqlite3_value_int64(apVal[1]);
    }else{
      rc = fts5StorageNewRowid(p, piRowid);
    }
  }else{
    sqlite3_stmt *pInsert = 0;    /* Statement to write %_content table */
    int i;                        /* Counter variable */
#if 0
    if( eConflict==SQLITE_REPLACE ){
      eStmt = FTS5_STMT_REPLACE_CONTENT;
      rc = fts5StorageDeleteFromIndex(p, sqlite3_value_int64(apVal[1]));
    }else{
      eStmt = FTS5_STMT_INSERT_CONTENT;
    }
#endif
    if( rc==SQLITE_OK ){
      rc = fts5StorageGetStmt(p, FTS5_STMT_INSERT_CONTENT, &pInsert, 0);
    }
    for(i=1; rc==SQLITE_OK && i<=pConfig->nCol+1; i++){
      rc = sqlite3_bind_value(pInsert, i, apVal[i]);
    }
    if( rc==SQLITE_OK ){
      sqlite3_step(pInsert);
      rc = sqlite3_reset(pInsert);
    }
    *piRowid = sqlite3_last_insert_rowid(pConfig->db);
  }

  return rc;
}

/*
** Insert new entries into the FTS index and %_docsize table.
*/
int sqlite3Fts5StorageIndexInsert(
  Fts5Storage *p, 
  sqlite3_value **apVal, 


  i64 iRowid
){
  Fts5Config *pConfig = p->pConfig;
  int rc = SQLITE_OK;             /* Return code */



  Fts5InsertCtx ctx;              /* Tokenization callback context object */
  Fts5Buffer buf;                 /* Buffer used to build up %_docsize blob */

  memset(&buf, 0, sizeof(Fts5Buffer));
  ctx.pStorage = p;
  rc = fts5StorageLoadTotals(p, 1);


  if( rc==SQLITE_OK ){





























    rc = sqlite3Fts5IndexBeginWrite(p->pIndex, 0, iRowid);

  }
  for(ctx.iCol=0; rc==SQLITE_OK && ctx.iCol<pConfig->nCol; ctx.iCol++){
    ctx.szCol = 0;
    if( pConfig->abUnindexed[ctx.iCol]==0 ){
      rc = sqlite3Fts5Tokenize(pConfig, 
          FTS5_TOKENIZE_DOCUMENT,
          (const char*)sqlite3_value_text(apVal[ctx.iCol+2]),
................................................................................
    sqlite3Fts5BufferAppendVarint(&rc, &buf, ctx.szCol);
    p->aTotalSize[ctx.iCol] += (i64)ctx.szCol;
  }
  p->nTotalRow++;

  /* Write the %_docsize record */
  if( rc==SQLITE_OK ){
    rc = fts5StorageInsertDocsize(p, iRowid, &buf);
  }
  sqlite3_free(buf.p);

  /* Write the averages record */
  if( rc==SQLITE_OK ){
    rc = fts5StorageSaveTotals(p);
  }

Changes to ext/fts5/fts5_tcl.c.

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static int f5tTokenHash(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  int bOld = sqlite3_fts5_may_be_corrupt;
  char *z;
  int n;
  unsigned int iVal;
  int nSlot;

  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "NSLOT TOKEN");







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static int f5tTokenHash(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){

  char *z;
  int n;
  unsigned int iVal;
  int nSlot;

  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "NSLOT TOKEN");

Changes to ext/fts5/fts5_vocab.c.

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      assert( pTab->eType==FTS5_VOCAB_COL || pTab->eType==FTS5_VOCAB_ROW );
      while( rc==SQLITE_OK ){
        i64 dummy;
        const u8 *pPos; int nPos;   /* Position list */
        i64 iPos = 0;               /* 64-bit position read from poslist */
        int iOff = 0;               /* Current offset within position list */

        rc = sqlite3Fts5IterPoslist(pCsr->pIter, &pPos, &nPos, &dummy);
        if( rc==SQLITE_OK ){
          if( pTab->eType==FTS5_VOCAB_ROW ){
            while( 0==sqlite3Fts5PoslistNext64(pPos, nPos, &iOff, &iPos) ){
              pCsr->aVal[1]++;
            }
            pCsr->aVal[0]++;
          }else{
................................................................................
  sqlite3_value **apVal           /* Arguments for the indexing scheme */
){
  Fts5VocabCursor *pCsr = (Fts5VocabCursor*)pCursor;
  int rc;
  const int flags = FTS5INDEX_QUERY_SCAN;

  fts5VocabResetCursor(pCsr);
  rc = sqlite3Fts5IndexQuery(pCsr->pIndex, 0, 0, flags, &pCsr->pIter);
  if( rc==SQLITE_OK ){
    rc = fts5VocabNextMethod(pCursor);
  }

  return rc;
}








|







 







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      assert( pTab->eType==FTS5_VOCAB_COL || pTab->eType==FTS5_VOCAB_ROW );
      while( rc==SQLITE_OK ){
        i64 dummy;
        const u8 *pPos; int nPos;   /* Position list */
        i64 iPos = 0;               /* 64-bit position read from poslist */
        int iOff = 0;               /* Current offset within position list */

        rc = sqlite3Fts5IterPoslist(pCsr->pIter, 0, &pPos, &nPos, &dummy);
        if( rc==SQLITE_OK ){
          if( pTab->eType==FTS5_VOCAB_ROW ){
            while( 0==sqlite3Fts5PoslistNext64(pPos, nPos, &iOff, &iPos) ){
              pCsr->aVal[1]++;
            }
            pCsr->aVal[0]++;
          }else{
................................................................................
  sqlite3_value **apVal           /* Arguments for the indexing scheme */
){
  Fts5VocabCursor *pCsr = (Fts5VocabCursor*)pCursor;
  int rc;
  const int flags = FTS5INDEX_QUERY_SCAN;

  fts5VocabResetCursor(pCsr);
  rc = sqlite3Fts5IndexQuery(pCsr->pIndex, 0, 0, flags, 0, &pCsr->pIter);
  if( rc==SQLITE_OK ){
    rc = fts5VocabNextMethod(pCursor);
  }

  return rc;
}

Changes to ext/fts5/fts5parse.y.

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%left OR.
%left AND.
%left NOT.
%left TERM.
%left COLON.

input ::= expr(X). { sqlite3Fts5ParseFinished(pParse, X); }


%type cnearset    {Fts5ExprNode*}
%type expr        {Fts5ExprNode*}
%type exprlist    {Fts5ExprNode*}
%destructor cnearset { sqlite3Fts5ParseNodeFree($$); }
%destructor expr     { sqlite3Fts5ParseNodeFree($$); }
%destructor exprlist { sqlite3Fts5ParseNodeFree($$); }
................................................................................
  A = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, X); 
}
cnearset(A) ::= colset(X) COLON nearset(Y). { 
  sqlite3Fts5ParseSetColset(pParse, Y, X);
  A = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, Y); 
}

%type colset {Fts5ExprColset*}
%destructor colset { sqlite3_free($$); }
%type colsetlist {Fts5ExprColset*}
%destructor colsetlist { sqlite3_free($$); }

colset(A) ::= LCP colsetlist(X) RCP. { A = X; }
colset(A) ::= STRING(X). {
  A = sqlite3Fts5ParseColset(pParse, 0, &X);
}








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%left OR.
%left AND.
%left NOT.
%left TERM.
%left COLON.

input ::= expr(X). { sqlite3Fts5ParseFinished(pParse, X); }
%destructor input { (void)pParse; }

%type cnearset    {Fts5ExprNode*}
%type expr        {Fts5ExprNode*}
%type exprlist    {Fts5ExprNode*}
%destructor cnearset { sqlite3Fts5ParseNodeFree($$); }
%destructor expr     { sqlite3Fts5ParseNodeFree($$); }
%destructor exprlist { sqlite3Fts5ParseNodeFree($$); }
................................................................................
  A = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, X); 
}
cnearset(A) ::= colset(X) COLON nearset(Y). { 
  sqlite3Fts5ParseSetColset(pParse, Y, X);
  A = sqlite3Fts5ParseNode(pParse, FTS5_STRING, 0, 0, Y); 
}

%type colset {Fts5Colset*}
%destructor colset { sqlite3_free($$); }
%type colsetlist {Fts5Colset*}
%destructor colsetlist { sqlite3_free($$); }

colset(A) ::= LCP colsetlist(X) RCP. { A = X; }
colset(A) ::= STRING(X). {
  A = sqlite3Fts5ParseColset(pParse, 0, &X);
}

Changes to ext/fts5/test/fts5_common.tcl.

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if {![info exists testdir]} {
  set testdir [file join [file dirname [info script]] .. .. .. test]
}
source $testdir/tester.tcl

catch { 
  sqlite3_fts5_may_be_corrupt 0 
  append G(perm:dbconfig) "; load_static_extension \$::dbhandle fts5"
  reset_db
}

proc fts5_test_poslist {cmd} {
  set res [list]
  for {set i 0} {$i < [$cmd xInstCount]} {incr i} {
    lappend res [string map {{ } .} [$cmd xInst $i]]







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if {![info exists testdir]} {
  set testdir [file join [file dirname [info script]] .. .. .. test]
}
source $testdir/tester.tcl

catch { 
  sqlite3_fts5_may_be_corrupt 0 

  reset_db
}

proc fts5_test_poslist {cmd} {
  set res [list]
  for {set i 0} {$i < [$cmd xInstCount]} {incr i} {
    lappend res [string map {{ } .} [$cmd xInst $i]]

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  INSERT INTO t3 VALUES('a one');
  INSERT INTO t3 VALUES('a two');
  INSERT INTO t3 VALUES('a three');
  INSERT INTO t3 VALUES('a four');
  INSERT INTO t3 VALUES('a five');
  INSERT INTO t3(t3, rank) VALUES('rank', 'bm25()');
}
breakpoint

do_execsql_test 4.3.2 {
  SELECT * FROM t3
  WHERE t3 MATCH 'a' AND rank MATCH 'rowidmod(4)' 
  ORDER BY rank ASC
} {
  {a four} {a one} {a five} {a two} {a three}
}

do_execsql_test 4.3.3 {
  SELECT *, rank FROM t3
  WHERE t3 MATCH 'a' AND rank MATCH 'rowidmod(3)' 
  ORDER BY rank ASC
} {
  {a three} 0 {a one} 1 {a four} 1 {a two} 2 {a five} 2 
}













do_catchsql_test 4.4.3 {
  SELECT *, rank FROM t3 WHERE t3 MATCH 'a' AND rank MATCH 'xyz(3)' 
} {1 {no such function: xyz}}
do_catchsql_test 4.4.4 {
  SELECT *, rank FROM t3 WHERE t3 MATCH 'a' AND rank MATCH NULL
} {1 {parse error in rank function: }}



finish_test








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  INSERT INTO t3 VALUES('a one');
  INSERT INTO t3 VALUES('a two');
  INSERT INTO t3 VALUES('a three');
  INSERT INTO t3 VALUES('a four');
  INSERT INTO t3 VALUES('a five');
  INSERT INTO t3(t3, rank) VALUES('rank', 'bm25()');
}


do_execsql_test 4.3.2 {
  SELECT * FROM t3
  WHERE t3 MATCH 'a' AND rank MATCH 'rowidmod(4)' 
  ORDER BY rank ASC
} {
  {a four} {a one} {a five} {a two} {a three}
}

do_execsql_test 4.3.3 {
  SELECT *, rank FROM t3
  WHERE t3 MATCH 'a' AND rank MATCH 'rowidmod(3)' 
  ORDER BY rank ASC
} {
  {a three} 0 {a one} 1 {a four} 1 {a two} 2 {a five} 2 
}

do_execsql_test 4.3.4 {
  SELECT * FROM t3('a', 'rowidmod(4)') ORDER BY rank ASC;
} {
  {a four} {a one} {a five} {a two} {a three}
}

do_execsql_test 4.3.5 {
  SELECT *, rank FROM t3('a', 'rowidmod(3)') ORDER BY rank ASC
} {
  {a three} 0 {a one} 1 {a four} 1 {a two} 2 {a five} 2 
}

do_catchsql_test 4.4.3 {
  SELECT *, rank FROM t3 WHERE t3 MATCH 'a' AND rank MATCH 'xyz(3)' 
} {1 {no such function: xyz}}
do_catchsql_test 4.4.4 {
  SELECT *, rank FROM t3 WHERE t3 MATCH 'a' AND rank MATCH NULL
} {1 {parse error in rank function: }}



finish_test

Changes to ext/fts5/test/fts5fault6.test.

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#-------------------------------------------------------------------------
catch { db close }
breakpoint
do_faultsim_test 6 -faults oom* -prep {
  sqlite_orig db test.db
  sqlite3_db_config_lookaside db 0 0 0
} -body {
  load_static_extension db fts5
} -test {
  faultsim_test_result {0 {}} {1 {initialization of fts5 failed: }}
  if {$testrc==0} {
    db eval { CREATE VIRTUAL TABLE temp.t1 USING fts5(x) }
  }
  db close
}
finish_test








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#-------------------------------------------------------------------------
catch { db close }
breakpoint
do_faultsim_test 6 -faults oom* -prep {
  sqlite_orig db test.db
  sqlite3_db_config_lookaside db 0 0 0


} -test {
  faultsim_test_result {0 {}} {1 {initialization of fts5 failed: }}
  if {$testrc==0} {
    db eval { CREATE VIRTUAL TABLE temp.t1 USING fts5(x) }
  }
  db close
}
finish_test

Added ext/fts5/test/fts5onepass.test.











































































































































































































































































































































































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# 2015 Sep 27
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#*************************************************************************
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5onepass

# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE ft USING fts5(content);
  INSERT INTO ft(rowid, content) VALUES(1, '1 2 3');
  INSERT INTO ft(rowid, content) VALUES(2, '4 5 6');
  INSERT INTO ft(rowid, content) VALUES(3, '7 8 9');
}

#-------------------------------------------------------------------------
# Check that UPDATE and DELETE statements that feature "WHERE rowid=?" or 
# or "WHERE rowid=?" clauses do not use statement journals. But that other
# DELETE and UPDATE statements do.
#
# Note: "MATCH ? AND rowid=?" does use a statement journal.
#
foreach {tn sql uses} {
  1.1 { DELETE FROM ft } 1
  1.2 { DELETE FROM ft WHERE rowid=? } 0
  1.3 { DELETE FROM ft WHERE rowid=? } 0
  1.4 { DELETE FROM ft WHERE ft MATCH '1' } 1
  1.5 { DELETE FROM ft WHERE ft MATCH '1' AND rowid=? } 1
  1.6 { DELETE FROM ft WHERE ft MATCH '1' AND rowid=? } 1

  2.1 { UPDATE ft SET content='a b c' } 1
  2.2 { UPDATE ft SET content='a b c' WHERE rowid=? } 0
  2.3 { UPDATE ft SET content='a b c' WHERE rowid=? } 0
  2.4 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' } 1
  2.5 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' AND rowid=? } 1
  2.6 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' AND rowid=? } 1
} {
  do_test 1.$tn { sql_uses_stmt db $sql } $uses
}

#-------------------------------------------------------------------------
# Check that putting a "DELETE/UPDATE ... WHERE rowid=?" statement in a
# trigger program does not prevent the VM from using a statement 
# transaction. Even if the calling statement cannot hit a constraint.
#
do_execsql_test 2.0 {
  CREATE TABLE t1(x);

  CREATE TRIGGER t1_ai AFTER INSERT ON t1 BEGIN
    DELETE FROM ft WHERE rowid=new.x;
  END;

  CREATE TRIGGER t1_ad AFTER DELETE ON t1 BEGIN
    UPDATE ft SET content = 'a b c' WHERE rowid=old.x;
  END;

  CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 BEGIN
    DELETE FROM ft WHERE rowid=old.x;
  END;
}

foreach {tn sql uses} {
  1 { INSERT INTO t1 VALUES(1)      } 1
  2 { DELETE FROM t1 WHERE x=4      } 1
  3 { UPDATE t1 SET x=10 WHERE x=11 } 1
} {
  do_test 2.$tn { sql_uses_stmt db $sql } $uses
}

#-------------------------------------------------------------------------
# Test that an "UPDATE ... WHERE rowid=?" works and does not corrupt the
# index when it strikes a constraint. Both inside and outside a 
# transaction.
#
foreach {tn tcl1 tcl2}  {
  1 {} {}

  2 {
    execsql BEGIN
  } {
    if {[sqlite3_get_autocommit db]==1} { error "transaction rolled back!" }
    execsql COMMIT
  }
} {

  do_execsql_test 3.$tn.0 {
    DROP TABLE IF EXISTS ft2;
    CREATE VIRTUAL TABLE ft2 USING fts5(content);
    INSERT INTO ft2(rowid, content) VALUES(1, 'a b c');
    INSERT INTO ft2(rowid, content) VALUES(2, 'a b d');
    INSERT INTO ft2(rowid, content) VALUES(3, 'a b e');
  }

  eval $tcl1
  foreach {tn2 sql content} {
    1 { UPDATE ft2 SET rowid=2 WHERE rowid=1 }
      { 1 {a b c} 2 {a b d} 3 {a b e} }

    2 { 
      INSERT INTO ft2(rowid, content) VALUES(4, 'a b f');
      UPDATE ft2 SET rowid=5 WHERE rowid=4;
      UPDATE ft2 SET rowid=3 WHERE rowid=5;
    } { 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    3 {
      UPDATE ft2 SET rowid=3 WHERE rowid=4;           -- matches 0 rows
      UPDATE ft2 SET rowid=2 WHERE rowid=3;
    } { 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    4 {
      INSERT INTO ft2(rowid, content) VALUES(4, 'a b g');
      UPDATE ft2 SET rowid=-1 WHERE rowid=4;
      UPDATE ft2 SET rowid=3 WHERE rowid=-1;
    } {-1 {a b g} 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    5 {
      DELETE FROM ft2 WHERE rowid=451;
      DELETE FROM ft2 WHERE rowid=-1;
      UPDATE ft2 SET rowid = 2 WHERE rowid = 1;
    } {1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }
  } {
    do_catchsql_test 3.$tn.$tn2.a $sql {1 {constraint failed}}
    do_execsql_test  3.$tn.$tn2.b { SELECT rowid, content FROM ft2 } $content

    do_execsql_test  3.$tn.$tn2.c { 
      INSERT INTO ft2(ft2) VALUES('integrity-check');
    }
  }
  eval $tcl2
}

#-------------------------------------------------------------------------
# Check that DELETE and UPDATE operations can be done without flushing
# the in-memory hash table to disk.
#
reset_db
do_execsql_test 4.1.1 {
  CREATE VIRTUAL TABLE ttt USING fts5(x);
  BEGIN;
    INSERT INTO ttt(rowid, x) VALUES(1, 'a b c');
    INSERT INTO ttt(rowid, x) VALUES(2, 'a b c');
    INSERT INTO ttt(rowid, x) VALUES(3, 'a b c');
  COMMIT
}
do_test 4.1.2 { fts5_level_segs ttt } {1}

do_execsql_test 4.2.1 {
  BEGIN;
    DELETE FROM ttt WHERE rowid=1;
    DELETE FROM ttt WHERE rowid=3;
    INSERT INTO ttt(rowid, x) VALUES(4, 'd e f');
    INSERT INTO ttt(rowid, x) VALUES(5, 'd e f');
  COMMIT;
} {}
do_test 4.2.2 { fts5_level_segs ttt } {2}


do_execsql_test 4.3.1 {
  BEGIN;
    UPDATE ttt SET x = 'd e f' WHERE rowid = 2;
    UPDATE ttt SET x = 'A B C' WHERE rowid = 4;
    INSERT INTO ttt(rowid, x) VALUES(6, 'd e f');
  COMMIT;
} {}
do_test 4.2.2 { fts5_level_segs ttt } {3}

finish_test

Added ext/fts5/test/fts5phrase.test.















































































































































































































































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# 2014 Jan 08
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# Tests focused on phrase queries.
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5phrase

# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t3 USING fts5(a, b, c);
  INSERT INTO t3 VALUES('d e a', 'd i j j f', 'i j i e b f h'); -- 1
  INSERT INTO t3 VALUES('g a e', 'f g i g a', 'h d g i g h c'); -- 2
  INSERT INTO t3 VALUES('e a d', 'e i h a f', 'c e h i f b i'); -- 3
  INSERT INTO t3 VALUES('a g c', 'd j d j c', 'c d f j i g j'); -- 4
  INSERT INTO t3 VALUES('b c b', 'j g c d f', 'j c j d g f b'); -- 5
  INSERT INTO t3 VALUES('j a d', 'e b i h h', 'c c f g d i d'); -- 6
  INSERT INTO t3 VALUES('a d f', 'h g i i i', 'e a g c i f b'); -- 7
  INSERT INTO t3 VALUES('g f d', 'f c g b j', 'b b h h h j j'); -- 8
  INSERT INTO t3 VALUES('f h g', 'c j f g j', 'd h d f e b h'); -- 9
  INSERT INTO t3 VALUES('f h d', 'c i a d b', 'g b j b a d e'); -- 10
  INSERT INTO t3 VALUES('j h h', 'j i h a g', 'd e i e a g j'); -- 11
  INSERT INTO t3 VALUES('a b e', 'h g a g c', 'h c a a d e g'); -- 12
  INSERT INTO t3 VALUES('a j g', 'i h i f i', 'a g h j g i b'); -- 13
  INSERT INTO t3 VALUES('j h e', 'f e d i e', 'i d c f e d c'); -- 14
  INSERT INTO t3 VALUES('d j d', 'd b i a c', 'g d h i d b e'); -- 15
  INSERT INTO t3 VALUES('h j e', 'e b b c f', 'j a f g h d j'); -- 16
  INSERT INTO t3 VALUES('c b j', 'c a b a i', 'h f i d a d c'); -- 17
  INSERT INTO t3 VALUES('e e d', 'i d f c c', 'g i d a f e a'); -- 18
  INSERT INTO t3 VALUES('e i g', 'e a b i h', 'i f d d a d f'); -- 19
  INSERT INTO t3 VALUES('h g f', 'b h h j d', 'i f d e g j a'); -- 20
  INSERT INTO t3 VALUES('e h f', 'j c b c f', 'j a j g h a c'); -- 21
  INSERT INTO t3 VALUES('d c h', 'b g i c e', 'i i c d e h i'); -- 22
  INSERT INTO t3 VALUES('a h i', 'a g d f f', 'e f i i b b h'); -- 23
  INSERT INTO t3 VALUES('d d g', 'c c b c g', 'g c h e b c e'); -- 24
  INSERT INTO t3 VALUES('a b b', 'b f a d i', 'd a h a b c i'); -- 25
  INSERT INTO t3 VALUES('a f d', 'a j e a h', 'j i h j a i f'); -- 26
  INSERT INTO t3 VALUES('d j d', 'h a d i a', 'h h f j h g a'); -- 27
  INSERT INTO t3 VALUES('g a e', 'd g f a g', 'i d b c g g j'); -- 28
  INSERT INTO t3 VALUES('j e h', 'g h j h g', 'd a e j a a h'); -- 29
  INSERT INTO t3 VALUES('e j e', 'g e j g c', 'f c e b e e a'); -- 30
  INSERT INTO t3 VALUES('h f f', 'i j g e c', 'j j f c a i j'); -- 31
  INSERT INTO t3 VALUES('a g c', 'c g d b i', 'g h c b a a f'); -- 32
  INSERT INTO t3 VALUES('c h i', 'j d h e e', 'a h i d c c j'); -- 33
  INSERT INTO t3 VALUES('d a c', 'e d d b j', 'c e b b h i h'); -- 34
  INSERT INTO t3 VALUES('d f h', 'c a f c c', 'j b b c c j f'); -- 35
  INSERT INTO t3 VALUES('b g h', 'g c c c f', 'c g c f h e e'); -- 36
  INSERT INTO t3 VALUES('f e a', 'b h f j h', 'j g h f d g f'); -- 37
  INSERT INTO t3 VALUES('h f a', 'a e i j g', 'f d a f d f c'); -- 38
  INSERT INTO t3 VALUES('f i c', 'f i i i i', 'e c f d h j f'); -- 39
  INSERT INTO t3 VALUES('h h d', 'd i e d i', 'd f e i a h a'); -- 40
  INSERT INTO t3 VALUES('f g c', 'd a f c h', 'b b g j c e g'); -- 41
  INSERT INTO t3 VALUES('h i h', 'h d j d e', 'e d b b i e g'); -- 42
  INSERT INTO t3 VALUES('b h i', 'j e i d a', 'j j h e e c a'); -- 43
  INSERT INTO t3 VALUES('g i g', 'f c c f d', 'a c i c a d a'); -- 44
  INSERT INTO t3 VALUES('c c f', 'a b j d b', 'c a e g f e c'); -- 45
  INSERT INTO t3 VALUES('d h j', 'g c b j d', 'e a h f h j g'); -- 46
  INSERT INTO t3 VALUES('a a d', 'j e j a i', 'i d c f f f b'); -- 47
  INSERT INTO t3 VALUES('b g j', 'e c i h f', 'd d h b g a d'); -- 48
  INSERT INTO t3 VALUES('c i a', 'a c c c c', 'e h i e h i e'); -- 49
  INSERT INTO t3 VALUES('f f c', 'f f b i i', 'f f a j e c i'); -- 50
}

proc pmatch {col expr} {
  return [expr {[string first $expr $col]>=0}]
}
db func pmatch pmatch

foreach {tn cols tokens} {
  1 a         "c c"
  2 b         "c c"
  3 c         "c c"
  4 {a b c}   "c c"
  5 {a b c}   "b h"
  6 {a b}     "b h"
  7 {a c}     "b h"
  8 {c a}     "b h"
  9 {c}       "i e"
  10 {b}      "i e"
  11 {a}      "i e"
} {
  set fts   "{$cols}:[join $tokens +]"
  set where [list]
  foreach c $cols { lappend where "pmatch($c, '$tokens')" }
  set where [join $where " OR "]

  set res [db eval "SELECT rowid FROM t3 WHERE $where"]
  do_execsql_test "1.$tn.$fts->([llength $res] rows)" { 
    SELECT rowid FROM t3($fts) 
  } $res
}

do_execsql_test 2.0 {
  SELECT rowid,
    highlight(t3, 0, '*', '*'),
    highlight(t3, 1, '*', '*'),
    highlight(t3, 2, '*', '*')
  FROM t3('a:f+f')
} {
  31 {h *f f*} {i j g e c} {j j f c a i j} 
  50 {*f f* c} {f f b i i} {f f a j e c i}
}

finish_test

Changes to ext/fts5/test/fts5prefix.test.

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foreach {tn q res} {
  1 "SELECT rowid FROM t1 WHERE t1 MATCH '\xCA\xCB*'" 1
  2 "SELECT rowid FROM t1 WHERE t1 MATCH '\u1234\u5678*'" 2
} {
  do_execsql_test 2.3.$tn $q $res
}







































































































































finish_test









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foreach {tn q res} {
  1 "SELECT rowid FROM t1 WHERE t1 MATCH '\xCA\xCB*'" 1
  2 "SELECT rowid FROM t1 WHERE t1 MATCH '\u1234\u5678*'" 2
} {
  do_execsql_test 2.3.$tn $q $res
}

#-------------------------------------------------------------------------
# Check that prefix queries with:
#
#   * a column filter, and
#   * no prefix index.
#
# work Ok.
#
do_execsql_test 3.0 {
  CREATE VIRTUAL TABLE t3 USING fts5(a, b, c);
  INSERT INTO t3(t3, rank) VALUES('pgsz', 32);
  BEGIN;
    INSERT INTO t3 VALUES('acb ccc bba', 'cca bba bca', 'bbc ccc bca'); -- 1
    INSERT INTO t3 VALUES('cbb cac cab', 'abb aac bba', 'aab ccc cac'); -- 2
    INSERT INTO t3 VALUES('aac bcb aac', 'acb bcb caa', 'aca bab bca'); -- 3
    INSERT INTO t3 VALUES('aab ccb ccc', 'aca cba cca', 'aca aac cbb'); -- 4
    INSERT INTO t3 VALUES('bac aab bab', 'ccb bac cba', 'acb aba abb'); -- 5
    INSERT INTO t3 VALUES('bab abc ccb', 'acb cba abb', 'cbb aaa cab'); -- 6
    INSERT INTO t3 VALUES('cbb bbc baa', 'aab aca baa', 'bcc cca aca'); -- 7
    INSERT INTO t3 VALUES('abc bba abb', 'cac abc cba', 'acc aac cac'); -- 8
    INSERT INTO t3 VALUES('bbc bbc cab', 'bcb ccb cba', 'bcc cac acb'); -- 9
  COMMIT;
}

foreach {tn match res} {
  1 "a : c*" {1 2 4 6 7 9}
  2 "b : c*" {1 3 4 5 6 8 9}
  3 "c : c*" {1 2 4 6 7 8 9}
  4 "a : b*" {1 3 5 6 7 8 9}
  5 "b : b*" {1 2 3 5 7 9}
  6 "c : b*" {1 3 7 9}
  7 "a : a*" {1 3 4 5 6 8}
  8 "b : a*" {2 3 4 6 7 8}
  9 "c : a*" {2 3 4 5 6 7 8 9}
} {
  do_execsql_test 3.1.$tn {
    SELECT rowid FROM t3($match)
  } $res
}

do_test 3.2 {
  expr srand(0)
  execsql { DELETE FROM t3 }
  for {set i 0} {$i < 1000} {incr i} {
    set a [fts5_rnddoc 3]
    set b [fts5_rnddoc 8]
    set c [fts5_rnddoc 20]
    execsql { INSERT INTO t3 VALUES($a, $b, $c) }
  }
  execsql { INSERT INTO t3(t3) VALUES('integrity-check') }
} {}

proc gmatch {col pattern} {
  expr {[lsearch -glob $col $pattern]>=0}
}
db func gmatch gmatch

proc ghl {col pattern} {
  foreach t $col {
    if {[string match $pattern $t]} {
      lappend res "*$t*"
    } else {
      lappend res $t
    }
  }
  set res
}
db func ghl ghl

set COLS(a) 0
set COLS(b) 1
set COLS(c) 2

for {set x 0} {$x<2} {incr x} {
  foreach {tn pattern} {
    1  {xa*}
    2  {xb*}
    3  {xc*}
    4  {xd*}
    5  {xe*}
    6  {xf*}
    7  {xg*}
    8  {xh*}
    9  {xi*}
    10 {xj*}
  } {
    foreach col {a b c} {

      # Check that the list of returned rowids is correct.
      #
      set res [db eval "SELECT rowid FROM t3 WHERE gmatch($col, '$pattern')"]
      set query "$col : $pattern"
      do_execsql_test 3.3.$x.$tn.$col.rowid {
        SELECT rowid FROM t3($query);
      } $res

      # Check that the highlight() function works.
      #
      set res [db eval \
        "SELECT ghl($col, '$pattern') FROM t3 WHERE gmatch($col, '$pattern')"
      ]
      set idx $COLS($col)
      do_execsql_test 3.3.$x.$tn.$col.highlight {
        SELECT highlight(t3, $idx, '*', '*') FROM t3($query);
      } $res
    }

    foreach colset {{a b} {b c} {c a} {a c} {b a}} {
      # Check that the list of returned rowids is correct.
      #
      foreach {col1 col2} $colset {}
      set expr "gmatch($col1, '$pattern') OR gmatch($col2, '$pattern')"
      set res [db eval "SELECT rowid FROM t3 WHERE $expr"]
      set query "{$colset} : $pattern"
      do_execsql_test 3.3.$x.$tn.{$colset}.rowid {
        SELECT rowid FROM t3($query);
      } $res

      set resq    "SELECT ghl($col1, '$pattern'), ghl($col2, '$pattern')"
      append resq " FROM t3 WHERE $expr"
      set res [db eval $resq]
      set idx1 $COLS($col1)
      set idx2 $COLS($col2)
      do_execsql_test 3.3.$x.$tn.{$colset}.highlight {
        SELECT highlight(t3, $idx1, '*', '*'), highlight(t3, $idx2, '*', '*')
          FROM t3($query)
      } $res
    }
  }
  execsql { INSERT INTO t3(t3) VALUES('optimize') }
  execsql { INSERT INTO t3(t3) VALUES('integrity-check') }
}


finish_test


Changes to ext/fts5/test/fts5simple.test.

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# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

if 1 {
#-------------------------------------------------------------------------
#
set doc "x x [string repeat {y } 50]z z"
do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(x);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 32);
  BEGIN;
................................................................................
  COMMIT;
} {}

do_execsql_test 5.4 {
  SELECT rowid FROM tt WHERE tt MATCH 'a*';
} {1 2}

}

do_execsql_test 5.5 {
  DELETE FROM tt;
  BEGIN;
    INSERT INTO tt VALUES('aa');
    INSERT INTO tt VALUES('ab');
    INSERT INTO tt VALUES('aa');
    INSERT INTO tt VALUES('ab');
................................................................................
do_catchsql_test 6.2 { 
  SELECT * FROM xyz WHERE xyz MATCH '' 
} {1 {fts5: syntax error near ""}}
do_catchsql_test 6.3 { 
  SELECT * FROM xyz WHERE xyz MATCH NULL 
} {1 {fts5: syntax error near ""}}
























































































































finish_test








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# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}


#-------------------------------------------------------------------------
#
set doc "x x [string repeat {y } 50]z z"
do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(x);
  INSERT INTO t1(t1, rank) VALUES('pgsz', 32);
  BEGIN;
................................................................................
  COMMIT;
} {}

do_execsql_test 5.4 {
  SELECT rowid FROM tt WHERE tt MATCH 'a*';
} {1 2}



do_execsql_test 5.5 {
  DELETE FROM tt;
  BEGIN;
    INSERT INTO tt VALUES('aa');
    INSERT INTO tt VALUES('ab');
    INSERT INTO tt VALUES('aa');
    INSERT INTO tt VALUES('ab');
................................................................................
do_catchsql_test 6.2 { 
  SELECT * FROM xyz WHERE xyz MATCH '' 
} {1 {fts5: syntax error near ""}}
do_catchsql_test 6.3 { 
  SELECT * FROM xyz WHERE xyz MATCH NULL 
} {1 {fts5: syntax error near ""}}

#-------------------------------------------------------------------------

do_execsql_test 7.1 {
  CREATE VIRTUAL TABLE ft2 USING fts5(content);
  INSERT INTO ft2(rowid, content) VALUES(1, 'a b c');
  INSERT INTO ft2(rowid, content) VALUES(2, 'a b d');
} 

do_catchsql_test 7.2 {
  BEGIN;
    UPDATE ft2 SET rowid=2 WHERE rowid=1;
} {1 {constraint failed}} 

do_execsql_test 7.3 {
  COMMIT;
  INSERT INTO ft2(ft2) VALUES('integrity-check');
} {}

do_execsql_test 7.4 {
  SELECT * FROM ft2;
} {{a b c} {a b d}}

#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 8.1 {
  CREATE VIRTUAL TABLE ft2 USING fts5(content);
  INSERT INTO ft2(rowid, content) VALUES(1, 'a b');
}

do_execsql_test 8.2 {
  BEGIN;
    INSERT INTO ft2(rowid, content) VALUES(4, 'a x');
}

do_execsql_test 8.3 {
  INSERT INTO ft2(ft2) VALUES('integrity-check');
}

#-------------------------------------------------------------------------
# Check that the "table function" syntax works.
#
reset_db
do_execsql_test 9.1 {
  CREATE VIRTUAL TABLE ft2 USING fts5(content);
  INSERT INTO ft2(rowid, content) VALUES(1, 'a b');
  INSERT INTO ft2(rowid, content) VALUES(2, 'a b c d');
  INSERT INTO ft2(rowid, content) VALUES(3, 'c d e f');
}

do_execsql_test 9.2 {
  SELECT rowid FROM ft2('a');
} {1 2}

do_execsql_test 9.3 {
  SELECT rowid FROM ft2('b AND c');
} {2}

#-------------------------------------------------------------------------
#
do_execsql_test 10.0 {
  CREATE VIRTUAL TABLE t3 USING fts5(a, b, c);
  INSERT INTO t3 VALUES('bac aab bab', 'c bac c', 'acb aba abb'); -- 1
  INSERT INTO t3 VALUES('bab abc c', 'acb c abb', 'c aaa c');     -- 2
}

do_execsql_test 10.1 {
  SELECT rowid FROM t3('c: c*');
} {2}

do_execsql_test 10.2 {
  SELECT rowid FROM t3('b: acb');
} {2}

#-------------------------------------------------------------------------
# Test that character 0x1A is allowed in fts5 barewords.
#
do_test 11.0 {
  execsql "CREATE VIRTUAL TABLE t4 USING fts5(x, tokenize=\"ascii tokenchars '\x1A'\")"
  execsql "
    INSERT INTO t4 VALUES('a b c \x1A');
    INSERT INTO t4 VALUES('a b c d\x1A');
    INSERT INTO t4 VALUES('a b c \x1Ad');
    INSERT INTO t4 VALUES('a b c d');
  "
} {}

do_test 11.1 {
  execsql "SELECT rowid FROM t4('\x1A')"
} {1}
do_test 11.2 {
  execsql "SELECT rowid FROM t4('\x1A*')"
} {1 3}
do_test 11.3 {
  execsql "SELECT rowid FROM t4('d\x1A')"
} {2}

do_test 11.4 {
  catchsql "SELECT rowid FROM t4('d\x1B')"
} {/fts5: syntax error/}
do_test 11.5 {
  catchsql "SELECT rowid FROM t4('d\x19')"
} {/fts5: syntax error/}

#-------------------------------------------------------------------------
#
do_test 12.1 {
  execsql {
    CREATE VIRTUAL TABLE xx USING fts5(x,y);
    BEGIN;
      INSERT INTO xx VALUES('1 2 3', 'a b c');
  }
} {}

do_execsql_test 12.2 {
  SELECT rowid FROM xx('x:a');
  COMMIT;
} {}

finish_test

Added ext/fts5/tool/fts5txt2db.tcl.















































































































































































































































































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proc usage {} {
  puts stderr "$::argv0 ?OPTIONS? DATABASE FILE1..."
  puts stderr ""
  puts stderr "Options are"
  puts stderr "  -fts5"
  puts stderr "  -fts4"
  puts stderr "  -colsize <list of column sizes>"
  puts stderr {
This script is designed to create fts4/5 tables with more than one column.
The -colsize option should be set to a Tcl list of integer values, one for
each column in the table. Each value is the number of tokens that will be
inserted into the column value for each row. For example, setting the -colsize
option to "5 10" creates an FTS table with 2 columns, with roughly 5 and 10
tokens per row in each, respectively.

Each "FILE" argument should be a text file. The contents of these text files is
split on whitespace characters to form a list of tokens. The first N1 tokens
are used for the first column of the first row, where N1 is the first element
of the -colsize list. The next N2 are used for the second column of the first
row, and so on. Rows are added to the table until the entire list of tokens
is exhausted.
}
  exit -1
}

set O(aColsize)       [list 10 10 10]
set O(tblname)        t1
set O(fts)            fts5


set options_with_values {-colsize}

for {set i 0} {$i < [llength $argv]} {incr i} {
  set opt [lindex $argv $i]
  if {[string range $opt 0 0]!="-"} break

  if {[lsearch $options_with_values $opt]>=0} {
    incr i
    if {$i==[llength $argv]} usage
    set val [lindex $argv $i]
  }

  switch -- $opt {
    -colsize {
      set O(aColSize) $val
    }

    -fts4 {
      set O(fts) fts4
    }

    -fts5 {
      set O(fts) fts5
    }
  }
}

if {$i > [llength $argv]-2} usage
set O(db) [lindex $argv $i]
set O(files) [lrange $argv [expr $i+1] end]

foreach {k v} [lrange $argv 0 end-2] {
  switch -- $k {
    -colsize {
      set O(aColSize) $v
    }

    -colsize {
      set O(aColSize) $v
    }
  }

}

sqlite3 db $O(db)
load_static_extension db fts5


# Create the FTS table in the db. Return a list of the table columns.
#
proc create_table {} {
  global O
  set cols [list a b c d e f g h i j k l m n o p q r s t u v w x y z]

  set nCol [llength $O(aColsize)]
  set cols [lrange $cols 0 [expr $nCol-1]]

  set sql    "CREATE VIRTUAL TABLE IF NOT EXISTS $O(tblname) USING $O(fts) ("
  append sql [join $cols ,]
  append sql ");"

  db eval $sql
  return $cols
}

# Return a list of tokens from the named file.
#
proc readfile {file} {
  set fd [open $file]
  set data [read $fd]
  close $fd
  split $data
}


# Load all the data into a big list of tokens.
#
set tokens [list]
foreach f $O(files) {
  set tokens [concat $tokens [readfile $f]]
}

set N [llength $tokens]
set i 0
set cols [create_table]
set sql "INSERT INTO $O(tblname) VALUES(\$[lindex $cols 0]"
foreach c [lrange $cols 1 end] {
  append sql ", \$$c"
}
append sql ")"

db eval BEGIN
  while {$i < $N} {
    foreach c $cols s $O(aColsize) {
      set $c [lrange $tokens $i [expr $i+$s-1]]
      incr i $s
    }
    db eval $sql
  }
db eval COMMIT



Changes to ext/fts5/tool/mkfts5c.tcl.

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exec tclsh "$0" "$@"

set srcdir [file dirname [file dirname [info script]]]
set G(src) [string map [list %dir% $srcdir] {
  %dir%/fts5.h
  %dir%/fts5Int.h
  fts5parse.h

  %dir%/fts5_aux.c
  %dir%/fts5_buffer.c
  %dir%/fts5_config.c
  %dir%/fts5_expr.c
  %dir%/fts5_hash.c
  %dir%/fts5_index.c
  %dir%/fts5_main.c
  %dir%/fts5_storage.c
  %dir%/fts5_tokenize.c
  %dir%/fts5_unicode2.c
  %dir%/fts5_varint.c
  %dir%/fts5_vocab.c
  fts5parse.c
}]

set G(hdr) {

#if !defined(SQLITE_TEST) || defined(SQLITE_ENABLE_FTS5) 

#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) 
# define NDEBUG 1
#endif
#if defined(NDEBUG) && defined(SQLITE_DEBUG)
# undef NDEBUG
#endif

}

set G(footer) {
    
#endif /* !defined(SQLITE_TEST) || defined(SQLITE_ENABLE_FTS5) */
}

#-------------------------------------------------------------------------
# Read and return the entire contents of text file $zFile from disk.
#
proc readfile {zFile} {
  set fd [open $zFile]
................................................................................
  set sub_map [list --FTS5-SOURCE-ID-- [fts5_source_id $::srcdir]]
  if {$zTail=="fts5parse.c"} {
    lappend sub_map yy fts5yy YY fts5YY TOKEN FTS5TOKEN
  }

  foreach line [split $data "\n"] {
    if {[regexp {^#include.*fts5} $line]} continue

    if {[regexp {^(const )?[a-zA-Z][a-zA-Z0-9]* [*]?sqlite3Fts5} $line]} {

      set line "static $line"
    }
    set line [string map $sub_map $line]
    puts $G(fd) $line
  }
}

................................................................................
  }
}


fts5c_init fts5.c
foreach f $G(src) { fts5c_printfile $f }
fts5c_close











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exec tclsh "$0" "$@"

set srcdir [file dirname [file dirname [info script]]]
set G(src) [string map [list %dir% $srcdir] {
  %dir%/fts5.h
  %dir%/fts5Int.h
  fts5parse.h
  fts5parse.c
  %dir%/fts5_aux.c
  %dir%/fts5_buffer.c
  %dir%/fts5_config.c
  %dir%/fts5_expr.c
  %dir%/fts5_hash.c
  %dir%/fts5_index.c
  %dir%/fts5_main.c
  %dir%/fts5_storage.c
  %dir%/fts5_tokenize.c
  %dir%/fts5_unicode2.c
  %dir%/fts5_varint.c
  %dir%/fts5_vocab.c

}]

set G(hdr) {

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) 

#if !defined(NDEBUG) && !defined(SQLITE_DEBUG) 
# define NDEBUG 1
#endif
#if defined(NDEBUG) && defined(SQLITE_DEBUG)
# undef NDEBUG
#endif

}

set G(footer) {
    
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5) */
}

#-------------------------------------------------------------------------
# Read and return the entire contents of text file $zFile from disk.
#
proc readfile {zFile} {
  set fd [open $zFile]
................................................................................
  set sub_map [list --FTS5-SOURCE-ID-- [fts5_source_id $::srcdir]]
  if {$zTail=="fts5parse.c"} {
    lappend sub_map yy fts5yy YY fts5YY TOKEN FTS5TOKEN
  }

  foreach line [split $data "\n"] {
    if {[regexp {^#include.*fts5} $line]} continue
    if { ![regexp { sqlite3Fts5Init\(} $line] 
       && [regexp {^(const )?[a-zA-Z][a-zA-Z0-9]* [*]?sqlite3Fts5} $line]
    } {
      set line "static $line"
    }
    set line [string map $sub_map $line]
    puts $G(fd) $line
  }
}

................................................................................
  }
}


fts5c_init fts5.c
foreach f $G(src) { fts5c_printfile $f }
fts5c_close




Changes to ext/misc/json1.c.

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**
** For the time being, all JSON is stored as pure text.  (We might add
** a JSONB type in the future which stores a binary encoding of JSON in
** a BLOB, but there is no support for JSONB in the current implementation.
** This implementation parses JSON text at 250 MB/s, so it is hard to see
** how JSONB might improve on that.)
*/

#if !defined(_SQLITEINT_H_)
#include "sqlite3ext.h"
#endif
SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>

#define UNUSED_PARAM(X)  (void)(X)






/*
** Versions of isspace(), isalnum() and isdigit() to which it is safe
** to pass signed char values.
*/
#define safe_isdigit(x) isdigit((unsigned char)(x))
#define safe_isalnum(x) isalnum((unsigned char)(x))
................................................................................
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
};
#define safe_isspace(x) (jsonIsSpace[(unsigned char)x])


/* Unsigned integer types */

typedef sqlite3_uint64 u64;
typedef unsigned int u32;
typedef unsigned char u8;


/* Objects */
typedef struct JsonString JsonString;
typedef struct JsonNode JsonNode;
typedef struct JsonParse JsonParse;

/* An instance of this object represents a JSON string
................................................................................
      sqlite3_result_int(pCtx, 1);
      break;
    }
    case JSON_FALSE: {
      sqlite3_result_int(pCtx, 0);
      break;
    }
    case JSON_REAL: {
      double r = strtod(pNode->u.zJContent, 0);
      sqlite3_result_double(pCtx, r);
      break;
    }
    case JSON_INT: {
      sqlite3_int64 i = 0;
      const char *z = pNode->u.zJContent;
      if( z[0]=='-' ){ z++; }
      while( z[0]>='0' && z[0]<='9' ){ i = i*10 + *(z++) - '0'; }
















      if( pNode->u.zJContent[0]=='-' ){ i = -i; }
      sqlite3_result_int64(pCtx, i);







      break;
    }
    case JSON_STRING: {
#if 0 /* Never happens because JNODE_RAW is only set by json_set(),
      ** json_insert() and json_replace() and those routines do not
      ** call jsonReturn() */
      if( pNode->jnFlags & JNODE_RAW ){
................................................................................
  return SQLITE_OK;
}

/*
** Compare the OBJECT label at pNode against zKey,nKey.  Return true on
** a match.
*/
static int jsonLabelCompare(JsonNode *pNode, const char *zKey, int nKey){
  if( pNode->jnFlags & JNODE_RAW ){
    if( pNode->n!=nKey ) return 0;
    return strncmp(pNode->u.zJContent, zKey, nKey)==0;
  }else{
    if( pNode->n!=nKey+2 ) return 0;
    return strncmp(pNode->u.zJContent+1, zKey, nKey)==0;
  }
................................................................................
  0,                         /* xSavepoint */
  0,                         /* xRelease */
  0                          /* xRollbackTo */
};
#endif /* SQLITE_OMIT_VIRTUALTABLE */

/****************************************************************************
** The following routine is the only publically visible identifier in this
** file.  Call the following routine in order to register the various SQL
** functions and the virtual table implemented by this file.
****************************************************************************/

#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_json_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  int rc = SQLITE_OK;
  unsigned int i;
  static const struct {
     const char *zName;
     int nArg;
     int flag;
     void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
................................................................................
     const char *zName;
     sqlite3_module *pModule;
  } aMod[] = {
    { "json_each",            &jsonEachModule               },
    { "json_tree",            &jsonTreeModule               },
  };
#endif
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg,
                                 SQLITE_UTF8 | SQLITE_DETERMINISTIC, 
                                 (void*)&aFunc[i].flag,
                                 aFunc[i].xFunc, 0, 0);
  }
#ifndef SQLITE_OMIT_VIRTUALTABLE
  for(i=0; i<sizeof(aMod)/sizeof(aMod[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_module(db, aMod[i].zName, aMod[i].pModule, 0);
  }
#endif
  return rc;
}
























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**
** For the time being, all JSON is stored as pure text.  (We might add
** a JSONB type in the future which stores a binary encoding of JSON in
** a BLOB, but there is no support for JSONB in the current implementation.
** This implementation parses JSON text at 250 MB/s, so it is hard to see
** how JSONB might improve on that.)
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_JSON1)
#if !defined(_SQLITEINT_H_)
#include "sqlite3ext.h"
#endif
SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>
#include <ctype.h>  /* amalgamator: keep */
#include <stdlib.h>
#include <stdarg.h>

#define UNUSED_PARAM(X)  (void)(X)

#ifndef LARGEST_INT64
# define LARGEST_INT64  (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif

/*
** Versions of isspace(), isalnum() and isdigit() to which it is safe
** to pass signed char values.
*/
#define safe_isdigit(x) isdigit((unsigned char)(x))
#define safe_isalnum(x) isalnum((unsigned char)(x))
................................................................................
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
};
#define safe_isspace(x) (jsonIsSpace[(unsigned char)x])

#ifndef SQLITE_AMALGAMATION
  /* Unsigned integer types.  These are already defined in the sqliteInt.h,
  ** but the definitions need to be repeated for separate compilation. */
  typedef sqlite3_uint64 u64;
  typedef unsigned int u32;
  typedef unsigned char u8;
#endif

/* Objects */
typedef struct JsonString JsonString;
typedef struct JsonNode JsonNode;
typedef struct JsonParse JsonParse;

/* An instance of this object represents a JSON string
................................................................................
      sqlite3_result_int(pCtx, 1);
      break;
    }
    case JSON_FALSE: {
      sqlite3_result_int(pCtx, 0);
      break;
    }





    case JSON_INT: {
      sqlite3_int64 i = 0;
      const char *z = pNode->u.zJContent;
      if( z[0]=='-' ){ z++; }
      while( z[0]>='0' && z[0]<='9' ){
        unsigned v = *(z++) - '0';
        if( i>=LARGEST_INT64/10 ){
          if( i>LARGEST_INT64/10 ) goto int_as_real;
          if( z[0]>='0' && z[0]<='9' ) goto int_as_real;
          if( v==9 ) goto int_as_real;
          if( v==8 ){
            if( pNode->u.zJContent[0]=='-' ){
              sqlite3_result_int64(pCtx, SMALLEST_INT64);
              goto int_done;
            }else{
              goto int_as_real;
            }
          }
        }
        i = i*10 + v;
      }
      if( pNode->u.zJContent[0]=='-' ){ i = -i; }
      sqlite3_result_int64(pCtx, i);
      int_done:
      break;
      int_as_real: /* fall through to real */;
    }
    case JSON_REAL: {
      double r = strtod(pNode->u.zJContent, 0);
      sqlite3_result_double(pCtx, r);
      break;
    }
    case JSON_STRING: {
#if 0 /* Never happens because JNODE_RAW is only set by json_set(),
      ** json_insert() and json_replace() and those routines do not
      ** call jsonReturn() */
      if( pNode->jnFlags & JNODE_RAW ){
................................................................................
  return SQLITE_OK;
}

/*
** Compare the OBJECT label at pNode against zKey,nKey.  Return true on
** a match.
*/
static int jsonLabelCompare(JsonNode *pNode, const char *zKey, u32 nKey){
  if( pNode->jnFlags & JNODE_RAW ){
    if( pNode->n!=nKey ) return 0;
    return strncmp(pNode->u.zJContent, zKey, nKey)==0;
  }else{
    if( pNode->n!=nKey+2 ) return 0;
    return strncmp(pNode->u.zJContent+1, zKey, nKey)==0;
  }
................................................................................
  0,                         /* xSavepoint */
  0,                         /* xRelease */
  0                          /* xRollbackTo */
};
#endif /* SQLITE_OMIT_VIRTUALTABLE */

/****************************************************************************
** The following routines are the only publically visible identifiers in this
** file.  Call the following routines in order to register the various SQL
** functions and the virtual table implemented by this file.
****************************************************************************/




int sqlite3Json1Init(sqlite3 *db){




  int rc = SQLITE_OK;
  unsigned int i;
  static const struct {
     const char *zName;
     int nArg;
     int flag;
     void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
................................................................................
     const char *zName;
     sqlite3_module *pModule;
  } aMod[] = {
    { "json_each",            &jsonEachModule               },
    { "json_tree",            &jsonTreeModule               },
  };
#endif


  for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg,
                                 SQLITE_UTF8 | SQLITE_DETERMINISTIC, 
                                 (void*)&aFunc[i].flag,
                                 aFunc[i].xFunc, 0, 0);
  }
#ifndef SQLITE_OMIT_VIRTUALTABLE
  for(i=0; i<sizeof(aMod)/sizeof(aMod[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_module(db, aMod[i].zName, aMod[i].pModule, 0);
  }
#endif
  return rc;
}


#ifndef SQLITE_CORE
#ifdef _WIN32
__declspec(dllexport)
#endif
int sqlite3_json_init(
  sqlite3 *db, 
  char **pzErrMsg, 
  const sqlite3_api_routines *pApi
){
  SQLITE_EXTENSION_INIT2(pApi);
  (void)pzErrMsg;  /* Unused parameter */
  return sqlite3Json1Init(db);
}
#endif
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_JSON1) */

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#include <string.h>
#include <stdio.h>

#include "sqlite3.h"

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_RBU)
#include "sqlite3rbu.h"





/* Maximum number of prepared UPDATE statements held by this module */
#define SQLITE_RBU_UPDATE_CACHESIZE 16

/*
** Swap two objects of type TYPE.
*/
................................................................................
  assert( p->rc==SQLITE_OK );
  p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_SHARED);
  if( p->rc==SQLITE_OK ){
    p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_EXCLUSIVE);
  }
}

























/*
** The RBU handle is currently in RBU_STAGE_OAL state, with a SHARED lock
** on the database file. This proc moves the *-oal file to the *-wal path,
** then reopens the database file (this time in vanilla, non-oal, WAL mode).
** If an error occurs, leave an error code and error message in the rbu 
** handle.
*/
................................................................................
      rbuFileSuffix3(zBase, zWal);
      rbuFileSuffix3(zBase, zOal);

      /* Re-open the databases. */
      rbuObjIterFinalize(&p->objiter);
      sqlite3_close(p->dbMain);
      sqlite3_close(p->dbRbu);
      p->rc = rename(zOal, zWal) ? SQLITE_IOERR : SQLITE_OK;
      if( p->rc==SQLITE_OK ){
        p->dbMain = 0;
        p->dbRbu = 0;





























        rbuOpenDatabase(p);
        rbuSetupCheckpoint(p, 0);
      }
    }
  }

  sqlite3_free(zWal);







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#include <string.h>
#include <stdio.h>

#include "sqlite3.h"

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_RBU)
#include "sqlite3rbu.h"

#if defined(_WIN32_WCE)
#include "windows.h"
#endif

/* Maximum number of prepared UPDATE statements held by this module */
#define SQLITE_RBU_UPDATE_CACHESIZE 16

/*
** Swap two objects of type TYPE.
*/
................................................................................
  assert( p->rc==SQLITE_OK );
  p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_SHARED);
  if( p->rc==SQLITE_OK ){
    p->rc = pReal->pMethods->xLock(pReal, SQLITE_LOCK_EXCLUSIVE);
  }
}

#if defined(_WIN32_WCE)
static LPWSTR rbuWinUtf8ToUnicode(const char *zFilename){
  int nChar;
  LPWSTR zWideFilename;

  nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, NULL, 0);
  if( nChar==0 ){
    return 0;
  }
  zWideFilename = sqlite3_malloc( nChar*sizeof(zWideFilename[0]) );
  if( zWideFilename==0 ){
    return 0;
  }
  memset(zWideFilename, 0, nChar*sizeof(zWideFilename[0]));
  nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename,
                                nChar);
  if( nChar==0 ){
    sqlite3_free(zWideFilename);
    zWideFilename = 0;
  }
  return zWideFilename;
}
#endif

/*
** The RBU handle is currently in RBU_STAGE_OAL state, with a SHARED lock
** on the database file. This proc moves the *-oal file to the *-wal path,
** then reopens the database file (this time in vanilla, non-oal, WAL mode).
** If an error occurs, leave an error code and error message in the rbu 
** handle.
*/
................................................................................
      rbuFileSuffix3(zBase, zWal);
      rbuFileSuffix3(zBase, zOal);

      /* Re-open the databases. */
      rbuObjIterFinalize(&p->objiter);
      sqlite3_close(p->dbMain);
      sqlite3_close(p->dbRbu);


      p->dbMain = 0;
      p->dbRbu = 0;

#if defined(_WIN32_WCE)
      {
        LPWSTR zWideOal;
        LPWSTR zWideWal;

        zWideOal = rbuWinUtf8ToUnicode(zOal);
        if( zWideOal ){
          zWideWal = rbuWinUtf8ToUnicode(zWal);
          if( zWideWal ){
            if( MoveFileW(zWideOal, zWideWal) ){
              p->rc = SQLITE_OK;
            }else{
              p->rc = SQLITE_IOERR;
            }
            sqlite3_free(zWideWal);
          }else{
            p->rc = SQLITE_IOERR_NOMEM;
          }
          sqlite3_free(zWideOal);
        }else{
          p->rc = SQLITE_IOERR_NOMEM;
        }
      }
#else
      p->rc = rename(zOal, zWal) ? SQLITE_IOERR : SQLITE_OK;
#endif

      if( p->rc==SQLITE_OK ){
        rbuOpenDatabase(p);
        rbuSetupCheckpoint(p, 0);
      }
    }
  }

  sqlite3_free(zWal);

Changes to ext/rbu/sqlite3rbu.h.

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** the suspended RBU update is also an error (SQLITE_BUSY).
*/

#ifndef _SQLITE3RBU_H
#define _SQLITE3RBU_H

#include "sqlite3.h"              /* Required for error code definitions */





typedef struct sqlite3rbu sqlite3rbu;

/*
** Open an RBU handle.
**
** Argument zTarget is the path to the target database. Argument zRbu is
................................................................................
** sqlite3rbu_create_vfs().
**
** VFS objects are not reference counted. If a VFS object is destroyed
** before all database handles that use it have been closed, the results
** are undefined.
*/
void sqlite3rbu_destroy_vfs(const char *zName);





#endif /* _SQLITE3RBU_H */







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** the suspended RBU update is also an error (SQLITE_BUSY).
*/

#ifndef _SQLITE3RBU_H
#define _SQLITE3RBU_H

#include "sqlite3.h"              /* Required for error code definitions */

#ifdef __cplusplus
extern "C" {
#endif

typedef struct sqlite3rbu sqlite3rbu;

/*
** Open an RBU handle.
**
** Argument zTarget is the path to the target database. Argument zRbu is
................................................................................
** sqlite3rbu_create_vfs().
**
** VFS objects are not reference counted. If a VFS object is destroyed
** before all database handles that use it have been closed, the results
** are undefined.
*/
void sqlite3rbu_destroy_vfs(const char *zName);

#ifdef __cplusplus
}  /* end of the 'extern "C"' block */
#endif

#endif /* _SQLITE3RBU_H */

Changes to ext/rtree/rtree1.test.

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#   rtree-5.*: Test DELETE
#   rtree-6.*: Test UPDATE
#   rtree-7.*: Test renaming an r-tree table.
#   rtree-8.*: Test constrained scans of r-tree data.
#
#   rtree-12.*: Test that on-conflict clauses are supported.
#   rtree-13.*: Test that bug [d2889096e7bdeac6d] has been fixed.





#

ifcapable !rtree {
  finish_test
  return
}

................................................................................
  WITH r(x) AS (
    SELECT 1 UNION ALL
    SELECT 2 UNION ALL
    SELECT 3
  )
  SELECT * FROM r CROSS JOIN t9 WHERE id=x;
} {1 1 0.0 0.0 2 2 0.0 0.0}



















































finish_test







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#   rtree-5.*: Test DELETE
#   rtree-6.*: Test UPDATE
#   rtree-7.*: Test renaming an r-tree table.
#   rtree-8.*: Test constrained scans of r-tree data.
#
#   rtree-12.*: Test that on-conflict clauses are supported.
#   rtree-13.*: Test that bug [d2889096e7bdeac6d] has been fixed.
#   rtree-14.*: Test if a non-integer is inserted into the PK column of an
#               r-tree table, it is converted to an integer before being
#               inserted. Also that if a non-numeric is inserted into one
#               of the min/max dimension columns, it is converted to the
#               required type before being inserted.
#

ifcapable !rtree {
  finish_test
  return
}

................................................................................
  WITH r(x) AS (
    SELECT 1 UNION ALL
    SELECT 2 UNION ALL
    SELECT 3
  )
  SELECT * FROM r CROSS JOIN t9 WHERE id=x;
} {1 1 0.0 0.0 2 2 0.0 0.0}

#-------------------------------------------------------------------------
# Test if a non-integer is inserted into the PK column of an r-tree
# table, it is converted to an integer before being inserted. Also
# that if a non-numeric is inserted into one of the min/max dimension
# columns, it is converted to the required type before being inserted.
#
do_execsql_test 14.1 {
  CREATE VIRTUAL TABLE t10 USING rtree(ii, x1, x2);
}

do_execsql_test 14.2 {
  INSERT INTO t10 VALUES(NULL,   1, 2);
  INSERT INTO t10 VALUES(NULL,   2, 3);
  INSERT INTO t10 VALUES('4xxx', 3, 4);
  INSERT INTO t10 VALUES(5.0,    4, 5);
  INSERT INTO t10 VALUES(6.4,    5, 6);
}
do_execsql_test 14.3 {
  SELECT * FROM t10;
} {
  1 1.0 2.0   2 2.0 3.0   4 3.0 4.0   5 4.0 5.0   6 5.0 6.0
}

do_execsql_test 14.4 {
  DELETE FROM t10;
  INSERT INTO t10 VALUES(1, 'one', 'two');
  INSERT INTO t10 VALUES(2, '52xyz', '81...');
}
do_execsql_test 14.5 {
  SELECT * FROM t10;
} {
  1 0.0 0.0
  2 52.0 81.0
}

do_execsql_test 14.4 {
  DROP TABLE t10;
  CREATE VIRTUAL TABLE t10 USING rtree_i32(ii, x1, x2);
  INSERT INTO t10 VALUES(1, 'one', 'two');
  INSERT INTO t10 VALUES(2, '52xyz', '81...');
  INSERT INTO t10 VALUES(3, 42.3, 49.9);
}
do_execsql_test 14.5 {
  SELECT * FROM t10;
} {
  1 0 0
  2 52 81
  3 42 49
}

finish_test

Changes to main.mk.

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#                  "configure.in" script.
#
# BCC              C Compiler and options for use in building executables that
#                  will run on the platform that is doing the build.
#
# THREADLIB        Specify any extra linker options needed to make the library
#                  thread safe


#
# OPTS             Extra compiler command-line options.
#
# EXE              The suffix to add to executable files.  ".exe" for windows
#                  and "" for Unix.
#
# TCC              C Compiler and options for use in building executables that 
................................................................................
#
# READLINE_FLAGS   Compiler options needed for programs that use the
#                  readline() library.
#
# LIBREADLINE      Linker options needed by programs using readline() must
#                  link against.
#
# NAWK             Nawk compatible awk program.  Older (obsolete?) solaris
#                  systems need this to avoid using the original AT&T AWK.
#
# Once the macros above are defined, the rest of this make script will
# build the SQLite library and testing tools.
################################################################################

# This is how we compile
#
TCCX =  $(TCC) $(OPTS) -I. -I$(TOP)/src -I$(TOP) 
TCCX += -I$(TOP)/ext/rtree -I$(TOP)/ext/icu -I$(TOP)/ext/fts3
TCCX += -I$(TOP)/ext/async -I$(TOP)/ext/userauth
TCCX += -I$(TOP)/ext/fts5


# Object files for the SQLite library.
#
LIBOBJ+= vdbe.o parse.o \
         alter.o analyze.o attach.o auth.o \
         backup.o bitvec.o btmutex.o btree.o build.o \
         callback.o complete.o ctime.o date.o dbstat.o delete.o expr.o fault.o fkey.o \

         fts3.o fts3_aux.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
         fts3_snippet.o fts3_tokenizer.o fts3_tokenizer1.o \
         fts3_tokenize_vtab.o \
	 fts3_unicode.o fts3_unicode2.o \
         fts3_write.o func.o global.o hash.o \
         icu.o insert.o journal.o legacy.o loadext.o \
         main.o malloc.o mem0.o mem1.o mem2.o mem3.o mem5.o \
         memjournal.o \
         mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
         notify.o opcodes.o os.o os_unix.o os_win.o \
         pager.o pcache.o pcache1.o pragma.o prepare.o printf.o \
         random.o resolve.o rowset.o rtree.o select.o sqlite3rbu.o status.o \
         table.o threads.o tokenize.o treeview.o trigger.o \
................................................................................
SRC += \
  $(TOP)/ext/rtree/sqlite3rtree.h \
  $(TOP)/ext/rtree/rtree.h \
  $(TOP)/ext/rtree/rtree.c
SRC += \
  $(TOP)/ext/userauth/userauth.c \
  $(TOP)/ext/userauth/sqlite3userauth.h 

SRC += \
  $(TOP)/ext/rbu/sqlite3rbu.c \
  $(TOP)/ext/rbu/sqlite3rbu.h




# FTS5 things
#
FTS5_HDR = \
   $(TOP)/ext/fts5/fts5.h \
   $(TOP)/ext/fts5/fts5Int.h \
................................................................................
TESTSRC += \
  $(TOP)/ext/misc/amatch.c \
  $(TOP)/ext/misc/closure.c \
  $(TOP)/ext/misc/eval.c \
  $(TOP)/ext/misc/fileio.c \
  $(TOP)/ext/misc/fuzzer.c \
  $(TOP)/ext/misc/ieee754.c \
  $(TOP)/ext/misc/json1.c \
  $(TOP)/ext/misc/nextchar.c \
  $(TOP)/ext/misc/percentile.c \
  $(TOP)/ext/misc/regexp.c \
  $(TOP)/ext/misc/series.c \
  $(TOP)/ext/misc/spellfix.c \
  $(TOP)/ext/misc/totype.c \
  $(TOP)/ext/misc/wholenumber.c \
  $(TOP)/ext/misc/vfslog.c \
  $(TOP)/ext/fts5/fts5_tcl.c \
  $(TOP)/ext/fts5/fts5_test_mi.c \
  fts5.c


#TESTSRC += $(TOP)/ext/fts2/fts2_tokenizer.c
#TESTSRC += $(TOP)/ext/fts3/fts3_tokenizer.c

TESTSRC2 = \
  $(TOP)/src/attach.c \
................................................................................
  $(TOP)/src/whereexpr.c \
  parse.c \
  $(TOP)/ext/fts3/fts3.c \
  $(TOP)/ext/fts3/fts3_aux.c \
  $(TOP)/ext/fts3/fts3_expr.c \
  $(TOP)/ext/fts3/fts3_tokenizer.c \
  $(TOP)/ext/fts3/fts3_write.c \
  $(TOP)/ext/async/sqlite3async.c 

# Header files used by all library source files.
#
HDR = \
   $(TOP)/src/btree.h \
   $(TOP)/src/btreeInt.h \
   $(TOP)/src/hash.h \
................................................................................
#
FUZZDATA = \
  $(TOP)/test/fuzzdata1.db \
  $(TOP)/test/fuzzdata2.db \
  $(TOP)/test/fuzzdata3.db \
  $(TOP)/test/fuzzdata4.db

# Extra arguments for including json1 in the build of tools
#
JSON1_DEP = $(TOP)/ext/misc/json1.c sqlite3ext.h
JSON1_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_CORE
JSON1_SRC = $(TOP)/ext/misc/json1.c

# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt







# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	sqlite3.h libsqlite3.a sqlite3$(EXE)

libsqlite3.a:	$(LIBOBJ)
	$(AR) libsqlite3.a $(LIBOBJ)
	$(RANLIB) libsqlite3.a

sqlite3$(EXE):	$(TOP)/src/shell.c libsqlite3.a sqlite3.h $(JSON1_DEP)
	$(TCCX) $(READLINE_FLAGS) $(JSON1_OPT) -o sqlite3$(EXE)  \
		$(TOP)/src/shell.c $(JSON1_SRC) \
		libsqlite3.a $(LIBREADLINE) $(TLIBS) $(THREADLIB)

sqldiff$(EXE):	$(TOP)/tool/sqldiff.c sqlite3.c sqlite3.h
	$(TCCX) -o sqldiff$(EXE) -DSQLITE_THREADSAFE=0 \
		$(TOP)/tool/sqldiff.c sqlite3.c $(TLIBS) $(THREADLIB)

fuzzershell$(EXE):	$(TOP)/tool/fuzzershell.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(TCCX) -o fuzzershell$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
	  $(JSON1_OPT)	$(TOP)/tool/fuzzershell.c $(JSON1_SRC) sqlite3.c \
	  $(TLIBS) $(THREADLIB)

fuzzcheck$(EXE):	$(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h $(JSON1_DEP)
	$(TCCX) -o fuzzcheck$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
		-DSQLITE_ENABLE_MEMSYS5 $(JSON1_OPT) \
		$(TOP)/test/fuzzcheck.c $(JSON1_SRC) sqlite3.c $(TLIBS) $(THREADLIB)

mptester$(EXE):	sqlite3.c $(TOP)/mptest/mptest.c
	$(TCCX) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \
		$(TLIBS) $(THREADLIB)

MPTEST1=./mptester$(EXE) mptest.db $(TOP)/mptest/crash01.test --repeat 20
MPTEST2=./mptester$(EXE) mptest.db $(TOP)/mptest/multiwrite01.test --repeat 20
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
target_source:	$(SRC) $(TOP)/tool/vdbe-compress.tcl
	rm -rf tsrc
	mkdir tsrc
	cp -f $(SRC) tsrc
	rm tsrc/sqlite.h.in tsrc/parse.y
	tclsh $(TOP)/tool/vdbe-compress.tcl $(OPTS) <tsrc/vdbe.c >vdbe.new
	mv vdbe.new tsrc/vdbe.c

	touch target_source

sqlite3.c:	target_source $(TOP)/tool/mksqlite3c.tcl
	tclsh $(TOP)/tool/mksqlite3c.tcl
	cp tsrc/shell.c tsrc/sqlite3ext.h .
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	cat $(TOP)/src/tclsqlite.c >>tclsqlite3.c




sqlite3.c-debug:	target_source $(TOP)/tool/mksqlite3c.tcl
	tclsh $(TOP)/tool/mksqlite3c.tcl --linemacros
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	echo '#line 1 "tclsqlite.c"' >>tclsqlite3.c
................................................................................
tclsqlite.o:	$(TOP)/src/tclsqlite.c $(HDR)
	$(TCCX) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c



# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)/mkopcodec.awk
	$(NAWK) -f $(TOP)/mkopcodec.awk opcodes.h >opcodes.c

opcodes.h:	parse.h $(TOP)/src/vdbe.c $(TOP)/mkopcodeh.awk
	cat parse.h $(TOP)/src/vdbe.c | \
		$(NAWK) -f $(TOP)/mkopcodeh.awk >opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)/src/parse.y lemon $(TOP)/addopcodes.awk
	cp $(TOP)/src/parse.y .
	rm -f parse.h
	./lemon -s $(OPTS) parse.y
	mv parse.h parse.h.temp
	$(NAWK) -f $(TOP)/addopcodes.awk parse.h.temp >parse.h

sqlite3.h:	$(TOP)/src/sqlite.h.in $(TOP)/manifest.uuid $(TOP)/VERSION $(TOP)/ext/rtree/sqlite3rtree.h
	tclsh $(TOP)/tool/mksqlite3h.tcl $(TOP) >sqlite3.h

keywordhash.h:	$(TOP)/tool/mkkeywordhash.c
	$(BCC) -o mkkeywordhash $(OPTS) $(TOP)/tool/mkkeywordhash.c
	./mkkeywordhash >keywordhash.h
................................................................................

fts3_unicode2.o:	$(TOP)/ext/fts3/fts3_unicode2.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_unicode2.c

fts3_write.o:	$(TOP)/ext/fts3/fts3_write.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_write.c







rtree.o:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c



fts5parse.c:	$(TOP)/ext/fts5/fts5parse.y lemon 
	cp $(TOP)/ext/fts5/fts5parse.y .
	rm -f fts5parse.h
	./lemon $(OPTS) fts5parse.y

fts5parse.h: fts5parse.c
................................................................................

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	$(NAWK) -f $(TOP)/tool/tostr.awk $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(EXE): sqlite3_analyzer.c
	$(TCCX) $(TCL_FLAGS) sqlite3_analyzer.c -o $@ $(LIBTCL) $(THREADLIB) 

# Rules to build the 'testfixture' application.
#
................................................................................
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 

testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) libsqlite3.a $(THREADLIB)

amalgamation-testfixture$(EXE): sqlite3.c fts5.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts5.c           \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fts3-testfixture$(EXE): sqlite3.c fts3amal.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
	-DSQLITE_ENABLE_FTS3=1                                               \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts3amal.c       \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)







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#                  "configure.in" script.
#
# BCC              C Compiler and options for use in building executables that
#                  will run on the platform that is doing the build.
#
# THREADLIB        Specify any extra linker options needed to make the library
#                  thread safe
#
# LIBS             Extra libraries options
#
# OPTS             Extra compiler command-line options.
#
# EXE              The suffix to add to executable files.  ".exe" for windows
#                  and "" for Unix.
#
# TCC              C Compiler and options for use in building executables that 
................................................................................
#
# READLINE_FLAGS   Compiler options needed for programs that use the
#                  readline() library.
#
# LIBREADLINE      Linker options needed by programs using readline() must
#                  link against.
#



# Once the macros above are defined, the rest of this make script will
# build the SQLite library and testing tools.
################################################################################

# This is how we compile
#
TCCX =  $(TCC) $(OPTS) -I. -I$(TOP)/src -I$(TOP) 
TCCX += -I$(TOP)/ext/rtree -I$(TOP)/ext/icu -I$(TOP)/ext/fts3
TCCX += -I$(TOP)/ext/async -I$(TOP)/ext/userauth
TCCX += -I$(TOP)/ext/fts5
THREADLIB += $(LIBS)

# Object files for the SQLite library.
#
LIBOBJ+= vdbe.o parse.o \
         alter.o analyze.o attach.o auth.o \
         backup.o bitvec.o btmutex.o btree.o build.o \
         callback.o complete.o ctime.o date.o dbstat.o delete.o expr.o \
	 fault.o fkey.o \
         fts3.o fts3_aux.o fts3_expr.o fts3_hash.o fts3_icu.o fts3_porter.o \
         fts3_snippet.o fts3_tokenizer.o fts3_tokenizer1.o \
         fts3_tokenize_vtab.o \
	 fts3_unicode.o fts3_unicode2.o \
         fts3_write.o fts5.o func.o global.o hash.o \
         icu.o insert.o journal.o json1.o legacy.o loadext.o \
         main.o malloc.o mem0.o mem1.o mem2.o mem3.o mem5.o \
         memjournal.o \
         mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
         notify.o opcodes.o os.o os_unix.o os_win.o \
         pager.o pcache.o pcache1.o pragma.o prepare.o printf.o \
         random.o resolve.o rowset.o rtree.o select.o sqlite3rbu.o status.o \
         table.o threads.o tokenize.o treeview.o trigger.o \
................................................................................
SRC += \
  $(TOP)/ext/rtree/sqlite3rtree.h \
  $(TOP)/ext/rtree/rtree.h \
  $(TOP)/ext/rtree/rtree.c
SRC += \
  $(TOP)/ext/userauth/userauth.c \
  $(TOP)/ext/userauth/sqlite3userauth.h 

SRC += \
  $(TOP)/ext/rbu/sqlite3rbu.c \
  $(TOP)/ext/rbu/sqlite3rbu.h
SRC += \
  $(TOP)/ext/misc/json1.c


# FTS5 things
#
FTS5_HDR = \
   $(TOP)/ext/fts5/fts5.h \
   $(TOP)/ext/fts5/fts5Int.h \
................................................................................
TESTSRC += \
  $(TOP)/ext/misc/amatch.c \
  $(TOP)/ext/misc/closure.c \
  $(TOP)/ext/misc/eval.c \
  $(TOP)/ext/misc/fileio.c \
  $(TOP)/ext/misc/fuzzer.c \
  $(TOP)/ext/misc/ieee754.c \

  $(TOP)/ext/misc/nextchar.c \
  $(TOP)/ext/misc/percentile.c \
  $(TOP)/ext/misc/regexp.c \
  $(TOP)/ext/misc/series.c \
  $(TOP)/ext/misc/spellfix.c \
  $(TOP)/ext/misc/totype.c \
  $(TOP)/ext/misc/wholenumber.c \
  $(TOP)/ext/misc/vfslog.c \
  $(TOP)/ext/fts5/fts5_tcl.c \
  $(TOP)/ext/fts5/fts5_test_mi.c



#TESTSRC += $(TOP)/ext/fts2/fts2_tokenizer.c
#TESTSRC += $(TOP)/ext/fts3/fts3_tokenizer.c

TESTSRC2 = \
  $(TOP)/src/attach.c \
................................................................................
  $(TOP)/src/whereexpr.c \
  parse.c \
  $(TOP)/ext/fts3/fts3.c \
  $(TOP)/ext/fts3/fts3_aux.c \
  $(TOP)/ext/fts3/fts3_expr.c \
  $(TOP)/ext/fts3/fts3_tokenizer.c \
  $(TOP)/ext/fts3/fts3_write.c \
  $(TOP)/ext/async/sqlite3async.c

# Header files used by all library source files.
#
HDR = \
   $(TOP)/src/btree.h \
   $(TOP)/src/btreeInt.h \
   $(TOP)/src/hash.h \
................................................................................
#
FUZZDATA = \
  $(TOP)/test/fuzzdata1.db \
  $(TOP)/test/fuzzdata2.db \
  $(TOP)/test/fuzzdata3.db \
  $(TOP)/test/fuzzdata4.db







# Standard options to testfixture
#
TESTOPTS = --verbose=file --output=test-out.txt

# Extra compiler options for various shell tools
#
SHELL_OPT = -DSQLITE_ENABLE_JSON1 -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_FTS5
FUZZERSHELL_OPT = -DSQLITE_ENABLE_JSON1
FUZZCHECK_OPT = -DSQLITE_ENABLE_JSON1

# This is the default Makefile target.  The objects listed here
# are what get build when you type just "make" with no arguments.
#
all:	sqlite3.h libsqlite3.a sqlite3$(EXE)

libsqlite3.a:	$(LIBOBJ)
	$(AR) libsqlite3.a $(LIBOBJ)
	$(RANLIB) libsqlite3.a

sqlite3$(EXE):	$(TOP)/src/shell.c libsqlite3.a sqlite3.h
	$(TCCX) $(READLINE_FLAGS) -o sqlite3$(EXE) $(SHELL_OPT) \

		$(TOP)/src/shell.c libsqlite3.a $(LIBREADLINE) $(TLIBS) $(THREADLIB)

sqldiff$(EXE):	$(TOP)/tool/sqldiff.c sqlite3.c sqlite3.h
	$(TCCX) -o sqldiff$(EXE) -DSQLITE_THREADSAFE=0 \
		$(TOP)/tool/sqldiff.c sqlite3.c $(TLIBS) $(THREADLIB)

fuzzershell$(EXE):	$(TOP)/tool/fuzzershell.c sqlite3.c sqlite3.h
	$(TCCX) -o fuzzershell$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
	  $(FUZZERSHELL_OPT) $(TOP)/tool/fuzzershell.c sqlite3.c \
	  $(TLIBS) $(THREADLIB)

fuzzcheck$(EXE):	$(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h
	$(TCCX) -o fuzzcheck$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
		-DSQLITE_ENABLE_MEMSYS5 $(FUZZCHECK_OPT) \
		$(TOP)/test/fuzzcheck.c sqlite3.c $(TLIBS) $(THREADLIB)

mptester$(EXE):	sqlite3.c $(TOP)/mptest/mptest.c
	$(TCCX) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \
		$(TLIBS) $(THREADLIB)

MPTEST1=./mptester$(EXE) mptest.db $(TOP)/mptest/crash01.test --repeat 20
MPTEST2=./mptester$(EXE) mptest.db $(TOP)/mptest/multiwrite01.test --repeat 20
................................................................................

# This target creates a directory named "tsrc" and fills it with
# copies of all of the C source code and header files needed to
# build on the target system.  Some of the C source code and header
# files are automatically generated.  This target takes care of
# all that automatic generation.
#
target_source:	$(SRC) $(TOP)/tool/vdbe-compress.tcl fts5.c
	rm -rf tsrc
	mkdir tsrc
	cp -f $(SRC) tsrc
	rm tsrc/sqlite.h.in tsrc/parse.y
	tclsh $(TOP)/tool/vdbe-compress.tcl $(OPTS) <tsrc/vdbe.c >vdbe.new
	mv vdbe.new tsrc/vdbe.c
	cp fts5.c fts5.h tsrc
	touch target_source

sqlite3.c:	target_source $(TOP)/tool/mksqlite3c.tcl
	tclsh $(TOP)/tool/mksqlite3c.tcl
	cp tsrc/shell.c tsrc/sqlite3ext.h .
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	cat $(TOP)/src/tclsqlite.c >>tclsqlite3.c

sqlite3ext.h:	target_source
	cp tsrc/sqlite3ext.h .

sqlite3.c-debug:	target_source $(TOP)/tool/mksqlite3c.tcl
	tclsh $(TOP)/tool/mksqlite3c.tcl --linemacros
	echo '#ifndef USE_SYSTEM_SQLITE' >tclsqlite3.c
	cat sqlite3.c >>tclsqlite3.c
	echo '#endif /* USE_SYSTEM_SQLITE */' >>tclsqlite3.c
	echo '#line 1 "tclsqlite.c"' >>tclsqlite3.c
................................................................................
tclsqlite.o:	$(TOP)/src/tclsqlite.c $(HDR)
	$(TCCX) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c



# Rules to build opcodes.c and opcodes.h
#
opcodes.c:	opcodes.h $(TOP)/tool/mkopcodec.tcl
	tclsh $(TOP)/tool/mkopcodec.tcl opcodes.h >opcodes.c

opcodes.h:	parse.h $(TOP)/src/vdbe.c $(TOP)/tool/mkopcodeh.tcl
	cat parse.h $(TOP)/src/vdbe.c | \
		tclsh $(TOP)/tool/mkopcodeh.tcl >opcodes.h

# Rules to build parse.c and parse.h - the outputs of lemon.
#
parse.h:	parse.c

parse.c:	$(TOP)/src/parse.y lemon $(TOP)/tool/addopcodes.tcl
	cp $(TOP)/src/parse.y .
	rm -f parse.h
	./lemon -s $(OPTS) parse.y
	mv parse.h parse.h.temp
	tclsh $(TOP)/tool/addopcodes.tcl parse.h.temp >parse.h

sqlite3.h:	$(TOP)/src/sqlite.h.in $(TOP)/manifest.uuid $(TOP)/VERSION $(TOP)/ext/rtree/sqlite3rtree.h
	tclsh $(TOP)/tool/mksqlite3h.tcl $(TOP) >sqlite3.h

keywordhash.h:	$(TOP)/tool/mkkeywordhash.c
	$(BCC) -o mkkeywordhash $(OPTS) $(TOP)/tool/mkkeywordhash.c
	./mkkeywordhash >keywordhash.h
................................................................................

fts3_unicode2.o:	$(TOP)/ext/fts3/fts3_unicode2.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_unicode2.c

fts3_write.o:	$(TOP)/ext/fts3/fts3_write.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/fts3/fts3_write.c

fts5.o:	fts5.c
	$(TCCX) -DSQLITE_CORE -c fts5.c

json1.o:	$(TOP)/ext/misc/json1.c
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/misc/json1.c

rtree.o:	$(TOP)/ext/rtree/rtree.c $(HDR) $(EXTHDR)
	$(TCCX) -DSQLITE_CORE -c $(TOP)/ext/rtree/rtree.c



fts5parse.c:	$(TOP)/ext/fts5/fts5parse.y lemon 
	cp $(TOP)/ext/fts5/fts5parse.y .
	rm -f fts5parse.h
	./lemon $(OPTS) fts5parse.y

fts5parse.h: fts5parse.c
................................................................................

sqlite3_analyzer.c: sqlite3.c $(TOP)/src/tclsqlite.c $(TOP)/tool/spaceanal.tcl
	echo "#define TCLSH 2" > $@
	echo "#define SQLITE_ENABLE_DBSTAT_VTAB 1" >> $@
	cat sqlite3.c $(TOP)/src/tclsqlite.c >> $@
	echo "static const char *tclsh_main_loop(void){" >> $@
	echo "static const char *zMainloop = " >> $@
	tclsh $(TOP)/tool/tostr.tcl $(TOP)/tool/spaceanal.tcl >> $@
	echo "; return zMainloop; }" >> $@

sqlite3_analyzer$(EXE): sqlite3_analyzer.c
	$(TCCX) $(TCL_FLAGS) sqlite3_analyzer.c -o $@ $(LIBTCL) $(THREADLIB) 

# Rules to build the 'testfixture' application.
#
................................................................................
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 

testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) libsqlite3.a $(THREADLIB)

amalgamation-testfixture$(EXE): sqlite3.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c                  \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

fts3-testfixture$(EXE): sqlite3.c fts3amal.c $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
	-DSQLITE_ENABLE_FTS3=1                                               \
		$(TESTSRC) $(TOP)/src/tclsqlite.c sqlite3.c fts3amal.c       \
		-o testfixture$(EXE) $(LIBTCL) $(THREADLIB)

Deleted mkopcodec.awk.

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#!/usr/bin/awk -f
#
# This AWK script scans the opcodes.h file (which is itself generated by
# another awk script) and uses the information gleaned to create the
# opcodes.c source file.
#
# Opcodes.c contains strings which are the symbolic names for the various
# opcodes used by the VDBE.  These strings are used when disassembling a
# VDBE program during tracing or as a result of the EXPLAIN keyword.
#
BEGIN {
  print "/* Automatically generated.  Do not edit */"
  print "/* See the mkopcodec.awk script for details. */"
  printf "#if !defined(SQLITE_OMIT_EXPLAIN)"
  printf    " || defined(VDBE_PROFILE)"
  print     " || defined(SQLITE_DEBUG)"
  print "#if defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) || defined(SQLITE_DEBUG)"
  print "# define OpHelp(X) \"\\0\" X"
  print "#else"
  print "# define OpHelp(X)"
  print "#endif"
  print "const char *sqlite3OpcodeName(int i){"
  print " static const char *const azName[] = { \"?\","
  mx = 0
}
/^.define OP_/ {
  sub("OP_","",$2)
  i = $3+0
  label[i] = $2
  if( mx<i ) mx = i
  for(j=5; j<NF; j++) if( $j=="synopsis:" ) break
  if( j<NF ){
    j++
    x = $j
    for(j=j+1; j<NF; j++) x = x " " $j
    synopsis[i] = x
  }else{
    synopsis[i] = ""
  }
}
END {
  for(i=1; i<=mx; i++){
    printf "     /* %3d */ %-18s OpHelp(\"%s\"),\n", i, \
        "\"" label[i] "\"", synopsis[i]
  }
  print "  };"
  print "  return azName[i];"
  print "}"
  print "#endif"
}
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Deleted mkopcodeh.awk.

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#!/usr/bin/awk -f
#
# Generate the file opcodes.h.
#
# This AWK script scans a concatenation of the parse.h output file from the
# parser and the vdbe.c source file in order to generate the opcodes numbers
# for all opcodes.  
#
# The lines of the vdbe.c that we are interested in are of the form:
#
#       case OP_aaaa:      /* same as TK_bbbbb */
#
# The TK_ comment is optional.  If it is present, then the value assigned to
# the OP_ is the same as the TK_ value.  If missing, the OP_ value is assigned
# a small integer that is different from every other OP_ value.
#
# We go to the trouble of making some OP_ values the same as TK_ values
# as an optimization.  During parsing, things like expression operators
# are coded with TK_ values such as TK_ADD, TK_DIVIDE, and so forth.  Later
# during code generation, we need to generate corresponding opcodes like
# OP_Add and OP_Divide.  By making TK_ADD==OP_Add and TK_DIVIDE==OP_Divide,
# code to translate from one to the other is avoided.  This makes the
# code generator run (infinitesimally) faster and more importantly it makes
# the library footprint smaller.
#
# This script also scans for lines of the form:
#
#       case OP_aaaa:       /* jump, in1, in2, in3, out2-prerelease, out3 */
#
# When such comments are found on an opcode, it means that certain
# properties apply to that opcode.  Set corresponding flags using the
# OPFLG_INITIALIZER macro.
#


# Remember the TK_ values from the parse.h file
/^#define TK_/ {
  tk[$2] = 0+$3    # tk[x] holds the numeric value for TK symbol X
}

# Find "/* Opcode: " lines in the vdbe.c file.  Each one introduces
# a new opcode.  Remember which parameters are used.
/^.. Opcode: / {
  currentOp = "OP_" $3
  m = 0
  for(i=4; i<=NF; i++){
    x = $i
    if( x=="P1" ) m += 1
    if( x=="P2" ) m += 2
    if( x=="P3" ) m += 4
    if( x=="P4" ) m += 8
    if( x=="P5" ) m += 16
  }
  paramused[currentOp] = m
}

# Find "** Synopsis: " lines that follow Opcode:
/^.. Synopsis: / {
  if( currentOp ){
    x = $3
    for(i=4; i<=NF; i++){
      x = x " " $i
    }
    synopsis[currentOp] = x
  }
}

# Scan for "case OP_aaaa:" lines in the vdbe.c file
/^case OP_/ {
  name = $2
  sub(/:/,"",name)
  sub("\r","",name)
  op[name] = -1       # op[x] holds the numeric value for OP symbol x
  jump[name] = 0
  in1[name] = 0
  in2[name] = 0
  in3[name] = 0
  out2[name] = 0
  out3[name] = 0
  for(i=3; i<NF; i++){
    if($i=="same" && $(i+1)=="as"){
      sym = $(i+2)
      sub(/,/,"",sym)
      val = tk[sym]
      op[name] = val
      used[val] = 1
      sameas[val] = sym
      def[val] = name
    }
    x = $i
    sub(",","",x)
    if(x=="jump"){
      jump[name] = 1
    }else if(x=="in1"){
      in1[name] = 1
    }else if(x=="in2"){
      in2[name] = 1
    }else if(x=="in3"){
      in3[name] = 1
    }else if(x=="out2"){
      out2[name] = 1
    }else if(x=="out3"){
      out3[name] = 1
    }
  }
  order[n_op++] = name;
}

# Assign numbers to all opcodes and output the result.
END {
  cnt = 0
  max = 0
  print "/* Automatically generated.  Do not edit */"
  print "/* See the mkopcodeh.awk script for details */"
  op["OP_Noop"] = -1;
  order[n_op++] = "OP_Noop";
  op["OP_Explain"] = -1;
  order[n_op++] = "OP_Explain";

  # Assign small values to opcodes that are processed by resolveP2Values()
  # to make code generation for the switch() statement smaller and faster.
  for(i=0; i<n_op; i++){
    name = order[i];
    if( op[name]>=0 ) continue;
    if( name=="OP_Transaction"   \
     || name=="OP_AutoCommit"    \
     || name=="OP_Savepoint"     \
     || name=="OP_Checkpoint"    \
     || name=="OP_Vacuum"        \
     || name=="OP_JournalMode"   \
     || name=="OP_VUpdate"       \
     || name=="OP_VFilter"       \
     || name=="OP_Next"          \
     || name=="OP_NextIfOpen"    \
     || name=="OP_SorterNext"    \
     || name=="OP_Prev"          \
     || name=="OP_PrevIfOpen"    \
    ){
      cnt++
      while( used[cnt] ) cnt++
      op[name] = cnt
      used[cnt] = 1
      def[cnt] = name
    }
  }

  # Generate the numeric values for opcodes
  for(i=0; i<n_op; i++){
    name = order[i];
    if( op[name]<0 ){
      cnt++
      while( used[cnt] ) cnt++
      op[name] = cnt
      used[cnt] = 1
      def[cnt] = name
    }
  }
  max = cnt
  for(i=1; i<=max; i++){
    if( !used[i] ){
      def[i] = "OP_NotUsed_" i 
    }
    printf "#define %-16s %3d", def[i], i
    com = ""
    if( sameas[i] ){
      com = "same as " sameas[i]
    }
    x = synopsis[def[i]]
    if( x ){
      if( com=="" ){
        com = "synopsis: " x
      } else {
        com = com ", synopsis: " x
      }
    }
    if( com!="" ){
      printf " /* %-42s */", com
    }
    printf "\n"
  }

  # Generate the bitvectors:
  #
  #  bit 0:     jump
  #  bit 1:     pushes a result onto stack
  #  bit 2:     output to p1.  release p1 before opcode runs
  #
  for(i=0; i<=max; i++){
    name = def[i]
    a0 = a1 = a2 = a3 = a4 = a5 = a6 = a7 = 0
    if( jump[name] ) a0 = 1;
    if( in1[name] ) a2 = 2;
    if( in2[name] ) a3 = 4;
    if( in3[name] ) a4 = 8;
    if( out2[name] ) a5 = 16;
    if( out3[name] ) a6 = 32;
    bv[i] = a0+a1+a2+a3+a4+a5+a6;
  }
  print "\n"
  print "/* Properties such as \"out2\" or \"jump\" that are specified in"
  print "** comments following the \"case\" for each opcode in the vdbe.c"
  print "** are encoded into bitvectors as follows:"
  print "*/"
  print "#define OPFLG_JUMP            0x0001  /* jump:  P2 holds jmp target */"
  print "#define OPFLG_IN1             0x0002  /* in1:   P1 is an input */"
  print "#define OPFLG_IN2             0x0004  /* in2:   P2 is an input */"
  print "#define OPFLG_IN3             0x0008  /* in3:   P3 is an input */"
  print "#define OPFLG_OUT2            0x0010  /* out2:  P2 is an output */"
  print "#define OPFLG_OUT3            0x0020  /* out3:  P3 is an output */"
  print "#define OPFLG_INITIALIZER {\\"
  for(i=0; i<=max; i++){
    if( i%8==0 ) printf("/* %3d */",i)
    printf " 0x%02x,", bv[i]
    if( i%8==7 ) printf("\\\n");
  }
  print "}"
  if( 0 ){
    print "\n/* Bitmask to indicate which fields (P1..P5) of each opcode are"
    print "** actually used.\n*/"
    print "#define OP_PARAM_USED_INITIALIZER {\\"
    for(i=0; i<=max; i++){
      if( i%8==0 ) printf("/* %3d */",i)
      printf " 0x%02x,", paramused[def[i]]
      if( i%8==7 ) printf("\\\n");
    }
    print "}"
  }
}
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Changes to src/alter.c.

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  v = sqlite3GetVdbe(pParse);
  /* The VDBE should have been allocated before this routine is called.
  ** If that allocation failed, we would have quit before reaching this
  ** point */
  if( ALWAYS(v) ){
    int r1 = sqlite3GetTempReg(pParse);
    int r2 = sqlite3GetTempReg(pParse);
    int j1;
    sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, BTREE_FILE_FORMAT);
    sqlite3VdbeUsesBtree(v, iDb);
    sqlite3VdbeAddOp2(v, OP_Integer, minFormat, r2);
    j1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
    sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); VdbeCoverage(v);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, r2);
    sqlite3VdbeJumpHere(v, j1);
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
}

/*
** This function is called after an "ALTER TABLE ... ADD" statement







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  v = sqlite3GetVdbe(pParse);
  /* The VDBE should have been allocated before this routine is called.
  ** If that allocation failed, we would have quit before reaching this
  ** point */
  if( ALWAYS(v) ){
    int r1 = sqlite3GetTempReg(pParse);
    int r2 = sqlite3GetTempReg(pParse);
    int addr1;
    sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, BTREE_FILE_FORMAT);
    sqlite3VdbeUsesBtree(v, iDb);
    sqlite3VdbeAddOp2(v, OP_Integer, minFormat, r2);
    addr1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
    sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); VdbeCoverage(v);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, r2);
    sqlite3VdbeJumpHere(v, addr1);
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
}

/*
** This function is called after an "ALTER TABLE ... ADD" statement

Changes to src/btree.c.

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  rc = saveCursorKey(pCur);
  if( rc==SQLITE_OK ){
    btreeReleaseAllCursorPages(pCur);
    pCur->eState = CURSOR_REQUIRESEEK;
  }

  invalidateOverflowCache(pCur);
  return rc;
}

/* Forward reference */
static int SQLITE_NOINLINE saveCursorsOnList(BtCursor*,Pgno,BtCursor*);

/*
................................................................................
    u8 *pSlot;
    sz = cachedCellSize(pCArray, i);
    if( (aData[1]==0 && aData[2]==0) || (pSlot = pageFindSlot(pPg,sz,&rc))==0 ){
      pData -= sz;
      if( pData<pBegin ) return 1;
      pSlot = pData;
    }






    memcpy(pSlot, pCArray->apCell[i], sz);
    put2byte(pCellptr, (pSlot - aData));
    pCellptr += 2;
  }
  *ppData = pData;
  return 0;
}

................................................................................
    ** for which the pointer is stored within the content being copied.
    **
    ** It is critical that the child page be defragmented before being
    ** copied into the parent, because if the parent is page 1 then it will
    ** by smaller than the child due to the database header, and so all the
    ** free space needs to be up front.
    */
    assert( nNew==1 );
    rc = defragmentPage(apNew[0]);
    testcase( rc!=SQLITE_OK );
    assert( apNew[0]->nFree == 
        (get2byte(&apNew[0]->aData[5])-apNew[0]->cellOffset-apNew[0]->nCell*2)
      || rc!=SQLITE_OK
    );
    copyNodeContent(apNew[0], pParent, &rc);







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....
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
6530
6531
6532
6533
6534
6535
6536
....
7647
7648
7649
7650
7651
7652
7653
7654
7655
7656
7657
7658
7659
7660
7661

  rc = saveCursorKey(pCur);
  if( rc==SQLITE_OK ){
    btreeReleaseAllCursorPages(pCur);
    pCur->eState = CURSOR_REQUIRESEEK;
  }

  pCur->curFlags &= ~(BTCF_ValidNKey|BTCF_ValidOvfl|BTCF_AtLast);
  return rc;
}

/* Forward reference */
static int SQLITE_NOINLINE saveCursorsOnList(BtCursor*,Pgno,BtCursor*);

/*
................................................................................
    u8 *pSlot;
    sz = cachedCellSize(pCArray, i);
    if( (aData[1]==0 && aData[2]==0) || (pSlot = pageFindSlot(pPg,sz,&rc))==0 ){
      pData -= sz;
      if( pData<pBegin ) return 1;
      pSlot = pData;
    }
    /* pSlot and pCArray->apCell[i] will never overlap on a well-formed
    ** database.  But they might for a corrupt database.  Hence use memmove()
    ** since memcpy() sends SIGABORT with overlapping buffers on OpenBSD */
    assert( (pSlot+sz)<=pCArray->apCell[i]
         || pSlot>=(pCArray->apCell[i]+sz)
         || CORRUPT_DB );
    memmove(pSlot, pCArray->apCell[i], sz);
    put2byte(pCellptr, (pSlot - aData));
    pCellptr += 2;
  }
  *ppData = pData;
  return 0;
}

................................................................................
    ** for which the pointer is stored within the content being copied.
    **
    ** It is critical that the child page be defragmented before being
    ** copied into the parent, because if the parent is page 1 then it will
    ** by smaller than the child due to the database header, and so all the
    ** free space needs to be up front.
    */
    assert( nNew==1 || CORRUPT_DB );
    rc = defragmentPage(apNew[0]);
    testcase( rc!=SQLITE_OK );
    assert( apNew[0]->nFree == 
        (get2byte(&apNew[0]->aData[5])-apNew[0]->cellOffset-apNew[0]->nCell*2)
      || rc!=SQLITE_OK
    );
    copyNodeContent(apNew[0], pParent, &rc);

Changes to src/build.c.

188
189
190
191
192
193
194


195
196
197
198
199
200
201
...
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
....
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
....
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
....
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
....
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
....
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
          OP_Transaction,                    /* Opcode */
          iDb,                               /* P1 */
          DbMaskTest(pParse->writeMask,iDb), /* P2 */
          pParse->cookieValue[iDb],          /* P3 */
          db->aDb[iDb].pSchema->iGeneration  /* P4 */
        );
        if( db->init.busy==0 ) sqlite3VdbeChangeP5(v, 1);


      }
#ifndef SQLITE_OMIT_VIRTUALTABLE
      for(i=0; i<pParse->nVtabLock; i++){
        char *vtab = (char *)sqlite3GetVTable(db, pParse->apVtabLock[i]);
        sqlite3VdbeAddOp4(v, OP_VBegin, 0, 0, 0, vtab, P4_VTAB);
      }
      pParse->nVtabLock = 0;
................................................................................
  ** and allocate the record number for the table entry now.  Before any
  ** PRIMARY KEY or UNIQUE keywords are parsed.  Those keywords will cause
  ** indices to be created and the table record must come before the 
  ** indices.  Hence, the record number for the table must be allocated
  ** now.
  */
  if( !db->init.busy && (v = sqlite3GetVdbe(pParse))!=0 ){
    int j1;
    int fileFormat;
    int reg1, reg2, reg3;
    /* nullRow[] is an OP_Record encoding of a row containing 5 NULLs */
    static const char nullRow[] = { 6, 0, 0, 0, 0, 0 };
    sqlite3BeginWriteOperation(pParse, 1, iDb);

#ifndef SQLITE_OMIT_VIRTUALTABLE
................................................................................
    ** set them now.
    */
    reg1 = pParse->regRowid = ++pParse->nMem;
    reg2 = pParse->regRoot = ++pParse->nMem;
    reg3 = ++pParse->nMem;
    sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, reg3, BTREE_FILE_FORMAT);
    sqlite3VdbeUsesBtree(v, iDb);
    j1 = sqlite3VdbeAddOp1(v, OP_If, reg3); VdbeCoverage(v);
    fileFormat = (db->flags & SQLITE_LegacyFileFmt)!=0 ?
                  1 : SQLITE_MAX_FILE_FORMAT;
    sqlite3VdbeAddOp2(v, OP_Integer, fileFormat, reg3);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, reg3);
    sqlite3VdbeAddOp2(v, OP_Integer, ENC(db), reg3);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_TEXT_ENCODING, reg3);
    sqlite3VdbeJumpHere(v, j1);

    /* This just creates a place-holder record in the sqlite_master table.
    ** The record created does not contain anything yet.  It will be replaced
    ** by the real entry in code generated at sqlite3EndTable().
    **
    ** The rowid for the new entry is left in register pParse->regRowid.
    ** The root page number of the new table is left in reg pParse->regRoot.
................................................................................
  DbFixer sFix;
  Token *pName = 0;
  int iDb;
  sqlite3 *db = pParse->db;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    sqlite3SelectDelete(db, pSelect);
    return;
  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ) goto create_view_fail;
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(db, p->pSchema);
  sqlite3FixInit(&sFix, pParse, iDb, "view", pName);
................................................................................
  }else{
    sortOrderMask = 0;    /* Ignore DESC */
  }

  /* Analyze the list of expressions that form the terms of the index and
  ** report any errors.  In the common case where the expression is exactly
  ** a table column, store that column in aiColumn[].  For general expressions,
  ** populate pIndex->aColExpr and store -2 in aiColumn[].
  **
  ** TODO: Issue a warning if two or more columns of the index are identical.
  ** TODO: Issue a warning if the table primary key is used as part of the
  ** index key.
  */
  for(i=0, pListItem=pList->a; i<pList->nExpr; i++, pListItem++){
    Expr *pCExpr;                  /* The i-th index expression */
................................................................................
        ExprList *pCopy = sqlite3ExprListDup(db, pList, 0);
        pIndex->aColExpr = pCopy;
        if( !db->mallocFailed ){
          assert( pCopy!=0 );
          pListItem = &pCopy->a[i];
        }
      }
      j = -2;
      pIndex->aiColumn[i] = -2;
      pIndex->uniqNotNull = 0;
    }else{
      j = pCExpr->iColumn;
      assert( j<=0x7fff );
      if( j<0 ){
        j = pTab->iPKey;
      }else if( pTab->aCol[j].notNull==0 ){
................................................................................
        pIndex->azColl[i] = pPk->azColl[j];
        pIndex->aSortOrder[i] = pPk->aSortOrder[j];
        i++;
      }
    }
    assert( i==pIndex->nColumn );
  }else{
    pIndex->aiColumn[i] = -1;
    pIndex->azColl[i] = "BINARY";
  }
  sqlite3DefaultRowEst(pIndex);
  if( pParse->pNewTable==0 ) estimateIndexWidth(pIndex);

  if( pTab==pParse->pNewTable ){
    /* This routine has been called to create an automatic index as a







>
>







 







|







 







|






|







 







|
<







 







|







 







|
|







 







|







188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
...
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
....
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
....
2080
2081
2082
2083
2084
2085
2086
2087

2088
2089
2090
2091
2092
2093
2094
....
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
....
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
....
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
          OP_Transaction,                    /* Opcode */
          iDb,                               /* P1 */
          DbMaskTest(pParse->writeMask,iDb), /* P2 */
          pParse->cookieValue[iDb],          /* P3 */
          db->aDb[iDb].pSchema->iGeneration  /* P4 */
        );
        if( db->init.busy==0 ) sqlite3VdbeChangeP5(v, 1);
        VdbeComment((v,
              "usesStmtJournal=%d", pParse->mayAbort && pParse->isMultiWrite));
      }
#ifndef SQLITE_OMIT_VIRTUALTABLE
      for(i=0; i<pParse->nVtabLock; i++){
        char *vtab = (char *)sqlite3GetVTable(db, pParse->apVtabLock[i]);
        sqlite3VdbeAddOp4(v, OP_VBegin, 0, 0, 0, vtab, P4_VTAB);
      }
      pParse->nVtabLock = 0;
................................................................................
  ** and allocate the record number for the table entry now.  Before any
  ** PRIMARY KEY or UNIQUE keywords are parsed.  Those keywords will cause
  ** indices to be created and the table record must come before the 
  ** indices.  Hence, the record number for the table must be allocated
  ** now.
  */
  if( !db->init.busy && (v = sqlite3GetVdbe(pParse))!=0 ){
    int addr1;
    int fileFormat;
    int reg1, reg2, reg3;
    /* nullRow[] is an OP_Record encoding of a row containing 5 NULLs */
    static const char nullRow[] = { 6, 0, 0, 0, 0, 0 };
    sqlite3BeginWriteOperation(pParse, 1, iDb);

#ifndef SQLITE_OMIT_VIRTUALTABLE
................................................................................
    ** set them now.
    */
    reg1 = pParse->regRowid = ++pParse->nMem;
    reg2 = pParse->regRoot = ++pParse->nMem;
    reg3 = ++pParse->nMem;
    sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, reg3, BTREE_FILE_FORMAT);
    sqlite3VdbeUsesBtree(v, iDb);
    addr1 = sqlite3VdbeAddOp1(v, OP_If, reg3); VdbeCoverage(v);
    fileFormat = (db->flags & SQLITE_LegacyFileFmt)!=0 ?
                  1 : SQLITE_MAX_FILE_FORMAT;
    sqlite3VdbeAddOp2(v, OP_Integer, fileFormat, reg3);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, reg3);
    sqlite3VdbeAddOp2(v, OP_Integer, ENC(db), reg3);
    sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_TEXT_ENCODING, reg3);
    sqlite3VdbeJumpHere(v, addr1);

    /* This just creates a place-holder record in the sqlite_master table.
    ** The record created does not contain anything yet.  It will be replaced
    ** by the real entry in code generated at sqlite3EndTable().
    **
    ** The rowid for the new entry is left in register pParse->regRowid.
    ** The root page number of the new table is left in reg pParse->regRoot.
................................................................................
  DbFixer sFix;
  Token *pName = 0;
  int iDb;
  sqlite3 *db = pParse->db;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    goto create_view_fail;

  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ) goto create_view_fail;
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(db, p->pSchema);
  sqlite3FixInit(&sFix, pParse, iDb, "view", pName);
................................................................................
  }else{
    sortOrderMask = 0;    /* Ignore DESC */
  }

  /* Analyze the list of expressions that form the terms of the index and
  ** report any errors.  In the common case where the expression is exactly
  ** a table column, store that column in aiColumn[].  For general expressions,
  ** populate pIndex->aColExpr and store XN_EXPR (-2) in aiColumn[].
  **
  ** TODO: Issue a warning if two or more columns of the index are identical.
  ** TODO: Issue a warning if the table primary key is used as part of the
  ** index key.
  */
  for(i=0, pListItem=pList->a; i<pList->nExpr; i++, pListItem++){
    Expr *pCExpr;                  /* The i-th index expression */
................................................................................
        ExprList *pCopy = sqlite3ExprListDup(db, pList, 0);
        pIndex->aColExpr = pCopy;
        if( !db->mallocFailed ){
          assert( pCopy!=0 );
          pListItem = &pCopy->a[i];
        }
      }
      j = XN_EXPR;
      pIndex->aiColumn[i] = XN_EXPR;
      pIndex->uniqNotNull = 0;
    }else{
      j = pCExpr->iColumn;
      assert( j<=0x7fff );
      if( j<0 ){
        j = pTab->iPKey;
      }else if( pTab->aCol[j].notNull==0 ){
................................................................................
        pIndex->azColl[i] = pPk->azColl[j];
        pIndex->aSortOrder[i] = pPk->aSortOrder[j];
        i++;
      }
    }
    assert( i==pIndex->nColumn );
  }else{
    pIndex->aiColumn[i] = XN_ROWID;
    pIndex->azColl[i] = "BINARY";
  }
  sqlite3DefaultRowEst(pIndex);
  if( pParse->pNewTable==0 ) estimateIndexWidth(pIndex);

  if( pTab==pParse->pNewTable ){
    /* This routine has been called to create an automatic index as a

Changes to src/ctime.c.

91
92
93
94
95
96
97



98
99
100
101
102
103



104
105
106
107
108
109
110
  "ENABLE_FTS3",
#endif
#if SQLITE_ENABLE_FTS3_PARENTHESIS
  "ENABLE_FTS3_PARENTHESIS",
#endif
#if SQLITE_ENABLE_FTS4
  "ENABLE_FTS4",



#endif
#if SQLITE_ENABLE_ICU
  "ENABLE_ICU",
#endif
#if SQLITE_ENABLE_IOTRACE
  "ENABLE_IOTRACE",



#endif
#if SQLITE_ENABLE_LOAD_EXTENSION
  "ENABLE_LOAD_EXTENSION",
#endif
#if SQLITE_ENABLE_LOCKING_STYLE
  "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE),
#endif







>
>
>






>
>
>







91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
  "ENABLE_FTS3",
#endif
#if SQLITE_ENABLE_FTS3_PARENTHESIS
  "ENABLE_FTS3_PARENTHESIS",
#endif
#if SQLITE_ENABLE_FTS4
  "ENABLE_FTS4",
#endif
#if SQLITE_ENABLE_FTS5
  "ENABLE_FTS5",
#endif
#if SQLITE_ENABLE_ICU
  "ENABLE_ICU",
#endif
#if SQLITE_ENABLE_IOTRACE
  "ENABLE_IOTRACE",
#endif
#if SQLITE_ENABLE_JSON1
  "ENABLE_JSON1",
#endif
#if SQLITE_ENABLE_LOAD_EXTENSION
  "ENABLE_LOAD_EXTENSION",
#endif
#if SQLITE_ENABLE_LOCKING_STYLE
  "ENABLE_LOCKING_STYLE=" CTIMEOPT_VAL(SQLITE_ENABLE_LOCKING_STYLE),
#endif

Changes to src/delete.c.

407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
...
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
...
512
513
514
515
516
517
518

519



520
521
522
523
524
525
526
...
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
    **  ONEPASS_OFF:    Two-pass approach - use a FIFO for rowids/PK values.
    **  ONEPASS_SINGLE: One-pass approach - at most one row deleted.
    **  ONEPASS_MULTI:  One-pass approach - any number of rows may be deleted.
    */
    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, wcf, iTabCur+1);
    if( pWInfo==0 ) goto delete_from_cleanup;
    eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass);
    assert( IsVirtual(pTab)==0 || eOnePass==ONEPASS_OFF );
    assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF );
  
    /* Keep track of the number of rows to be deleted */
    if( db->flags & SQLITE_CountRows ){
      sqlite3VdbeAddOp2(v, OP_AddImm, memCnt, 1);
    }
  
    /* Extract the rowid or primary key for the current row */
    if( pPk ){
      for(i=0; i<nPk; i++){
        assert( pPk->aiColumn[i]>=(-1) );
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur,
                                        pPk->aiColumn[i], iPk+i);
      }
      iKey = iPk;
    }else{
      iKey = pParse->nMem + 1;
      iKey = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iTabCur, iKey, 0);
................................................................................
    }
  
    /* Set up a loop over the rowids/primary-keys that were found in the
    ** where-clause loop above.
    */
    if( eOnePass!=ONEPASS_OFF ){
      assert( nKey==nPk );  /* OP_Found will use an unpacked key */
      if( aToOpen[iDataCur-iTabCur] ){
        assert( pPk!=0 || pTab->pSelect!=0 );
        sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, addrBypass, iKey, nKey);
        VdbeCoverage(v);
      }
    }else if( pPk ){
      addrLoop = sqlite3VdbeAddOp1(v, OP_Rewind, iEphCur); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_RowKey, iEphCur, iKey);
................................................................................
    /* Delete the row */
#ifndef SQLITE_OMIT_VIRTUALTABLE
    if( IsVirtual(pTab) ){
      const char *pVTab = (const char *)sqlite3GetVTable(db, pTab);
      sqlite3VtabMakeWritable(pParse, pTab);
      sqlite3VdbeAddOp4(v, OP_VUpdate, 0, 1, iKey, pVTab, P4_VTAB);
      sqlite3VdbeChangeP5(v, OE_Abort);

      sqlite3MayAbort(pParse);



    }else
#endif
    {
      int count = (pParse->nested==0);    /* True to count changes */
      int iIdxNoSeek = -1;
      if( bComplex==0 && aiCurOnePass[1]!=iDataCur ){
        iIdxNoSeek = aiCurOnePass[1];
................................................................................
  }
  nCol = (prefixOnly && pIdx->uniqNotNull) ? pIdx->nKeyCol : pIdx->nColumn;
  regBase = sqlite3GetTempRange(pParse, nCol);
  if( pPrior && (regBase!=regPrior || pPrior->pPartIdxWhere) ) pPrior = 0;
  for(j=0; j<nCol; j++){
    if( pPrior
     && pPrior->aiColumn[j]==pIdx->aiColumn[j]
     && pPrior->aiColumn[j]>=(-1)
    ){
      /* This column was already computed by the previous index */
      continue;
    }
    sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iDataCur, j, regBase+j);
    /* If the column affinity is REAL but the number is an integer, then it
    ** might be stored in the table as an integer (using a compact







|










|







 







|







 







>

>
>
>







 







|







407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
...
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
...
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
...
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
    **  ONEPASS_OFF:    Two-pass approach - use a FIFO for rowids/PK values.
    **  ONEPASS_SINGLE: One-pass approach - at most one row deleted.
    **  ONEPASS_MULTI:  One-pass approach - any number of rows may be deleted.
    */
    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, wcf, iTabCur+1);
    if( pWInfo==0 ) goto delete_from_cleanup;
    eOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass);
    assert( IsVirtual(pTab)==0 || eOnePass!=ONEPASS_MULTI );
    assert( IsVirtual(pTab) || bComplex || eOnePass!=ONEPASS_OFF );
  
    /* Keep track of the number of rows to be deleted */
    if( db->flags & SQLITE_CountRows ){
      sqlite3VdbeAddOp2(v, OP_AddImm, memCnt, 1);
    }
  
    /* Extract the rowid or primary key for the current row */
    if( pPk ){
      for(i=0; i<nPk; i++){
        assert( pPk->aiColumn[i]>=0 );
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iTabCur,
                                        pPk->aiColumn[i], iPk+i);
      }
      iKey = iPk;
    }else{
      iKey = pParse->nMem + 1;
      iKey = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iTabCur, iKey, 0);
................................................................................
    }
  
    /* Set up a loop over the rowids/primary-keys that were found in the
    ** where-clause loop above.
    */
    if( eOnePass!=ONEPASS_OFF ){
      assert( nKey==nPk );  /* OP_Found will use an unpacked key */
      if( !IsVirtual(pTab) && aToOpen[iDataCur-iTabCur] ){
        assert( pPk!=0 || pTab->pSelect!=0 );
        sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, addrBypass, iKey, nKey);
        VdbeCoverage(v);
      }
    }else if( pPk ){
      addrLoop = sqlite3VdbeAddOp1(v, OP_Rewind, iEphCur); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_RowKey, iEphCur, iKey);
................................................................................
    /* Delete the row */
#ifndef SQLITE_OMIT_VIRTUALTABLE
    if( IsVirtual(pTab) ){
      const char *pVTab = (const char *)sqlite3GetVTable(db, pTab);
      sqlite3VtabMakeWritable(pParse, pTab);
      sqlite3VdbeAddOp4(v, OP_VUpdate, 0, 1, iKey, pVTab, P4_VTAB);
      sqlite3VdbeChangeP5(v, OE_Abort);
      assert( eOnePass==ONEPASS_OFF || eOnePass==ONEPASS_SINGLE );
      sqlite3MayAbort(pParse);
      if( eOnePass==ONEPASS_SINGLE && sqlite3IsToplevel(pParse) ){
        pParse->isMultiWrite = 0;
      }
    }else
#endif
    {
      int count = (pParse->nested==0);    /* True to count changes */
      int iIdxNoSeek = -1;
      if( bComplex==0 && aiCurOnePass[1]!=iDataCur ){
        iIdxNoSeek = aiCurOnePass[1];
................................................................................
  }
  nCol = (prefixOnly && pIdx->uniqNotNull) ? pIdx->nKeyCol : pIdx->nColumn;
  regBase = sqlite3GetTempRange(pParse, nCol);
  if( pPrior && (regBase!=regPrior || pPrior->pPartIdxWhere) ) pPrior = 0;
  for(j=0; j<nCol; j++){
    if( pPrior
     && pPrior->aiColumn[j]==pIdx->aiColumn[j]
     && pPrior->aiColumn[j]!=XN_EXPR
    ){
      /* This column was already computed by the previous index */
      continue;
    }
    sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iDataCur, j, regBase+j);
    /* If the column affinity is REAL but the number is an integer, then it
    ** might be stored in the table as an integer (using a compact

Changes to src/expr.c.

1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
....
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
....
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470




2471
2472
2473
2474
2475
2476
2477
/*
** Generate code that checks the left-most column of index table iCur to see if
** it contains any NULL entries.  Cause the register at regHasNull to be set
** to a non-NULL value if iCur contains no NULLs.  Cause register regHasNull
** to be set to NULL if iCur contains one or more NULL values.
*/
static void sqlite3SetHasNullFlag(Vdbe *v, int iCur, int regHasNull){
  int j1;
  sqlite3VdbeAddOp2(v, OP_Integer, 0, regHasNull);
  j1 = sqlite3VdbeAddOp1(v, OP_Rewind, iCur); VdbeCoverage(v);
  sqlite3VdbeAddOp3(v, OP_Column, iCur, 0, regHasNull);
  sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
  VdbeComment((v, "first_entry_in(%d)", iCur));
  sqlite3VdbeJumpHere(v, j1);
}


#ifndef SQLITE_OMIT_SUBQUERY
/*
** The argument is an IN operator with a list (not a subquery) on the 
** right-hand side.  Return TRUE if that list is constant.
................................................................................
        sqlite3VdbeAddOp4Int(v, OP_NotFound, pExpr->iTable, destIfFalse, r1, 1);
        VdbeCoverage(v);
      }else{
        /* In this branch, the RHS of the IN might contain a NULL and
        ** the presence of a NULL on the RHS makes a difference in the
        ** outcome.
        */
        int j1;
  
        /* First check to see if the LHS is contained in the RHS.  If so,
        ** then the answer is TRUE the presence of NULLs in the RHS does
        ** not matter.  If the LHS is not contained in the RHS, then the
        ** answer is NULL if the RHS contains NULLs and the answer is
        ** FALSE if the RHS is NULL-free.
        */
        j1 = sqlite3VdbeAddOp4Int(v, OP_Found, pExpr->iTable, 0, r1, 1);
        VdbeCoverage(v);
        sqlite3VdbeAddOp2(v, OP_IsNull, rRhsHasNull, destIfNull);
        VdbeCoverage(v);
        sqlite3VdbeGoto(v, destIfFalse);
        sqlite3VdbeJumpHere(v, j1);
      }
    }
  }
  sqlite3ReleaseTempReg(pParse, r1);
  sqlite3ExprCachePop(pParse);
  VdbeComment((v, "end IN expr"));
}
................................................................................
  Parse *pParse,  /* The parsing context */
  Index *pIdx,    /* The index whose column is to be loaded */
  int iTabCur,    /* Cursor pointing to a table row */
  int iIdxCol,    /* The column of the index to be loaded */
  int regOut      /* Store the index column value in this register */
){
  i16 iTabCol = pIdx->aiColumn[iIdxCol];
  if( iTabCol>=(-1) ){
    sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pIdx->pTable, iTabCur,
                                    iTabCol, regOut);
    return;
  }
  assert( pIdx->aColExpr );
  assert( pIdx->aColExpr->nExpr>iIdxCol );
  pParse->iSelfTab = iTabCur;
  sqlite3ExprCode(pParse, pIdx->aColExpr->a[iIdxCol].pExpr, regOut);




}

/*
** Generate code to extract the value of the iCol-th column of a table.
*/
void sqlite3ExprCodeGetColumnOfTable(
  Vdbe *v,        /* The VDBE under construction */







|

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|







 







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|







 







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<
<
<
<
|
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>
>
>
>







1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
....
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
....
2455
2456
2457
2458
2459
2460
2461
2462




2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
/*
** Generate code that checks the left-most column of index table iCur to see if
** it contains any NULL entries.  Cause the register at regHasNull to be set
** to a non-NULL value if iCur contains no NULLs.  Cause register regHasNull
** to be set to NULL if iCur contains one or more NULL values.
*/
static void sqlite3SetHasNullFlag(Vdbe *v, int iCur, int regHasNull){
  int addr1;
  sqlite3VdbeAddOp2(v, OP_Integer, 0, regHasNull);
  addr1 = sqlite3VdbeAddOp1(v, OP_Rewind, iCur); VdbeCoverage(v);
  sqlite3VdbeAddOp3(v, OP_Column, iCur, 0, regHasNull);
  sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
  VdbeComment((v, "first_entry_in(%d)", iCur));
  sqlite3VdbeJumpHere(v, addr1);
}


#ifndef SQLITE_OMIT_SUBQUERY
/*
** The argument is an IN operator with a list (not a subquery) on the 
** right-hand side.  Return TRUE if that list is constant.
................................................................................
        sqlite3VdbeAddOp4Int(v, OP_NotFound, pExpr->iTable, destIfFalse, r1, 1);
        VdbeCoverage(v);
      }else{
        /* In this branch, the RHS of the IN might contain a NULL and
        ** the presence of a NULL on the RHS makes a difference in the
        ** outcome.
        */
        int addr1;
  
        /* First check to see if the LHS is contained in the RHS.  If so,
        ** then the answer is TRUE the presence of NULLs in the RHS does
        ** not matter.  If the LHS is not contained in the RHS, then the
        ** answer is NULL if the RHS contains NULLs and the answer is
        ** FALSE if the RHS is NULL-free.
        */
        addr1 = sqlite3VdbeAddOp4Int(v, OP_Found, pExpr->iTable, 0, r1, 1);
        VdbeCoverage(v);
        sqlite3VdbeAddOp2(v, OP_IsNull, rRhsHasNull, destIfNull);
        VdbeCoverage(v);
        sqlite3VdbeGoto(v, destIfFalse);
        sqlite3VdbeJumpHere(v, addr1);
      }
    }
  }
  sqlite3ReleaseTempReg(pParse, r1);
  sqlite3ExprCachePop(pParse);
  VdbeComment((v, "end IN expr"));
}
................................................................................
  Parse *pParse,  /* The parsing context */
  Index *pIdx,    /* The index whose column is to be loaded */
  int iTabCur,    /* Cursor pointing to a table row */
  int iIdxCol,    /* The column of the index to be loaded */
  int regOut      /* Store the index column value in this register */
){
  i16 iTabCol = pIdx->aiColumn[iIdxCol];
  if( iTabCol==XN_EXPR ){




    assert( pIdx->aColExpr );
    assert( pIdx->aColExpr->nExpr>iIdxCol );
    pParse->iSelfTab = iTabCur;
    sqlite3ExprCode(pParse, pIdx->aColExpr->a[iIdxCol].pExpr, regOut);
  }else{
    sqlite3ExprCodeGetColumnOfTable(pParse->pVdbe, pIdx->pTable, iTabCur,
                                    iTabCol, regOut);
  }
}

/*
** Generate code to extract the value of the iCol-th column of a table.
*/
void sqlite3ExprCodeGetColumnOfTable(
  Vdbe *v,        /* The VDBE under construction */

Changes to src/fkey.c.

248
249
250
251
252
253
254


255
256
257
258
259
260
261
...
400
401
402
403
404
405
406

407
408
409
410
411
412
413
...
608
609
610
611
612
613
614

615
616
617
618
619
620
621
...
927
928
929
930
931
932
933

934
935
936
937
938
939
940
....
1058
1059
1060
1061
1062
1063
1064


1065

1066
1067
1068
1069
1070
1071
1072
....
1181
1182
1183
1184
1185
1186
1187

1188
1189
1190
1191
1192
1193
1194
        ** the default collation sequences for each column. */
        int i, j;
        for(i=0; i<nCol; i++){
          i16 iCol = pIdx->aiColumn[i];     /* Index of column in parent tbl */
          char *zDfltColl;                  /* Def. collation for column */
          char *zIdxCol;                    /* Name of indexed column */



          /* If the index uses a collation sequence that is different from
          ** the default collation sequence for the column, this index is
          ** unusable. Bail out early in this case.  */
          zDfltColl = pParent->aCol[iCol].zColl;
          if( !zDfltColl ){
            zDfltColl = "BINARY";
          }
................................................................................
      ** none of the child key values are).
      */
      if( pTab==pFKey->pFrom && nIncr==1 ){
        int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1;
        for(i=0; i<nCol; i++){
          int iChild = aiCol[i]+1+regData;
          int iParent = pIdx->aiColumn[i]+1+regData;

          assert( aiCol[i]!=pTab->iPKey );
          if( pIdx->aiColumn[i]==pTab->iPKey ){
            /* The parent key is a composite key that includes the IPK column */
            iParent = regData;
          }
          sqlite3VdbeAddOp3(v, OP_Ne, iChild, iJump, iParent); VdbeCoverage(v);
          sqlite3VdbeChangeP5(v, SQLITE_JUMPIFNULL);
................................................................................
      pNe = sqlite3PExpr(pParse, TK_NE, pLeft, pRight, 0);
    }else{
      Expr *pEq, *pAll = 0;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      assert( pIdx!=0 );
      for(i=0; i<pPk->nKeyCol; i++){
        i16 iCol = pIdx->aiColumn[i];

        pLeft = exprTableRegister(pParse, pTab, regData, iCol);
        pRight = exprTableColumn(db, pTab, pSrc->a[0].iCursor, iCol);
        pEq = sqlite3PExpr(pParse, TK_EQ, pLeft, pRight, 0);
        pAll = sqlite3ExprAnd(db, pAll, pEq);
      }
      pNe = sqlite3PExpr(pParse, TK_NOT, pAll, 0, 0);
    }
................................................................................
      iCol = pFKey->aCol[0].iFrom;
      aiCol = &iCol;
    }
    for(i=0; i<pFKey->nCol; i++){
      if( aiCol[i]==pTab->iPKey ){
        aiCol[i] = -1;
      }

#ifndef SQLITE_OMIT_AUTHORIZATION
      /* Request permission to read the parent key columns. If the 
      ** authorization callback returns SQLITE_IGNORE, behave as if any
      ** values read from the parent table are NULL. */
      if( db->xAuth ){
        int rcauth;
        char *zCol = pTo->aCol[pIdx ? pIdx->aiColumn[i] : pTo->iPKey].zName;
................................................................................
    for(p=pTab->pFKey; p; p=p->pNextFrom){
      for(i=0; i<p->nCol; i++) mask |= COLUMN_MASK(p->aCol[i].iFrom);
    }
    for(p=sqlite3FkReferences(pTab); p; p=p->pNextTo){
      Index *pIdx = 0;
      sqlite3FkLocateIndex(pParse, pTab, p, &pIdx, 0);
      if( pIdx ){


        for(i=0; i<pIdx->nKeyCol; i++) mask |= COLUMN_MASK(pIdx->aiColumn[i]);

      }
    }
  }
  return mask;
}


................................................................................
      Token tToCol;               /* Name of column in parent table */
      int iFromCol;               /* Idx of column in child table */
      Expr *pEq;                  /* tFromCol = OLD.tToCol */

      iFromCol = aiCol ? aiCol[i] : pFKey->aCol[0].iFrom;
      assert( iFromCol>=0 );
      assert( pIdx!=0 || (pTab->iPKey>=0 && pTab->iPKey<pTab->nCol) );

      tToCol.z = pTab->aCol[pIdx ? pIdx->aiColumn[i] : pTab->iPKey].zName;
      tFromCol.z = pFKey->pFrom->aCol[iFromCol].zName;

      tToCol.n = sqlite3Strlen30(tToCol.z);
      tFromCol.n = sqlite3Strlen30(tFromCol.z);

      /* Create the expression "OLD.zToCol = zFromCol". It is important







>
>







 







>







 







>







 







>







 







>
>
|
>







 







>







248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
...
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
...
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
...
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
....
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
....
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
        ** the default collation sequences for each column. */
        int i, j;
        for(i=0; i<nCol; i++){
          i16 iCol = pIdx->aiColumn[i];     /* Index of column in parent tbl */
          char *zDfltColl;                  /* Def. collation for column */
          char *zIdxCol;                    /* Name of indexed column */

          if( iCol<0 ) break; /* No foreign keys against expression indexes */

          /* If the index uses a collation sequence that is different from
          ** the default collation sequence for the column, this index is
          ** unusable. Bail out early in this case.  */
          zDfltColl = pParent->aCol[iCol].zColl;
          if( !zDfltColl ){
            zDfltColl = "BINARY";
          }
................................................................................
      ** none of the child key values are).
      */
      if( pTab==pFKey->pFrom && nIncr==1 ){
        int iJump = sqlite3VdbeCurrentAddr(v) + nCol + 1;
        for(i=0; i<nCol; i++){
          int iChild = aiCol[i]+1+regData;
          int iParent = pIdx->aiColumn[i]+1+regData;
          assert( pIdx->aiColumn[i]>=0 );
          assert( aiCol[i]!=pTab->iPKey );
          if( pIdx->aiColumn[i]==pTab->iPKey ){
            /* The parent key is a composite key that includes the IPK column */
            iParent = regData;
          }
          sqlite3VdbeAddOp3(v, OP_Ne, iChild, iJump, iParent); VdbeCoverage(v);
          sqlite3VdbeChangeP5(v, SQLITE_JUMPIFNULL);
................................................................................
      pNe = sqlite3PExpr(pParse, TK_NE, pLeft, pRight, 0);
    }else{
      Expr *pEq, *pAll = 0;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      assert( pIdx!=0 );
      for(i=0; i<pPk->nKeyCol; i++){
        i16 iCol = pIdx->aiColumn[i];
        assert( iCol>=0 );
        pLeft = exprTableRegister(pParse, pTab, regData, iCol);
        pRight = exprTableColumn(db, pTab, pSrc->a[0].iCursor, iCol);
        pEq = sqlite3PExpr(pParse, TK_EQ, pLeft, pRight, 0);
        pAll = sqlite3ExprAnd(db, pAll, pEq);
      }
      pNe = sqlite3PExpr(pParse, TK_NOT, pAll, 0, 0);
    }
................................................................................
      iCol = pFKey->aCol[0].iFrom;
      aiCol = &iCol;
    }
    for(i=0; i<pFKey->nCol; i++){
      if( aiCol[i]==pTab->iPKey ){
        aiCol[i] = -1;
      }
      assert( pIdx==0 || pIdx->aiColumn[i]>=0 );
#ifndef SQLITE_OMIT_AUTHORIZATION
      /* Request permission to read the parent key columns. If the 
      ** authorization callback returns SQLITE_IGNORE, behave as if any
      ** values read from the parent table are NULL. */
      if( db->xAuth ){
        int rcauth;
        char *zCol = pTo->aCol[pIdx ? pIdx->aiColumn[i] : pTo->iPKey].zName;
................................................................................
    for(p=pTab->pFKey; p; p=p->pNextFrom){
      for(i=0; i<p->nCol; i++) mask |= COLUMN_MASK(p->aCol[i].iFrom);
    }
    for(p=sqlite3FkReferences(pTab); p; p=p->pNextTo){
      Index *pIdx = 0;
      sqlite3FkLocateIndex(pParse, pTab, p, &pIdx, 0);
      if( pIdx ){
        for(i=0; i<pIdx->nKeyCol; i++){
          assert( pIdx->aiColumn[i]>=0 );
          mask |= COLUMN_MASK(pIdx->aiColumn[i]);
        }
      }
    }
  }
  return mask;
}


................................................................................
      Token tToCol;               /* Name of column in parent table */
      int iFromCol;               /* Idx of column in child table */
      Expr *pEq;                  /* tFromCol = OLD.tToCol */

      iFromCol = aiCol ? aiCol[i] : pFKey->aCol[0].iFrom;
      assert( iFromCol>=0 );
      assert( pIdx!=0 || (pTab->iPKey>=0 && pTab->iPKey<pTab->nCol) );
      assert( pIdx==0 || pIdx->aiColumn[i]>=0 );
      tToCol.z = pTab->aCol[pIdx ? pIdx->aiColumn[i] : pTab->iPKey].zName;
      tFromCol.z = pFKey->pFrom->aCol[iFromCol].zName;

      tToCol.n = sqlite3Strlen30(tToCol.z);
      tFromCol.n = sqlite3Strlen30(tFromCol.z);

      /* Create the expression "OLD.zToCol = zFromCol". It is important

Changes to src/insert.c.

86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
...
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
...
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
...
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
...
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
....
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
....
1226
1227
1228
1229
1230
1231
1232
1233

1234
1235
1236
1237
1238
1239
1240
1241
1242
....
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
....
1469
1470
1471
1472
1473
1474
1475

1476
1477
1478
1479
1480
1481
1482
....
1490
1491
1492
1493
1494
1495
1496

1497
1498
1499
1500
1501
1502
1503
....
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
      db->mallocFailed = 1;
      return 0;
    }
    for(n=0; n<pIdx->nColumn; n++){
      i16 x = pIdx->aiColumn[n];
      if( x>=0 ){
        pIdx->zColAff[n] = pTab->aCol[x].affinity;
      }else if( x==(-1) ){
        pIdx->zColAff[n] = SQLITE_AFF_INTEGER;
      }else{
        char aff;
        assert( x==(-2) );
        assert( pIdx->aColExpr!=0 );
        aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr);
        if( aff==0 ) aff = SQLITE_AFF_BLOB;
        pIdx->zColAff[n] = aff;
      }
    }
    pIdx->zColAff[n] = 0;
................................................................................
  int memId;                 /* Register holding max rowid */
  int addr;                  /* A VDBE address */
  Vdbe *v = pParse->pVdbe;   /* VDBE under construction */

  /* This routine is never called during trigger-generation.  It is
  ** only called from the top-level */
  assert( pParse->pTriggerTab==0 );
  assert( pParse==sqlite3ParseToplevel(pParse) );

  assert( v );   /* We failed long ago if this is not so */
  for(p = pParse->pAinc; p; p = p->pNext){
    pDb = &db->aDb[p->iDb];
    memId = p->regCtr;
    assert( sqlite3SchemaMutexHeld(db, 0, pDb->pSchema) );
    sqlite3OpenTable(pParse, 0, p->iDb, pDb->pSchema->pSeqTab, OP_OpenRead);
................................................................................
  AutoincInfo *p;
  Vdbe *v = pParse->pVdbe;
  sqlite3 *db = pParse->db;

  assert( v );
  for(p = pParse->pAinc; p; p = p->pNext){
    Db *pDb = &db->aDb[p->iDb];
    int j1;
    int iRec;
    int memId = p->regCtr;

    iRec = sqlite3GetTempReg(pParse);
    assert( sqlite3SchemaMutexHeld(db, 0, pDb->pSchema) );
    sqlite3OpenTable(pParse, 0, p->iDb, pDb->pSchema->pSeqTab, OP_OpenWrite);
    j1 = sqlite3VdbeAddOp1(v, OP_NotNull, memId+1); VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_NewRowid, 0, memId+1);
    sqlite3VdbeJumpHere(v, j1);
    sqlite3VdbeAddOp3(v, OP_MakeRecord, memId-1, 2, iRec);
    sqlite3VdbeAddOp3(v, OP_Insert, 0, iRec, memId+1);
    sqlite3VdbeChangeP5(v, OPFLAG_APPEND);
    sqlite3VdbeAddOp0(v, OP_Close);
    sqlite3ReleaseTempReg(pParse, iRec);
  }
}
................................................................................
    ** translated into a unique ID for the row.  But on a BEFORE trigger,
    ** we do not know what the unique ID will be (because the insert has
    ** not happened yet) so we substitute a rowid of -1
    */
    if( ipkColumn<0 ){
      sqlite3VdbeAddOp2(v, OP_Integer, -1, regCols);
    }else{
      int j1;
      assert( !withoutRowid );
      if( useTempTable ){
        sqlite3VdbeAddOp3(v, OP_Column, srcTab, ipkColumn, regCols);
      }else{
        assert( pSelect==0 );  /* Otherwise useTempTable is true */
        sqlite3ExprCode(pParse, pList->a[ipkColumn].pExpr, regCols);
      }
      j1 = sqlite3VdbeAddOp1(v, OP_NotNull, regCols); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_Integer, -1, regCols);
      sqlite3VdbeJumpHere(v, j1);
      sqlite3VdbeAddOp1(v, OP_MustBeInt, regCols); VdbeCoverage(v);
    }

    /* Cannot have triggers on a virtual table. If it were possible,
    ** this block would have to account for hidden column.
    */
    assert( !IsVirtual(pTab) );
................................................................................
          pOp->p3 = regAutoinc;
        }
      }
      /* If the PRIMARY KEY expression is NULL, then use OP_NewRowid
      ** to generate a unique primary key value.
      */
      if( !appendFlag ){
        int j1;
        if( !IsVirtual(pTab) ){
          j1 = sqlite3VdbeAddOp1(v, OP_NotNull, regRowid); VdbeCoverage(v);
          sqlite3VdbeAddOp3(v, OP_NewRowid, iDataCur, regRowid, regAutoinc);
          sqlite3VdbeJumpHere(v, j1);
        }else{
          j1 = sqlite3VdbeCurrentAddr(v);
          sqlite3VdbeAddOp2(v, OP_IsNull, regRowid, j1+2); VdbeCoverage(v);
        }
        sqlite3VdbeAddOp1(v, OP_MustBeInt, regRowid); VdbeCoverage(v);
      }
    }else if( IsVirtual(pTab) || withoutRowid ){
      sqlite3VdbeAddOp2(v, OP_Null, 0, regRowid);
    }else{
      sqlite3VdbeAddOp3(v, OP_NewRowid, iDataCur, regRowid, regAutoinc);
................................................................................
  Index *pIdx;         /* Pointer to one of the indices */
  Index *pPk = 0;      /* The PRIMARY KEY index */
  sqlite3 *db;         /* Database connection */
  int i;               /* loop counter */
  int ix;              /* Index loop counter */
  int nCol;            /* Number of columns */
  int onError;         /* Conflict resolution strategy */
  int j1;              /* Address of jump instruction */
  int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */
  int nPkField;        /* Number of fields in PRIMARY KEY. 1 for ROWID tables */
  int ipkTop = 0;      /* Top of the rowid change constraint check */
  int ipkBottom = 0;   /* Bottom of the rowid change constraint check */
  u8 isUpdate;         /* True if this is an UPDATE operation */
  u8 bAffinityDone = 0;  /* True if the OP_Affinity operation has been run */
  int regRowid = -1;   /* Register holding ROWID value */
................................................................................
      case OE_Ignore: {
        sqlite3VdbeAddOp2(v, OP_IsNull, regNewData+1+i, ignoreDest);
        VdbeCoverage(v);
        break;
      }
      default: {
        assert( onError==OE_Replace );
        j1 = sqlite3VdbeAddOp1(v, OP_NotNull, regNewData+1+i); VdbeCoverage(v);

        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regNewData+1+i);
        sqlite3VdbeJumpHere(v, j1);
        break;
      }
    }
  }

  /* Test all CHECK constraints
  */
................................................................................
    /* Create a record for this index entry as it should appear after
    ** the insert or update.  Store that record in the aRegIdx[ix] register
    */
    regIdx = sqlite3GetTempRange(pParse, pIdx->nColumn);
    for(i=0; i<pIdx->nColumn; i++){
      int iField = pIdx->aiColumn[i];
      int x;
      if( iField==(-2) ){
        pParse->ckBase = regNewData+1;
        sqlite3ExprCode(pParse, pIdx->aColExpr->a[i].pExpr, regIdx+i);
        pParse->ckBase = 0;
        VdbeComment((v, "%s column %d", pIdx->zName, i));
      }else{
        if( iField==(-1) || iField==pTab->iPKey ){
          if( regRowid==regIdx+i ) continue; /* ROWID already in regIdx+i */
          x = regNewData;
          regRowid =  pIdx->pPartIdxWhere ? -1 : regIdx+i;
        }else{
          x = iField + regNewData + 1;
        }
        sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i);
................................................................................
        }
      }else{
        int x;
        /* Extract the PRIMARY KEY from the end of the index entry and
        ** store it in registers regR..regR+nPk-1 */
        if( pIdx!=pPk ){
          for(i=0; i<pPk->nKeyCol; i++){

            x = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]);
            sqlite3VdbeAddOp3(v, OP_Column, iThisCur, x, regR+i);
            VdbeComment((v, "%s.%s", pTab->zName,
                         pTab->aCol[pPk->aiColumn[i]].zName));
          }
        }
        if( isUpdate ){
................................................................................
          int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol;
          int op = OP_Ne;
          int regCmp = (IsPrimaryKeyIndex(pIdx) ? regIdx : regR);
  
          for(i=0; i<pPk->nKeyCol; i++){
            char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]);
            x = pPk->aiColumn[i];

            if( i==(pPk->nKeyCol-1) ){
              addrJump = addrUniqueOk;
              op = OP_Eq;
            }
            sqlite3VdbeAddOp4(v, op, 
                regOldData+1+x, addrJump, regCmp+i, p4, P4_COLLSEQ
            );
................................................................................
  if( pDest->onError!=pSrc->onError ){
    return 0;   /* Different conflict resolution strategies */
  }
  for(i=0; i<pSrc->nKeyCol; i++){
    if( pSrc->aiColumn[i]!=pDest->aiColumn[i] ){
      return 0;   /* Different columns indexed */
    }
    if( pSrc->aiColumn[i]==(-2) ){
      assert( pSrc->aColExpr!=0 && pDest->aColExpr!=0 );
      if( sqlite3ExprCompare(pSrc->aColExpr->a[i].pExpr,
                             pDest->aColExpr->a[i].pExpr, -1)!=0 ){
        return 0;   /* Different expressions in the index */
      }
    }
    if( pSrc->aSortOrder[i]!=pDest->aSortOrder[i] ){







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      db->mallocFailed = 1;
      return 0;
    }
    for(n=0; n<pIdx->nColumn; n++){
      i16 x = pIdx->aiColumn[n];
      if( x>=0 ){
        pIdx->zColAff[n] = pTab->aCol[x].affinity;
      }else if( x==XN_ROWID ){
        pIdx->zColAff[n] = SQLITE_AFF_INTEGER;
      }else{
        char aff;
        assert( x==XN_EXPR );
        assert( pIdx->aColExpr!=0 );
        aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr);
        if( aff==0 ) aff = SQLITE_AFF_BLOB;
        pIdx->zColAff[n] = aff;
      }
    }
    pIdx->zColAff[n] = 0;
................................................................................
  int memId;                 /* Register holding max rowid */
  int addr;                  /* A VDBE address */
  Vdbe *v = pParse->pVdbe;   /* VDBE under construction */

  /* This routine is never called during trigger-generation.  It is
  ** only called from the top-level */
  assert( pParse->pTriggerTab==0 );
  assert( sqlite3IsToplevel(pParse) );

  assert( v );   /* We failed long ago if this is not so */
  for(p = pParse->pAinc; p; p = p->pNext){
    pDb = &db->aDb[p->iDb];
    memId = p->regCtr;
    assert( sqlite3SchemaMutexHeld(db, 0, pDb->pSchema) );
    sqlite3OpenTable(pParse, 0, p->iDb, pDb->pSchema->pSeqTab, OP_OpenRead);
................................................................................
  AutoincInfo *p;
  Vdbe *v = pParse->pVdbe;
  sqlite3 *db = pParse->db;

  assert( v );
  for(p = pParse->pAinc; p; p = p->pNext){
    Db *pDb = &db->aDb[p->iDb];
    int addr1;
    int iRec;
    int memId = p->regCtr;

    iRec = sqlite3GetTempReg(pParse);
    assert( sqlite3SchemaMutexHeld(db, 0, pDb->pSchema) );
    sqlite3OpenTable(pParse, 0, p->iDb, pDb->pSchema->pSeqTab, OP_OpenWrite);
    addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, memId+1); VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_NewRowid, 0, memId+1);
    sqlite3VdbeJumpHere(v, addr1);
    sqlite3VdbeAddOp3(v, OP_MakeRecord, memId-1, 2, iRec);
    sqlite3VdbeAddOp3(v, OP_Insert, 0, iRec, memId+1);
    sqlite3VdbeChangeP5(v, OPFLAG_APPEND);
    sqlite3VdbeAddOp0(v, OP_Close);
    sqlite3ReleaseTempReg(pParse, iRec);
  }
}
................................................................................
    ** translated into a unique ID for the row.  But on a BEFORE trigger,
    ** we do not know what the unique ID will be (because the insert has
    ** not happened yet) so we substitute a rowid of -1
    */
    if( ipkColumn<0 ){
      sqlite3VdbeAddOp2(v, OP_Integer, -1, regCols);
    }else{
      int addr1;
      assert( !withoutRowid );
      if( useTempTable ){
        sqlite3VdbeAddOp3(v, OP_Column, srcTab, ipkColumn, regCols);
      }else{
        assert( pSelect==0 );  /* Otherwise useTempTable is true */
        sqlite3ExprCode(pParse, pList->a[ipkColumn].pExpr, regCols);
      }
      addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, regCols); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_Integer, -1, regCols);
      sqlite3VdbeJumpHere(v, addr1);
      sqlite3VdbeAddOp1(v, OP_MustBeInt, regCols); VdbeCoverage(v);
    }

    /* Cannot have triggers on a virtual table. If it were possible,
    ** this block would have to account for hidden column.
    */
    assert( !IsVirtual(pTab) );
................................................................................
          pOp->p3 = regAutoinc;
        }
      }
      /* If the PRIMARY KEY expression is NULL, then use OP_NewRowid
      ** to generate a unique primary key value.
      */
      if( !appendFlag ){
        int addr1;
        if( !IsVirtual(pTab) ){
          addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, regRowid); VdbeCoverage(v);
          sqlite3VdbeAddOp3(v, OP_NewRowid, iDataCur, regRowid, regAutoinc);
          sqlite3VdbeJumpHere(v, addr1);
        }else{
          addr1 = sqlite3VdbeCurrentAddr(v);
          sqlite3VdbeAddOp2(v, OP_IsNull, regRowid, addr1+2); VdbeCoverage(v);
        }
        sqlite3VdbeAddOp1(v, OP_MustBeInt, regRowid); VdbeCoverage(v);
      }
    }else if( IsVirtual(pTab) || withoutRowid ){
      sqlite3VdbeAddOp2(v, OP_Null, 0, regRowid);
    }else{
      sqlite3VdbeAddOp3(v, OP_NewRowid, iDataCur, regRowid, regAutoinc);
................................................................................
  Index *pIdx;         /* Pointer to one of the indices */
  Index *pPk = 0;      /* The PRIMARY KEY index */
  sqlite3 *db;         /* Database connection */
  int i;               /* loop counter */
  int ix;              /* Index loop counter */
  int nCol;            /* Number of columns */
  int onError;         /* Conflict resolution strategy */
  int addr1;           /* Address of jump instruction */
  int seenReplace = 0; /* True if REPLACE is used to resolve INT PK conflict */
  int nPkField;        /* Number of fields in PRIMARY KEY. 1 for ROWID tables */
  int ipkTop = 0;      /* Top of the rowid change constraint check */
  int ipkBottom = 0;   /* Bottom of the rowid change constraint check */
  u8 isUpdate;         /* True if this is an UPDATE operation */
  u8 bAffinityDone = 0;  /* True if the OP_Affinity operation has been run */
  int regRowid = -1;   /* Register holding ROWID value */
................................................................................
      case OE_Ignore: {
        sqlite3VdbeAddOp2(v, OP_IsNull, regNewData+1+i, ignoreDest);
        VdbeCoverage(v);
        break;
      }
      default: {
        assert( onError==OE_Replace );
        addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, regNewData+1+i);
           VdbeCoverage(v);
        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regNewData+1+i);
        sqlite3VdbeJumpHere(v, addr1);
        break;
      }
    }
  }

  /* Test all CHECK constraints
  */
................................................................................
    /* Create a record for this index entry as it should appear after
    ** the insert or update.  Store that record in the aRegIdx[ix] register
    */
    regIdx = sqlite3GetTempRange(pParse, pIdx->nColumn);
    for(i=0; i<pIdx->nColumn; i++){
      int iField = pIdx->aiColumn[i];
      int x;
      if( iField==XN_EXPR ){
        pParse->ckBase = regNewData+1;
        sqlite3ExprCode(pParse, pIdx->aColExpr->a[i].pExpr, regIdx+i);
        pParse->ckBase = 0;
        VdbeComment((v, "%s column %d", pIdx->zName, i));
      }else{
        if( iField==XN_ROWID || iField==pTab->iPKey ){
          if( regRowid==regIdx+i ) continue; /* ROWID already in regIdx+i */
          x = regNewData;
          regRowid =  pIdx->pPartIdxWhere ? -1 : regIdx+i;
        }else{
          x = iField + regNewData + 1;
        }
        sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i);
................................................................................
        }
      }else{
        int x;
        /* Extract the PRIMARY KEY from the end of the index entry and
        ** store it in registers regR..regR+nPk-1 */
        if( pIdx!=pPk ){
          for(i=0; i<pPk->nKeyCol; i++){
            assert( pPk->aiColumn[i]>=0 );
            x = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]);
            sqlite3VdbeAddOp3(v, OP_Column, iThisCur, x, regR+i);
            VdbeComment((v, "%s.%s", pTab->zName,
                         pTab->aCol[pPk->aiColumn[i]].zName));
          }
        }
        if( isUpdate ){
................................................................................
          int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol;
          int op = OP_Ne;
          int regCmp = (IsPrimaryKeyIndex(pIdx) ? regIdx : regR);
  
          for(i=0; i<pPk->nKeyCol; i++){
            char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]);
            x = pPk->aiColumn[i];
            assert( x>=0 );
            if( i==(pPk->nKeyCol-1) ){
              addrJump = addrUniqueOk;
              op = OP_Eq;
            }
            sqlite3VdbeAddOp4(v, op, 
                regOldData+1+x, addrJump, regCmp+i, p4, P4_COLLSEQ
            );
................................................................................
  if( pDest->onError!=pSrc->onError ){
    return 0;   /* Different conflict resolution strategies */
  }
  for(i=0; i<pSrc->nKeyCol; i++){
    if( pSrc->aiColumn[i]!=pDest->aiColumn[i] ){
      return 0;   /* Different columns indexed */
    }
    if( pSrc->aiColumn[i]==XN_EXPR ){
      assert( pSrc->aColExpr!=0 && pDest->aColExpr!=0 );
      if( sqlite3ExprCompare(pSrc->aColExpr->a[i].pExpr,
                             pDest->aColExpr->a[i].pExpr, -1)!=0 ){
        return 0;   /* Different expressions in the index */
      }
    }
    if( pSrc->aSortOrder[i]!=pDest->aSortOrder[i] ){

Changes to src/loadext.c.

404
405
406
407
408
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416
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...
611
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  sqlite3_result_text64,
  sqlite3_strglob,
  /* Version 3.8.11 and later */
  (sqlite3_value*(*)(const sqlite3_value*))sqlite3_value_dup,
  sqlite3_value_free,
  sqlite3_result_zeroblob64,
  sqlite3_bind_zeroblob64,
  /* Version 3.8.12 and later */
  sqlite3_value_subtype,
  sqlite3_result_subtype
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
................................................................................
/*
** The auto-extension code added regardless of whether or not extension
** loading is supported.  We need a dummy sqlite3Apis pointer for that
** code if regular extension loading is not available.  This is that
** dummy pointer.
*/
#ifdef SQLITE_OMIT_LOAD_EXTENSION
static const sqlite3_api_routines sqlite3Apis = { 0 };
#endif


/*
** The following object holds the list of automatically loaded
** extensions.
**







|







 







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  sqlite3_result_text64,
  sqlite3_strglob,
  /* Version 3.8.11 and later */
  (sqlite3_value*(*)(const sqlite3_value*))sqlite3_value_dup,
  sqlite3_value_free,
  sqlite3_result_zeroblob64,
  sqlite3_bind_zeroblob64,
  /* Version 3.9.0 and later */
  sqlite3_value_subtype,
  sqlite3_result_subtype
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
................................................................................
/*
** The auto-extension code added regardless of whether or not extension
** loading is supported.  We need a dummy sqlite3Apis pointer for that
** code if regular extension loading is not available.  This is that
** dummy pointer.
*/
#ifdef SQLITE_OMIT_LOAD_EXTENSION
static const sqlite3_api_routines sqlite3Apis;
#endif


/*
** The following object holds the list of automatically loaded
** extensions.
**

Changes to src/main.c.

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#endif
#ifdef SQLITE_ENABLE_RTREE
# include "rtree.h"
#endif
#ifdef SQLITE_ENABLE_ICU
# include "sqliteicu.h"
#endif







#ifndef SQLITE_AMALGAMATION
/* IMPLEMENTATION-OF: R-46656-45156 The sqlite3_version[] string constant
** contains the text of SQLITE_VERSION macro. 
*/
const char sqlite3_version[] = SQLITE_VERSION;
#endif
................................................................................
#ifdef SQLITE_ENABLE_FTS2
  if( !db->mallocFailed && rc==SQLITE_OK ){
    extern int sqlite3Fts2Init(sqlite3*);
    rc = sqlite3Fts2Init(db);
  }
#endif

#ifdef SQLITE_ENABLE_FTS3
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3Fts3Init(db);
  }
#endif







#ifdef SQLITE_ENABLE_ICU
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3IcuInit(db);
  }
#endif

................................................................................
#endif

#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif







  /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking
  ** mode.  -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking
  ** mode.  Doing nothing at all also makes NORMAL the default.
  */
#ifdef SQLITE_DEFAULT_LOCKING_MODE
  db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE;







>
>
>
>
>
>







 







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>
>
>
>
>
>







 







>
>
>
>
>
>







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2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
....
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
#endif
#ifdef SQLITE_ENABLE_RTREE
# include "rtree.h"
#endif
#ifdef SQLITE_ENABLE_ICU
# include "sqliteicu.h"
#endif
#ifdef SQLITE_ENABLE_JSON1
int sqlite3Json1Init(sqlite3*);
#endif
#ifdef SQLITE_ENABLE_FTS5
int sqlite3Fts5Init(sqlite3*);
#endif

#ifndef SQLITE_AMALGAMATION
/* IMPLEMENTATION-OF: R-46656-45156 The sqlite3_version[] string constant
** contains the text of SQLITE_VERSION macro. 
*/
const char sqlite3_version[] = SQLITE_VERSION;
#endif
................................................................................
#ifdef SQLITE_ENABLE_FTS2
  if( !db->mallocFailed && rc==SQLITE_OK ){
    extern int sqlite3Fts2Init(sqlite3*);
    rc = sqlite3Fts2Init(db);
  }
#endif

#ifdef SQLITE_ENABLE_FTS3 /* automatically defined by SQLITE_ENABLE_FTS4 */
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3Fts3Init(db);
  }
#endif

#ifdef SQLITE_ENABLE_FTS5
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3Fts5Init(db);
  }
#endif

#ifdef SQLITE_ENABLE_ICU
  if( !db->mallocFailed && rc==SQLITE_OK ){
    rc = sqlite3IcuInit(db);
  }
#endif

................................................................................
#endif

#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif

#ifdef SQLITE_ENABLE_JSON1
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3Json1Init(db);
  }
#endif

  /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking
  ** mode.  -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking
  ** mode.  Doing nothing at all also makes NORMAL the default.
  */
#ifdef SQLITE_DEFAULT_LOCKING_MODE
  db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE;

Changes to src/mutex_unix.c.

77
78
79
80
81
82
83
84


85
86
87
88
89
90
91
}
static int pthreadMutexNotheld(sqlite3_mutex *p){
  return p->nRef==0 || pthread_equal(p->owner, pthread_self())==0;
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization only.


*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__) && GCC_VERSION>=4001000
  __sync_synchronize();
#endif







|
>
>







77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
}
static int pthreadMutexNotheld(sqlite3_mutex *p){
  return p->nRef==0 || pthread_equal(p->owner, pthread_self())==0;
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization
** and also for the implementation of xShmBarrier in the VFS in cases
** where SQLite is compiled without mutexes.
*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__) && GCC_VERSION>=4001000
  __sync_synchronize();
#endif

Changes to src/mutex_w32.c.

74
75
76
77
78
79
80
81


82
83
84
85
86
87
88



89
90
91
92
93
94
95
static int winMutexNotheld(sqlite3_mutex *p){
  DWORD tid = GetCurrentThreadId();
  return winMutexNotheld2(p, tid);
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization only.


*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
  __sync_synchronize();
#else



  MemoryBarrier();
#endif
}

/*
** Initialize and deinitialize the mutex subsystem.
*/







|
>
>






|
>
>
>







74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
static int winMutexNotheld(sqlite3_mutex *p){
  DWORD tid = GetCurrentThreadId();
  return winMutexNotheld2(p, tid);
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization
** and also for the xShmBarrier method of the VFS in cases when SQLite is
** compiled without mutexes (SQLITE_THREADSAFE=0).
*/
void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
  __sync_synchronize();
#elif !defined(SQLITE_DISABLE_INTRINSIC) && \
      defined(_MSC_VER) && _MSC_VER>=1300
  _ReadWriteBarrier();
#elif defined(MemoryBarrier)
  MemoryBarrier();
#endif
}

/*
** Initialize and deinitialize the mutex subsystem.
*/

Changes to src/pragma.c.

1357
1358
1359
1360
1361
1362
1363
1364

1365
1366
1367
1368
1369
1370
1371
1372
....
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
....
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575

    /* Code that appears at the end of the integrity check.  If no error
    ** messages have been generated, output OK.  Otherwise output the
    ** error message
    */
    static const int iLn = VDBE_OFFSET_LINENO(2);
    static const VdbeOpList endCode[] = {
      { OP_IfNeg,       1, 0,        0},    /* 0 */

      { OP_String8,     0, 3,        0},    /* 1 */
      { OP_ResultRow,   3, 1,        0},
    };

    int isQuick = (sqlite3Tolower(zLeft[0])=='q');

    /* If the PRAGMA command was of the form "PRAGMA <db>.integrity_check",
    ** then iDb is set to the index of the database identified by <db>.
................................................................................
          ** or (2) the next entry has a different key */
          if( IsUniqueIndex(pIdx) ){
            int uniqOk = sqlite3VdbeMakeLabel(v);
            int jmp6;
            int kk;
            for(kk=0; kk<pIdx->nKeyCol; kk++){
              int iCol = pIdx->aiColumn[kk];
              assert( iCol>=0 && iCol<pTab->nCol );
              if( pTab->aCol[iCol].notNull ) continue;
              sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
              VdbeCoverage(v);
            }
            jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
            sqlite3VdbeGoto(v, uniqOk);
            sqlite3VdbeJumpHere(v, jmp6);
            sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
................................................................................
          sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7);
          sqlite3VdbeAddOp2(v, OP_ResultRow, 7, 1);
        }
#endif /* SQLITE_OMIT_BTREECOUNT */
      } 
    }
    addr = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode, iLn);
    sqlite3VdbeChangeP3(v, addr, -mxErr);
    sqlite3VdbeJumpHere(v, addr);
    sqlite3VdbeChangeP4(v, addr+1, "ok", P4_STATIC);
  }
  break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */

#ifndef SQLITE_OMIT_UTF16
  /*
  **   PRAGMA encoding







|
>
|







 







|
|







 







|
|
|







1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
....
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
....
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576

    /* Code that appears at the end of the integrity check.  If no error
    ** messages have been generated, output OK.  Otherwise output the
    ** error message
    */
    static const int iLn = VDBE_OFFSET_LINENO(2);
    static const VdbeOpList endCode[] = {
      { OP_AddImm,      1, 0,        0},    /* 0 */
      { OP_If,          1, 0,        0},    /* 1 */
      { OP_String8,     0, 3,        0},    /* 2 */
      { OP_ResultRow,   3, 1,        0},
    };

    int isQuick = (sqlite3Tolower(zLeft[0])=='q');

    /* If the PRAGMA command was of the form "PRAGMA <db>.integrity_check",
    ** then iDb is set to the index of the database identified by <db>.
................................................................................
          ** or (2) the next entry has a different key */
          if( IsUniqueIndex(pIdx) ){
            int uniqOk = sqlite3VdbeMakeLabel(v);
            int jmp6;
            int kk;
            for(kk=0; kk<pIdx->nKeyCol; kk++){
              int iCol = pIdx->aiColumn[kk];
              assert( iCol!=XN_ROWID && iCol<pTab->nCol );
              if( iCol>=0 && pTab->aCol[iCol].notNull ) continue;
              sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
              VdbeCoverage(v);
            }
            jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
            sqlite3VdbeGoto(v, uniqOk);
            sqlite3VdbeJumpHere(v, jmp6);
            sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
................................................................................
          sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7);
          sqlite3VdbeAddOp2(v, OP_ResultRow, 7, 1);
        }
#endif /* SQLITE_OMIT_BTREECOUNT */
      } 
    }
    addr = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode, iLn);
    sqlite3VdbeChangeP2(v, addr, -mxErr);
    sqlite3VdbeJumpHere(v, addr+1);
    sqlite3VdbeChangeP4(v, addr+2, "ok", P4_STATIC);
  }
  break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */

#ifndef SQLITE_OMIT_UTF16
  /*
  **   PRAGMA encoding

Changes to src/select.c.

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576
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578
579
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581
582
583
584
585
586
587
588
589
...
591
592
593
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596
597
598
599
600
601
602
603
604
605
606
607
608
609
....
1811
1812
1813
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1815
1816
1817
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1821
1822
1823
1824
1825
....
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860

1861
1862
1863
1864
1865
1866
1867
....
2269
2270
2271
2272
2273
2274
2275





2276
2277
2278
2279
2280
2281
2282
....
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
....
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
....
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
....
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
....
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
....
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
....
3140
3141
3142
3143
3144
3145
3146
3147

3148
3149
3150
3151
3152

3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163


3164
3165

3166
3167
3168
3169
3170
3171
3172
....
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
....
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
....
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
....
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697

3698
3699
3700
3701
3702
3703
3704
....
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
....
4263
4264
4265
4266
4267
4268
4269

4270
4271
4272
4273
4274
4275
4276
4277


4278

4279
4280
4281
4282
4283
4284
4285
....
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531

4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
....
4857
4858
4859
4860
4861
4862
4863

4864









4865
4866
4867
4868
4869
4870
4871
....
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
....
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
....
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
    int addr;
    int iLimit;
    if( pSelect->iOffset ){
      iLimit = pSelect->iOffset+1;
    }else{
      iLimit = pSelect->iLimit;
    }
    addr = sqlite3VdbeAddOp3(v, OP_IfNotZero, iLimit, 0, -1); VdbeCoverage(v);
    sqlite3VdbeAddOp1(v, OP_Last, pSort->iECursor);
    sqlite3VdbeAddOp1(v, OP_Delete, pSort->iECursor);
    sqlite3VdbeJumpHere(v, addr);
  }
}

/*
................................................................................
*/
static void codeOffset(
  Vdbe *v,          /* Generate code into this VM */
  int iOffset,      /* Register holding the offset counter */
  int iContinue     /* Jump here to skip the current record */
){
  if( iOffset>0 ){
    int addr;
    addr = sqlite3VdbeAddOp3(v, OP_IfNeg, iOffset, 0, -1); VdbeCoverage(v);
    sqlite3VdbeGoto(v, iContinue);
    VdbeComment((v, "skip OFFSET records"));
    sqlite3VdbeJumpHere(v, addr);
  }
}

/*
** Add code that will check to make sure the N registers starting at iMem
** form a distinct entry.  iTab is a sorting index that holds previously
** seen combinations of the N values.  A new entry is made in iTab
................................................................................
** the reuse of the same limit and offset registers across multiple
** SELECT statements.
*/
static void computeLimitRegisters(Parse *pParse, Select *p, int iBreak){
  Vdbe *v = 0;
  int iLimit = 0;
  int iOffset;
  int addr1, n;
  if( p->iLimit ) return;

  /* 
  ** "LIMIT -1" always shows all rows.  There is some
  ** controversy about what the correct behavior should be.
  ** The current implementation interprets "LIMIT 0" to mean
  ** no rows.
................................................................................
    }
    if( p->pOffset ){
      p->iOffset = iOffset = ++pParse->nMem;
      pParse->nMem++;   /* Allocate an extra register for limit+offset */
      sqlite3ExprCode(pParse, p->pOffset, iOffset);
      sqlite3VdbeAddOp1(v, OP_MustBeInt, iOffset); VdbeCoverage(v);
      VdbeComment((v, "OFFSET counter"));
      addr1 = sqlite3VdbeAddOp1(v, OP_IfPos, iOffset); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, iOffset);
      sqlite3VdbeJumpHere(v, addr1);
      sqlite3VdbeAddOp3(v, OP_Add, iLimit, iOffset, iOffset+1);
      VdbeComment((v, "LIMIT+OFFSET"));
      addr1 = sqlite3VdbeAddOp1(v, OP_IfPos, iLimit); VdbeCoverage(v);
      sqlite3VdbeAddOp2(v, OP_Integer, -1, iOffset+1);
      sqlite3VdbeJumpHere(v, addr1);

    }
  }
}

#ifndef SQLITE_OMIT_COMPOUND_SELECT
/*
** Return the appropriate collating sequence for the iCol-th column of
................................................................................
      }
      p->pPrior = 0;
      p->iLimit = pPrior->iLimit;
      p->iOffset = pPrior->iOffset;
      if( p->iLimit ){
        addr = sqlite3VdbeAddOp1(v, OP_IfNot, p->iLimit); VdbeCoverage(v);
        VdbeComment((v, "Jump ahead if LIMIT reached"));





      }
      explainSetInteger(iSub2, pParse->iNextSelectId);
      rc = sqlite3Select(pParse, p, &dest);
      testcase( rc!=SQLITE_OK );
      pDelete = p->pPrior;
      p->pPrior = pPrior;
      p->nSelectRow += pPrior->nSelectRow;
................................................................................

  addr = sqlite3VdbeCurrentAddr(v);
  iContinue = sqlite3VdbeMakeLabel(v);

  /* Suppress duplicates for UNION, EXCEPT, and INTERSECT 
  */
  if( regPrev ){
    int j1, j2;
    j1 = sqlite3VdbeAddOp1(v, OP_IfNot, regPrev); VdbeCoverage(v);
    j2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iSdst, regPrev+1, pIn->nSdst,
                              (char*)sqlite3KeyInfoRef(pKeyInfo), P4_KEYINFO);
    sqlite3VdbeAddOp3(v, OP_Jump, j2+2, iContinue, j2+2); VdbeCoverage(v);
    sqlite3VdbeJumpHere(v, j1);
    sqlite3VdbeAddOp3(v, OP_Copy, pIn->iSdst, regPrev+1, pIn->nSdst-1);
    sqlite3VdbeAddOp2(v, OP_Integer, 1, regPrev);
  }
  if( pParse->db->mallocFailed ) return 0;

  /* Suppress the first OFFSET entries if there is an OFFSET clause
  */
................................................................................
  int regLimitA;        /* Limit register for select-A */
  int regLimitB;        /* Limit register for select-A */
  int regPrev;          /* A range of registers to hold previous output */
  int savedLimit;       /* Saved value of p->iLimit */
  int savedOffset;      /* Saved value of p->iOffset */
  int labelCmpr;        /* Label for the start of the merge algorithm */
  int labelEnd;         /* Label for the end of the overall SELECT stmt */
  int j1;               /* Jump instructions that get retargetted */
  int op;               /* One of TK_ALL, TK_UNION, TK_EXCEPT, TK_INTERSECT */
  KeyInfo *pKeyDup = 0; /* Comparison information for duplicate removal */
  KeyInfo *pKeyMerge;   /* Comparison information for merging rows */
  sqlite3 *db;          /* Database connection */
  ExprList *pOrderBy;   /* The ORDER BY clause */
  int nOrderBy;         /* Number of terms in the ORDER BY clause */
  int *aPermute;        /* Mapping from ORDER BY terms to result set columns */
................................................................................
  sqlite3SelectDestInit(&destA, SRT_Coroutine, regAddrA);
  sqlite3SelectDestInit(&destB, SRT_Coroutine, regAddrB);

  /* Generate a coroutine to evaluate the SELECT statement to the
  ** left of the compound operator - the "A" select.
  */
  addrSelectA = sqlite3VdbeCurrentAddr(v) + 1;
  j1 = sqlite3VdbeAddOp3(v, OP_InitCoroutine, regAddrA, 0, addrSelectA);
  VdbeComment((v, "left SELECT"));
  pPrior->iLimit = regLimitA;
  explainSetInteger(iSub1, pParse->iNextSelectId);
  sqlite3Select(pParse, pPrior, &destA);
  sqlite3VdbeAddOp1(v, OP_EndCoroutine, regAddrA);
  sqlite3VdbeJumpHere(v, j1);

  /* Generate a coroutine to evaluate the SELECT statement on 
  ** the right - the "B" select
  */
  addrSelectB = sqlite3VdbeCurrentAddr(v) + 1;
  j1 = sqlite3VdbeAddOp3(v, OP_InitCoroutine, regAddrB, 0, addrSelectB);
  VdbeComment((v, "right SELECT"));
  savedLimit = p->iLimit;
  savedOffset = p->iOffset;
  p->iLimit = regLimitB;
  p->iOffset = 0;  
  explainSetInteger(iSub2, pParse->iNextSelectId);
  sqlite3Select(pParse, p, &destB);
................................................................................
    sqlite3VdbeAddOp2(v, OP_Gosub, regOutB, addrOutB);
  }
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrB, addrEofB); VdbeCoverage(v);
  sqlite3VdbeGoto(v, labelCmpr);

  /* This code runs once to initialize everything.
  */
  sqlite3VdbeJumpHere(v, j1);
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrA, addrEofA_noB); VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrB, addrEofB); VdbeCoverage(v);

  /* Implement the main merge loop
  */
  sqlite3VdbeResolveLabel(v, labelCmpr);
  sqlite3VdbeAddOp4(v, OP_Permutation, 0, 0, 0, (char*)aPermute, P4_INTARRAY);
................................................................................
  return pParse->nErr!=0;
}
#endif

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
/* Forward Declarations */
static void substExprList(sqlite3*, ExprList*, int, ExprList*);
static void substSelect(sqlite3*, Select *, int, ExprList *);

/*
** Scan through the expression pExpr.  Replace every reference to
** a column in table number iTable with a copy of the iColumn-th
** entry in pEList.  (But leave references to the ROWID column 
** unchanged.)
**
................................................................................
      sqlite3ExprDelete(db, pExpr);
      pExpr = pNew;
    }
  }else{
    pExpr->pLeft = substExpr(db, pExpr->pLeft, iTable, pEList);
    pExpr->pRight = substExpr(db, pExpr->pRight, iTable, pEList);
    if( ExprHasProperty(pExpr, EP_xIsSelect) ){
      substSelect(db, pExpr->x.pSelect, iTable, pEList);
    }else{
      substExprList(db, pExpr->x.pList, iTable, pEList);
    }
  }
  return pExpr;
}
static void substExprList(
................................................................................
    pList->a[i].pExpr = substExpr(db, pList->a[i].pExpr, iTable, pEList);
  }
}
static void substSelect(
  sqlite3 *db,         /* Report malloc errors here */
  Select *p,           /* SELECT statement in which to make substitutions */
  int iTable,          /* Table to be replaced */
  ExprList *pEList     /* Substitute values */

){
  SrcList *pSrc;
  struct SrcList_item *pItem;
  int i;
  if( !p ) return;

  substExprList(db, p->pEList, iTable, pEList);
  substExprList(db, p->pGroupBy, iTable, pEList);
  substExprList(db, p->pOrderBy, iTable, pEList);
  p->pHaving = substExpr(db, p->pHaving, iTable, pEList);
  p->pWhere = substExpr(db, p->pWhere, iTable, pEList);
  substSelect(db, p->pPrior, iTable, pEList);
  pSrc = p->pSrc;
  assert( pSrc );  /* Even for (SELECT 1) we have: pSrc!=0 but pSrc->nSrc==0 */
  if( ALWAYS(pSrc) ){
    for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
      substSelect(db, pItem->pSelect, iTable, pEList);


    }
  }

}
#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
/*
** This routine attempts to flatten subqueries as a performance optimization.
** This routine returns 1 if it makes changes and 0 if no flattening occurs.
................................................................................
  Parse *pParse,       /* Parsing context */
  Select *p,           /* The parent or outer SELECT statement */
  int iFrom,           /* Index in p->pSrc->a[] of the inner subquery */
  int isAgg,           /* True if outer SELECT uses aggregate functions */
  int subqueryIsAgg    /* True if the subquery uses aggregate functions */
){
  const char *zSavedAuthContext = pParse->zAuthContext;
  Select *pParent;
  Select *pSub;       /* The inner query or "subquery" */
  Select *pSub1;      /* Pointer to the rightmost select in sub-query */
  SrcList *pSrc;      /* The FROM clause of the outer query */
  SrcList *pSubSrc;   /* The FROM clause of the subquery */
  ExprList *pList;    /* The result set of the outer query */
  int iParent;        /* VDBE cursor number of the pSub result set temp table */
  int i;              /* Loop counter */
................................................................................
    **
    ** Example:
    **
    **    SELECT * FROM tabA, (SELECT * FROM sub1, sub2), tabB;
    **
    ** The outer query has 3 slots in its FROM clause.  One slot of the
    ** outer query (the middle slot) is used by the subquery.  The next
    ** block of code will expand the out query to 4 slots.  The middle
    ** slot is expanded to two slots in order to make space for the
    ** two elements in the FROM clause of the subquery.
    */
    if( nSubSrc>1 ){
      pParent->pSrc = pSrc = sqlite3SrcListEnlarge(db, pSrc, nSubSrc-1,iFrom+1);
      if( db->mallocFailed ){
        break;
      }
    }
................................................................................
    for(i=0; i<pList->nExpr; i++){
      if( pList->a[i].zName==0 ){
        char *zName = sqlite3DbStrDup(db, pList->a[i].zSpan);
        sqlite3Dequote(zName);
        pList->a[i].zName = zName;
      }
    }
    substExprList(db, pParent->pEList, iParent, pSub->pEList);
    if( isAgg ){
      substExprList(db, pParent->pGroupBy, iParent, pSub->pEList);
      pParent->pHaving = substExpr(db, pParent->pHaving, iParent, pSub->pEList);
    }
    if( pSub->pOrderBy ){
      /* At this point, any non-zero iOrderByCol values indicate that the
      ** ORDER BY column expression is identical to the iOrderByCol'th
      ** expression returned by SELECT statement pSub. Since these values
      ** do not necessarily correspond to columns in SELECT statement pParent,
      ** zero them before transfering the ORDER BY clause.
      **
................................................................................
      for(i=0; i<pOrderBy->nExpr; i++){
        pOrderBy->a[i].u.x.iOrderByCol = 0;
      }
      assert( pParent->pOrderBy==0 );
      assert( pSub->pPrior==0 );
      pParent->pOrderBy = pOrderBy;
      pSub->pOrderBy = 0;
    }else if( pParent->pOrderBy ){
      substExprList(db, pParent->pOrderBy, iParent, pSub->pEList);
    }
    if( pSub->pWhere ){
      pWhere = sqlite3ExprDup(db, pSub->pWhere, 0);
    }else{
      pWhere = 0;
    }
    if( subqueryIsAgg ){
      assert( pParent->pHaving==0 );
      pParent->pHaving = pParent->pWhere;
      pParent->pWhere = pWhere;
      pParent->pHaving = substExpr(db, pParent->pHaving, iParent, pSub->pEList);
      pParent->pHaving = sqlite3ExprAnd(db, pParent->pHaving, 
                                  sqlite3ExprDup(db, pSub->pHaving, 0));
      assert( pParent->pGroupBy==0 );
      pParent->pGroupBy = sqlite3ExprListDup(db, pSub->pGroupBy, 0);
    }else{
      pParent->pWhere = substExpr(db, pParent->pWhere, iParent, pSub->pEList);
      pParent->pWhere = sqlite3ExprAnd(db, pParent->pWhere, pWhere);
    }

  
    /* The flattened query is distinct if either the inner or the
    ** outer query is distinct. 
    */
    pParent->selFlags |= pSub->selFlags & SF_Distinct;
  
    /*
................................................................................

  /* Look up every table named in the FROM clause of the select.  If
  ** an entry of the FROM clause is a subquery instead of a table or view,
  ** then create a transient table structure to describe the subquery.
  */
  for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
    Table *pTab;
    assert( pFrom->fg.isRecursive==0 || pFrom->pTab );
    if( pFrom->fg.isRecursive ) continue;
    if( pFrom->pTab!=0 ){
      /* This statement has already been prepared.  There is no need
      ** to go further. */
      assert( i==0 );
#ifndef SQLITE_OMIT_CTE
      selectPopWith(pWalker, p);
#endif
      return WRC_Prune;
    }
#ifndef SQLITE_OMIT_CTE
    if( withExpand(pWalker, pFrom) ) return WRC_Abort;
    if( pFrom->pTab ) {} else
#endif
    if( pFrom->zName==0 ){
#ifndef SQLITE_OMIT_SUBQUERY
      Select *pSel = pFrom->pSelect;
................................................................................
           pTab->zName);
        pFrom->pTab = 0;
        return WRC_Abort;
      }
      pTab->nRef++;
#if !defined(SQLITE_OMIT_VIEW) || !defined (SQLITE_OMIT_VIRTUALTABLE)
      if( pTab->pSelect || IsVirtual(pTab) ){

        if( sqlite3ViewGetColumnNames(pParse, pTab) ) return WRC_Abort;
        assert( pFrom->pSelect==0 );
        if( pFrom->fg.isTabFunc && !IsVirtual(pTab) ){
          sqlite3ErrorMsg(pParse, "'%s' is not a function", pTab->zName);
          return WRC_Abort;
        }
        pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0);
        sqlite3SelectSetName(pFrom->pSelect, pTab->zName);


        sqlite3WalkSelect(pWalker, pFrom->pSelect);

      }
#endif
    }

    /* Locate the index named by the INDEXED BY clause, if any. */
    if( sqlite3IndexedByLookup(pParse, pFrom) ){
      return WRC_Abort;
................................................................................
static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){
  Parse *pParse;
  int i;
  SrcList *pTabList;
  struct SrcList_item *pFrom;

  assert( p->selFlags & SF_Resolved );
  if( (p->selFlags & SF_HasTypeInfo)==0 ){
    p->selFlags |= SF_HasTypeInfo;
    pParse = pWalker->pParse;
    pTabList = p->pSrc;
    for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
      Table *pTab = pFrom->pTab;

      if( ALWAYS(pTab!=0) && (pTab->tabFlags & TF_Ephemeral)!=0 ){
        /* A sub-query in the FROM clause of a SELECT */
        Select *pSel = pFrom->pSelect;
        if( pSel ){
          while( pSel->pPrior ) pSel = pSel->pPrior;
          selectAddColumnTypeAndCollation(pParse, pTab, pSel);
        }
      }
    }
  }
}
#endif


................................................................................
  /* Try to flatten subqueries in the FROM clause up into the main query
  */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
  for(i=0; !p->pPrior && i<pTabList->nSrc; i++){
    struct SrcList_item *pItem = &pTabList->a[i];
    Select *pSub = pItem->pSelect;
    int isAggSub;

    if( pSub==0 ) continue;









    isAggSub = (pSub->selFlags & SF_Aggregate)!=0;
    if( flattenSubquery(pParse, p, i, isAgg, isAggSub) ){
      /* This subquery can be absorbed into its parent. */
      if( isAggSub ){
        isAgg = 1;
        p->selFlags |= SF_Aggregate;
      }
................................................................................
    if( db->mallocFailed ) goto select_end;

    /* Processing for aggregates with GROUP BY is very different and
    ** much more complex than aggregates without a GROUP BY.
    */
    if( pGroupBy ){
      KeyInfo *pKeyInfo;  /* Keying information for the group by clause */
      int j1;             /* A-vs-B comparision jump */
      int addrOutputRow;  /* Start of subroutine that outputs a result row */
      int regOutputRow;   /* Return address register for output subroutine */
      int addrSetAbort;   /* Set the abort flag and return */
      int addrTopOfLoop;  /* Top of the input loop */
      int addrSortingIdx; /* The OP_OpenEphemeral for the sorting index */
      int addrReset;      /* Subroutine for resetting the accumulator */
      int regReset;       /* Return address register for reset subroutine */
................................................................................
        }else{
          sAggInfo.directMode = 1;
          sqlite3ExprCode(pParse, pGroupBy->a[j].pExpr, iBMem+j);
        }
      }
      sqlite3VdbeAddOp4(v, OP_Compare, iAMem, iBMem, pGroupBy->nExpr,
                          (char*)sqlite3KeyInfoRef(pKeyInfo), P4_KEYINFO);
      j1 = sqlite3VdbeCurrentAddr(v);
      sqlite3VdbeAddOp3(v, OP_Jump, j1+1, 0, j1+1); VdbeCoverage(v);

      /* Generate code that runs whenever the GROUP BY changes.
      ** Changes in the GROUP BY are detected by the previous code
      ** block.  If there were no changes, this block is skipped.
      **
      ** This code copies current group by terms in b0,b1,b2,...
      ** over to a0,a1,a2.  It then calls the output subroutine
................................................................................
      VdbeComment((v, "check abort flag"));
      sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset);
      VdbeComment((v, "reset accumulator"));

      /* Update the aggregate accumulators based on the content of
      ** the current row
      */
      sqlite3VdbeJumpHere(v, j1);
      updateAccumulator(pParse, &sAggInfo);
      sqlite3VdbeAddOp2(v, OP_Integer, 1, iUseFlag);
      VdbeComment((v, "indicate data in accumulator"));

      /* End of the loop
      */
      if( groupBySort ){







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    int addr;
    int iLimit;
    if( pSelect->iOffset ){
      iLimit = pSelect->iOffset+1;
    }else{
      iLimit = pSelect->iLimit;
    }
    addr = sqlite3VdbeAddOp3(v, OP_IfNotZero, iLimit, 0, 1); VdbeCoverage(v);
    sqlite3VdbeAddOp1(v, OP_Last, pSort->iECursor);
    sqlite3VdbeAddOp1(v, OP_Delete, pSort->iECursor);
    sqlite3VdbeJumpHere(v, addr);
  }
}

/*
................................................................................
*/
static void codeOffset(
  Vdbe *v,          /* Generate code into this VM */
  int iOffset,      /* Register holding the offset counter */
  int iContinue     /* Jump here to skip the current record */
){
  if( iOffset>0 ){

    sqlite3VdbeAddOp3(v, OP_IfPos, iOffset, iContinue, 1); VdbeCoverage(v);

    VdbeComment((v, "OFFSET"));

  }
}

/*
** Add code that will check to make sure the N registers starting at iMem
** form a distinct entry.  iTab is a sorting index that holds previously
** seen combinations of the N values.  A new entry is made in iTab
................................................................................
** the reuse of the same limit and offset registers across multiple
** SELECT statements.
*/
static void computeLimitRegisters(Parse *pParse, Select *p, int iBreak){
  Vdbe *v = 0;
  int iLimit = 0;
  int iOffset;
  int n;
  if( p->iLimit ) return;

  /* 
  ** "LIMIT -1" always shows all rows.  There is some
  ** controversy about what the correct behavior should be.
  ** The current implementation interprets "LIMIT 0" to mean
  ** no rows.
................................................................................
    }
    if( p->pOffset ){
      p->iOffset = iOffset = ++pParse->nMem;
      pParse->nMem++;   /* Allocate an extra register for limit+offset */
      sqlite3ExprCode(pParse, p->pOffset, iOffset);
      sqlite3VdbeAddOp1(v, OP_MustBeInt, iOffset); VdbeCoverage(v);
      VdbeComment((v, "OFFSET counter"));
      sqlite3VdbeAddOp3(v, OP_SetIfNotPos, iOffset, iOffset, 0);


      sqlite3VdbeAddOp3(v, OP_Add, iLimit, iOffset, iOffset+1);
      VdbeComment((v, "LIMIT+OFFSET"));



      sqlite3VdbeAddOp3(v, OP_SetIfNotPos, iLimit, iOffset+1, -1);
    }
  }
}

#ifndef SQLITE_OMIT_COMPOUND_SELECT
/*
** Return the appropriate collating sequence for the iCol-th column of
................................................................................
      }
      p->pPrior = 0;
      p->iLimit = pPrior->iLimit;
      p->iOffset = pPrior->iOffset;
      if( p->iLimit ){
        addr = sqlite3VdbeAddOp1(v, OP_IfNot, p->iLimit); VdbeCoverage(v);
        VdbeComment((v, "Jump ahead if LIMIT reached"));
        if( p->iOffset ){
          sqlite3VdbeAddOp3(v, OP_SetIfNotPos, p->iOffset, p->iOffset, 0);
          sqlite3VdbeAddOp3(v, OP_Add, p->iLimit, p->iOffset, p->iOffset+1);
          sqlite3VdbeAddOp3(v, OP_SetIfNotPos, p->iLimit, p->iOffset+1, -1);
        }
      }
      explainSetInteger(iSub2, pParse->iNextSelectId);
      rc = sqlite3Select(pParse, p, &dest);
      testcase( rc!=SQLITE_OK );
      pDelete = p->pPrior;
      p->pPrior = pPrior;
      p->nSelectRow += pPrior->nSelectRow;
................................................................................

  addr = sqlite3VdbeCurrentAddr(v);
  iContinue = sqlite3VdbeMakeLabel(v);

  /* Suppress duplicates for UNION, EXCEPT, and INTERSECT 
  */
  if( regPrev ){
    int addr1, addr2;
    addr1 = sqlite3VdbeAddOp1(v, OP_IfNot, regPrev); VdbeCoverage(v);
    addr2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iSdst, regPrev+1, pIn->nSdst,
                              (char*)sqlite3KeyInfoRef(pKeyInfo), P4_KEYINFO);
    sqlite3VdbeAddOp3(v, OP_Jump, addr2+2, iContinue, addr2+2); VdbeCoverage(v);
    sqlite3VdbeJumpHere(v, addr1);
    sqlite3VdbeAddOp3(v, OP_Copy, pIn->iSdst, regPrev+1, pIn->nSdst-1);
    sqlite3VdbeAddOp2(v, OP_Integer, 1, regPrev);
  }
  if( pParse->db->mallocFailed ) return 0;

  /* Suppress the first OFFSET entries if there is an OFFSET clause
  */
................................................................................
  int regLimitA;        /* Limit register for select-A */
  int regLimitB;        /* Limit register for select-A */
  int regPrev;          /* A range of registers to hold previous output */
  int savedLimit;       /* Saved value of p->iLimit */
  int savedOffset;      /* Saved value of p->iOffset */
  int labelCmpr;        /* Label for the start of the merge algorithm */
  int labelEnd;         /* Label for the end of the overall SELECT stmt */
  int addr1;            /* Jump instructions that get retargetted */
  int op;               /* One of TK_ALL, TK_UNION, TK_EXCEPT, TK_INTERSECT */
  KeyInfo *pKeyDup = 0; /* Comparison information for duplicate removal */
  KeyInfo *pKeyMerge;   /* Comparison information for merging rows */
  sqlite3 *db;          /* Database connection */
  ExprList *pOrderBy;   /* The ORDER BY clause */
  int nOrderBy;         /* Number of terms in the ORDER BY clause */
  int *aPermute;        /* Mapping from ORDER BY terms to result set columns */
................................................................................
  sqlite3SelectDestInit(&destA, SRT_Coroutine, regAddrA);
  sqlite3SelectDestInit(&destB, SRT_Coroutine, regAddrB);

  /* Generate a coroutine to evaluate the SELECT statement to the
  ** left of the compound operator - the "A" select.
  */
  addrSelectA = sqlite3VdbeCurrentAddr(v) + 1;
  addr1 = sqlite3VdbeAddOp3(v, OP_InitCoroutine, regAddrA, 0, addrSelectA);
  VdbeComment((v, "left SELECT"));
  pPrior->iLimit = regLimitA;
  explainSetInteger(iSub1, pParse->iNextSelectId);
  sqlite3Select(pParse, pPrior, &destA);
  sqlite3VdbeAddOp1(v, OP_EndCoroutine, regAddrA);
  sqlite3VdbeJumpHere(v, addr1);

  /* Generate a coroutine to evaluate the SELECT statement on 
  ** the right - the "B" select
  */
  addrSelectB = sqlite3VdbeCurrentAddr(v) + 1;
  addr1 = sqlite3VdbeAddOp3(v, OP_InitCoroutine, regAddrB, 0, addrSelectB);
  VdbeComment((v, "right SELECT"));
  savedLimit = p->iLimit;
  savedOffset = p->iOffset;
  p->iLimit = regLimitB;
  p->iOffset = 0;  
  explainSetInteger(iSub2, pParse->iNextSelectId);
  sqlite3Select(pParse, p, &destB);
................................................................................
    sqlite3VdbeAddOp2(v, OP_Gosub, regOutB, addrOutB);
  }
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrB, addrEofB); VdbeCoverage(v);
  sqlite3VdbeGoto(v, labelCmpr);

  /* This code runs once to initialize everything.
  */
  sqlite3VdbeJumpHere(v, addr1);
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrA, addrEofA_noB); VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Yield, regAddrB, addrEofB); VdbeCoverage(v);

  /* Implement the main merge loop
  */
  sqlite3VdbeResolveLabel(v, labelCmpr);
  sqlite3VdbeAddOp4(v, OP_Permutation, 0, 0, 0, (char*)aPermute, P4_INTARRAY);
................................................................................
  return pParse->nErr!=0;
}
#endif

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
/* Forward Declarations */
static void substExprList(sqlite3*, ExprList*, int, ExprList*);
static void substSelect(sqlite3*, Select *, int, ExprList*, int);

/*
** Scan through the expression pExpr.  Replace every reference to
** a column in table number iTable with a copy of the iColumn-th
** entry in pEList.  (But leave references to the ROWID column 
** unchanged.)
**
................................................................................
      sqlite3ExprDelete(db, pExpr);
      pExpr = pNew;
    }
  }else{
    pExpr->pLeft = substExpr(db, pExpr->pLeft, iTable, pEList);
    pExpr->pRight = substExpr(db, pExpr->pRight, iTable, pEList);
    if( ExprHasProperty(pExpr, EP_xIsSelect) ){
      substSelect(db, pExpr->x.pSelect, iTable, pEList, 1);
    }else{
      substExprList(db, pExpr->x.pList, iTable, pEList);
    }
  }
  return pExpr;
}
static void substExprList(
................................................................................
    pList->a[i].pExpr = substExpr(db, pList->a[i].pExpr, iTable, pEList);
  }
}
static void substSelect(
  sqlite3 *db,         /* Report malloc errors here */
  Select *p,           /* SELECT statement in which to make substitutions */
  int iTable,          /* Table to be replaced */
  ExprList *pEList,    /* Substitute values */
  int doPrior          /* Do substitutes on p->pPrior too */
){
  SrcList *pSrc;
  struct SrcList_item *pItem;
  int i;
  if( !p ) return;
  do{
    substExprList(db, p->pEList, iTable, pEList);
    substExprList(db, p->pGroupBy, iTable, pEList);
    substExprList(db, p->pOrderBy, iTable, pEList);
    p->pHaving = substExpr(db, p->pHaving, iTable, pEList);
    p->pWhere = substExpr(db, p->pWhere, iTable, pEList);

    pSrc = p->pSrc;
    assert( pSrc!=0 );

    for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){
      substSelect(db, pItem->pSelect, iTable, pEList, 1);
      if( pItem->fg.isTabFunc ){
        substExprList(db, pItem->u1.pFuncArg, iTable, pEList);
      }
    }
  }while( doPrior && (p = p->pPrior)!=0 );
}
#endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
/*
** This routine attempts to flatten subqueries as a performance optimization.
** This routine returns 1 if it makes changes and 0 if no flattening occurs.
................................................................................
  Parse *pParse,       /* Parsing context */
  Select *p,           /* The parent or outer SELECT statement */
  int iFrom,           /* Index in p->pSrc->a[] of the inner subquery */
  int isAgg,           /* True if outer SELECT uses aggregate functions */
  int subqueryIsAgg    /* True if the subquery uses aggregate functions */
){
  const char *zSavedAuthContext = pParse->zAuthContext;
  Select *pParent;    /* Current UNION ALL term of the other query */
  Select *pSub;       /* The inner query or "subquery" */
  Select *pSub1;      /* Pointer to the rightmost select in sub-query */
  SrcList *pSrc;      /* The FROM clause of the outer query */
  SrcList *pSubSrc;   /* The FROM clause of the subquery */
  ExprList *pList;    /* The result set of the outer query */
  int iParent;        /* VDBE cursor number of the pSub result set temp table */
  int i;              /* Loop counter */
................................................................................
    **
    ** Example:
    **
    **    SELECT * FROM tabA, (SELECT * FROM sub1, sub2), tabB;
    **
    ** The outer query has 3 slots in its FROM clause.  One slot of the
    ** outer query (the middle slot) is used by the subquery.  The next
    ** block of code will expand the outer query FROM clause to 4 slots.
    ** The middle slot is expanded to two slots in order to make space
    ** for the two elements in the FROM clause of the subquery.
    */
    if( nSubSrc>1 ){
      pParent->pSrc = pSrc = sqlite3SrcListEnlarge(db, pSrc, nSubSrc-1,iFrom+1);
      if( db->mallocFailed ){
        break;
      }
    }
................................................................................
    for(i=0; i<pList->nExpr; i++){
      if( pList->a[i].zName==0 ){
        char *zName = sqlite3DbStrDup(db, pList->a[i].zSpan);
        sqlite3Dequote(zName);
        pList->a[i].zName = zName;
      }
    }





    if( pSub->pOrderBy ){
      /* At this point, any non-zero iOrderByCol values indicate that the
      ** ORDER BY column expression is identical to the iOrderByCol'th
      ** expression returned by SELECT statement pSub. Since these values
      ** do not necessarily correspond to columns in SELECT statement pParent,
      ** zero them before transfering the ORDER BY clause.
      **
................................................................................
      for(i=0; i<pOrderBy->nExpr; i++){
        pOrderBy->a[i].u.x.iOrderByCol = 0;
      }
      assert( pParent->pOrderBy==0 );
      assert( pSub->pPrior==0 );
      pParent->pOrderBy = pOrderBy;
      pSub->pOrderBy = 0;


    }

    pWhere = sqlite3ExprDup(db, pSub->pWhere, 0);



    if( subqueryIsAgg ){
      assert( pParent->pHaving==0 );
      pParent->pHaving = pParent->pWhere;
      pParent->pWhere = pWhere;

      pParent->pHaving = sqlite3ExprAnd(db, pParent->pHaving, 
                                  sqlite3ExprDup(db, pSub->pHaving, 0));
      assert( pParent->pGroupBy==0 );
      pParent->pGroupBy = sqlite3ExprListDup(db, pSub->pGroupBy, 0);
    }else{

      pParent->pWhere = sqlite3ExprAnd(db, pParent->pWhere, pWhere);
    }
    substSelect(db, pParent, iParent, pSub->pEList, 0);
  
    /* The flattened query is distinct if either the inner or the
    ** outer query is distinct. 
    */
    pParent->selFlags |= pSub->selFlags & SF_Distinct;
  
    /*
................................................................................

  /* Look up every table named in the FROM clause of the select.  If
  ** an entry of the FROM clause is a subquery instead of a table or view,
  ** then create a transient table structure to describe the subquery.
  */
  for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
    Table *pTab;
    assert( pFrom->fg.isRecursive==0 || pFrom->pTab!=0 );
    if( pFrom->fg.isRecursive ) continue;
    assert( pFrom->pTab==0 );








#ifndef SQLITE_OMIT_CTE
    if( withExpand(pWalker, pFrom) ) return WRC_Abort;
    if( pFrom->pTab ) {} else
#endif
    if( pFrom->zName==0 ){
#ifndef SQLITE_OMIT_SUBQUERY
      Select *pSel = pFrom->pSelect;
................................................................................
           pTab->zName);
        pFrom->pTab = 0;
        return WRC_Abort;
      }
      pTab->nRef++;
#if !defined(SQLITE_OMIT_VIEW) || !defined (SQLITE_OMIT_VIRTUALTABLE)
      if( pTab->pSelect || IsVirtual(pTab) ){
        i16 nCol;
        if( sqlite3ViewGetColumnNames(pParse, pTab) ) return WRC_Abort;
        assert( pFrom->pSelect==0 );
        if( pFrom->fg.isTabFunc && !IsVirtual(pTab) ){
          sqlite3ErrorMsg(pParse, "'%s' is not a function", pTab->zName);
          return WRC_Abort;
        }
        pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0);
        sqlite3SelectSetName(pFrom->pSelect, pTab->zName);
        nCol = pTab->nCol;
        pTab->nCol = -1;
        sqlite3WalkSelect(pWalker, pFrom->pSelect);
        pTab->nCol = nCol;
      }
#endif
    }

    /* Locate the index named by the INDEXED BY clause, if any. */
    if( sqlite3IndexedByLookup(pParse, pFrom) ){
      return WRC_Abort;
................................................................................
static void selectAddSubqueryTypeInfo(Walker *pWalker, Select *p){
  Parse *pParse;
  int i;
  SrcList *pTabList;
  struct SrcList_item *pFrom;

  assert( p->selFlags & SF_Resolved );
  assert( (p->selFlags & SF_HasTypeInfo)==0 );
  p->selFlags |= SF_HasTypeInfo;
  pParse = pWalker->pParse;
  pTabList = p->pSrc;
  for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
    Table *pTab = pFrom->pTab;
    assert( pTab!=0 );
    if( (pTab->tabFlags & TF_Ephemeral)!=0 ){
      /* A sub-query in the FROM clause of a SELECT */
      Select *pSel = pFrom->pSelect;
      if( pSel ){
        while( pSel->pPrior ) pSel = pSel->pPrior;
        selectAddColumnTypeAndCollation(pParse, pTab, pSel);

      }
    }
  }
}
#endif


................................................................................
  /* Try to flatten subqueries in the FROM clause up into the main query
  */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
  for(i=0; !p->pPrior && i<pTabList->nSrc; i++){
    struct SrcList_item *pItem = &pTabList->a[i];
    Select *pSub = pItem->pSelect;
    int isAggSub;
    Table *pTab = pItem->pTab;
    if( pSub==0 ) continue;

    /* Catch mismatch in the declared columns of a view and the number of
    ** columns in the SELECT on the RHS */
    if( pTab->nCol!=pSub->pEList->nExpr ){
      sqlite3ErrorMsg(pParse, "expected %d columns for '%s' but got %d",
                      pTab->nCol, pTab->zName, pSub->pEList->nExpr);
      goto select_end;
    }

    isAggSub = (pSub->selFlags & SF_Aggregate)!=0;
    if( flattenSubquery(pParse, p, i, isAgg, isAggSub) ){
      /* This subquery can be absorbed into its parent. */
      if( isAggSub ){
        isAgg = 1;
        p->selFlags |= SF_Aggregate;
      }
................................................................................
    if( db->mallocFailed ) goto select_end;

    /* Processing for aggregates with GROUP BY is very different and
    ** much more complex than aggregates without a GROUP BY.
    */
    if( pGroupBy ){
      KeyInfo *pKeyInfo;  /* Keying information for the group by clause */
      int addr1;          /* A-vs-B comparision jump */
      int addrOutputRow;  /* Start of subroutine that outputs a result row */
      int regOutputRow;   /* Return address register for output subroutine */
      int addrSetAbort;   /* Set the abort flag and return */
      int addrTopOfLoop;  /* Top of the input loop */
      int addrSortingIdx; /* The OP_OpenEphemeral for the sorting index */
      int addrReset;      /* Subroutine for resetting the accumulator */
      int regReset;       /* Return address register for reset subroutine */
................................................................................
        }else{
          sAggInfo.directMode = 1;
          sqlite3ExprCode(pParse, pGroupBy->a[j].pExpr, iBMem+j);
        }
      }
      sqlite3VdbeAddOp4(v, OP_Compare, iAMem, iBMem, pGroupBy->nExpr,
                          (char*)sqlite3KeyInfoRef(pKeyInfo), P4_KEYINFO);
      addr1 = sqlite3VdbeCurrentAddr(v);
      sqlite3VdbeAddOp3(v, OP_Jump, addr1+1, 0, addr1+1); VdbeCoverage(v);

      /* Generate code that runs whenever the GROUP BY changes.
      ** Changes in the GROUP BY are detected by the previous code
      ** block.  If there were no changes, this block is skipped.
      **
      ** This code copies current group by terms in b0,b1,b2,...
      ** over to a0,a1,a2.  It then calls the output subroutine
................................................................................
      VdbeComment((v, "check abort flag"));
      sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset);
      VdbeComment((v, "reset accumulator"));

      /* Update the aggregate accumulators based on the content of
      ** the current row
      */
      sqlite3VdbeJumpHere(v, addr1);
      updateAccumulator(pParse, &sAggInfo);
      sqlite3VdbeAddOp2(v, OP_Integer, 1, iUseFlag);
      VdbeComment((v, "indicate data in accumulator"));

      /* End of the loop
      */
      if( groupBySort ){

Changes to src/shell.c.

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2615
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2621
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....
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3742
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3744

3745



3746
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3767


3768




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....
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3787

3788
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....
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4635
    sqlite3_free(zSql);
    fprintf(p->out, "%-20s %d\n", aQuery[i].zName, val);
  }
  sqlite3_free(zSchemaTab);
  return 0;
}


















/*
** If an input line begins with "." then invoke this routine to
** process that line.
**
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
................................................................................
    sqlite3_stmt *pStmt;
    char **azResult;
    int nRow, nAlloc;
    char *zSql = 0;
    int ii;
    open_db(p, 0);
    rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
    if( rc ) return rc;




    zSql = sqlite3_mprintf(
        "SELECT name FROM sqlite_master"
        " WHERE type IN ('table','view')"
        "   AND name NOT LIKE 'sqlite_%%'"
        "   AND name LIKE ?1");
    while( sqlite3_step(pStmt)==SQLITE_ROW ){
      const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1);
      if( zDbName==0 || strcmp(zDbName,"main")==0 ) continue;
      if( strcmp(zDbName,"temp")==0 ){
        zSql = sqlite3_mprintf(
                 "%z UNION ALL "
                 "SELECT 'temp.' || name FROM sqlite_temp_master"
                 " WHERE type IN ('table','view')"
................................................................................
                 "%z UNION ALL "
                 "SELECT '%q.' || name FROM \"%w\".sqlite_master"
                 " WHERE type IN ('table','view')"
                 "   AND name NOT LIKE 'sqlite_%%'"
                 "   AND name LIKE ?1", zSql, zDbName, zDbName);
      }
    }
    sqlite3_finalize(pStmt);

    zSql = sqlite3_mprintf("%z ORDER BY 1", zSql);
    rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);

    sqlite3_free(zSql);

    if( rc ) return rc;



    nRow = nAlloc = 0;
    azResult = 0;
    if( nArg>1 ){
      sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT);
    }else{
      sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC);
    }
    while( sqlite3_step(pStmt)==SQLITE_ROW ){
      if( nRow>=nAlloc ){
        char **azNew;
        int n2 = nAlloc*2 + 10;
        azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2);
        if( azNew==0 ){
          fprintf(stderr, "Error: out of memory\n");
          break;
        }
        nAlloc = n2;
        azResult = azNew;
      }
      azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
      if( azResult[nRow] ) nRow++;


    }


    sqlite3_finalize(pStmt);        




    if( nRow>0 ){
      int len, maxlen = 0;
      int i, j;
      int nPrintCol, nPrintRow;
      for(i=0; i<nRow; i++){
        len = strlen30(azResult[i]);
        if( len>maxlen ) maxlen = len;
      }
................................................................................
        for(j=i; j<nRow; j+=nPrintRow){
          char *zSp = j<nPrintRow ? "" : "  ";
          fprintf(p->out, "%s%-*s", zSp, maxlen, azResult[j] ? azResult[j]:"");
        }
        fprintf(p->out, "\n");
      }
    }

    for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
    sqlite3_free(azResult);
  }else

  if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
    static const struct {
       const char *zCtrlName;   /* Name of a test-control option */
................................................................................
#else
    fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
    return 1;
#endif
  }
  data.out = stdout;

#ifdef SQLITE_ENABLE_JSON1
  {
    extern int sqlite3_json_init(sqlite3*);
    sqlite3_auto_extension((void(*)(void))sqlite3_json_init);
  }
#endif

  /* Go ahead and open the database file if it already exists.  If the
  ** file does not exist, delay opening it.  This prevents empty database
  ** files from being created if a user mistypes the database name argument
  ** to the sqlite command-line tool.
  */
  if( access(data.zDbFilename, 0)==0 ){
    open_db(&data, 0);







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







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>
>
>
>





|







 







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>

>
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>













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>
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>







 







<
<
<
<
<
<
<







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2634
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2637
....
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....
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....
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4657
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4663
    sqlite3_free(zSql);
    fprintf(p->out, "%-20s %d\n", aQuery[i].zName, val);
  }
  sqlite3_free(zSchemaTab);
  return 0;
}

/*
** Print the current sqlite3_errmsg() value to stderr and return 1.
*/
static int shellDatabaseError(sqlite3 *db){
  const char *zErr = sqlite3_errmsg(db);
  fprintf(stderr, "Error: %s\n", zErr);
  return 1;
}

/*
** Print an out-of-memory message to stderr and return 1.
*/
static int shellNomemError(void){
  fprintf(stderr, "Error: out of memory\n");
  return 1;
}

/*
** If an input line begins with "." then invoke this routine to
** process that line.
**
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
................................................................................
    sqlite3_stmt *pStmt;
    char **azResult;
    int nRow, nAlloc;
    char *zSql = 0;
    int ii;
    open_db(p, 0);
    rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
    if( rc ) return shellDatabaseError(p->db);

    /* Create an SQL statement to query for the list of tables in the
    ** main and all attached databases where the table name matches the
    ** LIKE pattern bound to variable "?1". */
    zSql = sqlite3_mprintf(
        "SELECT name FROM sqlite_master"
        " WHERE type IN ('table','view')"
        "   AND name NOT LIKE 'sqlite_%%'"
        "   AND name LIKE ?1");
    while( zSql && sqlite3_step(pStmt)==SQLITE_ROW ){
      const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1);
      if( zDbName==0 || strcmp(zDbName,"main")==0 ) continue;
      if( strcmp(zDbName,"temp")==0 ){
        zSql = sqlite3_mprintf(
                 "%z UNION ALL "
                 "SELECT 'temp.' || name FROM sqlite_temp_master"
                 " WHERE type IN ('table','view')"
................................................................................
                 "%z UNION ALL "
                 "SELECT '%q.' || name FROM \"%w\".sqlite_master"
                 " WHERE type IN ('table','view')"
                 "   AND name NOT LIKE 'sqlite_%%'"
                 "   AND name LIKE ?1", zSql, zDbName, zDbName);
      }
    }
    rc = sqlite3_finalize(pStmt);
    if( zSql && rc==SQLITE_OK ){
      zSql = sqlite3_mprintf("%z ORDER BY 1", zSql);
      if( zSql ) rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
    }
    sqlite3_free(zSql);
    if( !zSql ) return shellNomemError();
    if( rc ) return shellDatabaseError(p->db);

    /* Run the SQL statement prepared by the above block. Store the results
    ** as an array of nul-terminated strings in azResult[].  */
    nRow = nAlloc = 0;
    azResult = 0;
    if( nArg>1 ){
      sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT);
    }else{
      sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC);
    }
    while( sqlite3_step(pStmt)==SQLITE_ROW ){
      if( nRow>=nAlloc ){
        char **azNew;
        int n2 = nAlloc*2 + 10;
        azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2);
        if( azNew==0 ){
          rc = shellNomemError();
          break;
        }
        nAlloc = n2;
        azResult = azNew;
      }
      azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
      if( 0==azResult[nRow] ){
        rc = shellNomemError();
        break;
      }
      nRow++;
    }
    if( sqlite3_finalize(pStmt)!=SQLITE_OK ){
      rc = shellDatabaseError(p->db);
    }

    /* Pretty-print the contents of array azResult[] to the output */
    if( rc==0 && nRow>0 ){
      int len, maxlen = 0;
      int i, j;
      int nPrintCol, nPrintRow;
      for(i=0; i<nRow; i++){
        len = strlen30(azResult[i]);
        if( len>maxlen ) maxlen = len;
      }
................................................................................
        for(j=i; j<nRow; j+=nPrintRow){
          char *zSp = j<nPrintRow ? "" : "  ";
          fprintf(p->out, "%s%-*s", zSp, maxlen, azResult[j] ? azResult[j]:"");
        }
        fprintf(p->out, "\n");
      }
    }

    for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
    sqlite3_free(azResult);
  }else

  if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
    static const struct {
       const char *zCtrlName;   /* Name of a test-control option */
................................................................................
#else
    fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
    return 1;
#endif
  }
  data.out = stdout;








  /* Go ahead and open the database file if it already exists.  If the
  ** file does not exist, delay opening it.  This prevents empty database
  ** files from being created if a user mistypes the database name argument
  ** to the sqlite command-line tool.
  */
  if( access(data.zDbFilename, 0)==0 ){
    open_db(&data, 0);

Changes to src/sqlite.h.in.

4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
....
5629
5630
5631
5632
5633
5634
5635















5636
5637
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5641
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5643



5644
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5646
5647
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....
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5670


5671
5672





5673
5674
5675
5676
5677
5678
5679
const void *sqlite3_value_text16(sqlite3_value*);
const void *sqlite3_value_text16le(sqlite3_value*);
const void *sqlite3_value_text16be(sqlite3_value*);
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Obtaining SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.
................................................................................
** strategy. A cost of N indicates that the cost of the strategy is similar
** to a linear scan of an SQLite table with N rows. A cost of log(N) 
** indicates that the expense of the operation is similar to that of a
** binary search on a unique indexed field of an SQLite table with N rows.
**
** ^The estimatedRows value is an estimate of the number of rows that
** will be returned by the strategy.















**
** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info
** structure for SQLite version 3.8.2. If a virtual table extension is
** used with an SQLite version earlier than 3.8.2, the results of attempting 
** to read or write the estimatedRows field are undefined (but are likely 
** to included crashing the application). The estimatedRows field should
** therefore only be used if [sqlite3_libversion_number()] returns a
** value greater than or equal to 3008002.



*/
struct sqlite3_index_info {
  /* Inputs */
  int nConstraint;           /* Number of entries in aConstraint */
  struct sqlite3_index_constraint {
     int iColumn;              /* Column on left-hand side of constraint */
     unsigned char op;         /* Constraint operator */
................................................................................
  int idxNum;                /* Number used to identify the index */
  char *idxStr;              /* String, possibly obtained from sqlite3_malloc */
  int needToFreeIdxStr;      /* Free idxStr using sqlite3_free() if true */
  int orderByConsumed;       /* True if output is already ordered */
  double estimatedCost;           /* Estimated cost of using this index */
  /* Fields below are only available in SQLite 3.8.2 and later */
  sqlite3_int64 estimatedRows;    /* Estimated number of rows returned */


};






/*
** CAPI3REF: Virtual Table Constraint Operator Codes
**
** These macros defined the allowed values for the
** [sqlite3_index_info].aConstraint[].op field.  Each value represents
** an operator that is part of a constraint term in the wHERE clause of
** a query that uses a [virtual table].







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







|
>
>
>







 







>
>


>
>
>
>
>







4356
4357
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4359
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4361
4362
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4364
4365
4366
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4368
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4370
....
5629
5630
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....
5682
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5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
const void *sqlite3_value_text16(sqlite3_value*);
const void *sqlite3_value_text16le(sqlite3_value*);
const void *sqlite3_value_text16be(sqlite3_value*);
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Finding The Subtype Of SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.
................................................................................
** strategy. A cost of N indicates that the cost of the strategy is similar
** to a linear scan of an SQLite table with N rows. A cost of log(N) 
** indicates that the expense of the operation is similar to that of a
** binary search on a unique indexed field of an SQLite table with N rows.
**
** ^The estimatedRows value is an estimate of the number of rows that
** will be returned by the strategy.
**
** The xBestIndex method may optionally populate the idxFlags field with a 
** mask of SQLITE_INDEX_SCAN_* flags. Currently there is only one such flag -
** SQLITE_INDEX_SCAN_UNIQUE. If the xBestIndex method sets this flag, SQLite
** assumes that the strategy may visit at most one row. 
**
** Additionally, if xBestIndex sets the SQLITE_INDEX_SCAN_UNIQUE flag, then
** SQLite also assumes that if a call to the xUpdate() method is made as
** part of the same statement to delete or update a virtual table row and the
** implementation returns SQLITE_CONSTRAINT, then there is no need to rollback
** any database changes. In other words, if the xUpdate() returns
** SQLITE_CONSTRAINT, the database contents must be exactly as they were
** before xUpdate was called. By contrast, if SQLITE_INDEX_SCAN_UNIQUE is not
** set and xUpdate returns SQLITE_CONSTRAINT, any database changes made by
** the xUpdate method are automatically rolled back by SQLite.
**
** IMPORTANT: The estimatedRows field was added to the sqlite3_index_info
** structure for SQLite version 3.8.2. If a virtual table extension is
** used with an SQLite version earlier than 3.8.2, the results of attempting 
** to read or write the estimatedRows field are undefined (but are likely 
** to included crashing the application). The estimatedRows field should
** therefore only be used if [sqlite3_libversion_number()] returns a
** value greater than or equal to 3008002. Similarly, the idxFlags field
** was added for version 3.9.0. It may therefore only be used if
** sqlite3_libversion_number() returns a value greater than or equal to
** 3009000.
*/
struct sqlite3_index_info {
  /* Inputs */
  int nConstraint;           /* Number of entries in aConstraint */
  struct sqlite3_index_constraint {
     int iColumn;              /* Column on left-hand side of constraint */
     unsigned char op;         /* Constraint operator */
................................................................................
  int idxNum;                /* Number used to identify the index */
  char *idxStr;              /* String, possibly obtained from sqlite3_malloc */
  int needToFreeIdxStr;      /* Free idxStr using sqlite3_free() if true */
  int orderByConsumed;       /* True if output is already ordered */
  double estimatedCost;           /* Estimated cost of using this index */
  /* Fields below are only available in SQLite 3.8.2 and later */
  sqlite3_int64 estimatedRows;    /* Estimated number of rows returned */
  /* Fields below are only available in SQLite 3.9.0 and later */
  int idxFlags;              /* Mask of SQLITE_INDEX_SCAN_* flags */
};

/*
** CAPI3REF: Virtual Table Scan Flags
*/
#define SQLITE_INDEX_SCAN_UNIQUE      1     /* Scan visits at most 1 row */

/*
** CAPI3REF: Virtual Table Constraint Operator Codes
**
** These macros defined the allowed values for the
** [sqlite3_index_info].aConstraint[].op field.  Each value represents
** an operator that is part of a constraint term in the wHERE clause of
** a query that uses a [virtual table].

Changes to src/sqlite3ext.h.

268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
...
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
                         void(*)(void*), unsigned char);
  int (*strglob)(const char*,const char*);
  /* Version 3.8.11 and later */
  sqlite3_value *(*value_dup)(const sqlite3_value*);
  void (*value_free)(sqlite3_value*);
  int (*result_zeroblob64)(sqlite3_context*,sqlite3_uint64);
  int (*bind_zeroblob64)(sqlite3_stmt*, int, sqlite3_uint64);
  /* Version 3.8.12 and later */
  unsigned int (*value_subtype)(sqlite3_value*);
  void (*result_subtype)(sqlite3_context*,unsigned int);
};

/*
** The following macros redefine the API routines so that they are
** redirected through the global sqlite3_api structure.
................................................................................
#define sqlite3_result_text64          sqlite3_api->result_text64
#define sqlite3_strglob                sqlite3_api->strglob
/* Version 3.8.11 and later */
#define sqlite3_value_dup              sqlite3_api->value_dup
#define sqlite3_value_free             sqlite3_api->value_free
#define sqlite3_result_zeroblob64      sqlite3_api->result_zeroblob64
#define sqlite3_bind_zeroblob64        sqlite3_api->bind_zeroblob64
/* Version 3.8.12 and later */
#define sqlite3_value_subtype          sqlite3_api->value_subtype
#define sqlite3_result_subtype         sqlite3_api->result_subtype
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */







|







 







|







268
269
270
271
272
273
274
275
276
277
278
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282
...
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
                         void(*)(void*), unsigned char);
  int (*strglob)(const char*,const char*);
  /* Version 3.8.11 and later */
  sqlite3_value *(*value_dup)(const sqlite3_value*);
  void (*value_free)(sqlite3_value*);
  int (*result_zeroblob64)(sqlite3_context*,sqlite3_uint64);
  int (*bind_zeroblob64)(sqlite3_stmt*, int, sqlite3_uint64);
  /* Version 3.9.0 and later */
  unsigned int (*value_subtype)(sqlite3_value*);
  void (*result_subtype)(sqlite3_context*,unsigned int);
};

/*
** The following macros redefine the API routines so that they are
** redirected through the global sqlite3_api structure.
................................................................................
#define sqlite3_result_text64          sqlite3_api->result_text64
#define sqlite3_strglob                sqlite3_api->strglob
/* Version 3.8.11 and later */
#define sqlite3_value_dup              sqlite3_api->value_dup
#define sqlite3_value_free             sqlite3_api->value_free
#define sqlite3_result_zeroblob64      sqlite3_api->result_zeroblob64
#define sqlite3_bind_zeroblob64        sqlite3_api->bind_zeroblob64
/* Version 3.9.0 and later */
#define sqlite3_value_subtype          sqlite3_api->value_subtype
#define sqlite3_result_subtype         sqlite3_api->result_subtype
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */

Changes to src/sqliteInt.h.

192
193
194
195
196
197
198

199
200
201
202
203
204
205
....
1914
1915
1916
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1918
1919
1920






1921
1922
1923
1924
1925
1926
1927
....
3506
3507
3508
3509
3510
3511
3512

3513
3514
3515
3516
3517
3518
3519
3520
3521

3522
3523
3524
3525
3526
3527
3528
*/
#if !defined(SQLITE_DISABLE_INTRINSIC)
#  if defined(_MSC_VER) && _MSC_VER>=1300
#    if !defined(_WIN32_WCE)
#      include <intrin.h>
#      pragma intrinsic(_byteswap_ushort)
#      pragma intrinsic(_byteswap_ulong)

#    else
#      include <cmnintrin.h>
#    endif
#  endif
#endif

/*
................................................................................

/* Return true if index X is a PRIMARY KEY index */
#define IsPrimaryKeyIndex(X)  ((X)->idxType==SQLITE_IDXTYPE_PRIMARYKEY)

/* Return true if index X is a UNIQUE index */
#define IsUniqueIndex(X)      ((X)->onError!=OE_None)







/*
** Each sample stored in the sqlite_stat3 table is represented in memory 
** using a structure of this type.  See documentation at the top of the
** analyze.c source file for additional information.
*/
struct IndexSample {
  void *p;          /* Pointer to sampled record */
................................................................................
                                        Select*,u8);
  TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, u8);
  TriggerStep *sqlite3TriggerDeleteStep(sqlite3*,Token*, Expr*);
  void sqlite3DeleteTrigger(sqlite3*, Trigger*);
  void sqlite3UnlinkAndDeleteTrigger(sqlite3*,int,const char*);
  u32 sqlite3TriggerColmask(Parse*,Trigger*,ExprList*,int,int,Table*,int);
# define sqlite3ParseToplevel(p) ((p)->pToplevel ? (p)->pToplevel : (p))

#else
# define sqlite3TriggersExist(B,C,D,E,F) 0
# define sqlite3DeleteTrigger(A,B)
# define sqlite3DropTriggerPtr(A,B)
# define sqlite3UnlinkAndDeleteTrigger(A,B,C)
# define sqlite3CodeRowTrigger(A,B,C,D,E,F,G,H,I)
# define sqlite3CodeRowTriggerDirect(A,B,C,D,E,F)
# define sqlite3TriggerList(X, Y) 0
# define sqlite3ParseToplevel(p) p

# define sqlite3TriggerColmask(A,B,C,D,E,F,G) 0
#endif

int sqlite3JoinType(Parse*, Token*, Token*, Token*);
void sqlite3CreateForeignKey(Parse*, ExprList*, Token*, ExprList*, int);
void sqlite3DeferForeignKey(Parse*, int);
#ifndef SQLITE_OMIT_AUTHORIZATION







>







 







>
>
>
>
>
>







 







>









>







192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
....
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
....
3513
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3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
*/
#if !defined(SQLITE_DISABLE_INTRINSIC)
#  if defined(_MSC_VER) && _MSC_VER>=1300
#    if !defined(_WIN32_WCE)
#      include <intrin.h>
#      pragma intrinsic(_byteswap_ushort)
#      pragma intrinsic(_byteswap_ulong)
#      pragma intrinsic(_ReadWriteBarrier)
#    else
#      include <cmnintrin.h>
#    endif
#  endif
#endif

/*
................................................................................

/* Return true if index X is a PRIMARY KEY index */
#define IsPrimaryKeyIndex(X)  ((X)->idxType==SQLITE_IDXTYPE_PRIMARYKEY)

/* Return true if index X is a UNIQUE index */
#define IsUniqueIndex(X)      ((X)->onError!=OE_None)

/* The Index.aiColumn[] values are normally positive integer.  But
** there are some negative values that have special meaning:
*/
#define XN_ROWID     (-1)     /* Indexed column is the rowid */
#define XN_EXPR      (-2)     /* Indexed column is an expression */

/*
** Each sample stored in the sqlite_stat3 table is represented in memory 
** using a structure of this type.  See documentation at the top of the
** analyze.c source file for additional information.
*/
struct IndexSample {
  void *p;          /* Pointer to sampled record */
................................................................................
                                        Select*,u8);
  TriggerStep *sqlite3TriggerUpdateStep(sqlite3*,Token*,ExprList*, Expr*, u8);
  TriggerStep *sqlite3TriggerDeleteStep(sqlite3*,Token*, Expr*);
  void sqlite3DeleteTrigger(sqlite3*, Trigger*);
  void sqlite3UnlinkAndDeleteTrigger(sqlite3*,int,const char*);
  u32 sqlite3TriggerColmask(Parse*,Trigger*,ExprList*,int,int,Table*,int);
# define sqlite3ParseToplevel(p) ((p)->pToplevel ? (p)->pToplevel : (p))
# define sqlite3IsToplevel(p) ((p)->pToplevel==0)
#else
# define sqlite3TriggersExist(B,C,D,E,F) 0
# define sqlite3DeleteTrigger(A,B)
# define sqlite3DropTriggerPtr(A,B)
# define sqlite3UnlinkAndDeleteTrigger(A,B,C)
# define sqlite3CodeRowTrigger(A,B,C,D,E,F,G,H,I)
# define sqlite3CodeRowTriggerDirect(A,B,C,D,E,F)
# define sqlite3TriggerList(X, Y) 0
# define sqlite3ParseToplevel(p) p
# define sqlite3IsToplevel(p) 1
# define sqlite3TriggerColmask(A,B,C,D,E,F,G) 0
#endif

int sqlite3JoinType(Parse*, Token*, Token*, Token*);
void sqlite3CreateForeignKey(Parse*, ExprList*, Token*, ExprList*, int);
void sqlite3DeferForeignKey(Parse*, int);
#ifndef SQLITE_OMIT_AUTHORIZATION

Changes to src/test1.c.

6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
6409
....
6422
6423
6424
6425
6426
6427
6428

6429



6430
6431
6432
6433
6434
6435
6436
){
  extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_json_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_fts5_init(sqlite3*,char**,const sqlite3_api_routines*);
  static const struct {
    const char *zExtName;
    int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
  } aExtension[] = {
    { "amatch",                sqlite3_amatch_init               },
    { "closure",               sqlite3_closure_init              },
    { "eval",                  sqlite3_eval_init                 },
#ifdef SQLITE_ENABLE_FTS5
    { "fts5",                  sqlite3_fts5_init                 },
#endif
    { "fileio",                sqlite3_fileio_init               },
    { "fuzzer",                sqlite3_fuzzer_init               },
    { "ieee754",               sqlite3_ieee_init                 },
    { "json",                  sqlite3_json_init                 },
    { "nextchar",              sqlite3_nextchar_init             },
    { "percentile",            sqlite3_percentile_init           },
    { "regexp",                sqlite3_regexp_init               },
    { "series",                sqlite3_series_init               },
    { "spellfix",              sqlite3_spellfix_init             },
    { "totype",                sqlite3_totype_init               },
    { "wholenumber",           sqlite3_wholenumber_init          },
................................................................................
    for(i=0; i<ArraySize(aExtension); i++){
      if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
    }
    if( i>=ArraySize(aExtension) ){
      Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
      return TCL_ERROR;
    }

    rc = aExtension[i].pInit(db, &zErrMsg, 0);



    if( rc!=SQLITE_OK || zErrMsg ){
      Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
                       (char*)0);
      sqlite3_free(zErrMsg);
      return TCL_ERROR;
    }
  }







<







<







<
<
<



<







 







>
|
>
>
>







6373
6374
6375
6376
6377
6378
6379

6380
6381
6382
6383
6384
6385
6386

6387
6388
6389
6390
6391
6392
6393



6394
6395
6396

6397
6398
6399
6400
6401
6402
6403
....
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
6430
6431
6432
6433
6434
){
  extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_eval_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);

  extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_series_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
  extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);

  static const struct {
    const char *zExtName;
    int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
  } aExtension[] = {
    { "amatch",                sqlite3_amatch_init               },
    { "closure",               sqlite3_closure_init              },
    { "eval",                  sqlite3_eval_init                 },



    { "fileio",                sqlite3_fileio_init               },
    { "fuzzer",                sqlite3_fuzzer_init               },
    { "ieee754",               sqlite3_ieee_init                 },

    { "nextchar",              sqlite3_nextchar_init             },
    { "percentile",            sqlite3_percentile_init           },
    { "regexp",                sqlite3_regexp_init               },
    { "series",                sqlite3_series_init               },
    { "spellfix",              sqlite3_spellfix_init             },
    { "totype",                sqlite3_totype_init               },
    { "wholenumber",           sqlite3_wholenumber_init          },
................................................................................
    for(i=0; i<ArraySize(aExtension); i++){
      if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
    }
    if( i>=ArraySize(aExtension) ){
      Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
      return TCL_ERROR;
    }
    if( aExtension[i].pInit ){
      rc = aExtension[i].pInit(db, &zErrMsg, 0);
    }else{
      rc = SQLITE_OK;
    }
    if( rc!=SQLITE_OK || zErrMsg ){
      Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
                       (char*)0);
      sqlite3_free(zErrMsg);
      return TCL_ERROR;
    }
  }

Changes to src/test_config.c.

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#endif

#ifdef SQLITE_ENABLE_ATOMIC_WRITE
  Tcl_SetVar2(interp, "sqlite_options", "atomicwrite", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "atomicwrite", "0", TCL_GLOBAL_ONLY);
#endif







#ifdef SQLITE_OMIT_ATTACH
  Tcl_SetVar2(interp, "sqlite_options", "attach", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "attach", "1", TCL_GLOBAL_ONLY);
#endif








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#endif

#ifdef SQLITE_ENABLE_ATOMIC_WRITE
  Tcl_SetVar2(interp, "sqlite_options", "atomicwrite", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "atomicwrite", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_ENABLE_JSON1
  Tcl_SetVar2(interp, "sqlite_options", "json1", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "json1", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_ATTACH
  Tcl_SetVar2(interp, "sqlite_options", "attach", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "attach", "1", TCL_GLOBAL_ONLY);
#endif

Changes to src/threads.c.

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  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  memset(p, 0, sizeof(*p));
  p->xTask = xTask;
  p->pIn = pIn;




  if( sqlite3FaultSim(200) ){
    rc = 1;
  }else{    
    rc = pthread_create(&p->tid, 0, xTask, pIn);
  }
  if( rc ){
    p->done = 1;
................................................................................
  SQLiteThread *p;

  assert( ppThread!=0 );
  assert( xTask!=0 );
  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;





  if( sqlite3GlobalConfig.bCoreMutex==0 ){
    memset(p, 0, sizeof(*p));
  }else{
    p->xTask = xTask;
    p->pIn = pIn;
    p->tid = (void*)_beginthreadex(0, 0, sqlite3ThreadProc, p, 0, &p->id);
    if( p->tid==0 ){
      memset(p, 0, sizeof(*p));
................................................................................
int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
  DWORD rc;
  BOOL bRc;

  assert( ppOut!=0 );
  if( NEVER(p==0) ) return SQLITE_NOMEM;
  if( p->xTask==0 ){
    assert( p->id==GetCurrentThreadId() );
    rc = WAIT_OBJECT_0;
    assert( p->tid==0 );
  }else{
    assert( p->id!=0 && p->id!=GetCurrentThreadId() );
    rc = sqlite3Win32Wait((HANDLE)p->tid);
    assert( rc!=WAIT_IO_COMPLETION );
    bRc = CloseHandle((HANDLE)p->tid);







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  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  memset(p, 0, sizeof(*p));
  p->xTask = xTask;
  p->pIn = pIn;
  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
  ** function that returns SQLITE_ERROR when passed the argument 200, that
  ** forces worker threads to run sequentially and deterministically 
  ** for testing purposes. */
  if( sqlite3FaultSim(200) ){
    rc = 1;
  }else{    
    rc = pthread_create(&p->tid, 0, xTask, pIn);
  }
  if( rc ){
    p->done = 1;
................................................................................
  SQLiteThread *p;

  assert( ppThread!=0 );
  assert( xTask!=0 );
  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
  ** function that returns SQLITE_ERROR when passed the argument 200, that
  ** forces worker threads to run sequentially and deterministically 
  ** (via the sqlite3FaultSim() term of the conditional) for testing
  ** purposes. */
  if( sqlite3GlobalConfig.bCoreMutex==0 || sqlite3FaultSim(200) ){
    memset(p, 0, sizeof(*p));
  }else{
    p->xTask = xTask;
    p->pIn = pIn;
    p->tid = (void*)_beginthreadex(0, 0, sqlite3ThreadProc, p, 0, &p->id);
    if( p->tid==0 ){
      memset(p, 0, sizeof(*p));
................................................................................
int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
  DWORD rc;
  BOOL bRc;

  assert( ppOut!=0 );
  if( NEVER(p==0) ) return SQLITE_NOMEM;
  if( p->xTask==0 ){
    /* assert( p->id==GetCurrentThreadId() ); */
    rc = WAIT_OBJECT_0;
    assert( p->tid==0 );
  }else{
    assert( p->id!=0 && p->id!=GetCurrentThreadId() );
    rc = sqlite3Win32Wait((HANDLE)p->tid);
    assert( rc!=WAIT_IO_COMPLETION );
    bRc = CloseHandle((HANDLE)p->tid);

Changes to src/update.c.

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  int newmask;           /* Mask of NEW.* columns accessed by BEFORE triggers */
  int iEph = 0;          /* Ephemeral table holding all primary key values */
  int nKey = 0;          /* Number of elements in regKey for WITHOUT ROWID */
  int aiCurOnePass[2];   /* The write cursors opened by WHERE_ONEPASS */

  /* Register Allocations */
  int regRowCount = 0;   /* A count of rows changed */
  int regOldRowid;       /* The old rowid */
  int regNewRowid;       /* The new rowid */
  int regNew;            /* Content of the NEW.* table in triggers */
  int regOld = 0;        /* Content of OLD.* table in triggers */
  int regRowSet = 0;     /* Rowset of rows to be updated */
  int regKey = 0;        /* composite PRIMARY KEY value */

  memset(&sContext, 0, sizeof(sContext));
  db = pParse->db;
  if( pParse->nErr || db->mallocFailed ){
................................................................................

  /* Begin generating code. */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ) goto update_cleanup;
  if( pParse->nested==0 ) sqlite3VdbeCountChanges(v);
  sqlite3BeginWriteOperation(pParse, 1, iDb);

#ifndef SQLITE_OMIT_VIRTUALTABLE
  /* Virtual tables must be handled separately */
  if( IsVirtual(pTab) ){
    updateVirtualTable(pParse, pTabList, pTab, pChanges, pRowidExpr, aXRef,
                       pWhere, onError);
    pWhere = 0;
    pTabList = 0;
    goto update_cleanup;
  }
#endif

  /* Allocate required registers. */

  regRowSet = ++pParse->nMem;
  regOldRowid = regNewRowid = ++pParse->nMem;
  if( chngPk || pTrigger || hasFK ){
    regOld = pParse->nMem + 1;
    pParse->nMem += pTab->nCol;
  }
  if( chngKey || pTrigger || hasFK ){
    regNewRowid = ++pParse->nMem;
  }
  regNew = pParse->nMem + 1;
  pParse->nMem += pTab->nCol;


  /* Start the view context. */
  if( isView ){
    sqlite3AuthContextPush(pParse, &sContext, pTab->zName);
  }

  /* If we are trying to update a view, realize that view into
................................................................................

  /* Resolve the column names in all the expressions in the
  ** WHERE clause.
  */
  if( sqlite3ResolveExprNames(&sNC, pWhere) ){
    goto update_cleanup;
  }










  /* Begin the database scan
  */
  if( HasRowid(pTab) ){
    sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);
    pWInfo = sqlite3WhereBegin(
        pParse, pTabList, pWhere, 0, 0, WHERE_ONEPASS_DESIRED, iIdxCur
................................................................................
    addrOpen = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iEph, nPk);
    sqlite3VdbeSetP4KeyInfo(pParse, pPk);
    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, 
                               WHERE_ONEPASS_DESIRED, iIdxCur);
    if( pWInfo==0 ) goto update_cleanup;
    okOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass);
    for(i=0; i<nPk; i++){
      assert( pPk->aiColumn[i]>=(-1) );
      sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, pPk->aiColumn[i],
                                      iPk+i);
    }
    if( okOnePass ){
      sqlite3VdbeChangeToNoop(v, addrOpen);
      nKey = nPk;
      regKey = iPk;
................................................................................
  ** the database after the BEFORE triggers are fired anyway (as the trigger 
  ** may have modified them). So not loading those that are not going to
  ** be used eliminates some redundant opcodes.
  */
  newmask = sqlite3TriggerColmask(
      pParse, pTrigger, pChanges, 1, TRIGGER_BEFORE, pTab, onError
  );
  /*sqlite3VdbeAddOp3(v, OP_Null, 0, regNew, regNew+pTab->nCol-1);*/
  for(i=0; i<pTab->nCol; i++){
    if( i==pTab->iPKey ){
      sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i);
    }else{
      j = aXRef[i];
      if( j>=0 ){
        sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regNew+i);
................................................................................
      if( aXRef[i]<0 && i!=pTab->iPKey ){
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i);
      }
    }
  }

  if( !isView ){
    int j1 = 0;           /* Address of jump instruction */
    int bReplace = 0;     /* True if REPLACE conflict resolution might happen */

    /* Do constraint checks. */
    assert( regOldRowid>0 );
    sqlite3GenerateConstraintChecks(pParse, pTab, aRegIdx, iDataCur, iIdxCur,
        regNewRowid, regOldRowid, chngKey, onError, labelContinue, &bReplace);

................................................................................
    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey);
    }

    /* Delete the index entries associated with the current record.  */
    if( bReplace || chngKey ){
      if( pPk ){
        j1 = sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, 0, regKey, nKey);
      }else{
        j1 = sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, 0, regOldRowid);
      }
      VdbeCoverageNeverTaken(v);
    }
    sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur, aRegIdx, -1);
  
    /* If changing the record number, delete the old record.  */
    if( hasFK || chngKey || pPk!=0 ){
      sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, 0);
    }
    if( bReplace || chngKey ){
      sqlite3VdbeJumpHere(v, j1);
    }

    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey);
    }
  
    /* Insert the new index entries and the new record. */
................................................................................
 #undef pTrigger
#endif

#ifndef SQLITE_OMIT_VIRTUALTABLE
/*
** Generate code for an UPDATE of a virtual table.
**




** The strategy is that we create an ephemeral table that contains
** for each row to be changed:
**
**   (A)  The original rowid of that row.
**   (B)  The revised rowid for the row. (note1)
**   (C)  The content of every column in the row.
**
** Then we loop over this ephemeral table and for each row in
** the ephemeral table call VUpdate.
**
** When finished, drop the ephemeral table.
**


** (note1) Actually, if we know in advance that (A) is always the same
** as (B) we only store (A), then duplicate (A) when pulling
** it out of the ephemeral table before calling VUpdate.
*/
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */
  SrcList *pSrc,       /* The virtual table to be modified */
  Table *pTab,         /* The virtual table */
  ExprList *pChanges,  /* The columns to change in the UPDATE statement */
  Expr *pRowid,        /* Expression used to recompute the rowid */
  int *aXRef,          /* Mapping from columns of pTab to entries in pChanges */
  Expr *pWhere,        /* WHERE clause of the UPDATE statement */
  int onError          /* ON CONFLICT strategy */
){
  Vdbe *v = pParse->pVdbe;  /* Virtual machine under construction */
  ExprList *pEList = 0;     /* The result set of the SELECT statement */
  Select *pSelect = 0;      /* The SELECT statement */
  Expr *pExpr;              /* Temporary expression */
  int ephemTab;             /* Table holding the result of the SELECT */
  int i;                    /* Loop counter */
  int addr;                 /* Address of top of loop */
  int iReg;                 /* First register in set passed to OP_VUpdate */
  sqlite3 *db = pParse->db; /* Database connection */
  const char *pVTab = (const char*)sqlite3GetVTable(db, pTab);





  SelectDest dest;




  /* Construct the SELECT statement that will find the new values for
  ** all updated rows. 
  */
  pEList = sqlite3ExprListAppend(pParse, 0, sqlite3Expr(db, TK_ID, "_rowid_"));
















  if( pRowid ){
    pEList = sqlite3ExprListAppend(pParse, pEList,
                                   sqlite3ExprDup(db, pRowid, 0));



  }
  assert( pTab->iPKey<0 );
  for(i=0; i<pTab->nCol; i++){
    if( aXRef[i]>=0 ){
      pExpr = sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0);
    }else{
      pExpr = sqlite3Expr(db, TK_ID, pTab->aCol[i].zName);

    }
    pEList = sqlite3ExprListAppend(pParse, pEList, pExpr);
  }
  pSelect = sqlite3SelectNew(pParse, pEList, pSrc, pWhere, 0, 0, 0, 0, 0, 0);
  
  /* Create the ephemeral table into which the update results will
  ** be stored.
  */
  assert( v );
  ephemTab = pParse->nTab++;


  /* fill the ephemeral table 
  */
  sqlite3SelectDestInit(&dest, SRT_EphemTab, ephemTab);
  sqlite3Select(pParse, pSelect, &dest);










  /* Generate code to scan the ephemeral table and call VUpdate. */
  iReg = ++pParse->nMem;
  pParse->nMem += pTab->nCol+1;

  addr = sqlite3VdbeAddOp2(v, OP_Rewind, ephemTab, 0); VdbeCoverage(v);
  sqlite3VdbeAddOp3(v, OP_Column,  ephemTab, 0, iReg);
  sqlite3VdbeAddOp3(v, OP_Column, ephemTab, (pRowid?1:0), iReg+1);












  for(i=0; i<pTab->nCol; i++){
    sqlite3VdbeAddOp3(v, OP_Column, ephemTab, i+1+(pRowid!=0), iReg+2+i);
  }

  sqlite3VtabMakeWritable(pParse, pTab);
  sqlite3VdbeAddOp4(v, OP_VUpdate, 0, pTab->nCol+2, iReg, pVTab, P4_VTAB);
  sqlite3VdbeChangeP5(v, onError==OE_Default ? OE_Abort : onError);
  sqlite3MayAbort(pParse);




  sqlite3VdbeAddOp2(v, OP_Next, ephemTab, addr+1); VdbeCoverage(v);
  sqlite3VdbeJumpHere(v, addr);
  sqlite3VdbeAddOp2(v, OP_Close, ephemTab, 0);



  /* Cleanup */
  sqlite3SelectDelete(db, pSelect);  
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */







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756
757

758

759





760
761




762
763
764
765
766
767
768
769
770
771
772


773
774
775

776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805


806
807
  int newmask;           /* Mask of NEW.* columns accessed by BEFORE triggers */
  int iEph = 0;          /* Ephemeral table holding all primary key values */
  int nKey = 0;          /* Number of elements in regKey for WITHOUT ROWID */
  int aiCurOnePass[2];   /* The write cursors opened by WHERE_ONEPASS */

  /* Register Allocations */
  int regRowCount = 0;   /* A count of rows changed */
  int regOldRowid = 0;   /* The old rowid */
  int regNewRowid = 0;   /* The new rowid */
  int regNew = 0;        /* Content of the NEW.* table in triggers */
  int regOld = 0;        /* Content of OLD.* table in triggers */
  int regRowSet = 0;     /* Rowset of rows to be updated */
  int regKey = 0;        /* composite PRIMARY KEY value */

  memset(&sContext, 0, sizeof(sContext));
  db = pParse->db;
  if( pParse->nErr || db->mallocFailed ){
................................................................................

  /* Begin generating code. */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ) goto update_cleanup;
  if( pParse->nested==0 ) sqlite3VdbeCountChanges(v);
  sqlite3BeginWriteOperation(pParse, 1, iDb);












  /* Allocate required registers. */
  if( !IsVirtual(pTab) ){
    regRowSet = ++pParse->nMem;
    regOldRowid = regNewRowid = ++pParse->nMem;
    if( chngPk || pTrigger || hasFK ){
      regOld = pParse->nMem + 1;
      pParse->nMem += pTab->nCol;
    }
    if( chngKey || pTrigger || hasFK ){
      regNewRowid = ++pParse->nMem;
    }
    regNew = pParse->nMem + 1;
    pParse->nMem += pTab->nCol;
  }

  /* Start the view context. */
  if( isView ){
    sqlite3AuthContextPush(pParse, &sContext, pTab->zName);
  }

  /* If we are trying to update a view, realize that view into
................................................................................

  /* Resolve the column names in all the expressions in the
  ** WHERE clause.
  */
  if( sqlite3ResolveExprNames(&sNC, pWhere) ){
    goto update_cleanup;
  }

#ifndef SQLITE_OMIT_VIRTUALTABLE
  /* Virtual tables must be handled separately */
  if( IsVirtual(pTab) ){
    updateVirtualTable(pParse, pTabList, pTab, pChanges, pRowidExpr, aXRef,
                       pWhere, onError);
    goto update_cleanup;
  }
#endif

  /* Begin the database scan
  */
  if( HasRowid(pTab) ){
    sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);
    pWInfo = sqlite3WhereBegin(
        pParse, pTabList, pWhere, 0, 0, WHERE_ONEPASS_DESIRED, iIdxCur
................................................................................
    addrOpen = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, iEph, nPk);
    sqlite3VdbeSetP4KeyInfo(pParse, pPk);
    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, 0, 0, 
                               WHERE_ONEPASS_DESIRED, iIdxCur);
    if( pWInfo==0 ) goto update_cleanup;
    okOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass);
    for(i=0; i<nPk; i++){
      assert( pPk->aiColumn[i]>=0 );
      sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, pPk->aiColumn[i],
                                      iPk+i);
    }
    if( okOnePass ){
      sqlite3VdbeChangeToNoop(v, addrOpen);
      nKey = nPk;
      regKey = iPk;
................................................................................
  ** the database after the BEFORE triggers are fired anyway (as the trigger 
  ** may have modified them). So not loading those that are not going to
  ** be used eliminates some redundant opcodes.
  */
  newmask = sqlite3TriggerColmask(
      pParse, pTrigger, pChanges, 1, TRIGGER_BEFORE, pTab, onError
  );

  for(i=0; i<pTab->nCol; i++){
    if( i==pTab->iPKey ){
      sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i);
    }else{
      j = aXRef[i];
      if( j>=0 ){
        sqlite3ExprCode(pParse, pChanges->a[j].pExpr, regNew+i);
................................................................................
      if( aXRef[i]<0 && i!=pTab->iPKey ){
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i);
      }
    }
  }

  if( !isView ){
    int addr1 = 0;        /* Address of jump instruction */
    int bReplace = 0;     /* True if REPLACE conflict resolution might happen */

    /* Do constraint checks. */
    assert( regOldRowid>0 );
    sqlite3GenerateConstraintChecks(pParse, pTab, aRegIdx, iDataCur, iIdxCur,
        regNewRowid, regOldRowid, chngKey, onError, labelContinue, &bReplace);

................................................................................
    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey);
    }

    /* Delete the index entries associated with the current record.  */
    if( bReplace || chngKey ){
      if( pPk ){
        addr1 = sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, 0, regKey, nKey);
      }else{
        addr1 = sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, 0, regOldRowid);
      }
      VdbeCoverageNeverTaken(v);
    }
    sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur, aRegIdx, -1);
  
    /* If changing the record number, delete the old record.  */
    if( hasFK || chngKey || pPk!=0 ){
      sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, 0);
    }
    if( bReplace || chngKey ){
      sqlite3VdbeJumpHere(v, addr1);
    }

    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey);
    }
  
    /* Insert the new index entries and the new record. */
................................................................................
 #undef pTrigger
#endif

#ifndef SQLITE_OMIT_VIRTUALTABLE
/*
** Generate code for an UPDATE of a virtual table.
**
** There are two possible strategies - the default and the special 
** "onepass" strategy. Onepass is only used if the virtual table 
** implementation indicates that pWhere may match at most one row.
**
** The default strategy is to create an ephemeral table that contains
** for each row to be changed:
**
**   (A)  The original rowid of that row.
**   (B)  The revised rowid for the row.
**   (C)  The content of every column in the row.
**
** Then loop through the contents of this ephemeral table executing a


** VUpdate for each row. When finished, drop the ephemeral table.
**
** The "onepass" strategy does not use an ephemeral table. Instead, it
** stores the same values (A, B and C above) in a register array and
** makes a single invocation of VUpdate.


*/
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */
  SrcList *pSrc,       /* The virtual table to be modified */
  Table *pTab,         /* The virtual table */
  ExprList *pChanges,  /* The columns to change in the UPDATE statement */
  Expr *pRowid,        /* Expression used to recompute the rowid */
  int *aXRef,          /* Mapping from columns of pTab to entries in pChanges */
  Expr *pWhere,        /* WHERE clause of the UPDATE statement */
  int onError          /* ON CONFLICT strategy */
){
  Vdbe *v = pParse->pVdbe;  /* Virtual machine under construction */



  int ephemTab;             /* Table holding the result of the SELECT */
  int i;                    /* Loop counter */


  sqlite3 *db = pParse->db; /* Database connection */
  const char *pVTab = (const char*)sqlite3GetVTable(db, pTab);
  WhereInfo *pWInfo;
  int nArg = 2 + pTab->nCol;      /* Number of arguments to VUpdate */
  int regArg;                     /* First register in VUpdate arg array */
  int regRec;                     /* Register in which to assemble record */
  int regRowid;                   /* Register for ephem table rowid */
  int iCsr = pSrc->a[0].iCursor;  /* Cursor used for virtual table scan */
  int aDummy[2];                  /* Unused arg for sqlite3WhereOkOnePass() */
  int bOnePass;                   /* True to use onepass strategy */
  int addr;                       /* Address of OP_OpenEphemeral */




  /* Allocate nArg registers to martial the arguments to VUpdate. Then
  ** create and open the ephemeral table in which the records created from
  ** these arguments will be temporarily stored. */
  assert( v );
  ephemTab = pParse->nTab++;
  addr= sqlite3VdbeAddOp2(v, OP_OpenEphemeral, ephemTab, nArg);
  regArg = pParse->nMem + 1;
  pParse->nMem += nArg;
  regRec = ++pParse->nMem;
  regRowid = ++pParse->nMem;

  /* Start scanning the virtual table */
  pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0,0,WHERE_ONEPASS_DESIRED,0);
  if( pWInfo==0 ) return;

  /* Populate the argument registers. */
  sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg);
  if( pRowid ){


    sqlite3ExprCode(pParse, pRowid, regArg+1);
  }else{
    sqlite3VdbeAddOp2(v, OP_Rowid, iCsr, regArg+1);
  }

  for(i=0; i<pTab->nCol; i++){
    if( aXRef[i]>=0 ){
      sqlite3ExprCode(pParse, pChanges->a[aXRef[i]].pExpr, regArg+2+i);
    }else{

      sqlite3VdbeAddOp3(v, OP_VColumn, iCsr, i, regArg+2+i);
    }

  }







  bOnePass = sqlite3WhereOkOnePass(pWInfo, aDummy);





  if( bOnePass ){
    /* If using the onepass strategy, no-op out the OP_OpenEphemeral coded
    ** above. Also, if this is a top-level parse (not a trigger), clear the
    ** multi-write flag so that the VM does not open a statement journal */
    sqlite3VdbeChangeToNoop(v, addr);
    if( sqlite3IsToplevel(pParse) ){
      pParse->isMultiWrite = 0;
    }
  }else{
    /* Create a record from the argument register contents and insert it into
    ** the ephemeral table. */


    sqlite3VdbeAddOp3(v, OP_MakeRecord, regArg, nArg, regRec);
    sqlite3VdbeAddOp2(v, OP_NewRowid, ephemTab, regRowid);
    sqlite3VdbeAddOp3(v, OP_Insert, ephemTab, regRec, regRowid);

  }


  if( bOnePass==0 ){
    /* End the virtual table scan */
    sqlite3WhereEnd(pWInfo);

    /* Begin scannning through the ephemeral table. */
    addr = sqlite3VdbeAddOp1(v, OP_Rewind, ephemTab); VdbeCoverage(v);

    /* Extract arguments from the current row of the ephemeral table and 
    ** invoke the VUpdate method.  */
    for(i=0; i<nArg; i++){
      sqlite3VdbeAddOp3(v, OP_Column, ephemTab, i, regArg+i);
    }
  }
  sqlite3VtabMakeWritable(pParse, pTab);
  sqlite3VdbeAddOp4(v, OP_VUpdate, 0, nArg, regArg, pVTab, P4_VTAB);
  sqlite3VdbeChangeP5(v, onError==OE_Default ? OE_Abort : onError);
  sqlite3MayAbort(pParse);

  /* End of the ephemeral table scan. Or, if using the onepass strategy,
  ** jump to here if the scan visited zero rows. */
  if( bOnePass==0 ){
    sqlite3VdbeAddOp2(v, OP_Next, ephemTab, addr+1); VdbeCoverage(v);
    sqlite3VdbeJumpHere(v, addr);
    sqlite3VdbeAddOp2(v, OP_Close, ephemTab, 0);
  }else{
    sqlite3WhereEnd(pWInfo);
  }


}
#endif /* SQLITE_OMIT_VIRTUALTABLE */

Changes to src/vdbe.c.

5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692



5693
5694
5695
5696
5697
5698
5699
5700

5701
5702

5703
5704
5705
5706
5707



5708
5709
5710
5711
5712
5713
5714

5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
  if( pIn1->u.i<pIn2->u.i){
    pIn1->u.i = pIn2->u.i;
  }
  break;
}
#endif /* SQLITE_OMIT_AUTOINCREMENT */

/* Opcode: IfPos P1 P2 * * *
** Synopsis: if r[P1]>0 goto P2
**
** Register P1 must contain an integer.
** If the value of register P1 is 1 or greater, jump to P2 and
** add the literal value P3 to register P1.
**
** If the initial value of register P1 is less than 1, then the
** value is unchanged and control passes through to the next instruction.
*/
case OP_IfPos: {        /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );
  VdbeBranchTaken( pIn1->u.i>0, 2);
  if( pIn1->u.i>0 ) goto jump_to_p2;



  break;
}

/* Opcode: IfNeg P1 P2 P3 * *
** Synopsis: r[P1]+=P3, if r[P1]<0 goto P2
**
** Register P1 must contain an integer.  Add literal P3 to the value in
** register P1 then if the value of register P1 is less than zero, jump to P2. 

*/
case OP_IfNeg: {        /* jump, in1 */

  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );
  pIn1->u.i += pOp->p3;
  VdbeBranchTaken(pIn1->u.i<0, 2);
  if( pIn1->u.i<0 ) goto jump_to_p2;



  break;
}

/* Opcode: IfNotZero P1 P2 P3 * *
** Synopsis: if r[P1]!=0 then r[P1]+=P3, goto P2
**
** Register P1 must contain an integer.  If the content of register P1 is

** initially nonzero, then add P3 to P1 and jump to P2.  If register P1 is
** initially zero, leave it unchanged and fall through.
*/
case OP_IfNotZero: {        /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );
  VdbeBranchTaken(pIn1->u.i<0, 2);
  if( pIn1->u.i ){
     pIn1->u.i += pOp->p3;
     goto jump_to_p2;
  }
  break;
}

/* Opcode: DecrJumpZero P1 P2 * * *
** Synopsis: if (--r[P1])==0 goto P2







|
|


|
|








|
>
>
>



|
|

|
|
>

<
>


<
<
|
>
>
>




|


>
|
|






|







5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705

5706
5707
5708


5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
  if( pIn1->u.i<pIn2->u.i){
    pIn1->u.i = pIn2->u.i;
  }
  break;
}
#endif /* SQLITE_OMIT_AUTOINCREMENT */

/* Opcode: IfPos P1 P2 P3 * *
** Synopsis: if r[P1]>0 then r[P1]-=P3, goto P2
**
** Register P1 must contain an integer.
** If the value of register P1 is 1 or greater, subtract P3 from the
** value in P1 and jump to P2.
**
** If the initial value of register P1 is less than 1, then the
** value is unchanged and control passes through to the next instruction.
*/
case OP_IfPos: {        /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );
  VdbeBranchTaken( pIn1->u.i>0, 2);
  if( pIn1->u.i>0 ){
    pIn1->u.i -= pOp->p3;
    goto jump_to_p2;
  }
  break;
}

/* Opcode: SetIfNotPos P1 P2 P3 * *
** Synopsis: if r[P1]<=0 then r[P2]=P3
**
** Register P1 must contain an integer.
** If the value of register P1 is not positive (if it is less than 1) then
** set the value of register P2 to be the integer P3.
*/

case OP_SetIfNotPos: {        /* in1, in2 */
  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );


  if( pIn1->u.i<=0 ){
    pOut = out2Prerelease(p, pOp);
    pOut->u.i = pOp->p3;
  }
  break;
}

/* Opcode: IfNotZero P1 P2 P3 * *
** Synopsis: if r[P1]!=0 then r[P1]-=P3, goto P2
**
** Register P1 must contain an integer.  If the content of register P1 is
** initially nonzero, then subtract P3 from the value in register P1 and
** jump to P2.  If register P1 is initially zero, leave it unchanged
** and fall through.
*/
case OP_IfNotZero: {        /* jump, in1 */
  pIn1 = &aMem[pOp->p1];
  assert( pIn1->flags&MEM_Int );
  VdbeBranchTaken(pIn1->u.i<0, 2);
  if( pIn1->u.i ){
     pIn1->u.i -= pOp->p3;
     goto jump_to_p2;
  }
  break;
}

/* Opcode: DecrJumpZero P1 P2 * * *
** Synopsis: if (--r[P1])==0 goto P2

Changes to src/vdbeblob.c.

244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
        }
      }
#endif
      for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
        int j;
        for(j=0; j<pIdx->nKeyCol; j++){
          /* FIXME: Be smarter about indexes that use expressions */
          if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==(-2) ){
            zFault = "indexed";
          }
        }
      }
      if( zFault ){
        sqlite3DbFree(db, zErr);
        zErr = sqlite3MPrintf(db, "cannot open %s column for writing", zFault);







|







244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
        }
      }
#endif
      for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
        int j;
        for(j=0; j<pIdx->nKeyCol; j++){
          /* FIXME: Be smarter about indexes that use expressions */
          if( pIdx->aiColumn[j]==iCol || pIdx->aiColumn[j]==XN_EXPR ){
            zFault = "indexed";
          }
        }
      }
      if( zFault ){
        sqlite3DbFree(db, zErr);
        zErr = sqlite3MPrintf(db, "cannot open %s column for writing", zFault);

Changes to src/vtab.c.

933
934
935
936
937
938
939

940

941
942
943
944
945
946
947
....
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153

    /* Invoke the xBegin method. If successful, add the vtab to the 
    ** sqlite3.aVTrans[] array. */
    rc = growVTrans(db);
    if( rc==SQLITE_OK ){
      rc = pModule->xBegin(pVTab->pVtab);
      if( rc==SQLITE_OK ){

        addToVTrans(db, pVTab);

      }
    }
  }
  return rc;
}

/*
................................................................................

/*
** Erase the eponymous virtual table instance associated with
** virtual table module pMod, if it exists.
*/
void sqlite3VtabEponymousTableClear(sqlite3 *db, Module *pMod){
  Table *pTab = pMod->pEpoTab;
  if( (pTab = pMod->pEpoTab)!=0 ){
    sqlite3DeleteColumnNames(db, pTab);
    sqlite3VtabClear(db, pTab);
    sqlite3DbFree(db, pTab);
    pMod->pEpoTab = 0;
  }
}








>

>







 







|







933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
....
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155

    /* Invoke the xBegin method. If successful, add the vtab to the 
    ** sqlite3.aVTrans[] array. */
    rc = growVTrans(db);
    if( rc==SQLITE_OK ){
      rc = pModule->xBegin(pVTab->pVtab);
      if( rc==SQLITE_OK ){
        int iSvpt = db->nStatement + db->nSavepoint;
        addToVTrans(db, pVTab);
        if( iSvpt ) rc = sqlite3VtabSavepoint(db, SAVEPOINT_BEGIN, iSvpt-1);
      }
    }
  }
  return rc;
}

/*
................................................................................

/*
** Erase the eponymous virtual table instance associated with
** virtual table module pMod, if it exists.
*/
void sqlite3VtabEponymousTableClear(sqlite3 *db, Module *pMod){
  Table *pTab = pMod->pEpoTab;
  if( pTab!=0 ){
    sqlite3DeleteColumnNames(db, pTab);
    sqlite3VtabClear(db, pTab);
    sqlite3DbFree(db, pTab);
    pMod->pEpoTab = 0;
  }
}

Changes to src/where.c.

83
84
85
86
87
88
89







90
91
92
93
94
95
96
...
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
...
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
...
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
....
1155
1156
1157
1158
1159
1160
1161

1162
1163
1164
1165
1166
1167
1168
....
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
....
2231
2232
2233
2234
2235
2236
2237

2238

2239
2240
2241
2242
2243
2244
2245
....
2417
2418
2419
2420
2421
2422
2423

2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434







2435
2436
2437
2438
2439
2440
2441
....
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
....
2821
2822
2823
2824
2825
2826
2827

2828
2829
2830
2831
2832
2833
2834
....
2866
2867
2868
2869
2870
2871
2872

2873
2874
2875
2876
2877
2878
2879
....
2881
2882
2883
2884
2885
2886
2887








2888
2889
2890
2891
2892
2893
2894
....
3202
3203
3204
3205
3206
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3210
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3267
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3270
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4522

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4533

4534
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4540
** Any cursors returned will have been opened for writing.
**
** aiCur[0] and aiCur[1] both get -1 if the where-clause logic is
** unable to use the ONEPASS optimization.
*/
int sqlite3WhereOkOnePass(WhereInfo *pWInfo, int *aiCur){
  memcpy(aiCur, pWInfo->aiCurOnePass, sizeof(int)*2);







  return pWInfo->eOnePass;
}

/*
** Move the content of pSrc into pDest
*/
static void whereOrMove(WhereOrSet *pDest, WhereOrSet *pSrc){
................................................................................
  WhereClause *pWC;    /* Shorthand for pScan->pWC */
  WhereTerm *pTerm;    /* The term being tested */
  int k = pScan->k;    /* Where to start scanning */

  while( pScan->iEquiv<=pScan->nEquiv ){
    iCur = pScan->aiCur[pScan->iEquiv-1];
    iColumn = pScan->aiColumn[pScan->iEquiv-1];
    if( iColumn==(-2) && pScan->pIdxExpr==0 ) return 0;
    while( (pWC = pScan->pWC)!=0 ){
      for(pTerm=pWC->a+k; k<pWC->nTerm; k++, pTerm++){
        if( pTerm->leftCursor==iCur
         && pTerm->u.leftColumn==iColumn
         && (iColumn!=(-2)
               || sqlite3ExprCompare(pTerm->pExpr->pLeft,pScan->pIdxExpr,iCur)==0)
         && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin))
        ){
          if( (pTerm->eOperator & WO_EQUIV)!=0
           && pScan->nEquiv<ArraySize(pScan->aiCur)
           && (pX = sqlite3ExprSkipCollate(pTerm->pExpr->pRight))->op==TK_COLUMN
          ){
            int j;
................................................................................
  /* memset(pScan, 0, sizeof(*pScan)); */
  pScan->pOrigWC = pWC;
  pScan->pWC = pWC;
  pScan->pIdxExpr = 0;
  if( pIdx ){
    j = iColumn;
    iColumn = pIdx->aiColumn[j];
    if( iColumn==(-2) ) pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;
  }
  if( pIdx && iColumn>=0 ){
    pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity;
    pScan->zCollName = pIdx->azColl[j];
  }else{
    pScan->idxaff = 0;
    pScan->zCollName = 0;
................................................................................
    for(i=BMS-1; i<pTable->nCol; i++){
      pIdx->aiColumn[n] = i;
      pIdx->azColl[n] = "BINARY";
      n++;
    }
  }
  assert( n==nKeyCol );
  pIdx->aiColumn[n] = -1;
  pIdx->azColl[n] = "BINARY";

  /* Create the automatic index */
  assert( pLevel->iIdxCur>=0 );
  pLevel->iIdxCur = pParse->nTab++;
  sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1);
  sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
................................................................................


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){

  if( !pIdx->zColAff ){
    if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
  }
  return pIdx->zColAff[iCol];
}
#endif

................................................................................
){
  Index *p = pLoop->u.btree.pIndex;
  int nEq = pLoop->u.btree.nEq;
  sqlite3 *db = pParse->db;
  int nLower = -1;
  int nUpper = p->nSample+1;
  int rc = SQLITE_OK;
  int iCol = p->aiColumn[nEq];
  u8 aff = sqlite3IndexColumnAffinity(db, p, iCol);
  CollSeq *pColl;
  
  sqlite3_value *p1 = 0;          /* Value extracted from pLower */
  sqlite3_value *p2 = 0;          /* Value extracted from pUpper */
  sqlite3_value *pVal = 0;        /* Value extracted from record */

  pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
................................................................................
      assert( nIn>0 );  /* RHS always has 2 or more terms...  The parser
                        ** changes "x IN (?)" into "x=?". */

    }else if( eOp & (WO_EQ|WO_IS) ){
      int iCol = pProbe->aiColumn[saved_nEq];
      pNew->wsFlags |= WHERE_COLUMN_EQ;
      assert( saved_nEq==pNew->u.btree.nEq );

      if( iCol==(-1) || (iCol>0 && nInMul==0 && saved_nEq==pProbe->nKeyCol-1) ){

        if( iCol>=0 && pProbe->uniqNotNull==0 ){
          pNew->wsFlags |= WHERE_UNQ_WANTED;
        }else{
          pNew->wsFlags |= WHERE_ONEROW;
        }
      }
    }else if( eOp & WO_ISNULL ){
................................................................................
*/
static int indexMightHelpWithOrderBy(
  WhereLoopBuilder *pBuilder,
  Index *pIndex,
  int iCursor
){
  ExprList *pOB;

  int ii, jj;

  if( pIndex->bUnordered ) return 0;
  if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0;
  for(ii=0; ii<pOB->nExpr; ii++){
    Expr *pExpr = sqlite3ExprSkipCollate(pOB->a[ii].pExpr);
    if( pExpr->op!=TK_COLUMN ) return 0;
    if( pExpr->iTable==iCursor ){
      if( pExpr->iColumn<0 ) return 1;
      for(jj=0; jj<pIndex->nKeyCol; jj++){
        if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1;







      }
    }
  }
  return 0;
}

/*
................................................................................
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
  /* Automatic indexes */
  if( !pBuilder->pOrSet      /* Not part of an OR optimization */
   && (pWInfo->wctrlFlags & WHERE_NO_AUTOINDEX)==0
   && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0
   && pSrc->pIBIndex==0      /* Has no INDEXED BY clause */
   && !pSrc->fg.notIndexed   /* Has no NOT INDEXED clause */
   && HasRowid(pTab)         /* Is not a WITHOUT ROWID table. (FIXME: Why not?) */
   && !pSrc->fg.isCorrelated /* Not a correlated subquery */
   && !pSrc->fg.isRecursive  /* Not a recursive common table expression. */
  ){
    /* Generate auto-index WhereLoops */
    WhereTerm *pTerm;
    WhereTerm *pWCEnd = pWC->a + pWC->nTerm;
    for(pTerm=pWC->a; rc==SQLITE_OK && pTerm<pWCEnd; pTerm++){
................................................................................
    if( pIdxInfo->needToFreeIdxStr ) sqlite3_free(pIdxInfo->idxStr);
    pIdxInfo->idxStr = 0;
    pIdxInfo->idxNum = 0;
    pIdxInfo->needToFreeIdxStr = 0;
    pIdxInfo->orderByConsumed = 0;
    pIdxInfo->estimatedCost = SQLITE_BIG_DBL / (double)2;
    pIdxInfo->estimatedRows = 25;

    rc = vtabBestIndex(pParse, pTab, pIdxInfo);
    if( rc ) goto whereLoopAddVtab_exit;
    pIdxCons = *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint;
    pNew->prereq = mExtra;
    mxTerm = -1;
    assert( pNew->nLSlot>=nConstraint );
    for(i=0; i<nConstraint; i++) pNew->aLTerm[i] = 0;
................................................................................
          }
          /* A virtual table that is constrained by an IN clause may not
          ** consume the ORDER BY clause because (1) the order of IN terms
          ** is not necessarily related to the order of output terms and
          ** (2) Multiple outputs from a single IN value will not merge
          ** together.  */
          pIdxInfo->orderByConsumed = 0;

        }
      }
    }
    if( i>=nConstraint ){
      pNew->nLTerm = mxTerm+1;
      assert( pNew->nLTerm<=pNew->nLSlot );
      pNew->u.vtab.idxNum = pIdxInfo->idxNum;
................................................................................
      pIdxInfo->needToFreeIdxStr = 0;
      pNew->u.vtab.idxStr = pIdxInfo->idxStr;
      pNew->u.vtab.isOrdered = (i8)(pIdxInfo->orderByConsumed ?
                                      pIdxInfo->nOrderBy : 0);
      pNew->rSetup = 0;
      pNew->rRun = sqlite3LogEstFromDouble(pIdxInfo->estimatedCost);
      pNew->nOut = sqlite3LogEst(pIdxInfo->estimatedRows);








      whereLoopInsert(pBuilder, pNew);
      if( pNew->u.vtab.needFree ){
        sqlite3_free(pNew->u.vtab.idxStr);
        pNew->u.vtab.needFree = 0;
      }
    }
  }  
................................................................................
        nColumn = 1;
      }else if( (pIndex = pLoop->u.btree.pIndex)==0 || pIndex->bUnordered ){
        return 0;
      }else{
        nKeyCol = pIndex->nKeyCol;
        nColumn = pIndex->nColumn;
        assert( nColumn==nKeyCol+1 || !HasRowid(pIndex->pTable) );
        assert( pIndex->aiColumn[nColumn-1]==(-1) || !HasRowid(pIndex->pTable));

        isOrderDistinct = IsUniqueIndex(pIndex);
      }

      /* Loop through all columns of the index and deal with the ones
      ** that are not constrained by == or IN.
      */
      rev = revSet = 0;
................................................................................
        ** (revIdx) for the j-th column of the index.
        */
        if( pIndex ){
          iColumn = pIndex->aiColumn[j];
          revIdx = pIndex->aSortOrder[j];
          if( iColumn==pIndex->pTable->iPKey ) iColumn = -1;
        }else{
          iColumn = -1;
          revIdx = 0;
        }

        /* An unconstrained column that might be NULL means that this
        ** WhereLoop is not well-ordered
        */
        if( isOrderDistinct
................................................................................
        isMatch = 0;
        for(i=0; bOnce && i<nOrderBy; i++){
          if( MASKBIT(i) & obSat ) continue;
          pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr);
          testcase( wctrlFlags & WHERE_GROUPBY );
          testcase( wctrlFlags & WHERE_DISTINCTBY );
          if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0;

          if( pOBExpr->op!=TK_COLUMN ) continue;
          if( pOBExpr->iTable!=iCur ) continue;
          if( pOBExpr->iColumn!=iColumn ) continue;





          if( iColumn>=0 ){
            pColl = sqlite3ExprCollSeq(pWInfo->pParse, pOrderBy->a[i].pExpr);
            if( !pColl ) pColl = db->pDfltColl;
            if( sqlite3StrICmp(pColl->zName, pIndex->azColl[j])!=0 ) continue;
          }
          isMatch = 1;
          break;
................................................................................
      /* Try to ORDER BY the result set to make distinct processing easier */
      pWInfo->wctrlFlags |= WHERE_DISTINCTBY;
      pWInfo->pOrderBy = pResultSet;
    }
  }

  /* Construct the WhereLoop objects */
  WHERETRACE(0xffff,("*** Optimizer Start ***\n"));

#if defined(WHERETRACE_ENABLED)
  if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */
    int i;
    for(i=0; i<sWLB.pWC->nTerm; i++){
      whereTermPrint(&sWLB.pWC->a[i], i);
    }
  }
................................................................................
    ** reference the index.
    */
    if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){
      pIdx = pLoop->u.btree.pIndex;
    }else if( pLoop->wsFlags & WHERE_MULTI_OR ){
      pIdx = pLevel->u.pCovidx;
    }


    if( pIdx && !db->mallocFailed ){

      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;
      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column ){
          int x = pOp->p2;
          assert( pIdx->pTable==pTab );
          if( !HasRowid(pTab) ){
            Index *pPk = sqlite3PrimaryKeyIndex(pTab);
            x = pPk->aiColumn[x];

          }
          x = sqlite3ColumnOfIndex(pIdx, x);
          if( x>=0 ){
            pOp->p2 = x;
            pOp->p1 = pLevel->iIdxCur;
          }
          assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 );







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...
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...
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730
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735
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737
....
1162
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1173
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1176
....
1220
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1222
1223
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1225
1226

1227
1228
1229
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1234
....
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2240
2241
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2250
2251
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....
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2440
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....
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....
2883
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....
2899
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....
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3235
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....
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....
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3302
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....
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....
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4578
** Any cursors returned will have been opened for writing.
**
** aiCur[0] and aiCur[1] both get -1 if the where-clause logic is
** unable to use the ONEPASS optimization.
*/
int sqlite3WhereOkOnePass(WhereInfo *pWInfo, int *aiCur){
  memcpy(aiCur, pWInfo->aiCurOnePass, sizeof(int)*2);
#ifdef WHERETRACE_ENABLED
  if( sqlite3WhereTrace && pWInfo->eOnePass!=ONEPASS_OFF ){
    sqlite3DebugPrintf("%s cursors: %d %d\n",
         pWInfo->eOnePass==ONEPASS_SINGLE ? "ONEPASS_SINGLE" : "ONEPASS_MULTI",
         aiCur[0], aiCur[1]);
  }
#endif
  return pWInfo->eOnePass;
}

/*
** Move the content of pSrc into pDest
*/
static void whereOrMove(WhereOrSet *pDest, WhereOrSet *pSrc){
................................................................................
  WhereClause *pWC;    /* Shorthand for pScan->pWC */
  WhereTerm *pTerm;    /* The term being tested */
  int k = pScan->k;    /* Where to start scanning */

  while( pScan->iEquiv<=pScan->nEquiv ){
    iCur = pScan->aiCur[pScan->iEquiv-1];
    iColumn = pScan->aiColumn[pScan->iEquiv-1];
    if( iColumn==XN_EXPR && pScan->pIdxExpr==0 ) return 0;
    while( (pWC = pScan->pWC)!=0 ){
      for(pTerm=pWC->a+k; k<pWC->nTerm; k++, pTerm++){
        if( pTerm->leftCursor==iCur
         && pTerm->u.leftColumn==iColumn
         && (iColumn!=XN_EXPR
             || sqlite3ExprCompare(pTerm->pExpr->pLeft,pScan->pIdxExpr,iCur)==0)
         && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin))
        ){
          if( (pTerm->eOperator & WO_EQUIV)!=0
           && pScan->nEquiv<ArraySize(pScan->aiCur)
           && (pX = sqlite3ExprSkipCollate(pTerm->pExpr->pRight))->op==TK_COLUMN
          ){
            int j;
................................................................................
  /* memset(pScan, 0, sizeof(*pScan)); */
  pScan->pOrigWC = pWC;
  pScan->pWC = pWC;
  pScan->pIdxExpr = 0;
  if( pIdx ){
    j = iColumn;
    iColumn = pIdx->aiColumn[j];
    if( iColumn==XN_EXPR ) pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;
  }
  if( pIdx && iColumn>=0 ){
    pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity;
    pScan->zCollName = pIdx->azColl[j];
  }else{
    pScan->idxaff = 0;
    pScan->zCollName = 0;
................................................................................
    for(i=BMS-1; i<pTable->nCol; i++){
      pIdx->aiColumn[n] = i;
      pIdx->azColl[n] = "BINARY";
      n++;
    }
  }
  assert( n==nKeyCol );
  pIdx->aiColumn[n] = XN_ROWID;
  pIdx->azColl[n] = "BINARY";

  /* Create the automatic index */
  assert( pLevel->iIdxCur>=0 );
  pLevel->iIdxCur = pParse->nTab++;
  sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1);
  sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
................................................................................


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){
  assert( iCol>=0 && iCol<pIdx->nColumn );
  if( !pIdx->zColAff ){
    if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
  }
  return pIdx->zColAff[iCol];
}
#endif

................................................................................
){
  Index *p = pLoop->u.btree.pIndex;
  int nEq = pLoop->u.btree.nEq;
  sqlite3 *db = pParse->db;
  int nLower = -1;
  int nUpper = p->nSample+1;
  int rc = SQLITE_OK;

  u8 aff = sqlite3IndexColumnAffinity(db, p, nEq);
  CollSeq *pColl;
  
  sqlite3_value *p1 = 0;          /* Value extracted from pLower */
  sqlite3_value *p2 = 0;          /* Value extracted from pUpper */
  sqlite3_value *pVal = 0;        /* Value extracted from record */

  pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
................................................................................
      assert( nIn>0 );  /* RHS always has 2 or more terms...  The parser
                        ** changes "x IN (?)" into "x=?". */

    }else if( eOp & (WO_EQ|WO_IS) ){
      int iCol = pProbe->aiColumn[saved_nEq];
      pNew->wsFlags |= WHERE_COLUMN_EQ;
      assert( saved_nEq==pNew->u.btree.nEq );
      if( iCol==XN_ROWID 
       || (iCol>0 && nInMul==0 && saved_nEq==pProbe->nKeyCol-1)
      ){
        if( iCol>=0 && pProbe->uniqNotNull==0 ){
          pNew->wsFlags |= WHERE_UNQ_WANTED;
        }else{
          pNew->wsFlags |= WHERE_ONEROW;
        }
      }
    }else if( eOp & WO_ISNULL ){
................................................................................
*/
static int indexMightHelpWithOrderBy(
  WhereLoopBuilder *pBuilder,
  Index *pIndex,
  int iCursor
){
  ExprList *pOB;
  ExprList *aColExpr;
  int ii, jj;

  if( pIndex->bUnordered ) return 0;
  if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0;
  for(ii=0; ii<pOB->nExpr; ii++){
    Expr *pExpr = sqlite3ExprSkipCollate(pOB->a[ii].pExpr);

    if( pExpr->op==TK_COLUMN && pExpr->iTable==iCursor ){
      if( pExpr->iColumn<0 ) return 1;
      for(jj=0; jj<pIndex->nKeyCol; jj++){
        if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1;
      }
    }else if( (aColExpr = pIndex->aColExpr)!=0 ){
      for(jj=0; jj<pIndex->nKeyCol; jj++){
        if( pIndex->aiColumn[jj]!=XN_EXPR ) continue;
        if( sqlite3ExprCompare(pExpr,aColExpr->a[jj].pExpr,iCursor)==0 ){
          return 1;
        }
      }
    }
  }
  return 0;
}

/*
................................................................................
#ifndef SQLITE_OMIT_AUTOMATIC_INDEX
  /* Automatic indexes */
  if( !pBuilder->pOrSet      /* Not part of an OR optimization */
   && (pWInfo->wctrlFlags & WHERE_NO_AUTOINDEX)==0
   && (pWInfo->pParse->db->flags & SQLITE_AutoIndex)!=0
   && pSrc->pIBIndex==0      /* Has no INDEXED BY clause */
   && !pSrc->fg.notIndexed   /* Has no NOT INDEXED clause */
   && HasRowid(pTab)         /* Not WITHOUT ROWID table. (FIXME: Why not?) */
   && !pSrc->fg.isCorrelated /* Not a correlated subquery */
   && !pSrc->fg.isRecursive  /* Not a recursive common table expression. */
  ){
    /* Generate auto-index WhereLoops */
    WhereTerm *pTerm;
    WhereTerm *pWCEnd = pWC->a + pWC->nTerm;
    for(pTerm=pWC->a; rc==SQLITE_OK && pTerm<pWCEnd; pTerm++){
................................................................................
    if( pIdxInfo->needToFreeIdxStr ) sqlite3_free(pIdxInfo->idxStr);
    pIdxInfo->idxStr = 0;
    pIdxInfo->idxNum = 0;
    pIdxInfo->needToFreeIdxStr = 0;
    pIdxInfo->orderByConsumed = 0;
    pIdxInfo->estimatedCost = SQLITE_BIG_DBL / (double)2;
    pIdxInfo->estimatedRows = 25;
    pIdxInfo->idxFlags = 0;
    rc = vtabBestIndex(pParse, pTab, pIdxInfo);
    if( rc ) goto whereLoopAddVtab_exit;
    pIdxCons = *(struct sqlite3_index_constraint**)&pIdxInfo->aConstraint;
    pNew->prereq = mExtra;
    mxTerm = -1;
    assert( pNew->nLSlot>=nConstraint );
    for(i=0; i<nConstraint; i++) pNew->aLTerm[i] = 0;
................................................................................
          }
          /* A virtual table that is constrained by an IN clause may not
          ** consume the ORDER BY clause because (1) the order of IN terms
          ** is not necessarily related to the order of output terms and
          ** (2) Multiple outputs from a single IN value will not merge
          ** together.  */
          pIdxInfo->orderByConsumed = 0;
          pIdxInfo->idxFlags &= ~SQLITE_INDEX_SCAN_UNIQUE;
        }
      }
    }
    if( i>=nConstraint ){
      pNew->nLTerm = mxTerm+1;
      assert( pNew->nLTerm<=pNew->nLSlot );
      pNew->u.vtab.idxNum = pIdxInfo->idxNum;
................................................................................
      pIdxInfo->needToFreeIdxStr = 0;
      pNew->u.vtab.idxStr = pIdxInfo->idxStr;
      pNew->u.vtab.isOrdered = (i8)(pIdxInfo->orderByConsumed ?
                                      pIdxInfo->nOrderBy : 0);
      pNew->rSetup = 0;
      pNew->rRun = sqlite3LogEstFromDouble(pIdxInfo->estimatedCost);
      pNew->nOut = sqlite3LogEst(pIdxInfo->estimatedRows);

      /* Set the WHERE_ONEROW flag if the xBestIndex() method indicated
      ** that the scan will visit at most one row. Clear it otherwise. */
      if( pIdxInfo->idxFlags & SQLITE_INDEX_SCAN_UNIQUE ){
        pNew->wsFlags |= WHERE_ONEROW;
      }else{
        pNew->wsFlags &= ~WHERE_ONEROW;
      }
      whereLoopInsert(pBuilder, pNew);
      if( pNew->u.vtab.needFree ){
        sqlite3_free(pNew->u.vtab.idxStr);
        pNew->u.vtab.needFree = 0;
      }
    }
  }  
................................................................................
        nColumn = 1;
      }else if( (pIndex = pLoop->u.btree.pIndex)==0 || pIndex->bUnordered ){
        return 0;
      }else{
        nKeyCol = pIndex->nKeyCol;
        nColumn = pIndex->nColumn;
        assert( nColumn==nKeyCol+1 || !HasRowid(pIndex->pTable) );
        assert( pIndex->aiColumn[nColumn-1]==XN_ROWID
                          || !HasRowid(pIndex->pTable));
        isOrderDistinct = IsUniqueIndex(pIndex);
      }

      /* Loop through all columns of the index and deal with the ones
      ** that are not constrained by == or IN.
      */
      rev = revSet = 0;
................................................................................
        ** (revIdx) for the j-th column of the index.
        */
        if( pIndex ){
          iColumn = pIndex->aiColumn[j];
          revIdx = pIndex->aSortOrder[j];
          if( iColumn==pIndex->pTable->iPKey ) iColumn = -1;
        }else{
          iColumn = XN_ROWID;
          revIdx = 0;
        }

        /* An unconstrained column that might be NULL means that this
        ** WhereLoop is not well-ordered
        */
        if( isOrderDistinct
................................................................................
        isMatch = 0;
        for(i=0; bOnce && i<nOrderBy; i++){
          if( MASKBIT(i) & obSat ) continue;
          pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr);
          testcase( wctrlFlags & WHERE_GROUPBY );
          testcase( wctrlFlags & WHERE_DISTINCTBY );
          if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0;
          if( iColumn>=(-1) ){
            if( pOBExpr->op!=TK_COLUMN ) continue;
            if( pOBExpr->iTable!=iCur ) continue;
            if( pOBExpr->iColumn!=iColumn ) continue;
          }else{
            if( sqlite3ExprCompare(pOBExpr,pIndex->aColExpr->a[j].pExpr,iCur) ){
              continue;
            }
          }
          if( iColumn>=0 ){
            pColl = sqlite3ExprCollSeq(pWInfo->pParse, pOrderBy->a[i].pExpr);
            if( !pColl ) pColl = db->pDfltColl;
            if( sqlite3StrICmp(pColl->zName, pIndex->azColl[j])!=0 ) continue;
          }
          isMatch = 1;
          break;
................................................................................
      /* Try to ORDER BY the result set to make distinct processing easier */
      pWInfo->wctrlFlags |= WHERE_DISTINCTBY;
      pWInfo->pOrderBy = pResultSet;
    }
  }

  /* Construct the WhereLoop objects */
  WHERETRACE(0xffff,("*** Optimizer Start *** (wctrlFlags: 0x%x)\n",
             wctrlFlags));
#if defined(WHERETRACE_ENABLED)
  if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */
    int i;
    for(i=0; i<sWLB.pWC->nTerm; i++){
      whereTermPrint(&sWLB.pWC->a[i], i);
    }
  }
................................................................................
    ** reference the index.
    */
    if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){
      pIdx = pLoop->u.btree.pIndex;
    }else if( pLoop->wsFlags & WHERE_MULTI_OR ){
      pIdx = pLevel->u.pCovidx;
    }
    if( pIdx
     && (pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable))
     && !db->mallocFailed
    ){
      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;
      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column ){
          int x = pOp->p2;
          assert( pIdx->pTable==pTab );
          if( !HasRowid(pTab) ){
            Index *pPk = sqlite3PrimaryKeyIndex(pTab);
            x = pPk->aiColumn[x];
            assert( x>=0 );
          }
          x = sqlite3ColumnOfIndex(pIdx, x);
          if( x>=0 ){
            pOp->p2 = x;
            pOp->p1 = pLevel->iIdxCur;
          }
          assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 );

Changes to src/wherecode.c.

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}

/*
** Return the name of the i-th column of the pIdx index.
*/
static const char *explainIndexColumnName(Index *pIdx, int i){
  i = pIdx->aiColumn[i];
  if( i==(-2) ) return "<expr>";
  if( i==(-1) ) return "rowid";
  return pIdx->pTable->aCol[i].zName;
}

/*
** Argument pLevel describes a strategy for scanning table pTab. This 
** function appends text to pStr that describes the subset of table
** rows scanned by the strategy in the form of an SQL expression.
................................................................................
    pLevel->addrSkip = sqlite3VdbeAddOp4Int(v, (bRev?OP_SeekLT:OP_SeekGT),
                            iIdxCur, 0, regBase, nSkip);
    VdbeCoverageIf(v, bRev==0);
    VdbeCoverageIf(v, bRev!=0);
    sqlite3VdbeJumpHere(v, j);
    for(j=0; j<nSkip; j++){
      sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, j, regBase+j);
      testcase( pIdx->aiColumn[j]==(-2) );
      VdbeComment((v, "%s", explainIndexColumnName(pIdx, j)));
    }
  }    

  /* Evaluate the equality constraints
  */
  assert( zAff==0 || (int)strlen(zAff)>=nEq );
................................................................................
    VdbeCoverage(v);
    pLoop->u.vtab.needFree = 0;
    for(j=0; j<nConstraint && j<16; j++){
      if( (pLoop->u.vtab.omitMask>>j)&1 ){
        disableTerm(pLevel, pLoop->aLTerm[j]);
      }
    }
    pLevel->op = OP_VNext;
    pLevel->p1 = iCur;

    pLevel->p2 = sqlite3VdbeCurrentAddr(v);
    sqlite3ReleaseTempRange(pParse, iReg, nConstraint+2);
    sqlite3ExprCachePop(pParse);
  }else
#endif /* SQLITE_OMIT_VIRTUALTABLE */

  if( (pLoop->wsFlags & WHERE_IPK)!=0
................................................................................
                | WHERE_ONETABLE_ONLY
                | WHERE_NO_AUTOINDEX;
    for(ii=0; ii<pOrWc->nTerm; ii++){
      WhereTerm *pOrTerm = &pOrWc->a[ii];
      if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
        WhereInfo *pSubWInfo;           /* Info for single OR-term scan */
        Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */
        int j1 = 0;                     /* Address of jump operation */
        if( pAndExpr && !ExprHasProperty(pOrExpr, EP_FromJoin) ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */
        WHERETRACE(0xffff, ("Subplan for OR-clause:\n"));
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
................................................................................
          ** row will be skipped in subsequent sub-WHERE clauses.
          */
          if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
            int r;
            int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);
            if( HasRowid(pTab) ){
              r = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iCur, regRowid, 0);
              j1 = sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset, 0, r,iSet);

              VdbeCoverage(v);
            }else{
              Index *pPk = sqlite3PrimaryKeyIndex(pTab);
              int nPk = pPk->nKeyCol;
              int iPk;

              /* Read the PK into an array of temp registers. */
................................................................................
              **
              ** Use some of the same optimizations as OP_RowSetTest: If iSet
              ** is zero, assume that the key cannot already be present in
              ** the temp table. And if iSet is -1, assume that there is no 
              ** need to insert the key into the temp table, as it will never 
              ** be tested for.  */ 
              if( iSet ){
                j1 = sqlite3VdbeAddOp4Int(v, OP_Found, regRowset, 0, r, nPk);
                VdbeCoverage(v);
              }
              if( iSet>=0 ){
                sqlite3VdbeAddOp3(v, OP_MakeRecord, r, nPk, regRowid);
                sqlite3VdbeAddOp3(v, OP_IdxInsert, regRowset, regRowid, 0);
                if( iSet ) sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT);
              }
................................................................................
          }

          /* Invoke the main loop body as a subroutine */
          sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);

          /* Jump here (skipping the main loop body subroutine) if the
          ** current sub-WHERE row is a duplicate from prior sub-WHEREs. */
          if( j1 ) sqlite3VdbeJumpHere(v, j1);

          /* The pSubWInfo->untestedTerms flag means that this OR term
          ** contained one or more AND term from a notReady table.  The
          ** terms from the notReady table could not be tested and will
          ** need to be tested later.
          */
          if( pSubWInfo->untestedTerms ) untestedTerms = 1;







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}

/*
** Return the name of the i-th column of the pIdx index.
*/
static const char *explainIndexColumnName(Index *pIdx, int i){
  i = pIdx->aiColumn[i];
  if( i==XN_EXPR ) return "<expr>";
  if( i==XN_ROWID ) return "rowid";
  return pIdx->pTable->aCol[i].zName;
}

/*
** Argument pLevel describes a strategy for scanning table pTab. This 
** function appends text to pStr that describes the subset of table
** rows scanned by the strategy in the form of an SQL expression.
................................................................................
    pLevel->addrSkip = sqlite3VdbeAddOp4Int(v, (bRev?OP_SeekLT:OP_SeekGT),
                            iIdxCur, 0, regBase, nSkip);
    VdbeCoverageIf(v, bRev==0);
    VdbeCoverageIf(v, bRev!=0);
    sqlite3VdbeJumpHere(v, j);
    for(j=0; j<nSkip; j++){
      sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, j, regBase+j);
      testcase( pIdx->aiColumn[j]==XN_EXPR );
      VdbeComment((v, "%s", explainIndexColumnName(pIdx, j)));
    }
  }    

  /* Evaluate the equality constraints
  */
  assert( zAff==0 || (int)strlen(zAff)>=nEq );
................................................................................
    VdbeCoverage(v);
    pLoop->u.vtab.needFree = 0;
    for(j=0; j<nConstraint && j<16; j++){
      if( (pLoop->u.vtab.omitMask>>j)&1 ){
        disableTerm(pLevel, pLoop->aLTerm[j]);
      }
    }

    pLevel->p1 = iCur;
    pLevel->op = pWInfo->eOnePass ? OP_Noop : OP_VNext;
    pLevel->p2 = sqlite3VdbeCurrentAddr(v);
    sqlite3ReleaseTempRange(pParse, iReg, nConstraint+2);
    sqlite3ExprCachePop(pParse);
  }else
#endif /* SQLITE_OMIT_VIRTUALTABLE */

  if( (pLoop->wsFlags & WHERE_IPK)!=0
................................................................................
                | WHERE_ONETABLE_ONLY
                | WHERE_NO_AUTOINDEX;
    for(ii=0; ii<pOrWc->nTerm; ii++){
      WhereTerm *pOrTerm = &pOrWc->a[ii];
      if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
        WhereInfo *pSubWInfo;           /* Info for single OR-term scan */
        Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */
        int jmp1 = 0;                   /* Address of jump operation */
        if( pAndExpr && !ExprHasProperty(pOrExpr, EP_FromJoin) ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */
        WHERETRACE(0xffff, ("Subplan for OR-clause:\n"));
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
................................................................................
          ** row will be skipped in subsequent sub-WHERE clauses.
          */
          if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
            int r;
            int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);
            if( HasRowid(pTab) ){
              r = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iCur, regRowid, 0);
              jmp1 = sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset, 0,
                                           r,iSet);
              VdbeCoverage(v);
            }else{
              Index *pPk = sqlite3PrimaryKeyIndex(pTab);
              int nPk = pPk->nKeyCol;
              int iPk;

              /* Read the PK into an array of temp registers. */
................................................................................
              **
              ** Use some of the same optimizations as OP_RowSetTest: If iSet
              ** is zero, assume that the key cannot already be present in
              ** the temp table. And if iSet is -1, assume that there is no 
              ** need to insert the key into the temp table, as it will never 
              ** be tested for.  */ 
              if( iSet ){
                jmp1 = sqlite3VdbeAddOp4Int(v, OP_Found, regRowset, 0, r, nPk);
                VdbeCoverage(v);
              }
              if( iSet>=0 ){
                sqlite3VdbeAddOp3(v, OP_MakeRecord, r, nPk, regRowid);
                sqlite3VdbeAddOp3(v, OP_IdxInsert, regRowset, regRowid, 0);
                if( iSet ) sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT);
              }
................................................................................
          }

          /* Invoke the main loop body as a subroutine */
          sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);

          /* Jump here (skipping the main loop body subroutine) if the
          ** current sub-WHERE row is a duplicate from prior sub-WHEREs. */
          if( jmp1 ) sqlite3VdbeJumpHere(v, jmp1);

          /* The pSubWInfo->untestedTerms flag means that this OR term
          ** contained one or more AND term from a notReady table.  The
          ** terms from the notReady table could not be tested and will
          ** need to be tested later.
          */
          if( pSubWInfo->untestedTerms ) untestedTerms = 1;

Changes to src/whereexpr.c.

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          eExtraOp = WO_EQUIV;
        }
      }else{
        pDup = pExpr;
        pNew = pTerm;
      }
      exprCommute(pParse, pDup);
      pLeft = sqlite3ExprSkipCollate(pDup->pLeft);
      pNew->leftCursor = iCur;
      pNew->u.leftColumn = iColumn;
      testcase( (prereqLeft | extraRight) != prereqLeft );
      pNew->prereqRight = prereqLeft | extraRight;
      pNew->prereqAll = prereqAll;
      pNew->eOperator = (operatorMask(pDup->op) + eExtraOp) & opMask;
    }







<







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          eExtraOp = WO_EQUIV;
        }
      }else{
        pDup = pExpr;
        pNew = pTerm;
      }
      exprCommute(pParse, pDup);

      pNew->leftCursor = iCur;
      pNew->u.leftColumn = iColumn;
      testcase( (prereqLeft | extraRight) != prereqLeft );
      pNew->prereqRight = prereqLeft | extraRight;
      pNew->prereqAll = prereqAll;
      pNew->eOperator = (operatorMask(pDup->op) + eExtraOp) & opMask;
    }

Changes to test/delete4.test.

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do_execsql_test 3.3 {
  SELECT i FROM t1 ORDER BY i;
} {1 3 5 7}

do_execsql_test 3.4 { 
  PRAGMA integrity_check; 
} {ok}













































finish_test








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do_execsql_test 3.3 {
  SELECT i FROM t1 ORDER BY i;
} {1 3 5 7}

do_execsql_test 3.4 { 
  PRAGMA integrity_check; 
} {ok}

# Between 2015-09-14 and 2015-09-28, the following test cases would result
# in corruption (wrong # of entries in index) due to a bug in the ONEPASS
# optimization.
#
do_execsql_test 4.1 {
  DROP TABLE IF EXISTS t4;
  CREATE TABLE t4(col0, col1);
  INSERT INTO "t4" VALUES(14, 'abcde');
  CREATE INDEX idx_t4_0 ON t4 (col1, col0);
  CREATE INDEX idx_t4_3 ON t4 (col0);
  DELETE FROM t4 WHERE col0=69 OR col0>7;
  PRAGMA integrity_check;
} {ok}
do_execsql_test 4.2 {
  DROP TABLE IF EXISTS t4;
  CREATE TABLE t4(col0, col1);
  INSERT INTO "t4" VALUES(14, 'abcde');
  CREATE INDEX idx_t4_3 ON t4 (col0);
  CREATE INDEX idx_t4_0 ON t4 (col1, col0);
  DELETE FROM t4 WHERE col0=69 OR col0>7;
  PRAGMA integrity_check;
} {ok}
do_execsql_test 4.11 {
  DROP TABLE IF EXISTS t4;
  CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID;
  INSERT INTO t4 VALUES(14, 'abcde','xyzzy');
  CREATE INDEX idx_t4_0 ON t4 (col1, col0);
  CREATE INDEX idx_t4_3 ON t4 (col0);
  DELETE FROM t4 WHERE col0=69 OR col0>7;
  PRAGMA integrity_check;
} {ok}
do_execsql_test 4.12 {
  DROP TABLE IF EXISTS t4;
  CREATE TABLE t4(col0, col1, pk PRIMARY KEY) WITHOUT ROWID;
  INSERT INTO t4 VALUES(14, 'abcde','xyzzy');
  CREATE INDEX idx_t4_3 ON t4 (col0);
  CREATE INDEX idx_t4_0 ON t4 (col1, col0);
  DELETE FROM t4 WHERE col0=69 OR col0>7;
  PRAGMA integrity_check;
} {ok}




finish_test

Changes to test/fkey1.test.

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154
  SELECT 1, """5" FROM """4";
  DELETE FROM """1";
  SELECT 2, """5" FROM """4";
} {1 abc}
do_execsql_test fkey1-4.2 {
  PRAGMA table_info="""1";
} {0 {"2} TEXT 0 {} 1 1 {"3} TEXT 0 {} 0}



































finish_test








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  SELECT 1, """5" FROM """4";
  DELETE FROM """1";
  SELECT 2, """5" FROM """4";
} {1 abc}
do_execsql_test fkey1-4.2 {
  PRAGMA table_info="""1";
} {0 {"2} TEXT 0 {} 1 1 {"3} TEXT 0 {} 0}

#-------------------------------------------------------------------------
#
do_execsql_test fkey1-5.1 {
  CREATE TABLE t11(
    x INTEGER PRIMARY KEY, 
    parent REFERENCES t11 ON DELETE CASCADE
  );
  INSERT INTO t11 VALUES (1, NULL), (2, 1), (3, 2);
} {}

# The REPLACE part of this statement deletes the row (2, 1). Then the 
# DELETE CASCADE caused by deleting that row removes the (3, 2) row. Which
# would have been the parent of the new row being inserted. Causing an
# FK violation.
#
do_catchsql_test fkey1-5.2 {
  INSERT OR REPLACE INTO t11 VALUES (2, 3);
} {1 {FOREIGN KEY constraint failed}}

# A similar test to the above.
do_execsql_test fkey1-5.3 {
  CREATE TABLE Foo (
    Id INTEGER PRIMARY KEY, 
    ParentId INTEGER REFERENCES Foo(Id) ON DELETE CASCADE, C1
  );
  INSERT OR REPLACE INTO Foo(Id, ParentId, C1) VALUES (1, null, 'A');
  INSERT OR REPLACE INTO Foo(Id, ParentId, C1) VALUES (2, 1, 'A-2-1');
  INSERT OR REPLACE INTO Foo(Id, ParentId, C1) VALUES (3, 2, 'A-3-2');
  INSERT OR REPLACE INTO Foo(Id, ParentId, C1) VALUES (4, 3, 'A-4-3');
}
do_catchsql_test fkey1-5.4 {
  INSERT OR REPLACE INTO Foo(Id, ParentId, C1) VALUES (2, 3, 'A-2-3');
} {1 {FOREIGN KEY constraint failed}}

finish_test

Changes to test/fts3conf.test.

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  6    "INSERT OR ROLLBACK $T2"   1 1 {{a b c d} {e f g h}}
  7    "INSERT OR ABORT    $T2"   1 1 {{a b c d} {e f g h} {i j k l}}
  8    "INSERT OR FAIL     $T2"   1 1 {{a b c d} {e f g h} {i j k l} z}
  9    "INSERT OR IGNORE   $T2"   1 0 {{a b c d} {e f g h} {i j k l} z}
  10   "INSERT OR REPLACE  $T2"   1 0 {{a b c d} y {i j k l} z}

  11   "UPDATE OR ROLLBACK $T3"   1 1 {{a b c d} {e f g h}}
  12   "UPDATE OR ABORT    $T3"   1 1 {{a b c d} {e f g h} {i j k l}}
  13   "UPDATE OR FAIL     $T3"   1 1 {{a b c d} {e f g h} {i j k l}}
  14   "UPDATE OR IGNORE   $T3"   1 0 {{a b c d} {e f g h} {i j k l}}
  15   "UPDATE OR REPLACE  $T3"   1 0 {{a b c d} {i j k l}}

  16   "UPDATE OR ROLLBACK $T4"   1 1 {{a b c d} {e f g h}}
  17   "UPDATE OR ABORT    $T4"   1 1 {{a b c d} {e f g h} {i j k l}}
  18   "UPDATE OR FAIL     $T4"   1 1 {{e f g h} {i j k l} {a b c d}}
  19   "UPDATE OR IGNORE   $T4"   1 0 {{e f g h} {i j k l} {a b c d}}
  20   "UPDATE OR REPLACE  $T4"   1 0 {{e f g h} {a b c d}}
}] {
................................................................................
  SELECT docid FROM t3;
} {3 4 5}

do_execsql_test 3.8 {
  UPDATE OR REPLACE t3 SET docid = 5, content='three four' WHERE docid = 4;
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
} {X'0200000002000000'}


































finish_test








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  6    "INSERT OR ROLLBACK $T2"   1 1 {{a b c d} {e f g h}}
  7    "INSERT OR ABORT    $T2"   1 1 {{a b c d} {e f g h} {i j k l}}
  8    "INSERT OR FAIL     $T2"   1 1 {{a b c d} {e f g h} {i j k l} z}
  9    "INSERT OR IGNORE   $T2"   1 0 {{a b c d} {e f g h} {i j k l} z}
  10   "INSERT OR REPLACE  $T2"   1 0 {{a b c d} y {i j k l} z}

  11   "UPDATE OR ROLLBACK $T3"   0 1 {{a b c d} {e f g h}}
  12   "UPDATE OR ABORT    $T3"   0 1 {{a b c d} {e f g h} {i j k l}}
  13   "UPDATE OR FAIL     $T3"   0 1 {{a b c d} {e f g h} {i j k l}}
  14   "UPDATE OR IGNORE   $T3"   0 0 {{a b c d} {e f g h} {i j k l}}
  15   "UPDATE OR REPLACE  $T3"   0 0 {{a b c d} {i j k l}}

  16   "UPDATE OR ROLLBACK $T4"   1 1 {{a b c d} {e f g h}}
  17   "UPDATE OR ABORT    $T4"   1 1 {{a b c d} {e f g h} {i j k l}}
  18   "UPDATE OR FAIL     $T4"   1 1 {{e f g h} {i j k l} {a b c d}}
  19   "UPDATE OR IGNORE   $T4"   1 0 {{e f g h} {i j k l} {a b c d}}
  20   "UPDATE OR REPLACE  $T4"   1 0 {{e f g h} {a b c d}}
}] {
................................................................................
  SELECT docid FROM t3;
} {3 4 5}

do_execsql_test 3.8 {
  UPDATE OR REPLACE t3 SET docid = 5, content='three four' WHERE docid = 4;
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
} {X'0200000002000000'}

#-------------------------------------------------------------------------
# Test that the xSavepoint is invoked correctly if the first write 
# operation within a transaction is to a virtual table. 
# 
do_catchsql_test 4.1.1 {
  CREATE VIRTUAL TABLE t0 USING fts4;
  BEGIN;
    INSERT INTO t0(rowid, content) SELECT
      1, 'abc' UNION ALL SELECT
      2, 'def' UNION ALL SELECT
      1, 'ghi';
} {1 {constraint failed}}
do_execsql_test 4.1.2 {
  COMMIT;
}
do_execsql_test 4.1.3 {
  SELECT * FROM t0 WHERE t0 MATCH 'abc';
  INSERT INTO t0(t0) VALUES('integrity-check');
} {}

do_execsql_test 4.2.1 {
  CREATE VIRTUAL TABLE t01 USING fts4;
  BEGIN;
    SAVEPOINT abc;
      INSERT INTO t01 VALUES('a b c');
    ROLLBACK TO abc;
  COMMIT;
}
do_execsql_test 4.2.2 {
  SELECT * FROM t01 WHERE t01 MATCH 'b';
  INSERT INTO t01(t01) VALUES('integrity-check');
} {}

finish_test

Changes to test/fts3expr3.test.

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proc balanced_andor_tree {nEntry} {
  set tree [balanced_exprtree_structure $nEntry]
  set node "{[balanced_and_tree $nEntry]}"
  regsub -all AND $node OR node
  regsub -all xxx $tree $node tree
  return $tree
}



# Test that queries like "1 AND 2 AND 3 AND 4..." are transformed to 
# balanced trees by FTS.
#
for {set i 1} {$i < 100} {incr i} {
  do_test 1.$i {
    test_fts3expr2 [random_and_query $i]
................................................................................
set query [random_andor_query 12]
set result [balanced_andor_tree 12]
do_faultsim_test fts3expr3-fault-1 -faults oom-* -body {
  test_fts3expr2 $::query
} -test {
  faultsim_test_result [list 0 $::result]
}































set sqlite_fts3_enable_parentheses 0
finish_test







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proc balanced_andor_tree {nEntry} {
  set tree [balanced_exprtree_structure $nEntry]
  set node "{[balanced_and_tree $nEntry]}"
  regsub -all AND $node OR node
  regsub -all xxx $tree $node tree
  return $tree
}

if 1 {

# Test that queries like "1 AND 2 AND 3 AND 4..." are transformed to 
# balanced trees by FTS.
#
for {set i 1} {$i < 100} {incr i} {
  do_test 1.$i {
    test_fts3expr2 [random_and_query $i]
................................................................................
set query [random_andor_query 12]
set result [balanced_andor_tree 12]
do_faultsim_test fts3expr3-fault-1 -faults oom-* -body {
  test_fts3expr2 $::query
} -test {
  faultsim_test_result [list 0 $::result]
}

}

#-------------------------------------------------------------------

foreach {tn expr res} {
  1 {1 OR 2 OR 3 OR 4}           {OR {OR {P 1} {P 2}} {OR {P 3} {P 4}}} 
  2 {1 OR (2 AND 3 AND 4 AND 5)} 
    {OR {P 1} {AND {AND {P 2} {P 3}} {AND {P 4} {P 5}}}}
  3 {(2 AND 3 AND 4 AND 5) OR 1} 
    {OR {AND {AND {P 2} {P 3}} {AND {P 4} {P 5}}} {P 1}}

  4 {1 AND (2 OR 3 OR 4 OR 5)} 
    {AND {P 1} {OR {OR {P 2} {P 3}} {OR {P 4} {P 5}}}}
  5 {(2 OR 3 OR 4 OR 5) AND 1} 
    {AND {OR {OR {P 2} {P 3}} {OR {P 4} {P 5}}} {P 1}}

  6 {(2 OR 3 OR 4 OR 5) NOT 1} 
    {NOT {OR {OR {P 2} {P 3}} {OR {P 4} {P 5}}} {P 1}}

  7 {1 NOT (2 OR 3 OR 4 OR 5)} 
    {NOT {P 1} {OR {OR {P 2} {P 3}} {OR {P 4} {P 5}}}}

  8 {(1 OR 2 OR 3 OR 4) NOT (5 AND 6 AND 7 AND 8)}
    {NOT {OR {OR {P 1} {P 2}} {OR {P 3} {P 4}}} {AND {AND {P 5} {P 6}} {AND {P 7} {P 8}}}}
} {
  do_test 5.1.$tn {
    test_fts3expr2 $expr
  } $res
}

set sqlite_fts3_enable_parentheses 0
finish_test

Added test/fts4onepass.test.







































































































































































































































































































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# 2015 Sep 27
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#*************************************************************************
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/fts3_common.tcl
set ::testprefix fts4onepass

# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts3 {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE ft USING fts3;
  INSERT INTO ft(rowid, content) VALUES(1, '1 2 3');
  INSERT INTO ft(rowid, content) VALUES(2, '4 5 6');
  INSERT INTO ft(rowid, content) VALUES(3, '7 8 9');
}

#-------------------------------------------------------------------------
# Check that UPDATE and DELETE statements that feature "WHERE rowid=?" or 
# or "WHERE docid=?" clauses do not use statement journals. But that other
# DELETE and UPDATE statements do.
#
# Note: "MATCH ? AND docid=?" does use a statement journal.
#
foreach {tn sql uses} {
  1.1 { DELETE FROM ft } 1
  1.2 { DELETE FROM ft WHERE docid=? } 0
  1.3 { DELETE FROM ft WHERE rowid=? } 0
  1.4 { DELETE FROM ft WHERE ft MATCH '1' } 1
  1.5 { DELETE FROM ft WHERE ft MATCH '1' AND docid=? } 1
  1.6 { DELETE FROM ft WHERE ft MATCH '1' AND rowid=? } 1

  2.1 { UPDATE ft SET content='a b c' } 1
  2.2 { UPDATE ft SET content='a b c' WHERE docid=? } 0
  2.3 { UPDATE ft SET content='a b c' WHERE rowid=? } 0
  2.4 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' } 1
  2.5 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' AND docid=? } 1
  2.6 { UPDATE ft SET content='a b c' WHERE ft MATCH '1' AND rowid=? } 1
} {
  do_test 1.$tn { sql_uses_stmt db $sql } $uses
}

#-------------------------------------------------------------------------
# Check that putting a "DELETE/UPDATE ... WHERE rowid=?" statement in a
# trigger program does not prevent the VM from using a statement 
# transaction. Even if the calling statement cannot hit a constraint.
#
do_execsql_test 2.0 {
  CREATE TABLE t1(x);

  CREATE TRIGGER t1_ai AFTER INSERT ON t1 BEGIN
    DELETE FROM ft WHERE rowid=new.x;
  END;

  CREATE TRIGGER t1_ad AFTER DELETE ON t1 BEGIN
    UPDATE ft SET content = 'a b c' WHERE rowid=old.x;
  END;

  CREATE TRIGGER t1_bu BEFORE UPDATE ON t1 BEGIN
    DELETE FROM ft WHERE rowid=old.x;
  END;
}

foreach {tn sql uses} {
  1 { INSERT INTO t1 VALUES(1)      } 1
  2 { DELETE FROM t1 WHERE x=4      } 1
  3 { UPDATE t1 SET x=10 WHERE x=11 } 1
} {
  do_test 2.$tn { sql_uses_stmt db $sql } $uses
}

#-------------------------------------------------------------------------
# Test that an "UPDATE ... WHERE rowid=?" works and does not corrupt the
# index when it strikes a constraint. Both inside and outside a 
# transaction.
#
foreach {tn tcl1 tcl2}  {
  1 {} {}

  2 {
    execsql BEGIN
  } {
    if {[sqlite3_get_autocommit db]==1} { error "transaction rolled back!" }
    execsql COMMIT
  }
} {

  do_execsql_test 3.$tn.0 {
    DROP TABLE IF EXISTS ft2;
    CREATE VIRTUAL TABLE ft2 USING fts4;
    INSERT INTO ft2(rowid, content) VALUES(1, 'a b c');
    INSERT INTO ft2(rowid, content) VALUES(2, 'a b d');
    INSERT INTO ft2(rowid, content) VALUES(3, 'a b e');
  }

  eval $tcl1
  foreach {tn2 sql content} {
    1 { UPDATE ft2 SET docid=2 WHERE docid=1 }
      { 1 {a b c} 2 {a b d} 3 {a b e} }

    2 { 
      INSERT INTO ft2(rowid, content) VALUES(4, 'a b f');
      UPDATE ft2 SET docid=5 WHERE docid=4;
      UPDATE ft2 SET docid=3 WHERE docid=5;
    } { 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    3 {
      UPDATE ft2 SET docid=3 WHERE docid=4;           -- matches 0 rows
      UPDATE ft2 SET docid=2 WHERE docid=3;
    } { 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    4 {
      INSERT INTO ft2(rowid, content) VALUES(4, 'a b g');
      UPDATE ft2 SET docid=-1 WHERE docid=4;
      UPDATE ft2 SET docid=3 WHERE docid=-1;
    } {-1 {a b g} 1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }

    5 {
      DELETE FROM ft2 WHERE rowid=451;
      DELETE FROM ft2 WHERE rowid=-1;
      UPDATE ft2 SET docid = 2 WHERE docid = 1;
    } {1 {a b c} 2 {a b d} 3 {a b e} 5 {a b f} }
  } {
    do_catchsql_test 3.$tn.$tn2.a $sql {1 {constraint failed}}
    do_execsql_test  3.$tn.$tn2.b { SELECT rowid, content FROM ft2 } $content
    do_execsql_test  3.$tn.$tn2.c { 
      INSERT INTO ft2(ft2) VALUES('integrity-check');
    }
  }
  eval $tcl2
}

finish_test

Changes to test/fuzzcheck.c.

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      g.pFirstDb->seq = 0;
      g.nDb = 1;
      sqlFuzz = 1;
    }
  
    /* Print the description, if there is one */
    if( !quietFlag ){
      int i;
      zDbName = azSrcDb[iSrcDb];
      i = strlen(zDbName) - 1;
      while( i>0 && zDbName[i-1]!='/' && zDbName[i-1]!='\\' ){ i--; }
      zDbName += i;
      sqlite3_prepare_v2(db, "SELECT msg FROM readme", -1, &pStmt, 0);
      if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
        printf("%s: %s\n", zDbName, sqlite3_column_text(pStmt,0));
................................................................................
        openFlags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE;
        if( nativeFlag && pDb->sz==0 ){
          openFlags |= SQLITE_OPEN_MEMORY;
          zVfs = 0;
        }
        rc = sqlite3_open_v2("main.db", &db, openFlags, zVfs);
        if( rc ) fatalError("cannot open inmem database");
#ifdef SQLITE_ENABLE_JSON1
        {
          extern int sqlite3_json_init(sqlite3*);
          sqlite3_json_init(db);
        }
#endif
        if( cellSzCkFlag ) runSql(db, "PRAGMA cell_size_check=ON", runFlags);
        setAlarm(iTimeout);
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
        if( sqlFuzz || vdbeLimitFlag ){
          sqlite3_progress_handler(db, 100000, progressHandler, &vdbeLimitFlag);
        }
#endif







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      g.pFirstDb->seq = 0;
      g.nDb = 1;
      sqlFuzz = 1;
    }
  
    /* Print the description, if there is one */
    if( !quietFlag ){

      zDbName = azSrcDb[iSrcDb];
      i = strlen(zDbName) - 1;
      while( i>0 && zDbName[i-1]!='/' && zDbName[i-1]!='\\' ){ i--; }
      zDbName += i;
      sqlite3_prepare_v2(db, "SELECT msg FROM readme", -1, &pStmt, 0);
      if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
        printf("%s: %s\n", zDbName, sqlite3_column_text(pStmt,0));
................................................................................
        openFlags = SQLITE_OPEN_CREATE | SQLITE_OPEN_READWRITE;
        if( nativeFlag && pDb->sz==0 ){
          openFlags |= SQLITE_OPEN_MEMORY;
          zVfs = 0;
        }
        rc = sqlite3_open_v2("main.db", &db, openFlags, zVfs);
        if( rc ) fatalError("cannot open inmem database");






        if( cellSzCkFlag ) runSql(db, "PRAGMA cell_size_check=ON", runFlags);
        setAlarm(iTimeout);
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
        if( sqlFuzz || vdbeLimitFlag ){
          sqlite3_progress_handler(db, 100000, progressHandler, &vdbeLimitFlag);
        }
#endif

Changes to test/fuzzdata3.db.

cannot compute difference between binary files

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} {1 1 1}
do_execsql_test indexexpr1-160eqp {
  EXPLAIN QUERY PLAN
  SELECT rowid, b, c FROM t1
   WHERE substr(a,27,3)=='ord' AND d>=29;
} {/USING INDEX t1a2/}



















do_execsql_test indexexpr1-200 {
  DROP TABLE t1;
  CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
  INSERT INTO t1(id,a,b,c)
  VALUES(1,'In_the_beginning_was_the_Word',1,1),
        (2,'and_the_Word_was_with_God',1,2),
................................................................................
do_execsql_test indexexpr1-400 {
  CREATE TABLE t3(a,b,c);
  WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
  INSERT INTO t3(a,b,c)
    SELECT x, printf('ab%04xyz',x), random() FROM c;
  CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
  SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;

} {1 10}
do_catchsql_test indexexpr1-410 {
  INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
} {1 {UNIQUE constraint failed: index 't3abc'}}

do_execsql_test indexexpr1-500 {
  CREATE TABLE t5(a);
  CREATE TABLE cnt(x);
................................................................................
  CREATE INDEX t72yz ON t72(y+z);
  INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
  INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
  SELECT a, x, '|' FROM t71, t72
   WHERE b+c=y+z
  ORDER BY +a, +x;
} {1 1 | 2 2 |}




































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} {1 1 1}
do_execsql_test indexexpr1-160eqp {
  EXPLAIN QUERY PLAN
  SELECT rowid, b, c FROM t1
   WHERE substr(a,27,3)=='ord' AND d>=29;
} {/USING INDEX t1a2/}

# ORDER BY using an indexed expression
#
do_execsql_test indexexpr1-170 {
  CREATE INDEX t1alen ON t1(length(a));
  SELECT length(a) FROM t1 ORDER BY length(a);
} {20 25 27 29 38 52}
do_execsql_test indexexpr1-170eqp {
  EXPLAIN QUERY PLAN
  SELECT length(a) FROM t1 ORDER BY length(a);
} {/SCAN TABLE t1 USING INDEX t1alen/}
do_execsql_test indexexpr1-171 {
  SELECT length(a) FROM t1 ORDER BY length(a) DESC;
} {52 38 29 27 25 20}
do_execsql_test indexexpr1-171eqp {
  EXPLAIN QUERY PLAN
  SELECT length(a) FROM t1 ORDER BY length(a) DESC;
} {/SCAN TABLE t1 USING INDEX t1alen/}

do_execsql_test indexexpr1-200 {
  DROP TABLE t1;
  CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
  INSERT INTO t1(id,a,b,c)
  VALUES(1,'In_the_beginning_was_the_Word',1,1),
        (2,'and_the_Word_was_with_God',1,2),
................................................................................
do_execsql_test indexexpr1-400 {
  CREATE TABLE t3(a,b,c);
  WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
  INSERT INTO t3(a,b,c)
    SELECT x, printf('ab%04xyz',x), random() FROM c;
  CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
  SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;
  PRAGMA integrity_check;
} {1 10 ok}
do_catchsql_test indexexpr1-410 {
  INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
} {1 {UNIQUE constraint failed: index 't3abc'}}

do_execsql_test indexexpr1-500 {
  CREATE TABLE t5(a);
  CREATE TABLE cnt(x);
................................................................................
  CREATE INDEX t72yz ON t72(y+z);
  INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
  INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
  SELECT a, x, '|' FROM t71, t72
   WHERE b+c=y+z
  ORDER BY +a, +x;
} {1 1 | 2 2 |}

# Collating sequences on indexes of expressions
#
do_execsql_test indexexpr1-800 {
  DROP TABLE IF EXISTS t8;
  CREATE TABLE t8(a INTEGER PRIMARY KEY, b TEXT);
  CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE nocase);
  INSERT INTO t8(a,b) VALUES(1,'Alice'),(2,'Bartholemew'),(3,'Cynthia');
  SELECT * FROM t8 WHERE substr(b,2,4)='ARTH' COLLATE nocase;
} {2 Bartholemew}
do_catchsql_test indexexpr1-810 {
  INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
} {1 {UNIQUE constraint failed: index 't8bx'}}
do_catchsql_test indexexpr1-820 {
  DROP INDEX t8bx;
  CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim);
  INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
} {0 {}}

# Check that PRAGMA integrity_check works correctly on a
# UNIQUE index that includes rowid and expression terms.
#
do_execsql_test indexexpr1-900 {
  CREATE TABLE t9(a,b,c,d);
  CREATE UNIQUE INDEX t9x1 ON t9(c,abs(d),b);
  INSERT INTO t9(rowid,a,b,c,d) VALUES(1,2,3,4,5);
  INSERT INTO t9(rowid,a,b,c,d) VALUES(2,NULL,NULL,NULL,NULL);
  INSERT INTO t9(rowid,a,b,c,d) VALUES(3,NULL,NULL,NULL,NULL);
  INSERT INTO t9(rowid,a,b,c,d) VALUES(4,5,6,7,8);
  PRAGMA integrity_check;
} {ok}
do_catchsql_test indexexpr1-910 {
  INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8);
} {1 {UNIQUE constraint failed: index 't9x1'}}


finish_test

Changes to test/json101.test.

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# This file implements tests for JSON SQL functions extension to the
# SQLite library.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db json




do_execsql_test json101-1.1.00 {
  SELECT json_array(1,2.5,null,'hello');
} {[1,2.5,null,"hello"]}
do_execsql_test json101-1.1.01 {
  SELECT json_array(1,'{"abc":2.5,"def":null,"ghi":hello}',99);
  -- the second term goes in as a string:
} {[1,"{\\"abc\\":2.5,\\"def\\":null,\\"ghi\\":hello}",99]}







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# This file implements tests for JSON SQL functions extension to the
# SQLite library.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !json1 {
  finish_test
  return
}

do_execsql_test json101-1.1.00 {
  SELECT json_array(1,2.5,null,'hello');
} {[1,2.5,null,"hello"]}
do_execsql_test json101-1.1.01 {
  SELECT json_array(1,'{"abc":2.5,"def":null,"ghi":hello}',99);
  -- the second term goes in as a string:
} {[1,"{\\"abc\\":2.5,\\"def\\":null,\\"ghi\\":hello}",99]}

Changes to test/json102.test.

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# This file contains tests automatically generated from the json1
# documentation.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db json




do_execsql_test json102-100 {
  SELECT json_object('ex','[52,3.14159]');
} {{{"ex":"[52,3.14159]"}}}
do_execsql_test json102-110 {
  SELECT json_object('ex',json('[52,3.14159]'));
} {{{"ex":[52,3.14159]}}}
do_execsql_test json102-120 {







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# This file contains tests automatically generated from the json1
# documentation.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !json1 {
  finish_test
  return
}

do_execsql_test json102-100 {
  SELECT json_object('ex','[52,3.14159]');
} {{{"ex":"[52,3.14159]"}}}
do_execsql_test json102-110 {
  SELECT json_object('ex',json('[52,3.14159]'));
} {{{"ex":[52,3.14159]}}}
do_execsql_test json102-120 {

Added test/offset1.test.



































































































































































































































































































































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# 2015-10-06
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# 
# This file implements test cases for the [b65cb2c8d91f6685841d7d1e13b6]
# bug:  Correct handling of LIMIT and OFFSET on a UNION ALL query where
# the right-hand SELECT contains an ORDER BY in a subquery.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !compound {
  finish_test
  return
}

do_execsql_test offset1-1.1 {
  CREATE TABLE t1(a,b);
  INSERT INTO t1 VALUES(1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
  CREATE TABLE t2(x,y);
  INSERT INTO t2 VALUES(8,'y'),(9,'z'),(6,'w'),(7,'x');
  SELECT count(*) FROM t1, t2;
} {20}

do_execsql_test offset1-1.2.0 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 0;
} {1 a 2 b 3 c}
do_execsql_test offset1-1.2.1 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 1;
} {2 b 3 c 4 d}
do_execsql_test offset1-1.2.2 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 2;
} {3 c 4 d 5 e}
do_execsql_test offset1-1.2.3 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 3;
} {4 d 5 e 6 w}
do_execsql_test offset1-1.2.4 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 4;
} {5 e 6 w 7 x}
do_execsql_test offset1-1.2.5 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 5;
} {6 w 7 x 8 y}
do_execsql_test offset1-1.2.6 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 6;
} {7 x 8 y 9 z}
do_execsql_test offset1-1.2.7 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 7;
} {8 y 9 z}
do_execsql_test offset1-1.2.8 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 8;
} {9 z}
do_execsql_test offset1-1.2.9 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 9;
} {}

do_execsql_test offset1-1.3.0 {
  SELECT * FROM t1 LIMIT 0;
} {}

do_execsql_test offset1-1.4.0 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 0 OFFSET 1;
} {}
do_execsql_test offset1-1.4.1 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 1 OFFSET 1;
} {2 b}
do_execsql_test offset1-1.4.2 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 2 OFFSET 1;
} {2 b 3 c}
do_execsql_test offset1-1.4.3 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 3 OFFSET 1;
} {2 b 3 c 4 d}
do_execsql_test offset1-1.4.4 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 4 OFFSET 1;
} {2 b 3 c 4 d 5 e}
do_execsql_test offset1-1.4.5 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 5 OFFSET 1;
} {2 b 3 c 4 d 5 e 6 w}
do_execsql_test offset1-1.4.6 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 6 OFFSET 1;
} {2 b 3 c 4 d 5 e 6 w 7 x}
do_execsql_test offset1-1.4.7 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 7 OFFSET 1;
} {2 b 3 c 4 d 5 e 6 w 7 x 8 y}
do_execsql_test offset1-1.4.8 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 8 OFFSET 1;
} {2 b 3 c 4 d 5 e 6 w 7 x 8 y 9 z}
do_execsql_test offset1-1.4.9 {
  SELECT a, b FROM t1
  UNION ALL
  SELECT * FROM (SELECT x, y FROM t2 ORDER BY y)
  LIMIT 9 OFFSET 1;
} {2 b 3 c 4 d 5 e 6 w 7 x 8 y 9 z}



finish_test

Changes to test/releasetest.tcl.

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    -DSQLITE_SOUNDEX=1
  }
  "Update-Delete-Limit" {
    -O2
    -DSQLITE_DEFAULT_FILE_FORMAT=4
    -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT=1
    -DSQLITE_ENABLE_STMT_SCANSTATUS

  }
  "Check-Symbols" {
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_ENABLE_FTS3_PARENTHESIS=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1
................................................................................
    -DSQLITE_SECURE_DELETE=1
    -DSQLITE_SOUNDEX=1
    -DSQLITE_ENABLE_ATOMIC_WRITE=1
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_STMT_SCANSTATUS

  }
  "Debug-One" {
    --disable-shared
    -O2
    -DSQLITE_DEBUG=1
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_MUTEX_NOOP=1
................................................................................
    -DSQLITE_ENABLE_IOTRACE=1
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_MAX_PAGE_SIZE=4096
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_OMIT_PROGRESS_CALLBACK=1
    -DSQLITE_OMIT_VIRTUALTABLE=1
    -DSQLITE_TEMP_STORE=3

  }
  "Device-Two" {
    -DSQLITE_4_BYTE_ALIGNED_MALLOC=1
    -DSQLITE_DEFAULT_AUTOVACUUM=1
    -DSQLITE_DEFAULT_CACHE_SIZE=1000
    -DSQLITE_DEFAULT_LOCKING_MODE=0
    -DSQLITE_DEFAULT_PAGE_SIZE=1024
................................................................................
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_MAX_COMPOUND_SELECT=50
    -DSQLITE_MAX_PAGE_SIZE=32768
    -DSQLITE_OMIT_TRACE=1
    -DSQLITE_TEMP_STORE=3
    -DSQLITE_THREADSAFE=2

  }
  "Locking-Style" {
    -O2
    -DSQLITE_ENABLE_LOCKING_STYLE=1
  }
  "OS-X" {
    -O1   # Avoid a compiler bug in gcc 4.2.1 build 5658
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_DEFAULT_MEMSTATUS=0
    -DSQLITE_THREADSAFE=2
    -DSQLITE_OS_UNIX=1

    -DSQLITE_ENABLE_LOCKING_STYLE=1
    -DUSE_PREAD=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_FTS3_PARENTHESIS=1
    -DSQLITE_DEFAULT_CACHE_SIZE=1000
    -DSQLITE_MAX_LENGTH=2147483645
    -DSQLITE_MAX_VARIABLE_NUMBER=500000
    -DSQLITE_DEBUG=1
    -DSQLITE_PREFER_PROXY_LOCKING=1
    -DSQLITE_ENABLE_API_ARMOR=1

  }
  "Extra-Robustness" {
    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_MAX_ATTACHED=62
  }
  "Devkit" {
    -DSQLITE_DEFAULT_FILE_FORMAT=4
    -DSQLITE_MAX_ATTACHED=30
    -DSQLITE_ENABLE_COLUMN_METADATA
    -DSQLITE_ENABLE_FTS4
    -DSQLITE_ENABLE_FTS4_PARENTHESIS
    -DSQLITE_DISABLE_FTS4_DEFERRED
    -DSQLITE_ENABLE_RTREE

  }
  "No-lookaside" {
    -DSQLITE_TEST_REALLOC_STRESS=1
    -DSQLITE_OMIT_LOOKASIDE=1
    -DHAVE_USLEEP=1
  }
  "Valgrind" {
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_FTS4
    -DSQLITE_ENABLE_RTREE

  }

  # The next group of configurations are used only by the
  # Failure-Detection platform.  They are all the same, but we need
  # different names for them all so that they results appear in separate
  # subdirectories.
  #







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    -DSQLITE_SOUNDEX=1
  }
  "Update-Delete-Limit" {
    -O2
    -DSQLITE_DEFAULT_FILE_FORMAT=4
    -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT=1
    -DSQLITE_ENABLE_STMT_SCANSTATUS
    --enable-json1
  }
  "Check-Symbols" {
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_ENABLE_FTS3_PARENTHESIS=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1
................................................................................
    -DSQLITE_SECURE_DELETE=1
    -DSQLITE_SOUNDEX=1
    -DSQLITE_ENABLE_ATOMIC_WRITE=1
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_STMT_SCANSTATUS
    --enable-json1 --enable-fts5
  }
  "Debug-One" {
    --disable-shared
    -O2
    -DSQLITE_DEBUG=1
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_MUTEX_NOOP=1
................................................................................
    -DSQLITE_ENABLE_IOTRACE=1
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_MAX_PAGE_SIZE=4096
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_OMIT_PROGRESS_CALLBACK=1
    -DSQLITE_OMIT_VIRTUALTABLE=1
    -DSQLITE_TEMP_STORE=3
    --enable-json1
  }
  "Device-Two" {
    -DSQLITE_4_BYTE_ALIGNED_MALLOC=1
    -DSQLITE_DEFAULT_AUTOVACUUM=1
    -DSQLITE_DEFAULT_CACHE_SIZE=1000
    -DSQLITE_DEFAULT_LOCKING_MODE=0
    -DSQLITE_DEFAULT_PAGE_SIZE=1024
................................................................................
    -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_MAX_COMPOUND_SELECT=50
    -DSQLITE_MAX_PAGE_SIZE=32768
    -DSQLITE_OMIT_TRACE=1
    -DSQLITE_TEMP_STORE=3
    -DSQLITE_THREADSAFE=2
    --enable-json1 --enable-fts5
  }
  "Locking-Style" {
    -O2
    -DSQLITE_ENABLE_LOCKING_STYLE=1
  }
  "OS-X" {
    -O1   # Avoid a compiler bug in gcc 4.2.1 build 5658
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_DEFAULT_MEMSTATUS=0
    -DSQLITE_THREADSAFE=2
    -DSQLITE_OS_UNIX=1
    -DSQLITE_ENABLE_JSON1=1
    -DSQLITE_ENABLE_LOCKING_STYLE=1
    -DUSE_PREAD=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_FTS3_PARENTHESIS=1
    -DSQLITE_DEFAULT_CACHE_SIZE=1000
    -DSQLITE_MAX_LENGTH=2147483645
    -DSQLITE_MAX_VARIABLE_NUMBER=500000
    -DSQLITE_DEBUG=1
    -DSQLITE_PREFER_PROXY_LOCKING=1
    -DSQLITE_ENABLE_API_ARMOR=1
    --enable-json1 --enable-fts5
  }
  "Extra-Robustness" {
    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_MAX_ATTACHED=62
  }
  "Devkit" {
    -DSQLITE_DEFAULT_FILE_FORMAT=4
    -DSQLITE_MAX_ATTACHED=30
    -DSQLITE_ENABLE_COLUMN_METADATA
    -DSQLITE_ENABLE_FTS4
    -DSQLITE_ENABLE_FTS4_PARENTHESIS
    -DSQLITE_DISABLE_FTS4_DEFERRED
    -DSQLITE_ENABLE_RTREE
    --enable-json1 --enable-fts5
  }
  "No-lookaside" {
    -DSQLITE_TEST_REALLOC_STRESS=1
    -DSQLITE_OMIT_LOOKASIDE=1
    -DHAVE_USLEEP=1
  }
  "Valgrind" {
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_FTS4
    -DSQLITE_ENABLE_RTREE
    --enable-json1
  }

  # The next group of configurations are used only by the
  # Failure-Detection platform.  They are all the same, but we need
  # different names for them all so that they results appear in separate
  # subdirectories.
  #

Changes to test/spellfix2.test.

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  WHERE word MATCH 'amstedam*' AND distance <= 100 AND top=20;
} {
  32 20
}

do_execsql_test 1.6 {
  SELECT word, distance, matchlen FROM demo 
  WHERE word MATCH 'amstedam*' AND distance <= 100;

} {
  amsterdam         100 9        amsterdamh        100 9
  amsterdamm        100 9        amsterdamn        100 9
  amsterdama        100 9        amsterdame        100 9
  amsterdami        100 9        amsterdamo        100 9
  amsterdamu        100 9        amsterdamy        100 9
  amsterdammetje    100 9        amsterdamania     100 9
  amsterdamb        100 9        amsterdamf        100 9
  amsterdamp        100 9        amsterdamv        100 9
  amsterdamw        100 9        amsterdamweg      100 9
  amsterdamc        100 9        amsterdamg        100 9
  amsterdamj        100 9        amsterdamk        100 9
  amsterdamq        100 9        amsterdams        100 9
  amsterdamx        100 9        amsterdamz        100 9
  amsterdamsestraat 100 9        amsterdamd        100 9
  amsterdamt        100 9        amsterdaml        100 9
  amsterdamlaan     100 9        amsterdamr        100 9
}

do_execsql_test 1.7 {
  SELECT word, distance, matchlen FROM demo 
  WHERE word MATCH 'amstedam*' AND distance <= 100 AND top=20;

} {
  amsterdam         100 9        amsterdamh        100 9
  amsterdamm        100 9        amsterdamn        100 9
  amsterdama        100 9        amsterdame        100 9
  amsterdami        100 9        amsterdamo        100 9
  amsterdamu        100 9        amsterdamy        100 9
  amsterdammetje    100 9        amsterdamania     100 9
  amsterdamb        100 9        amsterdamf        100 9
  amsterdamp        100 9        amsterdamv        100 9
  amsterdamw        100 9        amsterdamweg      100 9
  amsterdamc        100 9        amsterdamg        100 9
}


finish_test







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  WHERE word MATCH 'amstedam*' AND distance <= 100 AND top=20;
} {
  32 20
}

do_execsql_test 1.6 {
  SELECT word, distance, matchlen FROM demo 
  WHERE word MATCH 'amstedam*' AND distance <= 100
  ORDER BY distance, word;
} {
  amsterdam         100 9        amsterdama        100 9
  amsterdamania     100 9        amsterdamb        100 9
  amsterdamc        100 9        amsterdamd        100 9
  amsterdame        100 9        amsterdamf        100 9
  amsterdamg        100 9        amsterdamh        100 9
  amsterdami        100 9        amsterdamj        100 9
  amsterdamk        100 9        amsterdaml        100 9
  amsterdamlaan     100 9        amsterdamm        100 9
  amsterdammetje    100 9        amsterdamn        100 9
  amsterdamo        100 9        amsterdamp        100 9
  amsterdamq        100 9        amsterdamr        100 9
  amsterdams        100 9        amsterdamsestraat 100 9
  amsterdamt        100 9        amsterdamu        100 9
  amsterdamv        100 9        amsterdamw        100 9
  amsterdamweg      100 9        amsterdamx        100 9
  amsterdamy        100 9        amsterdamz        100 9
}

do_execsql_test 1.7 {
  SELECT word, distance, matchlen FROM demo 
  WHERE word MATCH 'amstedam*' AND distance <= 100 AND top=20
  ORDER BY distance, word;
} {
  amsterdam         100 9        amsterdama        100 9
  amsterdamania     100 9        amsterdamb        100 9
  amsterdamc        100 9        amsterdame        100 9
  amsterdamf        100 9        amsterdamg        100 9
  amsterdamh        100 9        amsterdami        100 9
  amsterdamm        100 9        amsterdammetje    100 9
  amsterdamn        100 9        amsterdamo        100 9
  amsterdamp        100 9        amsterdamu        100 9
  amsterdamv        100 9        amsterdamw        100 9
  amsterdamweg      100 9        amsterdamy        100 9
}


finish_test

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} {1 {'v2' is not a function}}

do_execsql_test tabfunc01-2.1 {
  CREATE TABLE t1(x);
  INSERT INTO t1(x) VALUES(2),(3);
  SELECT *, '|' FROM t1, generate_series(1,x) ORDER BY 1, 2
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}





do_execsql_test tabfunc01-2.2 {
  SELECT * FROM generate_series() LIMIT 5;
} {0 1 2 3 4}

do_execsql_test tabfunc01-3.1 {
  SELECT DISTINCT value FROM generate_series(1,x), t1 ORDER BY 1;
} {1 2 3}








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} {1 {'v2' is not a function}}

do_execsql_test tabfunc01-2.1 {
  CREATE TABLE t1(x);
  INSERT INTO t1(x) VALUES(2),(3);
  SELECT *, '|' FROM t1, generate_series(1,x) ORDER BY 1, 2
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}
do_execsql_test tabfunc01-2.2 {
  SELECT *, '|' FROM (SELECT x FROM t1) AS y, generate_series(1,y.x)
  ORDER BY 1, 2;
} {2 1 | 2 2 | 3 1 | 3 2 | 3 3 |}

do_execsql_test tabfunc01-2.50 {
  SELECT * FROM generate_series() LIMIT 5;
} {0 1 2 3 4}

do_execsql_test tabfunc01-3.1 {
  SELECT DISTINCT value FROM generate_series(1,x), t1 ORDER BY 1;
} {1 2 3}

Changes to test/uri.test.

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    #
    # NOTE: Due to limits on legal characters for file names imposed by
    #       Windows, we must skip the final two tests here (i.e. the
    #       question mark is illegal in a file name on Windows).
    #
    if {$tn>14} break









    #
    # NOTE: On Windows, we need to account for the fact that the current
    #       directory does not start with a forward slash.
    #
    set uri  [string map [list PWD/ /[test_pwd /]] $uri]
  } else {
    set uri  [string map [list PWD/ [test_pwd /]] $uri]







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    #
    # NOTE: Due to limits on legal characters for file names imposed by
    #       Windows, we must skip the final two tests here (i.e. the
    #       question mark is illegal in a file name on Windows).
    #
    if {$tn>14} break

    #
    # NOTE: When running on Tcl 8.6 (or higher?) on Windows, a colon within
    #       the file name no longer tries to access an alternate data stream
    #       (ADS) named "test.db" for the "http" file, causing some spurious
    #       failures of this test.
    #
    if {$tn==12 && $::tcl_version>=8.6} continue

    #
    # NOTE: On Windows, we need to account for the fact that the current
    #       directory does not start with a forward slash.
    #
    set uri  [string map [list PWD/ /[test_pwd /]] $uri]
  } else {
    set uri  [string map [list PWD/ [test_pwd /]] $uri]

Changes to test/view.test.

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    CREATE VIEW v1c(x,y,z) AS SELECT a, b+c, c-b FROM t1;
    SELECT * FROM v1c LIMIT 1;
  }
} {x 2 y 7 z 1}
do_catchsql_test view-3.3.4 {
  CREATE VIEW v1err(x,y DESC,z) AS SELECT a, b+c, c-b FROM t1;
} {1 {syntax error after column name "y"}}











ifcapable compound {
do_test  view-3.4 {
  execsql2 {
    CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
    SELECT * FROM v3 LIMIT 4;
  }
................................................................................
# Ticket #1270:  Do not allow parameters in view definitions.
#
do_test view-12.1 {
  catchsql {
    CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=?
  }
} {1 {parameters are not allowed in views}}






ifcapable attach {
  do_test view-13.1 {
    forcedelete test2.db
    catchsql {
      ATTACH 'test2.db' AS two;
      CREATE TABLE two.t2(x,y);
................................................................................

# Ticket #1658
#
do_test view-14.1 {
  catchsql {
    CREATE TEMP VIEW t1 AS SELECT a,b FROM t1;
    SELECT * FROM temp.t1;







  }
} {1 {view t1 is circularly defined}}

# Tickets #1688, #1709
#
do_test view-15.1 {
  execsql2 {







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    CREATE VIEW v1c(x,y,z) AS SELECT a, b+c, c-b FROM t1;
    SELECT * FROM v1c LIMIT 1;
  }
} {x 2 y 7 z 1}
do_catchsql_test view-3.3.4 {
  CREATE VIEW v1err(x,y DESC,z) AS SELECT a, b+c, c-b FROM t1;
} {1 {syntax error after column name "y"}}
do_catchsql_test view-3.3.5 {
  DROP VIEW IF EXISTS v1err;
  CREATE VIEW v1err(x,y) AS SELECT a, b+c, c-b FROM t1;
  SELECT * FROM v1err;
} {1 {expected 2 columns for 'v1err' but got 3}}
do_catchsql_test view-3.3.6 {
  DROP VIEW IF EXISTS v1err;
  CREATE VIEW v1err(w,x,y,z) AS SELECT a, b+c, c-b FROM t1;
  SELECT * FROM v1err;
} {1 {expected 4 columns for 'v1err' but got 3}}

ifcapable compound {
do_test  view-3.4 {
  execsql2 {
    CREATE VIEW v3 AS SELECT a FROM t1 UNION SELECT b FROM t1 ORDER BY b;
    SELECT * FROM v3 LIMIT 4;
  }
................................................................................
# Ticket #1270:  Do not allow parameters in view definitions.
#
do_test view-12.1 {
  catchsql {
    CREATE VIEW v12 AS SELECT a FROM t1 WHERE b=?
  }
} {1 {parameters are not allowed in views}}
do_test view-12.2 {
  catchsql {
    CREATE VIEW v12(x) AS SELECT a FROM t1 WHERE b=?
  }
} {1 {parameters are not allowed in views}}

ifcapable attach {
  do_test view-13.1 {
    forcedelete test2.db
    catchsql {
      ATTACH 'test2.db' AS two;
      CREATE TABLE two.t2(x,y);
................................................................................

# Ticket #1658
#
do_test view-14.1 {
  catchsql {
    CREATE TEMP VIEW t1 AS SELECT a,b FROM t1;
    SELECT * FROM temp.t1;
  }
} {1 {view t1 is circularly defined}}
do_test view-14.2 {
  catchsql {
    DROP VIEW IF EXISTS temp.t1;
    CREATE TEMP VIEW t1(a,b) AS SELECT a,b FROM t1;
    SELECT * FROM temp.t1;
  }
} {1 {view t1 is circularly defined}}

# Tickets #1688, #1709
#
do_test view-15.1 {
  execsql2 {

Added tool/GetFile.cs.





































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/*
** 2015 October 7
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C# code to download a single file based on a URI.
*/

using System;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;

///////////////////////////////////////////////////////////////////////////////

#region Assembly Metadata
[assembly: AssemblyTitle("GetFile Tool")]
[assembly: AssemblyDescription("Download a single file based on a URI.")]
[assembly: AssemblyCompany("SQLite Development Team")]
[assembly: AssemblyProduct("SQLite")]
[assembly: AssemblyCopyright("Public Domain")]
[assembly: ComVisible(false)]
[assembly: Guid("5c4b3728-1693-4a33-a218-8e6973ca15a6")]
[assembly: AssemblyVersion("1.0.*")]

#if DEBUG
[assembly: AssemblyConfiguration("Debug")]
#else
[assembly: AssemblyConfiguration("Release")]
#endif
#endregion

///////////////////////////////////////////////////////////////////////////////

namespace GetFile
{
    /// <summary>
    /// This enumeration is used to represent all the possible exit codes from
    /// this tool.
    /// </summary>
    internal enum ExitCode
    {
        /// <summary>
        /// The file download was a success.
        /// </summary>
        Success = 0,

        /// <summary>
        /// The command line arguments are missing (i.e. null).  Generally,
        /// this should not happen.
        /// </summary>
        MissingArgs = 1,

        /// <summary>
        /// The wrong number of command line arguments was supplied.
        /// </summary>
        WrongNumArgs = 2,

        /// <summary>
        /// The URI specified on the command line could not be parsed as a
        /// supported absolute URI.
        /// </summary>
        BadUri = 3,

        /// <summary>
        /// The file name portion of the URI specified on the command line
        /// could not be extracted from it.
        /// </summary>
        BadFileName = 4,

        /// <summary>
        /// The temporary directory is either invalid (i.e. null) or does not
        /// represent an available directory.
        /// </summary>
        BadTempPath = 5,

        /// <summary>
        /// An exception was caught in <see cref="Main" />.  Generally, this
        /// should not happen.
        /// </summary>
        Exception = 6,

        /// <summary>
        /// The file download was canceled.  This tool does not make use of
        /// the <see cref="WebClient.CancelAsync" /> method; therefore, this
        /// should not happen.
        /// </summary>
        DownloadCanceled = 7,

        /// <summary>
        /// The file download encountered an error.  Further information about
        /// this error should be displayed on the console.
        /// </summary>
        DownloadError = 8
    }

    ///////////////////////////////////////////////////////////////////////////

    internal static class Program
    {
        #region Private Data
        /// <summary>
        /// This is used to synchronize multithreaded access to the
        /// <see cref="previousPercent" /> and <see cref="exitCode"/>
        /// fields.
        /// </summary>
        private static readonly object syncRoot = new object();

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This event will be signed when the file download has completed,
        /// even if the file download itself was canceled or unsuccessful.
        /// </summary>
        private static EventWaitHandle doneEvent;

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// The previous file download completion percentage seen by the
        /// <see cref="DownloadProgressChanged" /> event handler.  This value
        /// is never decreased, nor is it ever reset to zero.
        /// </summary>
        private static int previousPercent = 0;

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This will be the exit code returned by this tool after the file
        /// download completes, successfully or otherwise.  This value is only
        /// changed by the <see cref="DownloadFileCompleted" /> event handler.
        /// </summary>
        private static ExitCode exitCode = ExitCode.Success;
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Support Methods
        /// <summary>
        /// This method displays an error message to the console and/or
        /// displays the command line usage information for this tool.
        /// </summary>
        /// <param name="message">
        /// The error message to display, if any.
        /// </param>
        /// <param name="usage">
        /// Non-zero to display the command line usage information.
        /// </param>
        private static void Error(
            string message,
            bool usage
            )
        {
            if (message != null)
                Console.WriteLine(message);

            string fileName = Path.GetFileName(
                Process.GetCurrentProcess().MainModule.FileName);

            Console.WriteLine(String.Format("usage: {0} <uri>", fileName));
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method attempts to determine the file name portion of the
        /// specified URI.
        /// </summary>
        /// <param name="uri">
        /// The URI to process.
        /// </param>
        /// <returns>
        /// The file name portion of the specified URI -OR- null if it cannot
        /// be determined.
        /// </returns>
        private static string GetFileName(
            Uri uri
            )
        {
            if (uri == null)
                return null;

            string pathAndQuery = uri.PathAndQuery;

            if (String.IsNullOrEmpty(pathAndQuery))
                return null;

            int index = pathAndQuery.LastIndexOf('/');

            if ((index < 0) || (index == pathAndQuery.Length))
                return null;

            return pathAndQuery.Substring(index + 1);
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Event Handlers
        /// <summary>
        /// This method is an event handler that is called when the file
        /// download completion percentage changes.  It will display progress
        /// on the console.  Special care is taken to make sure that progress
        /// events are not displayed out-of-order, even if duplicate and/or
        /// out-of-order events are received.
        /// </summary>
        /// <param name="sender">
        /// The source of the event.
        /// </param>
        /// <param name="e">
        /// Information for the event being processed.
        /// </param>
        private static void DownloadProgressChanged(
            object sender,
            DownloadProgressChangedEventArgs e
            )
        {
            if (e != null)
            {
                int percent = e.ProgressPercentage;

                lock (syncRoot)
                {
                    if (percent > previousPercent)
                    {
                        Console.Write('.');

                        if ((percent % 10) == 0)
                            Console.Write(" {0}% ", percent);

                        previousPercent = percent;
                    }
                }
            }
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method is an event handler that is called when the file
        /// download has completed, successfully or otherwise.  It will
        /// display the overall result of the file download on the console,
        /// including any <see cref="Exception" /> information, if applicable.
        /// The <see cref="exitCode" /> field is changed by this method to
        /// indicate the overall result of the file download and the event
        /// within the <see cref="doneEvent" /> field will be signaled.
        /// </summary>
        /// <param name="sender">
        /// The source of the event.
        /// </param>
        /// <param name="e">
        /// Information for the event being processed.
        /// </param>
        private static void DownloadFileCompleted(
            object sender,
            AsyncCompletedEventArgs e
            )
        {
            if (e != null)
            {
                lock (syncRoot)
                {
                    if (previousPercent < 100)
                        Console.Write(' ');
                }

                if (e.Cancelled)
                {
                    Console.WriteLine("Canceled");

                    lock (syncRoot)
                    {
                        exitCode = ExitCode.DownloadCanceled;
                    }
                }
                else
                {
                    Exception error = e.Error;

                    if (error != null)
                    {
                        Console.WriteLine("Error: {0}", error);

                        lock (syncRoot)
                        {
                            exitCode = ExitCode.DownloadError;
                        }
                    }
                    else
                    {
                        Console.WriteLine("Done");
                    }
                }
            }

            if (doneEvent != null)
                doneEvent.Set();
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Program Entry Point
        /// <summary>
        /// This is the entry-point for this tool.  It handles processing the
        /// command line arguments, setting up the web client, downloading the
        /// file, and saving it to the file system.
        /// </summary>
        /// <param name="args">
        /// The command line arguments.
        /// </param>
        /// <returns>
        /// Zero upon success; non-zero on failure.  This will be one of the
        /// values from the <see cref="ExitCode" /> enumeration.
        /// </returns>
        private static int Main(
            string[] args
            )
        {
            //
            // NOTE: Sanity check the command line arguments.
            //
            if (args == null)
            {
                Error(null, true);
                return (int)ExitCode.MissingArgs;
            }

            if (args.Length != 1)
            {
                Error(null, true);
                return (int)ExitCode.WrongNumArgs;
            }

            //
            // NOTE: Attempt to convert the first (and only) command line
            //       argument to an absolute URI.
            //
            Uri uri;

            if (!Uri.TryCreate(args[0], UriKind.Absolute, out uri))
            {
                Error("Could not create absolute URI from argument.", false);
                return (int)ExitCode.BadUri;
            }

            //
            // NOTE: Attempt to extract the file name portion of the URI we
            //       just created.
            //
            string fileName = GetFileName(uri);

            if (fileName == null)
            {
                Error("Could not extract the file name from the URI.", false);
                return (int)ExitCode.BadFileName;
            }

            //
            // NOTE: Grab the temporary path setup for this process.  If it is
            //       unavailable, we will not continue.
            //
            string directory = Path.GetTempPath();

            if (String.IsNullOrEmpty(directory) ||
                !Directory.Exists(directory))
            {
                Error("Temporary directory is invalid or unavailable.", false);
                return (int)ExitCode.BadTempPath;
            }

            try
            {
                using (WebClient webClient = new WebClient())
                {
                    //
                    // NOTE: Create the event used to signal completion of the
                    //       file download.
                    //
                    doneEvent = new ManualResetEvent(false);

                    //
                    // NOTE: Hookup the event handlers we care about on the web
                    //       client.  These are necessary because the file is
                    //       downloaded asynchronously.
                    //
                    webClient.DownloadProgressChanged +=
                        new DownloadProgressChangedEventHandler(
                            DownloadProgressChanged);

                    webClient.DownloadFileCompleted +=
                        new AsyncCompletedEventHandler(
                            DownloadFileCompleted);

                    //
                    // NOTE: Build the fully qualified path and file name,
                    //       within the temporary directory, where the file to
                    //       be downloaded will be saved.
                    //
                    fileName = Path.Combine(directory, fileName);

                    //
                    // NOTE: If the file name already exists (in the temporary)
                    //       directory, delete it.
                    //
                    // TODO: Perhaps an error should be raised here instead?
                    //
                    if (File.Exists(fileName))
                        File.Delete(fileName);

                    //
                    // NOTE: After kicking off the asynchronous file download
                    //       process, wait [forever] until the "done" event is
                    //       signaled.
                    //
                    Console.WriteLine(
                        "Downloading \"{0}\" to \"{1}\"...", uri, fileName);

                    webClient.DownloadFileAsync(uri, fileName);
                    doneEvent.WaitOne();
                }

                lock (syncRoot)
                {
                    return (int)exitCode;
                }
            }
            catch (Exception e)
            {
                //
                // NOTE: An exception was caught.  Report it via the console
                //       and return failure.
                //
                Error(e.ToString(), false);
                return (int)ExitCode.Exception;
            }
        }
        #endregion
    }
}

Added tool/GetTclKit.bat.

































































































































































































































































































































































































































































































































































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@ECHO OFF

::
:: GetTclKit.bat --
::
:: TclKit Download Tool
::

SETLOCAL

REM SET __ECHO=ECHO
REM SET __ECHO2=ECHO
REM SET __ECHO3=ECHO
IF NOT DEFINED _AECHO (SET _AECHO=REM)
IF NOT DEFINED _CECHO (SET _CECHO=REM)
IF NOT DEFINED _VECHO (SET _VECHO=REM)

SET OVERWRITE=^>
IF DEFINED __ECHO SET OVERWRITE=^^^>

SET APPEND=^>^>
IF DEFINED __ECHO SET APPEND=^^^>^^^>

SET PROCESSOR=%1

IF DEFINED PROCESSOR (
  CALL :fn_UnquoteVariable PROCESSOR
) ELSE (
  GOTO usage
)

%_VECHO% Processor = '%PROCESSOR%'

SET DUMMY2=%2

IF DEFINED DUMMY2 (
  GOTO usage
)

SET ROOT=%~dp0\..
SET ROOT=%ROOT:\\=\%

%_VECHO% Root = '%ROOT%'

SET TOOLS=%~dp0
SET TOOLS=%TOOLS:~0,-1%

%_VECHO% Tools = '%TOOLS%'

IF NOT DEFINED windir (
  ECHO The windir environment variable must be set first.
  GOTO errors
)

%_VECHO% WinDir = '%windir%'

IF NOT DEFINED TEMP (
  ECHO The TEMP environment variable must be set first.
  GOTO errors
)

%_VECHO% Temp = '%TEMP%'

IF NOT DEFINED TCLKIT_URI (
  SET TCLKIT_URI=http://tclsh.com/
)

%_VECHO% TclKitUri = '%TCLKIT_URI%'

IF /I "%PROCESSOR%" == "x86" (
  CALL :fn_TclKitX86Variables
) ELSE IF /I "%PROCESSOR%" == "x64" (
  CALL :fn_TclKitX64Variables
) ELSE (
  GOTO usage
)

%_VECHO% TclKitVersion = '%TCLKIT_VERSION%'
%_VECHO% TclKitPatchLevel = '%TCLKIT_PATCHLEVEL%'
%_VECHO% TclKitNoSdk = '%TCLKIT_NOSDK%'
%_VECHO% TclKitExe = '%TCLKIT_EXE%'
%_VECHO% TclKitLib = '%TCLKIT_LIB%'
%_VECHO% TclKitLibStub = '%TCLKIT_LIB_STUB%'
%_VECHO% TclKitSdk = '%TCLKIT_SDK%'
%_VECHO% TclKitSdkZip = '%TCLKIT_SDK_ZIP%'
%_VECHO% TclKitFiles = '%TCLKIT_FILES%'

CALL :fn_ResetErrorLevel

FOR %%T IN (csc.exe) DO (
  SET %%T_PATH=%%~dp$PATH:T
)

%_VECHO% Csc.exe_PATH = '%csc.exe_PATH%'

IF DEFINED csc.exe_PATH (
  GOTO skip_addToPath
)

IF DEFINED FRAMEWORKDIR (
  REM Use the existing .NET Framework directory...
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework64\v2.0.50727" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework64\v2.0.50727
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework64\v3.5" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework64\v3.5
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework64\v4.0.30319" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework64\v4.0.30319
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework\v2.0.50727" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework\v2.0.50727
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework\v3.5" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework\v3.5
) ELSE IF EXIST "%windir%\Microsoft.NET\Framework\v4.0.30319" (
  SET FRAMEWORKDIR=%windir%\Microsoft.NET\Framework\v4.0.30319
) ELSE (
  ECHO No suitable version of the .NET Framework appears to be installed.
  GOTO errors
)

%_VECHO% FrameworkDir = '%FRAMEWORKDIR%'

IF NOT EXIST "%FRAMEWORKDIR%\csc.exe" (
  ECHO The file "%FRAMEWORKDIR%\csc.exe" is missing.
  GOTO errors
)

SET PATH=%FRAMEWORKDIR%;%PATH%

:skip_addToPath

IF NOT EXIST "%TEMP%\GetFile.exe" (
  %__ECHO% csc.exe "/out:%TEMP%\GetFile.exe" /target:exe "%TOOLS%\GetFile.cs"

  IF ERRORLEVEL 1 (
    ECHO Compilation of "%TOOLS%\GetFile.cs" failed.
    GOTO errors
  )
)

FOR %%F IN (%TCLKIT_FILES%) DO (
  IF NOT EXIST "%TEMP%\%%F" (
    %__ECHO% "%TEMP%\GetFile.exe" "%TCLKIT_URI%%%F"

    IF ERRORLEVEL 1 (
      ECHO Download of "%%F" from "%TCLKIT_URI%" failed.
      GOTO errors
    )
  )
)

IF DEFINED TCLKIT_NOSDK GOTO skip_sdkUnZip

IF NOT EXIST "%TEMP%\%TCLKIT_SDK%" (
  %__ECHO% MKDIR "%TEMP%\%TCLKIT_SDK%"

  IF ERRORLEVEL 1 (
    ECHO Could not create directory "%TEMP%\%TCLKIT_SDK%".
    GOTO errors
  )
)

%__ECHO% "%TEMP%\unzip.exe" -n "%TEMP%\%TCLKIT_SDK_ZIP%" -d "%TEMP%\%TCLKIT_SDK%"

IF ERRORLEVEL 1 (
  ECHO Could not unzip "%TEMP%\%TCLKIT_SDK_ZIP%" to "%TEMP%\%TCLKIT_SDK%".
  GOTO errors
)

:skip_sdkUnZip

%__ECHO% ECHO SET TCLSH_CMD=%TEMP%\%TCLKIT_EXE%%OVERWRITE%"%ROOT%\SetTclKitEnv.bat"

IF DEFINED TCLKIT_NOSDK GOTO skip_sdkVariables

%__ECHO% ECHO SET TCLINCDIR=%TEMP%\%TCLKIT_SDK%\include%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET TCLLIBDIR=%TEMP%\%TCLKIT_SDK%\lib%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCL=%TCLKIT_LIB%%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCLSTUB=%TCLKIT_LIB_STUB%%APPEND%"%ROOT%\SetTclKitEnv.bat"

:skip_sdkVariables

ECHO.
ECHO Wrote "%ROOT%\SetTclKitEnv.bat".
ECHO Please run it to set the necessary Tcl environment variables.
ECHO.

GOTO no_errors

:fn_TclKitX86Variables
  IF NOT DEFINED TCLKIT_PATCHLEVEL (
    SET TCLKIT_PATCHLEVEL=8.6.4
  )
  SET TCLKIT_VERSION=%TCLKIT_PATCHLEVEL:.=%
  SET TCLKIT_VERSION=%TCLKIT_VERSION:~0,2%
  SET TCLKIT_EXE=tclkit-%TCLKIT_PATCHLEVEL%.exe
  SET TCLKIT_LIB=libtclkit%TCLKIT_PATCHLEVEL:.=%.lib
  SET TCLKIT_LIB_STUB=libtclstub%TCLKIT_VERSION:.=%.a
  SET TCLKIT_SDK=libtclkit-sdk-x86-%TCLKIT_PATCHLEVEL%
  SET TCLKIT_SDK_ZIP=%TCLKIT_SDK%.zip
  SET TCLKIT_FILES=%TCLKIT_EXE%
  IF NOT DEFINED TCLKIT_NOSDK (
    SET TCLKIT_FILES=%TCLKIT_FILES% unzip.exe %TCLKIT_SDK_ZIP%
  )
  GOTO :EOF

:fn_TclKitX64Variables
  IF NOT DEFINED TCLKIT_PATCHLEVEL (
    REM
    REM NOTE: By default, use latest available version of the TclKit SDK
    REM       for x64.  However, the "default" TclKit executable for x86
    REM       is still used here because it is the only one "well-known"
    REM       to be available for download.
    REM
    SET TCLKIT_PATCHLEVEL=8.6.3
    SET TCLKIT_EXE=tclkit-8.6.4.exe
  ) ELSE (
    SET TCLKIT_EXE=tclkit-%TCLKIT_PATCHLEVEL%.exe
  )
  SET TCLKIT_VERSION=%TCLKIT_PATCHLEVEL:.=%
  SET TCLKIT_VERSION=%TCLKIT_VERSION:~0,2%
  SET TCLKIT_LIB=libtclkit%TCLKIT_PATCHLEVEL:.=%.lib
  SET TCLKIT_LIB_STUB=libtclstub%TCLKIT_VERSION:.=%.a
  SET TCLKIT_SDK=libtclkit-sdk-x64-%TCLKIT_PATCHLEVEL%
  SET TCLKIT_SDK_ZIP=%TCLKIT_SDK%.zip
  SET TCLKIT_FILES=%TCLKIT_EXE%
  IF NOT DEFINED TCLKIT_NOSDK (
    SET TCLKIT_FILES=%TCLKIT_FILES% unzip.exe %TCLKIT_SDK_ZIP%
  )
  GOTO :EOF

:fn_UnquoteVariable
  IF NOT DEFINED %1 GOTO :EOF
  SETLOCAL
  SET __ECHO_CMD=ECHO %%%1%%
  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
    SET VALUE=%%V
  )
  SET VALUE=%VALUE:"=%
  REM "
  ENDLOCAL && SET %1=%VALUE%
  GOTO :EOF

:fn_ResetErrorLevel
  VERIFY > NUL
  GOTO :EOF

:fn_SetErrorLevel
  VERIFY MAYBE 2> NUL
  GOTO :EOF

:usage
  ECHO.
  ECHO Usage: %~nx0 ^<processor^>
  ECHO.
  ECHO The only supported values for processor are "x86" and "x64".
  GOTO errors

:errors
  CALL :fn_SetErrorLevel
  ENDLOCAL
  ECHO.
  ECHO Failure, errors were encountered.
  GOTO end_of_file

:no_errors
  CALL :fn_ResetErrorLevel
  ENDLOCAL
  ECHO.
  ECHO Success, no errors were encountered.
  GOTO end_of_file

:end_of_file
%__ECHO% EXIT /B %ERRORLEVEL%

Added tool/addopcodes.tcl.



























































































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#!/usr/bin/tclsh
#
# This script appends additional token codes to the end of the
# parse.h file that lemon generates.  These extra token codes are
# not used by the parser.  But they are used by the tokenizer and/or
# the code generator.
#
#
set in [open [lindex $argv 0] rb]
set max 0
while {![eof $in]} {
  set line [gets $in]
  if {[regexp {^#define TK_} $line]} {
    puts $line
    set x [lindex $line 2]
    if {$x>$max} {set max $x}
  }
}
close $in

# The following are the extra token codes to be added
#
set extras {
  TO_TEXT
  TO_BLOB
  TO_NUMERIC
  TO_INT
  TO_REAL
  ISNOT
  END_OF_FILE
  ILLEGAL
  SPACE
  UNCLOSED_STRING
  FUNCTION
  COLUMN
  AGG_FUNCTION
  AGG_COLUMN
  UMINUS
  UPLUS
  REGISTER
}
foreach x $extras {
  incr max
  puts [format "#define TK_%-29s %4d" $x $max]
}

Changes to tool/build-all-msvc.bat.

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REM                        tool\build-all-msvc.bat C:\Temp
REM
REM In the example above, "C:\dev\sqlite\core" represents the root of the
REM source tree for SQLite and "C:\Temp" represents the final destination
REM directory for the generated output files.
REM
REM Please note that the SQLite build process performed by the Makefile
REM associated with this batch script requires both Gawk ^(gawk.exe^) and Tcl
REM 8.5 ^(tclsh85.exe^) to be present in a directory contained in the PATH
REM environment variable unless a pre-existing amalgamation file is used.
REM
REM There are several environment variables that may be set to modify the
REM behavior of this batch script and its associated Makefile.  The list of
REM platforms to build may be overriden by using the PLATFORMS environment
REM variable, which should contain a list of platforms ^(e.g. x86 x86_amd64
REM x86_arm^).  All platforms must be supported by the version of Visual Studio
REM being used.  The list of configurations to build may be overridden by
................................................................................
%_VECHO% x86_x64_Name = '%x86_x64_NAME%'

REM
REM NOTE: Check for the external tools needed during the build process ^(i.e.
REM       those that do not get compiled as part of the build process itself^)
REM       along the PATH.
REM
FOR %%T IN (gawk.exe tclsh85.exe) DO (






  SET %%T_PATH=%%~dp$PATH:T
)

REM
REM NOTE: The Gawk executable "gawk.exe" is required during the SQLite build
REM       process unless a pre-existing amalgamation file is used.
REM
IF NOT DEFINED gawk.exe_PATH (
  ECHO The Gawk executable "gawk.exe" is required to be in the PATH.
  GOTO errors
)

REM
REM NOTE: The Tcl 8.5 executable "tclsh85.exe" is required during the SQLite
REM       build process unless a pre-existing amalgamation file is used.
REM
IF NOT DEFINED tclsh85.exe_PATH (
  ECHO The Tcl 8.5 executable "tclsh85.exe" is required to be in the PATH.
  GOTO errors
)

REM
REM NOTE: Set the TOOLPATH variable to contain all the directories where the
REM       external tools were found in the search above.
REM
SET TOOLPATH=%gawk.exe_PATH%;%tclsh85.exe_PATH%

%_VECHO% ToolPath = '%TOOLPATH%'

REM
REM NOTE: Setting the Windows SDK library path is only required for MSVC
REM       2012, 2013, and 2015.
REM







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REM                        tool\build-all-msvc.bat C:\Temp
REM
REM In the example above, "C:\dev\sqlite\core" represents the root of the
REM source tree for SQLite and "C:\Temp" represents the final destination
REM directory for the generated output files.
REM
REM Please note that the SQLite build process performed by the Makefile
REM associated with this batch script requires a Tcl shell to be present
REM in a directory contained in the PATH environment variable unless a
REM pre-existing amalgamation file is used.
REM
REM There are several environment variables that may be set to modify the
REM behavior of this batch script and its associated Makefile.  The list of
REM platforms to build may be overriden by using the PLATFORMS environment
REM variable, which should contain a list of platforms ^(e.g. x86 x86_amd64
REM x86_arm^).  All platforms must be supported by the version of Visual Studio
REM being used.  The list of configurations to build may be overridden by
................................................................................
%_VECHO% x86_x64_Name = '%x86_x64_NAME%'

REM
REM NOTE: Check for the external tools needed during the build process ^(i.e.
REM       those that do not get compiled as part of the build process itself^)
REM       along the PATH.
REM
IF DEFINED TCLSH_CMD (
  SET TCLSH_FILE=%TCLSH_CMD%
) ELSE (
  SET TCLSH_FILE=tclsh85.exe
)

FOR %%T IN (%TCLSH_FILE%) DO (
  SET %%T_PATH=%%~dp$PATH:T
)

REM
REM NOTE: A Tcl shell executable is required during the SQLite build process
REM       unless a pre-existing amalgamation file is used.
REM
IF NOT DEFINED %TCLSH_FILE%_PATH (
  ECHO The Tcl shell executable "%TCLSH_FILE%" is required to be in the PATH.









  GOTO errors
)

REM
REM NOTE: Set the TOOLPATH variable to contain all the directories where the
REM       external tools were found in the search above.
REM
CALL :fn_CopyVariable %TCLSH_FILE%_PATH TOOLPATH

%_VECHO% ToolPath = '%TOOLPATH%'

REM
REM NOTE: Setting the Windows SDK library path is only required for MSVC
REM       2012, 2013, and 2015.
REM

Deleted tool/diffdb.c.

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/*
** A utility for printing the differences between two SQLite database files.
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>


#define PAGESIZE 1024
static int db1 = -1;
static int db2 = -1;

int main(int argc, char **argv){
  int iPg;
  unsigned char a1[PAGESIZE], a2[PAGESIZE];
  if( argc!=3 ){
    fprintf(stderr,"Usage: %s FILENAME FILENAME\n", argv[0]);
    exit(1);
  }
  db1 = open(argv[1], O_RDONLY);
  if( db1<0 ){
    fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]);
    exit(1);
  }
  db2 = open(argv[2], O_RDONLY);
  if( db2<0 ){
    fprintf(stderr,"%s: can't open %s\n", argv[0], argv[2]);
    exit(1);
  }
  iPg = 1;
  while( read(db1, a1, PAGESIZE)==PAGESIZE && read(db2,a2,PAGESIZE)==PAGESIZE ){
    if( memcmp(a1,a2,PAGESIZE) ){
      printf("Page %d\n", iPg);
    }
    iPg++;
  }
  printf("%d pages checked\n", iPg-1);
  close(db1);
  close(db2);
}
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Added tool/mkopcodec.tcl.





































































































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#!/usr/bin/tclsh
#
# This TCL script scans the opcodes.h file (which is itself generated by
# another TCL script) and uses the information gleaned to create the
# opcodes.c source file.
#
# Opcodes.c contains strings which are the symbolic names for the various
# opcodes used by the VDBE.  These strings are used when disassembling a
# VDBE program during tracing or as a result of the EXPLAIN keyword.
#
puts "/* Automatically generated.  Do not edit */"
puts "/* See the tool/mkopcodec.tcl script for details. */"
puts "#if !defined(SQLITE_OMIT_EXPLAIN) \\"
puts " || defined(VDBE_PROFILE) \\"
puts " || defined(SQLITE_DEBUG)"
puts "#if defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) || defined(SQLITE_DEBUG)"
puts "# define OpHelp(X) \"\\0\" X"
puts "#else"
puts "# define OpHelp(X)"
puts "#endif"
puts "const char *sqlite3OpcodeName(int i)\173"
puts " static const char *const azName\[\] = \173 \"?\","
set mx 0

set in [open [lindex $argv 0] rb]
while {![eof $in]} {
  set line [gets $in]
  if {[regexp {^#define OP_} $line]} {
    set name [lindex $line 1]
    regsub {^OP_} $name {} name
    set i [lindex $line 2]
    set label($i) $name
    if {$mx<$i} {set mx $i}
    if {[regexp {synopsis: (.*) \*/} $line all x]} {
      set synopsis($i) [string trim $x]
    } else {
      set synopsis($i) {}
    }
  }
}
close $in

for {set i 1} {$i<=$mx} {incr i} {
  puts [format "    /* %3d */ %-18s OpHelp(\"%s\")," \
         $i \"$label($i)\" $synopsis($i)]
}
puts "  \175;"
puts "  return azName\[i\];"
puts "\175"
puts "#endif"

Added tool/mkopcodeh.tcl.













































































































































































































































































































































































































































































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#!/usr/bin/tclsh
#
# Generate the file opcodes.h.
#
# This TCL script scans a concatenation of the parse.h output file from the
# parser and the vdbe.c source file in order to generate the opcodes numbers
# for all opcodes.  
#
# The lines of the vdbe.c that we are interested in are of the form:
#
#       case OP_aaaa:      /* same as TK_bbbbb */
#
# The TK_ comment is optional.  If it is present, then the value assigned to
# the OP_ is the same as the TK_ value.  If missing, the OP_ value is assigned
# a small integer that is different from every other OP_ value.
#
# We go to the trouble of making some OP_ values the same as TK_ values
# as an optimization.  During parsing, things like expression operators
# are coded with TK_ values such as TK_ADD, TK_DIVIDE, and so forth.  Later
# during code generation, we need to generate corresponding opcodes like
# OP_Add and OP_Divide.  By making TK_ADD==OP_Add and TK_DIVIDE==OP_Divide,
# code to translate from one to the other is avoided.  This makes the
# code generator run (infinitesimally) faster and more importantly it makes
# the library footprint smaller.
#
# This script also scans for lines of the form:
#
#       case OP_aaaa:       /* jump, in1, in2, in3, out2-prerelease, out3 */
#
# When such comments are found on an opcode, it means that certain
# properties apply to that opcode.  Set corresponding flags using the
# OPFLG_INITIALIZER macro.
#

set in stdin
set currentOp {}
set nOp 0
while {![eof $in]} {
  set line [gets $in]

  # Remember the TK_ values from the parse.h file. 
  # NB:  The "TK_" prefix stands for "ToKen", not the graphical Tk toolkit
  # commonly associated with TCL.
  #
  if {[regexp {^#define TK_} $line]} {
    set tk([lindex $line 1]) [lindex $line 2]
    continue
  }

  # Find "/* Opcode: " lines in the vdbe.c file.  Each one introduces
  # a new opcode.  Remember which parameters are used.
  #
  if {[regexp {^.. Opcode: } $line]} {
    set currentOp OP_[lindex $line 2]
    set m 0
    foreach term $line {
      switch $term {
        P1 {incr m 1}
        P2 {incr m 2}
        P3 {incr m 4}
        P4 {incr m 8}
        P5 {incr m 16}
      }
    }
    set paramused($currentOp) $m
  }

  # Find "** Synopsis: " lines that follow Opcode:
  #
  if {[regexp {^.. Synopsis: (.*)} $line all x] && $currentOp!=""} {
    set synopsis($currentOp) [string trim $x]
  }

  # Scan for "case OP_aaaa:" lines in the vdbe.c file
  #
  if {[regexp {^case OP_} $line]} {
    set line [split $line]
    set name [string trim [lindex $line 1] :]
    set op($name) -1
    set jump($name) 0
    set in1($name) 0
    set in2($name) 0
    set in3($name) 0
    set out1($name) 0
    set out2($name) 0
    for {set i 3} {$i<[llength $line]-1} {incr i} {
       switch [string trim [lindex $line $i] ,] {
         same {
           incr i
           if {[lindex $line $i]=="as"} {
             incr i
             set sym [string trim [lindex $line $i] ,]
             set val $tk($sym)
             set op($name) $val
             set used($val) 1
             set sameas($val) $sym
             set def($val) $name
           }
         }
         jump {set jump($name) 1}
         in1  {set in1($name) 1}
         in2  {set in2($name) 1}
         in3  {set in3($name) 1}
         out2 {set out2($name) 1}
         out3 {set out3($name) 1}
       }
    }
    set order($nOp) $name
    incr nOp
  }
}

# Assign numbers to all opcodes and output the result.
#
set cnt 0
set max 0
puts "/* Automatically generated.  Do not edit */"
puts "/* See the tool/mkopcodeh.tcl script for details */"
set op(OP_Noop) -1
set order($nOp) OP_Noop
incr nOp
set op(OP_Explain) -1
set order($nOp) OP_Explain
incr nOp

# The following are the opcodes that are processed by resolveP2Values()
#
set rp2v_ops {
  OP_Transaction
  OP_AutoCommit
  OP_Savepoint
  OP_Checkpoint
  OP_Vacuum
  OP_JournalMode
  OP_VUpdate
  OP_VFilter
  OP_Next
  OP_NextIfOpen
  OP_SorterNext
  OP_Prev
  OP_PrevIfOpen
}

# Assign small values to opcodes that are processed by resolveP2Values()
# to make code generation for the switch() statement smaller and faster.
#
set cnt 0
for {set i 0} {$i<$nOp} {incr i} {
  set name $order($i)
  if {[lsearch $rp2v_ops $name]>=0} {
    incr cnt
    while {[info exists used($cnt)]} {incr cnt}
    set op($name) $cnt
    set used($cnt) 1
    set def($cnt) $name
  }
}

# Generate the numeric values for remaining opcodes
#
for {set i 0} {$i<$nOp} {incr i} {
  set name $order($i)
  if {$op($name)<0} {
    incr cnt
    while {[info exists used($cnt)]} {incr cnt}
    set op($name) $cnt
    set used($cnt) 1
    set def($cnt) $name
  }
}
set max $cnt
for {set i 1} {$i<=$nOp} {incr i} {
  if {![info exists used($i)]} {
    set def($i) "OP_NotUsed_$i"
  }
  set name $def($i)
  puts -nonewline [format {#define %-16s %3d} $name $i]
  set com {}
  if {[info exists sameas($i)]} {
    set com "same as $sameas($i)"
  }
  if {[info exists synopsis($name)]} {
    set x $synopsis($name)
    if {$com==""} {
      set com "synopsis: $x"
    } else {
      append com ", synopsis: $x"
    }
  }
  if {$com!=""} {
    puts -nonewline [format " /* %-42s */" $com]
  }
  puts ""
}

# Generate the bitvectors:
#
set bv(0) 0
for {set i 1} {$i<=$max} {incr i} {
  set name $def($i)
  if {[info exists jump($name)] && $jump($name)} {set a0 1}  {set a0 0}
  if {[info exists in1($name)] && $in1($name)}   {set a1 2}  {set a1 0}
  if {[info exists in2($name)] && $in2($name)}   {set a2 4}  {set a2 0}
  if {[info exists in3($name)] && $in3($name)}   {set a3 8}  {set a3 0}
  if {[info exists out2($name)] && $out2($name)} {set a4 16} {set a4 0}
  if {[info exists out3($name)] && $out3($name)} {set a5 32} {set a5 0}
  set bv($i) [expr {$a0+$a1+$a2+$a3+$a4+$a5}]
}
puts ""
puts "/* Properties such as \"out2\" or \"jump\" that are specified in"
puts "** comments following the \"case\" for each opcode in the vdbe.c"
puts "** are encoded into bitvectors as follows:"
puts "*/"
puts "#define OPFLG_JUMP            0x0001  /* jump:  P2 holds jmp target */"
puts "#define OPFLG_IN1             0x0002  /* in1:   P1 is an input */"
puts "#define OPFLG_IN2             0x0004  /* in2:   P2 is an input */"
puts "#define OPFLG_IN3             0x0008  /* in3:   P3 is an input */"
puts "#define OPFLG_OUT2            0x0010  /* out2:  P2 is an output */"
puts "#define OPFLG_OUT3            0x0020  /* out3:  P3 is an output */"
puts "#define OPFLG_INITIALIZER \173\\"
for {set i 0} {$i<=$max} {incr i} {
  if {$i%8==0} {
    puts -nonewline [format "/* %3d */" $i]
  }
  puts -nonewline [format " 0x%02x," $bv($i)]
  if {$i%8==7} {
    puts "\\"
  }
}
puts "\175"

Changes to tool/mksqlite3c.tcl.

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        # begin/end markers with the harmless substring "**".
        puts $out "/* [string map [list /* ** */ **] $line] */"
      }
    } elseif {[regexp {^#ifdef __cplusplus} $line]} {
      puts $out "#if 0"
    } elseif {!$linemacros && [regexp {^#line} $line]} {
      # Skip #line directives.

    } elseif {$addstatic && ![regexp {^(static|typedef)} $line]} {
      # Skip adding the SQLITE_PRIVATE or SQLITE_API keyword before
      # functions if this header file does not need it.
      if {![info exists varonly_hdr($tail)]
       && [regexp $declpattern $line all rettype funcname rest]} {
        regsub {^SQLITE_API } $line {} line
        # Add the SQLITE_PRIVATE or SQLITE_API keyword before functions.
        # so that linkage can be modified at compile-time.
................................................................................
   fts3_unicode2.c

   rtree.c
   icu.c
   fts3_icu.c
   sqlite3rbu.c
   dbstat.c


} {
  copy_file tsrc/$file
}

close $out







>
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        # begin/end markers with the harmless substring "**".
        puts $out "/* [string map [list /* ** */ **] $line] */"
      }
    } elseif {[regexp {^#ifdef __cplusplus} $line]} {
      puts $out "#if 0"
    } elseif {!$linemacros && [regexp {^#line} $line]} {
      # Skip #line directives.
    } elseif {$addstatic
               && ![regexp {^(static|typedef|SQLITE_PRIVATE)} $line]} {
      # Skip adding the SQLITE_PRIVATE or SQLITE_API keyword before
      # functions if this header file does not need it.
      if {![info exists varonly_hdr($tail)]
       && [regexp $declpattern $line all rettype funcname rest]} {
        regsub {^SQLITE_API } $line {} line
        # Add the SQLITE_PRIVATE or SQLITE_API keyword before functions.
        # so that linkage can be modified at compile-time.
................................................................................
   fts3_unicode2.c

   rtree.c
   icu.c
   fts3_icu.c
   sqlite3rbu.c
   dbstat.c
   json1.c
   fts5.c
} {
  copy_file tsrc/$file
}

close $out

Changes to tool/mksqlite3h.tcl.

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# Force the output to use unix line endings, even on Windows.
fconfigure stdout -translation lf

set filelist [subst {
  $TOP/src/sqlite.h.in
  $TOP/ext/rtree/sqlite3rtree.h

}]

# These are the functions that accept a variable number of arguments.  They
# always need to use the "cdecl" calling convention even when another calling
# convention (e.g. "stcall") is being used for the rest of the library.
set cdecllist {
  sqlite3_config







>







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# Force the output to use unix line endings, even on Windows.
fconfigure stdout -translation lf

set filelist [subst {
  $TOP/src/sqlite.h.in
  $TOP/ext/rtree/sqlite3rtree.h
  $TOP/ext/fts5/fts5.h
}]

# These are the functions that accept a variable number of arguments.  They
# always need to use the "cdecl" calling convention even when another calling
# convention (e.g. "stcall") is being used for the rest of the library.
set cdecllist {
  sqlite3_config

Deleted tool/opcodeDoc.awk.

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#
# Extract opcode documentation for sqliteVdbe.c and generate HTML
#
BEGIN {
  print "<html><body bgcolor=white>"
  print "<h1>SQLite Virtual Database Engine Opcodes</h1>"
  print "<table>"
}
/ Opcode: /,/\*\// {
  if( $2=="Opcode:" ){
    printf "<tr><td>%s&nbsp;%s&nbsp;%s&nbsp;%s</td>\n<td>\n", $3, $4, $5, $6
  }else if( $1=="*/" ){
    printf "</td></tr>\n"
  }else if( NF>1 ){
    sub(/^ *\*\* /,"")
    gsub(/</,"&lt;")
    gsub(/&/,"&amp;")
    print
  }
}
END {
  print "</table></body></html>"
}
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Added tool/replace.tcl.









































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#!/usr/bin/tcl
#
# Replace string with another string -OR- include
# only lines successfully modified with a regular
# expression.
#
set mode [string tolower [lindex $argv 0]]
set from [lindex $argv 1]
set to [lindex $argv 2]
if {$mode ni [list exact include]} {exit 1}
if {[string length $from]==0} {exit 2}
while {![eof stdin]} {
  set line [gets stdin]
  if {[eof stdin]} break
  switch -exact $mode {
    exact {set line [string map [list $from $to] $line]}
    include {if {[regsub -all -- $from $line $to line]==0} continue}
  }
  puts stdout $line
}

Deleted tool/space_used.tcl.

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# Run this TCL script using "testfixture" in order get a report that shows
# how much disk space is used by a particular data to actually store data
# versus how much space is unused.
#

# Get the name of the database to analyze
#
if {[llength $argv]!=1} {
  puts stderr "Usage: $argv0 database-name"
  exit 1
}
set file_to_analyze [lindex $argv 0]

# Open the database
#
sqlite db [lindex $argv 0]
set DB [btree_open [lindex $argv 0]]

# Output the schema for the generated report
#
puts \
{BEGIN;
CREATE TABLE space_used(
   name clob,        -- Name of a table or index in the database file
   is_index boolean, -- TRUE if it is an index, false for a table
   payload int,      -- Total amount of data stored in this table or index
   pri_pages int,    -- Number of primary pages used
   ovfl_pages int,   -- Number of overflow pages used
   pri_unused int,   -- Number of unused bytes on primary pages
   ovfl_unused int   -- Number of unused bytes on overflow pages
);}

# This query will be used to find the root page number for every index and
# table in the database.
#
set sql {
  SELECT name, type, rootpage FROM sqlite_master
  UNION ALL
  SELECT 'sqlite_master', 'table', 2
  ORDER BY 1
}

# Initialize variables used for summary statistics.
#
set total_size 0
set total_primary 0
set total_overflow 0
set total_unused_primary 0
set total_unused_ovfl 0

# Analyze every table in the database, one at a time.
#
foreach {name type rootpage} [db eval $sql] {
  set cursor [btree_cursor $DB $rootpage 0]
  set go [btree_first $cursor]
  set size 0
  catch {unset pg_used}
  set unused_ovfl 0
  set n_overflow 0
  while {$go==0} {
    set payload [btree_payload_size $cursor]
    incr size $payload
    set stat [btree_cursor_dump $cursor]
    set pgno [lindex $stat 0]
    set freebytes [lindex $stat 4]
    set pg_used($pgno) $freebytes
    if {$payload>238} {
      set n [expr {($payload-238+1019)/1020}]
      incr n_overflow $n
      incr unused_ovfl [expr {$n*1020+238-$payload}]
    }
    set go [btree_next $cursor]
  }
  btree_close_cursor $cursor
  set n_primary [llength [array names pg_used]]
  set unused_primary 0
  foreach x [array names pg_used] {incr unused_primary $pg_used($x)}
  regsub -all ' $name '' name
  puts -nonewline "INSERT INTO space_used VALUES('$name'"
  puts -nonewline ",[expr {$type=="index"}]"
  puts ",$size,$n_primary,$n_overflow,$unused_primary,$unused_ovfl);"
  incr total_size $size
  incr total_primary $n_primary
  incr total_overflow $n_overflow
  incr total_unused_primary $unused_primary
  incr total_unused_ovfl $unused_ovfl
}

# Output summary statistics:
#
puts "-- Total payload size: $total_size"
puts "-- Total pages used: $total_primary primary and $total_overflow overflow"
set file_pgcnt [expr {[file size [lindex $argv 0]]/1024}]
puts -nonewline "-- Total unused bytes on primary pages: $total_unused_primary"
if {$total_primary>0} {
  set upp [expr {$total_unused_primary/$total_primary}]
  puts " (avg $upp bytes/page)"
} else {
  puts ""
}
puts -nonewline "-- Total unused bytes on overflow pages: $total_unused_ovfl"
if {$total_overflow>0} {
  set upp [expr {$total_unused_ovfl/$total_overflow}]
  puts " (avg $upp bytes/page)"
} else {
  puts ""
}
set n_free [expr {$file_pgcnt-$total_primary-$total_overflow}]
if {$n_free>0} {incr n_free -1}
puts "-- Total pages on freelist: $n_free"
puts "COMMIT;"
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Deleted tool/tostr.awk.

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#!/usr/bin/awk
#
# Convert input text into a C string
#
{
  gsub(/\\/,"\\\\");
  gsub(/\"/,"\\\"");
  print "\"" $0 "\\n\"";
}
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Added tool/tostr.tcl.

























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#!/usr/bin/tcl
#
# Convert input text into a C string
#
set in [open [lindex $argv 0] rb]
while {![eof $in]} {
  set line [gets $in]
  if {[eof $in]} break;
  set x [string map "\\\\ \\\\\\\\ \\\" \\\\\"" $line]
  puts "\"$x\\n\""
}
close $in