/ Check-in [acf76843]
Login
Home Timeline Branches Tags Tickets Wiki More...

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Merge updates from trunk.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | expShell
Files: files | file ages | folders
SHA1: acf7684323da4dc3aaf9746bd13b0f56054a17dd
User & Date: mistachkin 2015-02-27 19:40:08
Context
2015-03-19
14:46
Merge updates from trunk. check-in: 3e363f40 user: mistachkin tags: expShell
2015-02-27
19:40
Merge updates from trunk. check-in: acf76843 user: mistachkin tags: expShell
00:33
Add a couple of requirements marks. check-in: d70b0fd4 user: drh tags: trunk
2015-01-19
21:27
Improve precision of the new test case by removing a superfluous carriage-return from the shell command input. check-in: 913c41b2 user: mistachkin tags: expShell
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to Makefile.in. 

251
252
253
254
255
256
257

258
259
260
261
262
263
264
...
470
471
472
473
474
475
476

477
478
479
480
481
482
483
...
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005

  $(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/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 \
   $(TOP)/src/whereInt.h \
................................................................................

LogEst$(TEXE):	$(TOP)/tool/logest.c sqlite3.h
	$(LTLINK) -I. -o $@ $(TOP)/tool/logest.c

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

speedtest1$(TEXE):	$(TOP)/test/wordcount.c sqlite3.lo
	$(LTLINK) -o $@ $(TOP)/test/speedtest1.c sqlite3.lo $(TLIBS)

# This target will fail if the SQLite amalgamation contains any exported
# symbols that do not begin with "sqlite3_". It is run as part of the
# releasetest.tcl script.
#
checksymbols: sqlite3.lo








>







 







>







 







|








251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
...
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
...
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007

  $(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/pragma.h \
  $(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/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  \
   $(TOP)/src/pragma.h \
   sqlite3.h  \
   $(TOP)/src/sqlite3ext.h \
   $(TOP)/src/sqliteInt.h  \
   $(TOP)/src/sqliteLimit.h \
   $(TOP)/src/vdbe.h \
   $(TOP)/src/vdbeInt.h \
   $(TOP)/src/whereInt.h \
................................................................................

LogEst$(TEXE):	$(TOP)/tool/logest.c sqlite3.h
	$(LTLINK) -I. -o $@ $(TOP)/tool/logest.c

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

speedtest1$(TEXE):	$(TOP)/test/speedtest1.c sqlite3.lo
	$(LTLINK) -o $@ $(TOP)/test/speedtest1.c sqlite3.lo $(TLIBS)

# This target will fail if the SQLite amalgamation contains any exported
# symbols that do not begin with "sqlite3_". It is run as part of the
# releasetest.tcl script.
#
checksymbols: sqlite3.lo

Changes to Makefile.msc. 

54
55
56
57
58
59
60






61
62
63
64
65
66
67
...
496
497
498
499
500
501
502






503
504
505
506
507
508
509
...
559
560
561
562
563
564
565






566
567
568
569
570
571
572
...
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
...
742
743
744
745
746
747
748
749

750
751
752
753
754
755
756

757
758
759
760
761
762
763
...
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
...
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849




850
851
852
853
854
855
856
...
972
973
974
975
976
977
978

979
980
981
982
983
984
985
....
1030
1031
1032
1033
1034
1035
1036
1037




1038
1039
1040
1041
1042
1043
1044
....
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551

!ENDIF

# Set this non-0 to dynamically link to the MSVC runtime library.
#
!IFNDEF USE_CRT_DLL
USE_CRT_DLL = 0
!ENDIF







# Set this non-0 to generate assembly code listings for the source code
# files.
#
!IFNDEF USE_LISTINGS
USE_LISTINGS = 0
!ENDIF
................................................................................
# The same set of OMIT and ENABLE flags should be passed to the
# LEMON parser generator and the mkkeywordhash tool as well.

# These are the required SQLite compilation options used when compiling for
# the Windows platform.
#
REQ_FEATURE_FLAGS = $(REQ_FEATURE_FLAGS) -DSQLITE_MAX_TRIGGER_DEPTH=100







# Add the required and optional SQLite compilation options into the command
# lines used to invoke the MSVC code and resource compilers.
#
TCC = $(TCC) $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS)
RCC = $(RCC) $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS)

................................................................................
# Command line prefixes for compiling code, compiling resources,
# linking, etc.
#
LTCOMPILE = $(TCC) -Fo$@
LTRCOMPILE = $(RCC) -r
LTLIB = lib.exe
LTLINK = $(TCC) -Fe$@







# If a platform was set, force the linker to target that.
# Note that the vcvars*.bat family of batch files typically
# set this for you.  Otherwise, the linker will attempt
# to deduce the binary type based on the object files.
!IFDEF PLATFORM
LTLINKOPTS = /MACHINE:$(PLATFORM)
................................................................................
LIBRESOBJS = sqlite3res.lo
!ELSE
LIBRESOBJS =
!ENDIF

# 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\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\wal.h \
  $(TOP)\src\walker.c \
  $(TOP)\src\where.c \
  $(TOP)\src\whereInt.h

# Source code for extensions
#
SRC = $(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 = $(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 = $(SRC) \
  $(TOP)\ext\fts3\fts3.c \
  $(TOP)\ext\fts3\fts3.h \
  $(TOP)\ext\fts3\fts3Int.h \
  $(TOP)\ext\fts3\fts3_aux.c \
  $(TOP)\ext\fts3\fts3_expr.c \
  $(TOP)\ext\fts3\fts3_hash.c \
  $(TOP)\ext\fts3\fts3_hash.h \
................................................................................
  $(TOP)\ext\fts3\fts3_snippet.c \
  $(TOP)\ext\fts3\fts3_tokenizer.h \
  $(TOP)\ext\fts3\fts3_tokenizer.c \
  $(TOP)\ext\fts3\fts3_tokenizer1.c \
  $(TOP)\ext\fts3\fts3_tokenize_vtab.c \
  $(TOP)\ext\fts3\fts3_unicode.c \
  $(TOP)\ext\fts3\fts3_unicode2.c \
  $(TOP)\ext\fts3\fts3_write.c
SRC = $(SRC) \
  $(TOP)\ext\icu\sqliteicu.h \
  $(TOP)\ext\icu\icu.c
SRC = $(SRC) \
  $(TOP)\ext\rtree\rtree.h \
  $(TOP)\ext\rtree\rtree.c


# Generated source code files
#
SRC = $(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\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 \
   $(TOP)\src\whereInt.h
................................................................................
# 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) $(TOP)\tool\vdbe-compress.tcl
	-rmdir /S/Q tsrc
	-mkdir tsrc
	for %i in ($(SRC)) do copy /Y %i tsrc




	del /Q tsrc\sqlite.h.in tsrc\parse.y
	$(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 $(TOP)\tool\mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl $(MKSQLITE3C_ARGS)
................................................................................
		$(TOP)\test\wordcount.c $(SQLITE3C)

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

clean:
	del /Q *.lo *.ilk *.lib *.obj *.pdb sqlite3.exe libsqlite3.lib
	del /Q *.cod *.da *.bb *.bbg gmon.out
	del /Q sqlite3.h opcodes.c opcodes.h
	del /Q lemon.* lempar.c parse.*
	del /Q mkkeywordhash.* keywordhash.h
	del /Q notasharedlib.*
	-rmdir /Q/S .deps
	-rmdir /Q/S .libs
	-rmdir /Q/S quota2a
	-rmdir /Q/S quota2b
	-rmdir /Q/S quota2c
	-rmdir /Q/S tsrc
	del /Q .target_source
	del /Q tclsqlite3.exe tclsqlite3.exp
	del /Q testloadext.dll testloadext.exp
	del /Q testfixture.exe testfixture.exp test.db
	del /Q LogEst.exe fts3view.exe rollback-test.exe showdb.exe
	del /Q showjournal.exe showstat4.exe showwal.exe speedtest1.exe
	del /Q wordcount.exe
	del /Q sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def
	del /Q sqlite3.c sqlite3-*.c
	del /Q sqlite3rc.h
	del /Q shell.c sqlite3ext.h
	del /Q sqlite3_analyzer.exe sqlite3_analyzer.exp sqlite3_analyzer.c
	del /Q sqlite-*-output.vsix
	del /Q mptester.exe

# 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) sqlite3.def
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /DEF:sqlite3.def /OUT:$@ $(LIBOBJ) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)








>
>
>
>
>
>







 







>
>
>
>
>
>







 







>
>
>
>
>
>







 







|







 







|
>







>







 







|






|
<









|







 







|
<

|
<






|







>
>
>
>







 







>







 







|
>
>
>
>







 







|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|














54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
...
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
...
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
...
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
...
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
...
809
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
835
836
837
838
839
840
...
843
844
845
846
847
848
849
850

851
852

853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
...
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
....
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
....
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577

!ENDIF

# Set this non-0 to dynamically link to the MSVC runtime library.
#
!IFNDEF USE_CRT_DLL
USE_CRT_DLL = 0
!ENDIF

# Set this non-0 to link to the RPCRT4 library.
#
!IFNDEF USE_RPCRT4_LIB
USE_RPCRT4_LIB = 0
!ENDIF

# Set this non-0 to generate assembly code listings for the source code
# files.
#
!IFNDEF USE_LISTINGS
USE_LISTINGS = 0
!ENDIF
................................................................................
# The same set of OMIT and ENABLE flags should be passed to the
# LEMON parser generator and the mkkeywordhash tool as well.

# These are the required SQLite compilation options used when compiling for
# the Windows platform.
#
REQ_FEATURE_FLAGS = $(REQ_FEATURE_FLAGS) -DSQLITE_MAX_TRIGGER_DEPTH=100

# If we are linking to the RPCRT4 library, enable features that need it.
#
!IF $(USE_RPCRT4_LIB)!=0
REQ_FEATURE_FLAGS = $(REQ_FEATURE_FLAGS) -DSQLITE_WIN32_USE_UUID=1
!ENDIF

# Add the required and optional SQLite compilation options into the command
# lines used to invoke the MSVC code and resource compilers.
#
TCC = $(TCC) $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS)
RCC = $(RCC) $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS)

................................................................................
# Command line prefixes for compiling code, compiling resources,
# linking, etc.
#
LTCOMPILE = $(TCC) -Fo$@
LTRCOMPILE = $(RCC) -r
LTLIB = lib.exe
LTLINK = $(TCC) -Fe$@

# If requested, link to the RPCRT4 library.
#
!IF $(USE_RPCRT4_LIB)!=0
LTLINK = $(LTLINK) rpcrt4.lib
!ENDIF

# If a platform was set, force the linker to target that.
# Note that the vcvars*.bat family of batch files typically
# set this for you.  Otherwise, the linker will attempt
# to deduce the binary type based on the object files.
!IFDEF PLATFORM
LTLINKOPTS = /MACHINE:$(PLATFORM)
................................................................................
LIBRESOBJS = sqlite3res.lo
!ELSE
LIBRESOBJS =
!ENDIF

# All of the source code files.
#
SRC1 = \
  $(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\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
SRC2 = \
  $(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\pragma.h \
  $(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\wal.h \
  $(TOP)\src\walker.c \
  $(TOP)\src\where.c \
  $(TOP)\src\whereInt.h

# Source code for extensions
#
SRC3 = \
  $(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 \

  $(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
SRC4 = \
  $(TOP)\ext\fts3\fts3.c \
  $(TOP)\ext\fts3\fts3.h \
  $(TOP)\ext\fts3\fts3Int.h \
  $(TOP)\ext\fts3\fts3_aux.c \
  $(TOP)\ext\fts3\fts3_expr.c \
  $(TOP)\ext\fts3\fts3_hash.c \
  $(TOP)\ext\fts3\fts3_hash.h \
................................................................................
  $(TOP)\ext\fts3\fts3_snippet.c \
  $(TOP)\ext\fts3\fts3_tokenizer.h \
  $(TOP)\ext\fts3\fts3_tokenizer.c \
  $(TOP)\ext\fts3\fts3_tokenizer1.c \
  $(TOP)\ext\fts3\fts3_tokenize_vtab.c \
  $(TOP)\ext\fts3\fts3_unicode.c \
  $(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


# Generated source code files
#
SRC5 = \
  keywordhash.h \
  opcodes.c \
  opcodes.h \
  parse.c \
  parse.h \
  sqlite3.h

# All source code files.
#
SRC = $(SRC1) $(SRC2) $(SRC3) $(SRC4) $(SRC5)

# 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\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 \
   $(TOP)\src\pragma.h \
   sqlite3.h \
   $(TOP)\src\sqlite3ext.h \
   $(TOP)\src\sqliteInt.h \
   $(TOP)\src\sqliteLimit.h \
   $(TOP)\src\vdbe.h \
   $(TOP)\src\vdbeInt.h \
   $(TOP)\src\whereInt.h
................................................................................
# 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) $(TOP)\tool\vdbe-compress.tcl
	-rmdir /S/Q tsrc
	-mkdir tsrc
	for %i in ($(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
	$(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 $(TOP)\tool\mksqlite3c.tcl
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3c.tcl $(MKSQLITE3C_ARGS)
................................................................................
		$(TOP)\test\wordcount.c $(SQLITE3C)

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

clean:
	del /Q *.lo *.ilk *.lib *.obj *.pdb sqlite3.exe libsqlite3.lib 2>NUL
	del /Q *.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
	del /Q notasharedlib.* 2>NUL
	-rmdir /Q/S .deps 2>NUL
	-rmdir /Q/S .libs 2>NUL
	-rmdir /Q/S quota2a 2>NUL
	-rmdir /Q/S quota2b 2>NUL
	-rmdir /Q/S quota2c 2>NUL
	-rmdir /Q/S tsrc 2>NUL
	del /Q .target_source 2>NUL
	del /Q tclsqlite3.exe tclsqlite3.exp 2>NUL
	del /Q testloadext.dll testloadext.exp 2>NUL
	del /Q testfixture.exe testfixture.exp test.db 2>NUL
	del /Q LogEst.exe fts3view.exe rollback-test.exe showdb.exe 2>NUL
	del /Q showjournal.exe showstat4.exe showwal.exe speedtest1.exe 2>NUL
	del /Q wordcount.exe 2>NUL
	del /Q sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def 2>NUL
	del /Q sqlite3.c sqlite3-*.c 2>NUL
	del /Q sqlite3rc.h 2>NUL
	del /Q shell.c sqlite3ext.h 2>NUL
	del /Q sqlite3_analyzer.exe sqlite3_analyzer.exp sqlite3_analyzer.c 2>NUL
	del /Q sqlite-*-output.vsix 2>NUL
	del /Q mptester.exe 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) sqlite3.def
	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /DEF:sqlite3.def /OUT:$@ $(LIBOBJ) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

Changes to ext/fts3/fts3.c. 

3160
3161
3162
3163
3164
3165
3166

3167





3168
3169
3170

3171
3172
3173
3174
3175
3176
3177
....
5016
5017
5018
5019
5020
5021
5022
















5023
5024
5025
5026
5027
5028
5029
....
5388
5389
5390
5391
5392
5393
5394

5395
5396
5397
5398
5399
5400
5401
....
5633
5634
5635
5636
5637
5638
5639

5640
5641
5642
5643
5644
5645
5646
5647
5648
....
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
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
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746



5747
5748
5749
5750
5751
5752
5753


  /* Compile a SELECT statement for this cursor. For a full-table-scan, the
  ** statement loops through all rows of the %_content table. For a
  ** full-text query or docid lookup, the statement retrieves a single
  ** row by docid.
  */
  if( eSearch==FTS3_FULLSCAN_SEARCH ){

    zSql = sqlite3_mprintf(





        "SELECT %s ORDER BY rowid %s",
        p->zReadExprlist, (pCsr->bDesc ? "DESC" : "ASC")
    );

    if( zSql ){
      rc = sqlite3_prepare_v2(p->db, zSql, -1, &pCsr->pStmt, 0);
      sqlite3_free(zSql);
    }else{
      rc = SQLITE_NOMEM;
    }
  }else if( eSearch==FTS3_DOCID_SEARCH ){
................................................................................
              fts3EvalNextRow(pCsr, pLeft, pRc);
            }else{
              fts3EvalNextRow(pCsr, pRight, pRc);
            }
          }
          pExpr->iDocid = pLeft->iDocid;
          pExpr->bEof = (pLeft->bEof || pRight->bEof);
















        }
        break;
      }
  
      case FTSQUERY_OR: {
        Fts3Expr *pLeft = pExpr->pLeft;
        Fts3Expr *pRight = pExpr->pRight;
................................................................................
            sqlite3Fts3MsrIncrRestart(pToken->pSegcsr);
          }
        }
        *pRc = fts3EvalPhraseStart(pCsr, 0, pPhrase);
      }
      pPhrase->doclist.pNextDocid = 0;
      pPhrase->doclist.iDocid = 0;

    }

    pExpr->iDocid = 0;
    pExpr->bEof = 0;
    pExpr->bStart = 0;

    fts3EvalRestart(pCsr, pExpr->pLeft, pRc);
................................................................................
  if( (pPhrase->iColumn<pTab->nColumn && pPhrase->iColumn!=iCol) ){
    return SQLITE_OK;
  }

  iDocid = pExpr->iDocid;
  pIter = pPhrase->doclist.pList;
  if( iDocid!=pCsr->iPrevId || pExpr->bEof ){

    int bDescDoclist = pTab->bDescIdx;      /* For DOCID_CMP macro */
    int iMul;                     /* +1 if csr dir matches index dir, else -1 */
    int bOr = 0;
    u8 bEof = 0;
    u8 bTreeEof = 0;
    Fts3Expr *p;                  /* Used to iterate from pExpr to root */
    Fts3Expr *pNear;              /* Most senior NEAR ancestor (or pExpr) */

    /* Check if this phrase descends from an OR expression node. If not, 
................................................................................
    }
    if( bOr==0 ) return SQLITE_OK;

    /* This is the descendent of an OR node. In this case we cannot use
    ** an incremental phrase. Load the entire doclist for the phrase
    ** into memory in this case.  */
    if( pPhrase->bIncr ){
      int rc = SQLITE_OK;
      int bEofSave = pExpr->bEof;
      fts3EvalRestart(pCsr, pExpr, &rc);
      while( rc==SQLITE_OK && !pExpr->bEof ){
        fts3EvalNextRow(pCsr, pExpr, &rc);
        if( bEofSave==0 && pExpr->iDocid==iDocid ) break;
      }
      pIter = pPhrase->doclist.pList;
      assert( rc!=SQLITE_OK || pPhrase->bIncr==0 );
      if( rc!=SQLITE_OK ) return rc;
    }
    
    iMul = ((pCsr->bDesc==bDescDoclist) ? 1 : -1);
    while( bTreeEof==1 
        && pNear->bEof==0
        && (DOCID_CMP(pNear->iDocid, pCsr->iPrevId) * iMul)<0
    ){
      int rc = SQLITE_OK;
      fts3EvalNextRow(pCsr, pExpr, &rc);
      if( rc!=SQLITE_OK ) return rc;
      iDocid = pExpr->iDocid;
      pIter = pPhrase->doclist.pList;
    }

    bEof = (pPhrase->doclist.nAll==0);
    assert( bDescDoclist==0 || bDescDoclist==1 );
    assert( pCsr->bDesc==0 || pCsr->bDesc==1 );


    if( bEof==0 ){


      if( pCsr->bDesc==bDescDoclist ){
        int dummy;
        if( pNear->bEof ){
          /* This expression is already at EOF. So position it to point to the
          ** last entry in the doclist at pPhrase->doclist.aAll[]. Variable
          ** iDocid is already set for this entry, so all that is required is
          ** to set pIter to point to the first byte of the last position-list
          ** in the doclist. 
          **
          ** It would also be correct to set pIter and iDocid to zero. In
          ** this case, the first call to sqltie3Fts4DoclistPrev() below
          ** would also move the iterator to point to the last entry in the 
          ** doclist. However, this is expensive, as to do so it has to 
          ** iterate through the entire doclist from start to finish (since
          ** it does not know the docid for the last entry).  */
          pIter = &pPhrase->doclist.aAll[pPhrase->doclist.nAll-1];
          fts3ReversePoslist(pPhrase->doclist.aAll, &pIter);
        }

        while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)>0 ) && bEof==0 ){
          sqlite3Fts3DoclistPrev(
              bDescDoclist, pPhrase->doclist.aAll, pPhrase->doclist.nAll, 
              &pIter, &iDocid, &dummy, &bEof
          );
        }
      }else{
        if( pNear->bEof ){
          pIter = 0;
          iDocid = 0;
        }

        while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)<0 ) && bEof==0 ){

          sqlite3Fts3DoclistNext(
              bDescDoclist, pPhrase->doclist.aAll, pPhrase->doclist.nAll, 
              &pIter, &iDocid, &bEof
          );
        }
      }
    }



    if( bEof || iDocid!=pCsr->iPrevId ) pIter = 0;
  }
  if( pIter==0 ) return SQLITE_OK;

  if( *pIter==0x01 ){
    pIter++;
    pIter += fts3GetVarint32(pIter, &iThis);
  }else{
    iThis = 0;
  }
  while( iThis<iCol ){
    fts3ColumnlistCopy(0, &pIter);
    if( *pIter==0x00 ) return 0;
    pIter++;
    pIter += fts3GetVarint32(pIter, &iThis);



  }

  *ppOut = ((iCol==iThis)?pIter:0);
  return SQLITE_OK;
}

/*








>
|
>
>
>
>
>
|
|
|
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>







 







>

<







 







<
|
|
|
|
|

<

<

<
<
|
|
<
<
<
|
<
<
<
|
|
<
<
<
>

<
>
>
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
>
|
|
|
|
|
|
|
<
<
<
<
>
|
>
|
|
|
|
|
|
<
>
>













|


>
>
>








3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
....
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
....
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
....
5657
5658
5659
5660
5661
5662
5663
5664
5665

5666
5667
5668
5669
5670
5671
5672
....
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
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751


  /* Compile a SELECT statement for this cursor. For a full-table-scan, the
  ** statement loops through all rows of the %_content table. For a
  ** full-text query or docid lookup, the statement retrieves a single
  ** row by docid.
  */
  if( eSearch==FTS3_FULLSCAN_SEARCH ){
    if( pDocidGe || pDocidLe ){
      zSql = sqlite3_mprintf(
          "SELECT %s WHERE rowid BETWEEN %lld AND %lld ORDER BY rowid %s",
          p->zReadExprlist, pCsr->iMinDocid, pCsr->iMaxDocid,
          (pCsr->bDesc ? "DESC" : "ASC")
      );
    }else{
      zSql = sqlite3_mprintf("SELECT %s ORDER BY rowid %s", 
          p->zReadExprlist, (pCsr->bDesc ? "DESC" : "ASC")
      );
    }
    if( zSql ){
      rc = sqlite3_prepare_v2(p->db, zSql, -1, &pCsr->pStmt, 0);
      sqlite3_free(zSql);
    }else{
      rc = SQLITE_NOMEM;
    }
  }else if( eSearch==FTS3_DOCID_SEARCH ){
................................................................................
              fts3EvalNextRow(pCsr, pLeft, pRc);
            }else{
              fts3EvalNextRow(pCsr, pRight, pRc);
            }
          }
          pExpr->iDocid = pLeft->iDocid;
          pExpr->bEof = (pLeft->bEof || pRight->bEof);
          if( pExpr->eType==FTSQUERY_NEAR && pExpr->bEof ){
            if( pRight->pPhrase && pRight->pPhrase->doclist.aAll ){
              Fts3Doclist *pDl = &pRight->pPhrase->doclist;
              while( *pRc==SQLITE_OK && pRight->bEof==0 ){
                memset(pDl->pList, 0, pDl->nList);
                fts3EvalNextRow(pCsr, pRight, pRc);
              }
            }
            if( pLeft->pPhrase && pLeft->pPhrase->doclist.aAll ){
              Fts3Doclist *pDl = &pLeft->pPhrase->doclist;
              while( *pRc==SQLITE_OK && pLeft->bEof==0 ){
                memset(pDl->pList, 0, pDl->nList);
                fts3EvalNextRow(pCsr, pLeft, pRc);
              }
            }
          }
        }
        break;
      }
  
      case FTSQUERY_OR: {
        Fts3Expr *pLeft = pExpr->pLeft;
        Fts3Expr *pRight = pExpr->pRight;
................................................................................
            sqlite3Fts3MsrIncrRestart(pToken->pSegcsr);
          }
        }
        *pRc = fts3EvalPhraseStart(pCsr, 0, pPhrase);
      }
      pPhrase->doclist.pNextDocid = 0;
      pPhrase->doclist.iDocid = 0;
      pPhrase->pOrPoslist = 0;
    }

    pExpr->iDocid = 0;
    pExpr->bEof = 0;
    pExpr->bStart = 0;

    fts3EvalRestart(pCsr, pExpr->pLeft, pRc);
................................................................................
  if( (pPhrase->iColumn<pTab->nColumn && pPhrase->iColumn!=iCol) ){
    return SQLITE_OK;
  }

  iDocid = pExpr->iDocid;
  pIter = pPhrase->doclist.pList;
  if( iDocid!=pCsr->iPrevId || pExpr->bEof ){
    int rc = SQLITE_OK;
    int bDescDoclist = pTab->bDescIdx;      /* For DOCID_CMP macro */

    int bOr = 0;
    u8 bEof = 0;
    u8 bTreeEof = 0;
    Fts3Expr *p;                  /* Used to iterate from pExpr to root */
    Fts3Expr *pNear;              /* Most senior NEAR ancestor (or pExpr) */

    /* Check if this phrase descends from an OR expression node. If not, 
................................................................................
    }
    if( bOr==0 ) return SQLITE_OK;

    /* This is the descendent of an OR node. In this case we cannot use
    ** an incremental phrase. Load the entire doclist for the phrase
    ** into memory in this case.  */
    if( pPhrase->bIncr ){

      int bEofSave = pNear->bEof;
      fts3EvalRestart(pCsr, pNear, &rc);
      while( rc==SQLITE_OK && !pNear->bEof ){
        fts3EvalNextRow(pCsr, pNear, &rc);
        if( bEofSave==0 && pNear->iDocid==iDocid ) break;
      }

      assert( rc!=SQLITE_OK || pPhrase->bIncr==0 );

    }


    if( bTreeEof ){
      while( rc==SQLITE_OK && !pNear->bEof ){



        fts3EvalNextRow(pCsr, pNear, &rc);



      }
    }



    if( rc!=SQLITE_OK ) return rc;


    pIter = pPhrase->pOrPoslist;
    iDocid = pPhrase->iOrDocid;
    if( pCsr->bDesc==bDescDoclist ){

















      bEof = (pIter >= (pPhrase->doclist.aAll + pPhrase->doclist.nAll));
      while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)<0 ) && bEof==0 ){
        sqlite3Fts3DoclistNext(
            bDescDoclist, pPhrase->doclist.aAll, pPhrase->doclist.nAll, 
            &pIter, &iDocid, &bEof
        );
      }
    }else{




      bEof = !pPhrase->doclist.nAll || (pIter && pIter<=pPhrase->doclist.aAll);
      while( (pIter==0 || DOCID_CMP(iDocid, pCsr->iPrevId)>0 ) && bEof==0 ){
        int dummy;
        sqlite3Fts3DoclistPrev(
            bDescDoclist, pPhrase->doclist.aAll, pPhrase->doclist.nAll, 
            &pIter, &iDocid, &dummy, &bEof
        );
      }
    }

    pPhrase->pOrPoslist = pIter;
    pPhrase->iOrDocid = iDocid;

    if( bEof || iDocid!=pCsr->iPrevId ) pIter = 0;
  }
  if( pIter==0 ) return SQLITE_OK;

  if( *pIter==0x01 ){
    pIter++;
    pIter += fts3GetVarint32(pIter, &iThis);
  }else{
    iThis = 0;
  }
  while( iThis<iCol ){
    fts3ColumnlistCopy(0, &pIter);
    if( *pIter==0x00 ) return SQLITE_OK;
    pIter++;
    pIter += fts3GetVarint32(pIter, &iThis);
  }
  if( *pIter==0x00 ){
    pIter = 0;
  }

  *ppOut = ((iCol==iThis)?pIter:0);
  return SQLITE_OK;
}

/*

Changes to ext/fts3/fts3Int.h. 

370
371
372
373
374
375
376





377
378
379
380
381
382
383

};

struct Fts3Phrase {
  /* Cache of doclist for this phrase. */
  Fts3Doclist doclist;
  int bIncr;                 /* True if doclist is loaded incrementally */
  int iDoclistToken;






  /* Variables below this point are populated by fts3_expr.c when parsing 
  ** a MATCH expression. Everything above is part of the evaluation phase. 
  */
  int nToken;                /* Number of tokens in the phrase */
  int iColumn;               /* Index of column this phrase must match */
  Fts3PhraseToken aToken[1]; /* One entry for each token in the phrase */








>
>
>
>
>








370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388

};

struct Fts3Phrase {
  /* Cache of doclist for this phrase. */
  Fts3Doclist doclist;
  int bIncr;                 /* True if doclist is loaded incrementally */
  int iDoclistToken;

  /* Used by sqlite3Fts3EvalPhrasePoslist() if this is a descendent of an
  ** OR condition.  */
  char *pOrPoslist;
  i64 iOrDocid;

  /* Variables below this point are populated by fts3_expr.c when parsing 
  ** a MATCH expression. Everything above is part of the evaluation phase. 
  */
  int nToken;                /* Number of tokens in the phrase */
  int iColumn;               /* Index of column this phrase must match */
  Fts3PhraseToken aToken[1]; /* One entry for each token in the phrase */

Changes to ext/fts3/fts3_snippet.c. 

438
439
440
441
442
443
444
445

446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474


475
476
477
478
479
480
481
482
...
676
677
678
679
680
681
682
683

684



685
686
687
688
689
690
691

  ** the set of phrases in the expression to populate the aPhrase[] array.
  */
  sIter.pCsr = pCsr;
  sIter.iCol = iCol;
  sIter.nSnippet = nSnippet;
  sIter.nPhrase = nList;
  sIter.iCurrent = -1;
  (void)fts3ExprIterate(pCsr->pExpr, fts3SnippetFindPositions, (void *)&sIter);


  /* Set the *pmSeen output variable. */
  for(i=0; i<nList; i++){
    if( sIter.aPhrase[i].pHead ){
      *pmSeen |= (u64)1 << i;
    }
  }

  /* Loop through all candidate snippets. Store the best snippet in 
  ** *pFragment. Store its associated 'score' in iBestScore.
  */
  pFragment->iCol = iCol;
  while( !fts3SnippetNextCandidate(&sIter) ){
    int iPos;
    int iScore;
    u64 mCover;
    u64 mHighlight;
    fts3SnippetDetails(&sIter, mCovered, &iPos, &iScore, &mCover, &mHighlight);
    assert( iScore>=0 );
    if( iScore>iBestScore ){
      pFragment->iPos = iPos;
      pFragment->hlmask = mHighlight;
      pFragment->covered = mCover;
      iBestScore = iScore;
    }
  }

  sqlite3_free(sIter.aPhrase);
  *piScore = iBestScore;


  return SQLITE_OK;
}


/*
** Append a string to the string-buffer passed as the first argument.
**
** If nAppend is negative, then the length of the string zAppend is
................................................................................
      );
      isShiftDone = 1;

      /* Now that the shift has been done, check if the initial "..." are
      ** required. They are required if (a) this is not the first fragment,
      ** or (b) this fragment does not begin at position 0 of its column. 
      */
      if( rc==SQLITE_OK && (iPos>0 || iFragment>0) ){

        rc = fts3StringAppend(pOut, zEllipsis, -1);



      }
      if( rc!=SQLITE_OK || iCurrent<iPos ) continue;
    }

    if( iCurrent>=(iPos+nSnippet) ){
      if( isLast ){
        rc = fts3StringAppend(pOut, zEllipsis, -1);








|
>

|
|
|
|
|
|

|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|

<
|
>
>
|







 







|
>
|
>
>
>








438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473

474
475
476
477
478
479
480
481
482
483
484
...
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697

  ** the set of phrases in the expression to populate the aPhrase[] array.
  */
  sIter.pCsr = pCsr;
  sIter.iCol = iCol;
  sIter.nSnippet = nSnippet;
  sIter.nPhrase = nList;
  sIter.iCurrent = -1;
  rc = fts3ExprIterate(pCsr->pExpr, fts3SnippetFindPositions, (void *)&sIter);
  if( rc==SQLITE_OK ){

    /* Set the *pmSeen output variable. */
    for(i=0; i<nList; i++){
      if( sIter.aPhrase[i].pHead ){
        *pmSeen |= (u64)1 << i;
      }
    }

    /* Loop through all candidate snippets. Store the best snippet in 
     ** *pFragment. Store its associated 'score' in iBestScore.
     */
    pFragment->iCol = iCol;
    while( !fts3SnippetNextCandidate(&sIter) ){
      int iPos;
      int iScore;
      u64 mCover;
      u64 mHighlite;
      fts3SnippetDetails(&sIter, mCovered, &iPos, &iScore, &mCover,&mHighlite);
      assert( iScore>=0 );
      if( iScore>iBestScore ){
        pFragment->iPos = iPos;
        pFragment->hlmask = mHighlite;
        pFragment->covered = mCover;
        iBestScore = iScore;
      }
    }


    *piScore = iBestScore;
  }
  sqlite3_free(sIter.aPhrase);
  return rc;
}


/*
** Append a string to the string-buffer passed as the first argument.
**
** If nAppend is negative, then the length of the string zAppend is
................................................................................
      );
      isShiftDone = 1;

      /* Now that the shift has been done, check if the initial "..." are
      ** required. They are required if (a) this is not the first fragment,
      ** or (b) this fragment does not begin at position 0 of its column. 
      */
      if( rc==SQLITE_OK ){
        if( iPos>0 || iFragment>0 ){
          rc = fts3StringAppend(pOut, zEllipsis, -1);
        }else if( iBegin ){
          rc = fts3StringAppend(pOut, zDoc, iBegin);
        }
      }
      if( rc!=SQLITE_OK || iCurrent<iPos ) continue;
    }

    if( iCurrent>=(iPos+nSnippet) ){
      if( isLast ){
        rc = fts3StringAppend(pOut, zEllipsis, -1);

Changes to ext/misc/compress.c. 

34
35
36
37
38
39
40

41
42
43
44
45
46
47
48
49
50
51
52
53

54



55
56
57
58
59
60
61
..
78
79
80
81
82
83
84


85
86
87
88
89
90
91

  sqlite3_value **argv
){
  const unsigned char *pIn;
  unsigned char *pOut;
  unsigned int nIn;
  unsigned long int nOut;
  unsigned char x[8];

  int i, j;

  pIn = sqlite3_value_blob(argv[0]);
  nIn = sqlite3_value_bytes(argv[0]);
  nOut = 13 + nIn + (nIn+999)/1000;
  pOut = sqlite3_malloc( nOut+5 );
  for(i=4; i>=0; i--){
    x[i] = (nIn >> (7*(4-i)))&0x7f;
  }
  for(i=0; i<4 && x[i]==0; i++){}
  for(j=0; i<=4; i++, j++) pOut[j] = x[i];
  pOut[j-1] |= 0x80;
  compress(&pOut[j], &nOut, pIn, nIn);

  sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);



}

/*
** Implementation of the "uncompress(X)" SQL function.  The argument X
** is a blob which was obtained from compress(Y).  The output will be
** the value Y.
*/
................................................................................
    nOut = (nOut<<7) | (pIn[i]&0x7f);
    if( (pIn[i]&0x80)!=0 ){ i++; break; }
  }
  pOut = sqlite3_malloc( nOut+1 );
  rc = uncompress(pOut, &nOut, &pIn[i], nIn-i);
  if( rc==Z_OK ){
    sqlite3_result_blob(context, pOut, nOut, sqlite3_free);


  }
}


#ifdef _WIN32
__declspec(dllexport)
#endif








>












|
>
|
>
>
>







 







>
>








34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
..
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98

  sqlite3_value **argv
){
  const unsigned char *pIn;
  unsigned char *pOut;
  unsigned int nIn;
  unsigned long int nOut;
  unsigned char x[8];
  int rc;
  int i, j;

  pIn = sqlite3_value_blob(argv[0]);
  nIn = sqlite3_value_bytes(argv[0]);
  nOut = 13 + nIn + (nIn+999)/1000;
  pOut = sqlite3_malloc( nOut+5 );
  for(i=4; i>=0; i--){
    x[i] = (nIn >> (7*(4-i)))&0x7f;
  }
  for(i=0; i<4 && x[i]==0; i++){}
  for(j=0; i<=4; i++, j++) pOut[j] = x[i];
  pOut[j-1] |= 0x80;
  rc = compress(&pOut[j], &nOut, pIn, nIn);
  if( rc==Z_OK ){
    sqlite3_result_blob(context, pOut, nOut+j, sqlite3_free);
  }else{
    sqlite3_free(pOut);
  }
}

/*
** Implementation of the "uncompress(X)" SQL function.  The argument X
** is a blob which was obtained from compress(Y).  The output will be
** the value Y.
*/
................................................................................
    nOut = (nOut<<7) | (pIn[i]&0x7f);
    if( (pIn[i]&0x80)!=0 ){ i++; break; }
  }
  pOut = sqlite3_malloc( nOut+1 );
  rc = uncompress(pOut, &nOut, &pIn[i], nIn-i);
  if( rc==Z_OK ){
    sqlite3_result_blob(context, pOut, nOut, sqlite3_free);
  }else{
    sqlite3_free(pOut);
  }
}


#ifdef _WIN32
__declspec(dllexport)
#endif

Changes to main.mk. 

129
130
131
132
133
134
135

136
137
138
139
140
141
142
...
352
353
354
355
356
357
358

359
360
361
362
363
364
365

  $(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/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 \
   $(TOP)/src/whereInt.h








>







 







>








129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
...
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367

  $(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/pragma.h \
  $(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/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  \
   $(TOP)/src/pragma.h \
   sqlite3.h  \
   $(TOP)/src/sqlite3ext.h \
   $(TOP)/src/sqliteInt.h  \
   $(TOP)/src/sqliteLimit.h \
   $(TOP)/src/vdbe.h \
   $(TOP)/src/vdbeInt.h \
   $(TOP)/src/whereInt.h

Changes to src/attach.c. 

187
188
189
190
191
192
193
194
195
196
197
198
199
200
201

        zKey = (char *)sqlite3_value_blob(argv[2]);
        rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;

      case SQLITE_NULL:
        /* No key specified.  Use the key from the main database */
        sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey);
        if( nKey>0 || sqlite3BtreeGetReserve(db->aDb[0].pBt)>0 ){
          rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        }
        break;
    }
  }
#endif









|








187
188
189
190
191
192
193
194
195
196
197
198
199
200
201

        zKey = (char *)sqlite3_value_blob(argv[2]);
        rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;

      case SQLITE_NULL:
        /* No key specified.  Use the key from the main database */
        sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey);
        if( nKey>0 || sqlite3BtreeGetOptimalReserve(db->aDb[0].pBt)>0 ){
          rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        }
        break;
    }
  }
#endif

Changes to src/backup.c. 

243
244
245
246
247
248
249
250
251
252
253
254
255
256
257

  const int nCopy = MIN(nSrcPgsz, nDestPgsz);
  const i64 iEnd = (i64)iSrcPg*(i64)nSrcPgsz;
#ifdef SQLITE_HAS_CODEC
  /* Use BtreeGetReserveNoMutex() for the source b-tree, as although it is
  ** guaranteed that the shared-mutex is held by this thread, handle
  ** p->pSrc may not actually be the owner.  */
  int nSrcReserve = sqlite3BtreeGetReserveNoMutex(p->pSrc);
  int nDestReserve = sqlite3BtreeGetReserve(p->pDest);
#endif
  int rc = SQLITE_OK;
  i64 iOff;

  assert( sqlite3BtreeGetReserveNoMutex(p->pSrc)>=0 );
  assert( p->bDestLocked );
  assert( !isFatalError(p->rc) );








|








243
244
245
246
247
248
249
250
251
252
253
254
255
256
257

  const int nCopy = MIN(nSrcPgsz, nDestPgsz);
  const i64 iEnd = (i64)iSrcPg*(i64)nSrcPgsz;
#ifdef SQLITE_HAS_CODEC
  /* Use BtreeGetReserveNoMutex() for the source b-tree, as although it is
  ** guaranteed that the shared-mutex is held by this thread, handle
  ** p->pSrc may not actually be the owner.  */
  int nSrcReserve = sqlite3BtreeGetReserveNoMutex(p->pSrc);
  int nDestReserve = sqlite3BtreeGetOptimalReserve(p->pDest);
#endif
  int rc = SQLITE_OK;
  i64 iOff;

  assert( sqlite3BtreeGetReserveNoMutex(p->pSrc)>=0 );
  assert( p->bDestLocked );
  assert( !isFatalError(p->rc) );

Changes to src/btree.c. 

171
172
173
174
175
176
177






178
179
180
181
182
183
184
....
2395
2396
2397
2398
2399
2400
2401



2402
2403
2404
2405
2406
2407
2408
....
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443

2444
2445

2446
2447
2448
2449
2450
2451
2452
2453




2454
2455
2456
2457
2458




2459
2460
2461

2462
2463
2464
2465
2466
2467
2468
....
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500

  ** written. For index b-trees, it is the root page of the associated
  ** table.  */
  if( isIndex ){
    HashElem *p;
    for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){
      Index *pIdx = (Index *)sqliteHashData(p);
      if( pIdx->tnum==(int)iRoot ){






        iTab = pIdx->pTable->tnum;
      }
    }
  }else{
    iTab = iRoot;
  }

................................................................................
** and autovacuum mode can no longer be changed.
*/
int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){
  int rc = SQLITE_OK;
  BtShared *pBt = p->pBt;
  assert( nReserve>=-1 && nReserve<=255 );
  sqlite3BtreeEnter(p);



  if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){
    sqlite3BtreeLeave(p);
    return SQLITE_READONLY;
  }
  if( nReserve<0 ){
    nReserve = pBt->pageSize - pBt->usableSize;
  }
................................................................................
/*
** Return the currently defined page size
*/
int sqlite3BtreeGetPageSize(Btree *p){
  return p->pBt->pageSize;
}

#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_DEBUG)
/*
** This function is similar to sqlite3BtreeGetReserve(), except that it
** may only be called if it is guaranteed that the b-tree mutex is already
** held.
**
** This is useful in one special case in the backup API code where it is
** known that the shared b-tree mutex is held, but the mutex on the 
** database handle that owns *p is not. In this case if sqlite3BtreeEnter()
** were to be called, it might collide with some other operation on the
** database handle that owns *p, causing undefined behavior.
*/
int sqlite3BtreeGetReserveNoMutex(Btree *p){

  assert( sqlite3_mutex_held(p->pBt->mutex) );
  return p->pBt->pageSize - p->pBt->usableSize;

}
#endif /* SQLITE_HAS_CODEC || SQLITE_DEBUG */

#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) || !defined(SQLITE_OMIT_VACUUM)
/*
** Return the number of bytes of space at the end of every page that
** are intentually left unused.  This is the "reserved" space that is
** sometimes used by extensions.




*/
int sqlite3BtreeGetReserve(Btree *p){
  int n;
  sqlite3BtreeEnter(p);
  n = p->pBt->pageSize - p->pBt->usableSize;




  sqlite3BtreeLeave(p);
  return n;
}


/*
** Set the maximum page count for a database if mxPage is positive.
** No changes are made if mxPage is 0 or negative.
** Regardless of the value of mxPage, return the maximum page count.
*/
int sqlite3BtreeMaxPageCount(Btree *p, int mxPage){
................................................................................
    p->pBt->btsFlags &= ~BTS_SECURE_DELETE;
    if( newFlag ) p->pBt->btsFlags |= BTS_SECURE_DELETE;
  } 
  b = (p->pBt->btsFlags & BTS_SECURE_DELETE)!=0;
  sqlite3BtreeLeave(p);
  return b;
}
#endif /* !defined(SQLITE_OMIT_PAGER_PRAGMAS) || !defined(SQLITE_OMIT_VACUUM) */

/*
** Change the 'auto-vacuum' property of the database. If the 'autoVacuum'
** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it
** is disabled. The default value for the auto-vacuum property is 
** determined by the SQLITE_DEFAULT_AUTOVACUUM macro.
*/








>
>
>
>
>
>







 







>
>
>







 







<












>

|
>

<

<




>
>
>
>

|


<
>
>
>
>



>







 







<








171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
....
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
....
2433
2434
2435
2436
2437
2438
2439

2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456

2457

2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469

2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
....
2502
2503
2504
2505
2506
2507
2508

2509
2510
2511
2512
2513
2514
2515

  ** written. For index b-trees, it is the root page of the associated
  ** table.  */
  if( isIndex ){
    HashElem *p;
    for(p=sqliteHashFirst(&pSchema->idxHash); p; p=sqliteHashNext(p)){
      Index *pIdx = (Index *)sqliteHashData(p);
      if( pIdx->tnum==(int)iRoot ){
        if( iTab ){
          /* Two or more indexes share the same root page.  There must
          ** be imposter tables.  So just return true.  The assert is not
          ** useful in that case. */
          return 1;
        }
        iTab = pIdx->pTable->tnum;
      }
    }
  }else{
    iTab = iRoot;
  }

................................................................................
** and autovacuum mode can no longer be changed.
*/
int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){
  int rc = SQLITE_OK;
  BtShared *pBt = p->pBt;
  assert( nReserve>=-1 && nReserve<=255 );
  sqlite3BtreeEnter(p);
#if SQLITE_HAS_CODEC
  if( nReserve>pBt->optimalReserve ) pBt->optimalReserve = (u8)nReserve;
#endif
  if( pBt->btsFlags & BTS_PAGESIZE_FIXED ){
    sqlite3BtreeLeave(p);
    return SQLITE_READONLY;
  }
  if( nReserve<0 ){
    nReserve = pBt->pageSize - pBt->usableSize;
  }
................................................................................
/*
** Return the currently defined page size
*/
int sqlite3BtreeGetPageSize(Btree *p){
  return p->pBt->pageSize;
}


/*
** This function is similar to sqlite3BtreeGetReserve(), except that it
** may only be called if it is guaranteed that the b-tree mutex is already
** held.
**
** This is useful in one special case in the backup API code where it is
** known that the shared b-tree mutex is held, but the mutex on the 
** database handle that owns *p is not. In this case if sqlite3BtreeEnter()
** were to be called, it might collide with some other operation on the
** database handle that owns *p, causing undefined behavior.
*/
int sqlite3BtreeGetReserveNoMutex(Btree *p){
  int n;
  assert( sqlite3_mutex_held(p->pBt->mutex) );
  n = p->pBt->pageSize - p->pBt->usableSize;
  return n;
}



/*
** Return the number of bytes of space at the end of every page that
** are intentually left unused.  This is the "reserved" space that is
** sometimes used by extensions.
**
** If SQLITE_HAS_MUTEX is defined then the number returned is the
** greater of the current reserved space and the maximum requested
** reserve space.
*/
int sqlite3BtreeGetOptimalReserve(Btree *p){
  int n;
  sqlite3BtreeEnter(p);

  n = sqlite3BtreeGetReserveNoMutex(p);
#ifdef SQLITE_HAS_CODEC
  if( n<p->pBt->optimalReserve ) n = p->pBt->optimalReserve;
#endif
  sqlite3BtreeLeave(p);
  return n;
}


/*
** Set the maximum page count for a database if mxPage is positive.
** No changes are made if mxPage is 0 or negative.
** Regardless of the value of mxPage, return the maximum page count.
*/
int sqlite3BtreeMaxPageCount(Btree *p, int mxPage){
................................................................................
    p->pBt->btsFlags &= ~BTS_SECURE_DELETE;
    if( newFlag ) p->pBt->btsFlags |= BTS_SECURE_DELETE;
  } 
  b = (p->pBt->btsFlags & BTS_SECURE_DELETE)!=0;
  sqlite3BtreeLeave(p);
  return b;
}


/*
** Change the 'auto-vacuum' property of the database. If the 'autoVacuum'
** parameter is non-zero, then auto-vacuum mode is enabled. If zero, it
** is disabled. The default value for the auto-vacuum property is 
** determined by the SQLITE_DEFAULT_AUTOVACUUM macro.
*/

Changes to src/btree.h. 

69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86

int sqlite3BtreeSetPagerFlags(Btree*,unsigned);
int sqlite3BtreeSyncDisabled(Btree*);
int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix);
int sqlite3BtreeGetPageSize(Btree*);
int sqlite3BtreeMaxPageCount(Btree*,int);
u32 sqlite3BtreeLastPage(Btree*);
int sqlite3BtreeSecureDelete(Btree*,int);
int sqlite3BtreeGetReserve(Btree*);
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_DEBUG)
int sqlite3BtreeGetReserveNoMutex(Btree *p);
#endif
int sqlite3BtreeSetAutoVacuum(Btree *, int);
int sqlite3BtreeGetAutoVacuum(Btree *);
int sqlite3BtreeBeginTrans(Btree*,int);
int sqlite3BtreeCommitPhaseOne(Btree*, const char *zMaster);
int sqlite3BtreeCommitPhaseTwo(Btree*, int);
int sqlite3BtreeCommit(Btree*);
int sqlite3BtreeRollback(Btree*,int,int);








|
<

<








69
70
71
72
73
74
75
76

77

78
79
80
81
82
83
84

int sqlite3BtreeSetPagerFlags(Btree*,unsigned);
int sqlite3BtreeSyncDisabled(Btree*);
int sqlite3BtreeSetPageSize(Btree *p, int nPagesize, int nReserve, int eFix);
int sqlite3BtreeGetPageSize(Btree*);
int sqlite3BtreeMaxPageCount(Btree*,int);
u32 sqlite3BtreeLastPage(Btree*);
int sqlite3BtreeSecureDelete(Btree*,int);
int sqlite3BtreeGetOptimalReserve(Btree*);

int sqlite3BtreeGetReserveNoMutex(Btree *p);

int sqlite3BtreeSetAutoVacuum(Btree *, int);
int sqlite3BtreeGetAutoVacuum(Btree *);
int sqlite3BtreeBeginTrans(Btree*,int);
int sqlite3BtreeCommitPhaseOne(Btree*, const char *zMaster);
int sqlite3BtreeCommitPhaseTwo(Btree*, int);
int sqlite3BtreeCommit(Btree*);
int sqlite3BtreeRollback(Btree*,int,int);

Changes to src/btreeInt.h. 

414
415
416
417
418
419
420



421
422
423
424
425
426
427

#ifndef SQLITE_OMIT_AUTOVACUUM
  u8 autoVacuum;        /* True if auto-vacuum is enabled */
  u8 incrVacuum;        /* True if incr-vacuum is enabled */
  u8 bDoTruncate;       /* True to truncate db on commit */
#endif
  u8 inTransaction;     /* Transaction state */
  u8 max1bytePayload;   /* Maximum first byte of cell for a 1-byte payload */



  u16 btsFlags;         /* Boolean parameters.  See BTS_* macros below */
  u16 maxLocal;         /* Maximum local payload in non-LEAFDATA tables */
  u16 minLocal;         /* Minimum local payload in non-LEAFDATA tables */
  u16 maxLeaf;          /* Maximum local payload in a LEAFDATA table */
  u16 minLeaf;          /* Minimum local payload in a LEAFDATA table */
  u32 pageSize;         /* Total number of bytes on a page */
  u32 usableSize;       /* Number of usable bytes on each page */








>
>
>








414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430

#ifndef SQLITE_OMIT_AUTOVACUUM
  u8 autoVacuum;        /* True if auto-vacuum is enabled */
  u8 incrVacuum;        /* True if incr-vacuum is enabled */
  u8 bDoTruncate;       /* True to truncate db on commit */
#endif
  u8 inTransaction;     /* Transaction state */
  u8 max1bytePayload;   /* Maximum first byte of cell for a 1-byte payload */
#ifdef SQLITE_HAS_CODEC
  u8 optimalReserve;    /* Desired amount of reserved space per page */
#endif
  u16 btsFlags;         /* Boolean parameters.  See BTS_* macros below */
  u16 maxLocal;         /* Maximum local payload in non-LEAFDATA tables */
  u16 minLocal;         /* Minimum local payload in non-LEAFDATA tables */
  u16 maxLeaf;          /* Maximum local payload in a LEAFDATA table */
  u16 minLeaf;          /* Minimum local payload in a LEAFDATA table */
  u32 pageSize;         /* Total number of bytes on a page */
  u32 usableSize;       /* Number of usable bytes on each page */

Changes to src/build.c. 

304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
....
1727
1728
1729
1730
1731
1732
1733
1734


1735
1736
1737
1738

1739
1740
1741
1742
1743
1744
1745

**
** See also sqlite3LocateTable().
*/
Table *sqlite3FindTable(sqlite3 *db, const char *zName, const char *zDatabase){
  Table *p = 0;
  int i;

#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zName==0 ) return 0;
#endif

  /* All mutexes are required for schema access.  Make sure we hold them. */
  assert( zDatabase!=0 || sqlite3BtreeHoldsAllMutexes(db) );
#if SQLITE_USER_AUTHENTICATION
  /* Only the admin user is allowed to know that the sqlite_user table
  ** exists */
  if( db->auth.authLevel<UAUTH_Admin && sqlite3UserAuthTable(zName)!=0 ){
    return 0;
................................................................................
    }
    pPk->nKeyCol = j;
  }
  pPk->isCovering = 1;
  assert( pPk!=0 );
  nPk = pPk->nKeyCol;

  /* Make sure every column of the PRIMARY KEY is NOT NULL */


  for(i=0; i<nPk; i++){
    pTab->aCol[pPk->aiColumn[i]].notNull = 1;
  }
  pPk->uniqNotNull = 1;


  /* The root page of the PRIMARY KEY is the table root page */
  pPk->tnum = pTab->tnum;

  /* Update the in-memory representation of all UNIQUE indices by converting
  ** the final rowid column into one or more columns of the PRIMARY KEY.
  */








<
<
<
<







 







|
>
>
|
|
|
|
>








304
305
306
307
308
309
310




311
312
313
314
315
316
317
....
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744

**
** See also sqlite3LocateTable().
*/
Table *sqlite3FindTable(sqlite3 *db, const char *zName, const char *zDatabase){
  Table *p = 0;
  int i;





  /* All mutexes are required for schema access.  Make sure we hold them. */
  assert( zDatabase!=0 || sqlite3BtreeHoldsAllMutexes(db) );
#if SQLITE_USER_AUTHENTICATION
  /* Only the admin user is allowed to know that the sqlite_user table
  ** exists */
  if( db->auth.authLevel<UAUTH_Admin && sqlite3UserAuthTable(zName)!=0 ){
    return 0;
................................................................................
    }
    pPk->nKeyCol = j;
  }
  pPk->isCovering = 1;
  assert( pPk!=0 );
  nPk = pPk->nKeyCol;

  /* Make sure every column of the PRIMARY KEY is NOT NULL.  (Except,
  ** do not enforce this for imposter tables.) */
  if( !db->init.imposterTable ){
    for(i=0; i<nPk; i++){
      pTab->aCol[pPk->aiColumn[i]].notNull = 1;
    }
    pPk->uniqNotNull = 1;
  }

  /* The root page of the PRIMARY KEY is the table root page */
  pPk->tnum = pTab->tnum;

  /* Update the in-memory representation of all UNIQUE indices by converting
  ** the final rowid column into one or more columns of the PRIMARY KEY.
  */

Changes to src/delete.c. 

185
186
187
188
189
190
191
192
193
194
195
196
197
198
199

  pWhereRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0, 0);
  if( pWhereRowid == 0 ) goto limit_where_cleanup_1;
  pInClause = sqlite3PExpr(pParse, TK_IN, pWhereRowid, 0, 0);
  if( pInClause == 0 ) goto limit_where_cleanup_1;

  pInClause->x.pSelect = pSelect;
  pInClause->flags |= EP_xIsSelect;
  sqlite3ExprSetHeight(pParse, pInClause);
  return pInClause;

  /* something went wrong. clean up anything allocated. */
limit_where_cleanup_1:
  sqlite3SelectDelete(pParse->db, pSelect);
  return 0;









|








185
186
187
188
189
190
191
192
193
194
195
196
197
198
199

  pWhereRowid = sqlite3PExpr(pParse, TK_ROW, 0, 0, 0);
  if( pWhereRowid == 0 ) goto limit_where_cleanup_1;
  pInClause = sqlite3PExpr(pParse, TK_IN, pWhereRowid, 0, 0);
  if( pInClause == 0 ) goto limit_where_cleanup_1;

  pInClause->x.pSelect = pSelect;
  pInClause->flags |= EP_xIsSelect;
  sqlite3ExprSetHeightAndFlags(pParse, pInClause);
  return pInClause;

  /* something went wrong. clean up anything allocated. */
limit_where_cleanup_1:
  sqlite3SelectDelete(pParse->db, pSelect);
  return 0;

Changes to src/expr.c. 

128
129
130
131
132
133
134
135
136
137

138
139
140
141
142
143
144
145
146
147
148
149
150
151
152















153
154
155
156
157
158
159
...
351
352
353
354
355
356
357



358
359
360
361
362
363
364
365
366

367
368
369
370
371
372
373
374



375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390









391
392
393
394
395
396
397
398
...
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
...
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
....
1204
1205
1206
1207
1208
1209
1210















1211
1212
1213
1214
1215
1216
1217
....
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
....
2252
2253
2254
2255
2256
2257
2258
2259

2260
2261
2262
2263
2264
2265
2266

      p = p->pLeft;
      continue;
    }
    if( op==TK_COLLATE || (op==TK_REGISTER && p->op2==TK_COLLATE) ){
      pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken);
      break;
    }
    if( p->pTab!=0
     && (op==TK_AGG_COLUMN || op==TK_COLUMN
          || op==TK_REGISTER || op==TK_TRIGGER)

    ){
      /* op==TK_REGISTER && p->pTab!=0 happens when pExpr was originally
      ** a TK_COLUMN but was previously evaluated and cached in a register */
      int j = p->iColumn;
      if( j>=0 ){
        const char *zColl = p->pTab->aCol[j].zColl;
        pColl = sqlite3FindCollSeq(db, ENC(db), zColl, 0);
      }
      break;
    }
    if( p->flags & EP_Collate ){
      if( ALWAYS(p->pLeft) && (p->pLeft->flags & EP_Collate)!=0 ){
        p = p->pLeft;
      }else{
        p = p->pRight;















      }
    }else{
      break;
    }
  }
  if( sqlite3CheckCollSeq(pParse, pColl) ){ 
    pColl = 0;
................................................................................

/*
** Set the Expr.nHeight variable in the structure passed as an 
** argument. An expression with no children, Expr.pList or 
** Expr.pSelect member has a height of 1. Any other expression
** has a height equal to the maximum height of any other 
** referenced Expr plus one.



*/
static void exprSetHeight(Expr *p){
  int nHeight = 0;
  heightOfExpr(p->pLeft, &nHeight);
  heightOfExpr(p->pRight, &nHeight);
  if( ExprHasProperty(p, EP_xIsSelect) ){
    heightOfSelect(p->x.pSelect, &nHeight);
  }else{
    heightOfExprList(p->x.pList, &nHeight);

  }
  p->nHeight = nHeight + 1;
}

/*
** Set the Expr.nHeight variable using the exprSetHeight() function. If
** the height is greater than the maximum allowed expression depth,
** leave an error in pParse.



*/
void sqlite3ExprSetHeight(Parse *pParse, Expr *p){
  exprSetHeight(p);
  sqlite3ExprCheckHeight(pParse, p->nHeight);
}

/*
** Return the maximum height of any expression tree referenced
** by the select statement passed as an argument.
*/
int sqlite3SelectExprHeight(Select *p){
  int nHeight = 0;
  heightOfSelect(p, &nHeight);
  return nHeight;
}
#else









  #define exprSetHeight(y)
#endif /* SQLITE_MAX_EXPR_DEPTH>0 */

/*
** This routine is the core allocator for Expr nodes.
**
** Construct a new expression node and return a pointer to it.  Memory
** for this node and for the pToken argument is a single allocation
................................................................................
  if( pRoot==0 ){
    assert( db->mallocFailed );
    sqlite3ExprDelete(db, pLeft);
    sqlite3ExprDelete(db, pRight);
  }else{
    if( pRight ){
      pRoot->pRight = pRight;
      pRoot->flags |= EP_Collate & pRight->flags;
    }
    if( pLeft ){
      pRoot->pLeft = pLeft;
      pRoot->flags |= EP_Collate & pLeft->flags;
    }
    exprSetHeight(pRoot);
  }
}

/*
** Allocate an Expr node which joins as many as two subtrees.
................................................................................
  pNew = sqlite3ExprAlloc(db, TK_FUNCTION, pToken, 1);
  if( pNew==0 ){
    sqlite3ExprListDelete(db, pList); /* Avoid memory leak when malloc fails */
    return 0;
  }
  pNew->x.pList = pList;
  assert( !ExprHasProperty(pNew, EP_xIsSelect) );
  sqlite3ExprSetHeight(pParse, pNew);
  return pNew;
}

/*
** Assign a variable number to an expression that encodes a wildcard
** in the original SQL statement.  
**
................................................................................
    sqlite3ExprDelete(db, pItem->pExpr);
    sqlite3DbFree(db, pItem->zName);
    sqlite3DbFree(db, pItem->zSpan);
  }
  sqlite3DbFree(db, pList->a);
  sqlite3DbFree(db, pList);
}
















/*
** These routines are Walker callbacks used to check expressions to
** see if they are "constant" for some definition of constant.  The
** Walker.eCode value determines the type of "constant" we are looking
** for.
**
................................................................................
  }

  switch( pExpr->op ){
    /* Consider functions to be constant if all their arguments are constant
    ** and either pWalker->eCode==4 or 5 or the function has the
    ** SQLITE_FUNC_CONST flag. */
    case TK_FUNCTION:
      if( pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_Constant) ){
        return WRC_Continue;
      }else{
        pWalker->eCode = 0;
        return WRC_Abort;
      }
    case TK_ID:
    case TK_COLUMN:
................................................................................
*/
void sqlite3ExprCacheStore(Parse *pParse, int iTab, int iCol, int iReg){
  int i;
  int minLru;
  int idxLru;
  struct yColCache *p;

  assert( iReg>0 );  /* Register numbers are always positive */

  assert( iCol>=-1 && iCol<32768 );  /* Finite column numbers */

  /* The SQLITE_ColumnCache flag disables the column cache.  This is used
  ** for testing only - to verify that SQLite always gets the same answer
  ** with and without the column cache.
  */
  if( OptimizationDisabled(pParse->db, SQLITE_ColumnCache) ) return;








<
|

>











|


|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>







|

>








>
>
>

|













|
>
>
>
>
>
>
>
>
>
|







 







|



|







 







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|







 







|
>








128
129
130
131
132
133
134

135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
...
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
...
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
...
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
....
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
....
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
....
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313

      p = p->pLeft;
      continue;
    }
    if( op==TK_COLLATE || (op==TK_REGISTER && p->op2==TK_COLLATE) ){
      pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken);
      break;
    }

    if( (op==TK_AGG_COLUMN || op==TK_COLUMN
          || op==TK_REGISTER || op==TK_TRIGGER)
     && p->pTab!=0
    ){
      /* op==TK_REGISTER && p->pTab!=0 happens when pExpr was originally
      ** a TK_COLUMN but was previously evaluated and cached in a register */
      int j = p->iColumn;
      if( j>=0 ){
        const char *zColl = p->pTab->aCol[j].zColl;
        pColl = sqlite3FindCollSeq(db, ENC(db), zColl, 0);
      }
      break;
    }
    if( p->flags & EP_Collate ){
      if( p->pLeft && (p->pLeft->flags & EP_Collate)!=0 ){
        p = p->pLeft;
      }else{
        Expr *pNext  = p->pRight;
        /* The Expr.x union is never used at the same time as Expr.pRight */
        assert( p->x.pList==0 || p->pRight==0 );
        /* p->flags holds EP_Collate and p->pLeft->flags does not.  And
        ** p->x.pSelect cannot.  So if p->x.pLeft exists, it must hold at
        ** least one EP_Collate. Thus the following two ALWAYS. */
        if( p->x.pList!=0 && ALWAYS(!ExprHasProperty(p, EP_xIsSelect)) ){
          int i;
          for(i=0; ALWAYS(i<p->x.pList->nExpr); i++){
            if( ExprHasProperty(p->x.pList->a[i].pExpr, EP_Collate) ){
              pNext = p->x.pList->a[i].pExpr;
              break;
            }
          }
        }
        p = pNext;
      }
    }else{
      break;
    }
  }
  if( sqlite3CheckCollSeq(pParse, pColl) ){ 
    pColl = 0;
................................................................................

/*
** Set the Expr.nHeight variable in the structure passed as an 
** argument. An expression with no children, Expr.pList or 
** Expr.pSelect member has a height of 1. Any other expression
** has a height equal to the maximum height of any other 
** referenced Expr plus one.
**
** Also propagate EP_Propagate flags up from Expr.x.pList to Expr.flags,
** if appropriate.
*/
static void exprSetHeight(Expr *p){
  int nHeight = 0;
  heightOfExpr(p->pLeft, &nHeight);
  heightOfExpr(p->pRight, &nHeight);
  if( ExprHasProperty(p, EP_xIsSelect) ){
    heightOfSelect(p->x.pSelect, &nHeight);
  }else if( p->x.pList ){
    heightOfExprList(p->x.pList, &nHeight);
    p->flags |= EP_Propagate & sqlite3ExprListFlags(p->x.pList);
  }
  p->nHeight = nHeight + 1;
}

/*
** Set the Expr.nHeight variable using the exprSetHeight() function. If
** the height is greater than the maximum allowed expression depth,
** leave an error in pParse.
**
** Also propagate all EP_Propagate flags from the Expr.x.pList into
** Expr.flags. 
*/
void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){
  exprSetHeight(p);
  sqlite3ExprCheckHeight(pParse, p->nHeight);
}

/*
** Return the maximum height of any expression tree referenced
** by the select statement passed as an argument.
*/
int sqlite3SelectExprHeight(Select *p){
  int nHeight = 0;
  heightOfSelect(p, &nHeight);
  return nHeight;
}
#else /* ABOVE:  Height enforcement enabled.  BELOW: Height enforcement off */
/*
** Propagate all EP_Propagate flags from the Expr.x.pList into
** Expr.flags. 
*/
void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p){
  if( p && p->x.pList && !ExprHasProperty(p, EP_xIsSelect) ){
    p->flags |= EP_Propagate & sqlite3ExprListFlags(p->x.pList);
  }
}
#define exprSetHeight(y)
#endif /* SQLITE_MAX_EXPR_DEPTH>0 */

/*
** This routine is the core allocator for Expr nodes.
**
** Construct a new expression node and return a pointer to it.  Memory
** for this node and for the pToken argument is a single allocation
................................................................................
  if( pRoot==0 ){
    assert( db->mallocFailed );
    sqlite3ExprDelete(db, pLeft);
    sqlite3ExprDelete(db, pRight);
  }else{
    if( pRight ){
      pRoot->pRight = pRight;
      pRoot->flags |= EP_Propagate & pRight->flags;
    }
    if( pLeft ){
      pRoot->pLeft = pLeft;
      pRoot->flags |= EP_Propagate & pLeft->flags;
    }
    exprSetHeight(pRoot);
  }
}

/*
** Allocate an Expr node which joins as many as two subtrees.
................................................................................
  pNew = sqlite3ExprAlloc(db, TK_FUNCTION, pToken, 1);
  if( pNew==0 ){
    sqlite3ExprListDelete(db, pList); /* Avoid memory leak when malloc fails */
    return 0;
  }
  pNew->x.pList = pList;
  assert( !ExprHasProperty(pNew, EP_xIsSelect) );
  sqlite3ExprSetHeightAndFlags(pParse, pNew);
  return pNew;
}

/*
** Assign a variable number to an expression that encodes a wildcard
** in the original SQL statement.  
**
................................................................................
    sqlite3ExprDelete(db, pItem->pExpr);
    sqlite3DbFree(db, pItem->zName);
    sqlite3DbFree(db, pItem->zSpan);
  }
  sqlite3DbFree(db, pList->a);
  sqlite3DbFree(db, pList);
}

/*
** Return the bitwise-OR of all Expr.flags fields in the given
** ExprList.
*/
u32 sqlite3ExprListFlags(const ExprList *pList){
  int i;
  u32 m = 0;
  if( pList ){
    for(i=0; i<pList->nExpr; i++){
       m |= pList->a[i].pExpr->flags;
    }
  }
  return m;
}

/*
** These routines are Walker callbacks used to check expressions to
** see if they are "constant" for some definition of constant.  The
** Walker.eCode value determines the type of "constant" we are looking
** for.
**
................................................................................
  }

  switch( pExpr->op ){
    /* Consider functions to be constant if all their arguments are constant
    ** and either pWalker->eCode==4 or 5 or the function has the
    ** SQLITE_FUNC_CONST flag. */
    case TK_FUNCTION:
      if( pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_ConstFunc) ){
        return WRC_Continue;
      }else{
        pWalker->eCode = 0;
        return WRC_Abort;
      }
    case TK_ID:
    case TK_COLUMN:
................................................................................
*/
void sqlite3ExprCacheStore(Parse *pParse, int iTab, int iCol, int iReg){
  int i;
  int minLru;
  int idxLru;
  struct yColCache *p;

  /* Unless an error has occurred, register numbers are always positive. */
  assert( iReg>0 || pParse->nErr || pParse->db->mallocFailed );
  assert( iCol>=-1 && iCol<32768 );  /* Finite column numbers */

  /* The SQLITE_ColumnCache flag disables the column cache.  This is used
  ** for testing only - to verify that SQLite always gets the same answer
  ** with and without the column cache.
  */
  if( OptimizationDisabled(pParse->db, SQLITE_ColumnCache) ) return;

Changes to src/func.c. 

287
288
289
290
291
292
293








294
295
296
297
298
299
300

    len = 0;
    if( p1<0 ){
      for(z2=z; *z2; len++){
        SQLITE_SKIP_UTF8(z2);
      }
    }
  }








  if( argc==3 ){
    p2 = sqlite3_value_int(argv[2]);
    if( p2<0 ){
      p2 = -p2;
      negP2 = 1;
    }
  }else{








>
>
>
>
>
>
>
>








287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308

    len = 0;
    if( p1<0 ){
      for(z2=z; *z2; len++){
        SQLITE_SKIP_UTF8(z2);
      }
    }
  }
#ifdef SQLITE_SUBSTR_COMPATIBILITY
  /* If SUBSTR_COMPATIBILITY is defined then substr(X,0,N) work the same as
  ** as substr(X,1,N) - it returns the first N characters of X.  This
  ** is essentially a back-out of the bug-fix in check-in [5fc125d362df4b8]
  ** from 2009-02-02 for compatibility of applications that exploited the
  ** old buggy behavior. */
  if( p1==0 ) p1 = 1; /* <rdar://problem/6778339> */
#endif
  if( argc==3 ){
    p2 = sqlite3_value_int(argv[2]);
    if( p2<0 ){
      p2 = -p2;
      negP2 = 1;
    }
  }else{

Changes to src/global.c. 

42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65

#ifdef SQLITE_EBCDIC
      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, /* 0x */
     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 1x */
     32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 2x */
     48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 3x */
     64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, /* 4x */
     80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, /* 5x */
     96, 97, 66, 67, 68, 69, 70, 71, 72, 73,106,107,108,109,110,111, /* 6x */
    112, 81, 82, 83, 84, 85, 86, 87, 88, 89,122,123,124,125,126,127, /* 7x */
    128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, /* 8x */
    144,145,146,147,148,149,150,151,152,153,154,155,156,157,156,159, /* 9x */
    160,161,162,163,164,165,166,167,168,169,170,171,140,141,142,175, /* Ax */
    176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, /* Bx */
    192,129,130,131,132,133,134,135,136,137,202,203,204,205,206,207, /* Cx */
    208,145,146,147,148,149,150,151,152,153,218,219,220,221,222,223, /* Dx */
    224,225,162,163,164,165,166,167,168,169,232,203,204,205,206,207, /* Ex */
    239,240,241,242,243,244,245,246,247,248,249,219,220,221,222,255, /* Fx */
#endif
};

/*
** The following 256 byte lookup table is used to support SQLites built-in
** equivalents to the following standard library functions:
**








|
|

|




|
|








42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65

#ifdef SQLITE_EBCDIC
      0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, /* 0x */
     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, /* 1x */
     32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, /* 2x */
     48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, /* 3x */
     64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, /* 4x */
     80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, /* 5x */
     96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111, /* 6x */
    112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127, /* 7x */
    128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, /* 8x */
    144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, /* 9x */
    160,161,162,163,164,165,166,167,168,169,170,171,140,141,142,175, /* Ax */
    176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, /* Bx */
    192,129,130,131,132,133,134,135,136,137,202,203,204,205,206,207, /* Cx */
    208,145,146,147,148,149,150,151,152,153,218,219,220,221,222,223, /* Dx */
    224,225,162,163,164,165,166,167,168,169,234,235,236,237,238,239, /* Ex */
    240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255, /* Fx */
#endif
};

/*
** The following 256 byte lookup table is used to support SQLites built-in
** equivalents to the following standard library functions:
**

Changes to src/main.c. 

1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
....
1962
1963
1964
1965
1966
1967
1968

1969
1970
1971
1972
1973
1974
1975
....
2702
2703
2704
2705
2706
2707
2708



2709
2710
2711
2712
2713
2714
2715
....
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150







3151
3152
3153
3154
3155
3156
3157
....
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
....
3593
3594
3595
3596
3597
3598
3599





























3600
3601
3602
3603
3604
3605
3606

*/
int sqlite3_busy_handler(
  sqlite3 *db,
  int (*xBusy)(void*,int),
  void *pArg
){
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE;
#endif
  sqlite3_mutex_enter(db->mutex);
  db->busyHandler.xFunc = xBusy;
  db->busyHandler.pArg = pArg;
  db->busyHandler.nBusy = 0;
  db->busyTimeout = 0;
  sqlite3_mutex_leave(db->mutex);
................................................................................
  if( zDb && zDb[0] ){
    iDb = sqlite3FindDbName(db, zDb);
  }
  if( iDb<0 ){
    rc = SQLITE_ERROR;
    sqlite3ErrorWithMsg(db, SQLITE_ERROR, "unknown database: %s", zDb);
  }else{

    rc = sqlite3Checkpoint(db, iDb, eMode, pnLog, pnCkpt);
    sqlite3Error(db, rc);
  }
  rc = sqlite3ApiExit(db, rc);
  sqlite3_mutex_leave(db->mutex);
  return rc;
#endif
................................................................................
  db->szMmap = sqlite3GlobalConfig.szMmap;
  db->nextPagesize = 0;
  db->nMaxSorterMmap = 0x7FFFFFFF;
  db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_CacheSpill
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
                 | SQLITE_AutoIndex
#endif



#if SQLITE_DEFAULT_FILE_FORMAT<4
                 | SQLITE_LegacyFileFmt
#endif
#ifdef SQLITE_ENABLE_LOAD_EXTENSION
                 | SQLITE_LoadExtension
#endif
#if SQLITE_DEFAULT_RECURSIVE_TRIGGERS
................................................................................
  int *pAutoinc               /* OUTPUT: True if column is auto-increment */
){
  int rc;
  char *zErrMsg = 0;
  Table *pTab = 0;
  Column *pCol = 0;
  int iCol = 0;

  char const *zDataType = 0;
  char const *zCollSeq = 0;
  int notnull = 0;
  int primarykey = 0;
  int autoinc = 0;








  /* Ensure the database schema has been loaded */
  sqlite3_mutex_enter(db->mutex);
  sqlite3BtreeEnterAll(db);
  rc = sqlite3Init(db, &zErrMsg);
  if( SQLITE_OK!=rc ){
    goto error_out;
  }
................................................................................
      rc = sqlite3OsFileControl(fd, op, pArg);
    }else{
      rc = SQLITE_NOTFOUND;
    }
    sqlite3BtreeLeave(pBtree);
  }
  sqlite3_mutex_leave(db->mutex);
  return rc;   
}

/*
** Interface to the testing logic.
*/
int sqlite3_test_control(int op, ...){
  int rc = 0;
................................................................................
    ** Return SQLITE_OK if SQLite has been initialized and SQLITE_ERROR if
    ** not.
    */
    case SQLITE_TESTCTRL_ISINIT: {
      if( sqlite3GlobalConfig.isInit==0 ) rc = SQLITE_ERROR;
      break;
    }





























  }
  va_end(ap);
#endif /* SQLITE_OMIT_BUILTIN_TEST */
  return rc;
}

/*








|







 







>







 







>
>
>







 







<






>
>
>
>
>
>
>







 







|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>








1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
....
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
....
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
....
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
....
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
....
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645

*/
int sqlite3_busy_handler(
  sqlite3 *db,
  int (*xBusy)(void*,int),
  void *pArg
){
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;
#endif
  sqlite3_mutex_enter(db->mutex);
  db->busyHandler.xFunc = xBusy;
  db->busyHandler.pArg = pArg;
  db->busyHandler.nBusy = 0;
  db->busyTimeout = 0;
  sqlite3_mutex_leave(db->mutex);
................................................................................
  if( zDb && zDb[0] ){
    iDb = sqlite3FindDbName(db, zDb);
  }
  if( iDb<0 ){
    rc = SQLITE_ERROR;
    sqlite3ErrorWithMsg(db, SQLITE_ERROR, "unknown database: %s", zDb);
  }else{
    db->busyHandler.nBusy = 0;
    rc = sqlite3Checkpoint(db, iDb, eMode, pnLog, pnCkpt);
    sqlite3Error(db, rc);
  }
  rc = sqlite3ApiExit(db, rc);
  sqlite3_mutex_leave(db->mutex);
  return rc;
#endif
................................................................................
  db->szMmap = sqlite3GlobalConfig.szMmap;
  db->nextPagesize = 0;
  db->nMaxSorterMmap = 0x7FFFFFFF;
  db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger | SQLITE_CacheSpill
#if !defined(SQLITE_DEFAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
                 | SQLITE_AutoIndex
#endif
#if SQLITE_DEFAULT_CKPTFULLFSYNC
                 | SQLITE_CkptFullFSync
#endif
#if SQLITE_DEFAULT_FILE_FORMAT<4
                 | SQLITE_LegacyFileFmt
#endif
#ifdef SQLITE_ENABLE_LOAD_EXTENSION
                 | SQLITE_LoadExtension
#endif
#if SQLITE_DEFAULT_RECURSIVE_TRIGGERS
................................................................................
  int *pAutoinc               /* OUTPUT: True if column is auto-increment */
){
  int rc;
  char *zErrMsg = 0;
  Table *pTab = 0;
  Column *pCol = 0;
  int iCol = 0;

  char const *zDataType = 0;
  char const *zCollSeq = 0;
  int notnull = 0;
  int primarykey = 0;
  int autoinc = 0;


#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zTableName==0 ){
    return SQLITE_MISUSE_BKPT;
  }
#endif

  /* Ensure the database schema has been loaded */
  sqlite3_mutex_enter(db->mutex);
  sqlite3BtreeEnterAll(db);
  rc = sqlite3Init(db, &zErrMsg);
  if( SQLITE_OK!=rc ){
    goto error_out;
  }
................................................................................
      rc = sqlite3OsFileControl(fd, op, pArg);
    }else{
      rc = SQLITE_NOTFOUND;
    }
    sqlite3BtreeLeave(pBtree);
  }
  sqlite3_mutex_leave(db->mutex);
  return rc;
}

/*
** Interface to the testing logic.
*/
int sqlite3_test_control(int op, ...){
  int rc = 0;
................................................................................
    ** Return SQLITE_OK if SQLite has been initialized and SQLITE_ERROR if
    ** not.
    */
    case SQLITE_TESTCTRL_ISINIT: {
      if( sqlite3GlobalConfig.isInit==0 ) rc = SQLITE_ERROR;
      break;
    }

    /*   sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, dbName, onOff, tnum);
    **
    ** This test control is used to create imposter tables.  "db" is a pointer
    ** to the database connection.  dbName is the database name (ex: "main" or
    ** "temp") which will receive the imposter.  "onOff" turns imposter mode on
    ** or off.  "tnum" is the root page of the b-tree to which the imposter
    ** table should connect.
    **
    ** Enable imposter mode only when the schema has already been parsed.  Then
    ** run a single CREATE TABLE statement to construct the imposter table in the
    ** parsed schema.  Then turn imposter mode back off again.
    **
    ** If onOff==0 and tnum>0 then reset the schema for all databases, causing
    ** the schema to be reparsed the next time it is needed.  This has the
    ** effect of erasing all imposter tables.
    */
    case SQLITE_TESTCTRL_IMPOSTER: {
      sqlite3 *db = va_arg(ap, sqlite3*);
      sqlite3_mutex_enter(db->mutex);
      db->init.iDb = sqlite3FindDbName(db, va_arg(ap,const char*));
      db->init.busy = db->init.imposterTable = va_arg(ap,int);
      db->init.newTnum = va_arg(ap,int);
      if( db->init.busy==0 && db->init.newTnum>0 ){
        sqlite3ResetAllSchemasOfConnection(db);
      }
      sqlite3_mutex_leave(db->mutex);
      break;
    }
  }
  va_end(ap);
#endif /* SQLITE_OMIT_BUILTIN_TEST */
  return rc;
}

/*

Changes to src/mutex_noop.c. 

116
117
118
119
120
121
122
123
124




125
126
127
128
129
130
131
...
132
133
134
135
136
137
138
139
140





141
142
143
144
145
146
147

      if( pNew ){
        pNew->id = id;
        pNew->cnt = 0;
      }
      break;
    }
    default: {
      assert( id-2 >= 0 );
      assert( id-2 < (int)(sizeof(aStatic)/sizeof(aStatic[0])) );




      pNew = &aStatic[id-2];
      pNew->id = id;
      break;
    }
  }
  return (sqlite3_mutex*)pNew;
}
................................................................................

/*
** This routine deallocates a previously allocated mutex.
*/
static void debugMutexFree(sqlite3_mutex *pX){
  sqlite3_debug_mutex *p = (sqlite3_debug_mutex*)pX;
  assert( p->cnt==0 );
  assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
  sqlite3_free(p);





}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK








|
|
>
>
>
>







 







|
|
>
>
>
>
>








116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
...
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156

      if( pNew ){
        pNew->id = id;
        pNew->cnt = 0;
      }
      break;
    }
    default: {
#ifdef SQLITE_ENABLE_API_ARMOR
      if( id-2<0 || id-2>=ArraySize(aStatic) ){
        (void)SQLITE_MISUSE_BKPT;
        return 0;
      }
#endif
      pNew = &aStatic[id-2];
      pNew->id = id;
      break;
    }
  }
  return (sqlite3_mutex*)pNew;
}
................................................................................

/*
** This routine deallocates a previously allocated mutex.
*/
static void debugMutexFree(sqlite3_mutex *pX){
  sqlite3_debug_mutex *p = (sqlite3_debug_mutex*)pX;
  assert( p->cnt==0 );
  if( p->id==SQLITE_MUTEX_RECURSIVE || p->id==SQLITE_MUTEX_FAST ){
    sqlite3_free(p);
  }else{
#ifdef SQLITE_ENABLE_API_ARMOR
    (void)SQLITE_MISUSE_BKPT;
#endif
  }
}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK

Changes to src/mutex_unix.c. 

36
37
38
39
40
41
42
43
44


45
46
47
48
49
50
51
...
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190



191
192
193
194
195
196
197
198
199
200
201

202


203
204






205
206
207
208
209
210
211

#endif

/*
** Each recursive mutex is an instance of the following structure.
*/
struct sqlite3_mutex {
  pthread_mutex_t mutex;     /* Mutex controlling the lock */
#if SQLITE_MUTEX_NREF
  int id;                    /* Mutex type */


  volatile int nRef;         /* Number of entrances */
  volatile pthread_t owner;  /* Thread that is within this mutex */
  int trace;                 /* True to trace changes */
#endif
};
#if SQLITE_MUTEX_NREF
#define SQLITE3_MUTEX_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, 0, 0, (pthread_t)0, 0 }
................................................................................
        /* Use a recursive mutex if it is available */
        pthread_mutexattr_t recursiveAttr;
        pthread_mutexattr_init(&recursiveAttr);
        pthread_mutexattr_settype(&recursiveAttr, PTHREAD_MUTEX_RECURSIVE);
        pthread_mutex_init(&p->mutex, &recursiveAttr);
        pthread_mutexattr_destroy(&recursiveAttr);
#endif
#if SQLITE_MUTEX_NREF
        p->id = iType;
#endif
      }
      break;
    }
    case SQLITE_MUTEX_FAST: {
      p = sqlite3MallocZero( sizeof(*p) );
      if( p ){
#if SQLITE_MUTEX_NREF
        p->id = iType;
#endif
        pthread_mutex_init(&p->mutex, 0);
      }
      break;
    }
    default: {
#ifdef SQLITE_ENABLE_API_ARMOR
      if( iType-2<0 || iType-2>=ArraySize(staticMutexes) ){
        (void)SQLITE_MISUSE_BKPT;
        return 0;
      }
#endif
      p = &staticMutexes[iType-2];
#if SQLITE_MUTEX_NREF
      p->id = iType;
#endif
      break;
    }
  }



  return p;
}


/*
** This routine deallocates a previously
** allocated mutex.  SQLite is careful to deallocate every
** mutex that it allocates.
*/
static void pthreadMutexFree(sqlite3_mutex *p){
  assert( p->nRef==0 );

  assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );


  pthread_mutex_destroy(&p->mutex);
  sqlite3_free(p);






}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK








|

>
>







 







<
<
<






<
<
<












<
<
<



>
>
>











>
|
>
>
|
|
>
>
>
>
>
>








36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
...
156
157
158
159
160
161
162



163
164
165
166
167
168



169
170
171
172
173
174
175
176
177
178
179
180



181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216

#endif

/*
** Each recursive mutex is an instance of the following structure.
*/
struct sqlite3_mutex {
  pthread_mutex_t mutex;     /* Mutex controlling the lock */
#if SQLITE_MUTEX_NREF || defined(SQLITE_ENABLE_API_ARMOR)
  int id;                    /* Mutex type */
#endif
#if SQLITE_MUTEX_NREF
  volatile int nRef;         /* Number of entrances */
  volatile pthread_t owner;  /* Thread that is within this mutex */
  int trace;                 /* True to trace changes */
#endif
};
#if SQLITE_MUTEX_NREF
#define SQLITE3_MUTEX_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, 0, 0, (pthread_t)0, 0 }
................................................................................
        /* Use a recursive mutex if it is available */
        pthread_mutexattr_t recursiveAttr;
        pthread_mutexattr_init(&recursiveAttr);
        pthread_mutexattr_settype(&recursiveAttr, PTHREAD_MUTEX_RECURSIVE);
        pthread_mutex_init(&p->mutex, &recursiveAttr);
        pthread_mutexattr_destroy(&recursiveAttr);
#endif



      }
      break;
    }
    case SQLITE_MUTEX_FAST: {
      p = sqlite3MallocZero( sizeof(*p) );
      if( p ){



        pthread_mutex_init(&p->mutex, 0);
      }
      break;
    }
    default: {
#ifdef SQLITE_ENABLE_API_ARMOR
      if( iType-2<0 || iType-2>=ArraySize(staticMutexes) ){
        (void)SQLITE_MISUSE_BKPT;
        return 0;
      }
#endif
      p = &staticMutexes[iType-2];



      break;
    }
  }
#if SQLITE_MUTEX_NREF || defined(SQLITE_ENABLE_API_ARMOR)
  if( p ) p->id = iType;
#endif
  return p;
}


/*
** This routine deallocates a previously
** allocated mutex.  SQLite is careful to deallocate every
** mutex that it allocates.
*/
static void pthreadMutexFree(sqlite3_mutex *p){
  assert( p->nRef==0 );
#if SQLITE_ENABLE_API_ARMOR
  if( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE )
#endif
  {
    pthread_mutex_destroy(&p->mutex);
    sqlite3_free(p);
  }
#ifdef SQLITE_ENABLE_API_ARMOR
  else{
    (void)SQLITE_MISUSE_BKPT;
  }
#endif
}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK

Changes to src/mutex_w32.c. 

190
191
192
193
194
195
196
197
198

199
200
201
202
203
204
205
...
211
212
213
214
215
216
217
218
219
220
221
222
223

224
225
226
227
228
229
230
...
235
236
237
238
239
240
241
242
243
244
245
246
247
248





249
250
251
252
253
254
255

  sqlite3_mutex *p;

  switch( iType ){
    case SQLITE_MUTEX_FAST:
    case SQLITE_MUTEX_RECURSIVE: {
      p = sqlite3MallocZero( sizeof(*p) );
      if( p ){
#ifdef SQLITE_DEBUG
        p->id = iType;

#ifdef SQLITE_WIN32_MUTEX_TRACE_DYNAMIC
        p->trace = 1;
#endif
#endif
#if SQLITE_OS_WINRT
        InitializeCriticalSectionEx(&p->mutex, 0, 0);
#else
................................................................................
    default: {
#ifdef SQLITE_ENABLE_API_ARMOR
      if( iType-2<0 || iType-2>=ArraySize(winMutex_staticMutexes) ){
        (void)SQLITE_MISUSE_BKPT;
        return 0;
      }
#endif
      assert( iType-2 >= 0 );
      assert( iType-2 < ArraySize(winMutex_staticMutexes) );
      assert( winMutex_isInit==1 );
      p = &winMutex_staticMutexes[iType-2];
#ifdef SQLITE_DEBUG
      p->id = iType;

#ifdef SQLITE_WIN32_MUTEX_TRACE_STATIC
      p->trace = 1;
#endif
#endif
      break;
    }
  }
................................................................................
/*
** This routine deallocates a previously
** allocated mutex.  SQLite is careful to deallocate every
** mutex that it allocates.
*/
static void winMutexFree(sqlite3_mutex *p){
  assert( p );
#ifdef SQLITE_DEBUG
  assert( p->nRef==0 && p->owner==0 );
  assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
#endif
  assert( winMutex_isInit==1 );
  DeleteCriticalSection(&p->mutex);
  sqlite3_free(p);





}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK








<

>







 







<
<
<

<

>







 







<

|
<
<
|
|
>
>
>
>
>








190
191
192
193
194
195
196

197
198
199
200
201
202
203
204
205
...
211
212
213
214
215
216
217



218

219
220
221
222
223
224
225
226
227
...
232
233
234
235
236
237
238

239
240


241
242
243
244
245
246
247
248
249
250
251
252
253
254

  sqlite3_mutex *p;

  switch( iType ){
    case SQLITE_MUTEX_FAST:
    case SQLITE_MUTEX_RECURSIVE: {
      p = sqlite3MallocZero( sizeof(*p) );
      if( p ){

        p->id = iType;
#ifdef SQLITE_DEBUG
#ifdef SQLITE_WIN32_MUTEX_TRACE_DYNAMIC
        p->trace = 1;
#endif
#endif
#if SQLITE_OS_WINRT
        InitializeCriticalSectionEx(&p->mutex, 0, 0);
#else
................................................................................
    default: {
#ifdef SQLITE_ENABLE_API_ARMOR
      if( iType-2<0 || iType-2>=ArraySize(winMutex_staticMutexes) ){
        (void)SQLITE_MISUSE_BKPT;
        return 0;
      }
#endif



      p = &winMutex_staticMutexes[iType-2];

      p->id = iType;
#ifdef SQLITE_DEBUG
#ifdef SQLITE_WIN32_MUTEX_TRACE_STATIC
      p->trace = 1;
#endif
#endif
      break;
    }
  }
................................................................................
/*
** This routine deallocates a previously
** allocated mutex.  SQLite is careful to deallocate every
** mutex that it allocates.
*/
static void winMutexFree(sqlite3_mutex *p){
  assert( p );

  assert( p->nRef==0 && p->owner==0 );
  if( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE ){


    DeleteCriticalSection(&p->mutex);
    sqlite3_free(p);
  }else{
#ifdef SQLITE_ENABLE_API_ARMOR
    (void)SQLITE_MISUSE_BKPT;
#endif
  }
}

/*
** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
** to enter a mutex.  If another thread is already within the mutex,
** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK

Changes to src/os_unix.c. 

250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
...
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
....
1173
1174
1175
1176
1177
1178
1179








1180
1181
1182
1183
1184
1185
1186
....
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
....
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
....
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
....
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
....
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
....
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
....
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
....
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
....
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
....
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
....
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
....
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
....
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
....
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
....
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
....
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
....
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
....
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
....
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
....
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
....
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
....
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
....
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
....
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
....
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
....
3690
3691
3692
3693
3694
3695
3696
3697


3698
3699
3700
3701
3702
3703
3704
....
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
....
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
....
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
....
4254
4255
4256
4257
4258
4259
4260



4261
4262
4263
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
....
4674
4675
4676
4677
4678
4679
4680
4681


4682
4683
4684
4685
4686
4687
4688
....
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
....
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
....
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840



5841
5842
5843
5844
5845
5846
5847
....
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
....
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303

6304
6305
6306
6307
6308
6309
6310
....
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
....
6410
6411
6412
6413
6414
6415
6416

6417
6418
6419
6420
6421
6422
6423
....
6598
6599
6600
6601
6602
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
....
6716
6717
6718
6719
6720
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
....
6736
6737
6738
6739
6740
6741
6742
6743
6744
6745
6746
6747
6748
6749
6750
....
6756
6757
6758
6759
6760
6761
6762
6763
6764
6765
6766
6767
6768
6769
6770
....
6798
6799
6800
6801
6802
6803
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
....
6882
6883
6884
6885
6886
6887
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898

6899
6900
6901
6902
6903
6904
6905
....
7103
7104
7105
7106
7107
7108
7109
7110

7111
7112
7113
7114
7115
7116
7117
....
7216
7217
7218
7219
7220
7221
7222
7223
7224
7225
7226
7227
7228
7229
7230
....
7231
7232
7233
7234
7235
7236
7237
7238
7239
7240
7241
7242
7243
7244



7245
7246
7247
7248
7249
7250
7251

#else
# define UNIXFILE_DIRSYNC    0x00
#endif
#define UNIXFILE_PSOW        0x10     /* SQLITE_IOCAP_POWERSAFE_OVERWRITE */
#define UNIXFILE_DELETE      0x20     /* Delete on close */
#define UNIXFILE_URI         0x40     /* Filename might have query parameters */
#define UNIXFILE_NOLOCK      0x80     /* Do no file locking */
#define UNIXFILE_WARNED    0x0100     /* verifyDbFile() warnings have been issued */

/*
** Include code that is common to all os_*.c files
*/
#include "os_common.h"

/*
................................................................................
#undef osFcntl
#define osFcntl lockTrace
#endif /* SQLITE_LOCK_TRACE */

/*
** Retry ftruncate() calls that fail due to EINTR
**
** All calls to ftruncate() within this file should be made through this wrapper.
** On the Android platform, bypassing the logic below could lead to a corrupt
** database.
*/
static int robust_ftruncate(int h, sqlite3_int64 sz){
  int rc;
#ifdef __ANDROID__
  /* On Android, ftruncate() always uses 32-bit offsets, even if 
  ** _FILE_OFFSET_BITS=64 is defined. This means it is unsafe to attempt to
  ** truncate a file to any size larger than 2GiB. Silently ignore any
................................................................................
*/
static void robust_close(unixFile *pFile, int h, int lineno){
  if( osClose(h) ){
    unixLogErrorAtLine(SQLITE_IOERR_CLOSE, "close",
                       pFile ? pFile->zPath : 0, lineno);
  }
}









/*
** Close all file descriptors accumuated in the unixInodeInfo->pUnused list.
*/ 
static void closePendingFds(unixFile *pFile){
  unixInodeInfo *pInode = pFile->pInode;
  UnixUnusedFd *p;
................................................................................

  /* Get low-level information about the file that we can used to
  ** create a unique name for the file.
  */
  fd = pFile->h;
  rc = osFstat(fd, &statbuf);
  if( rc!=0 ){
    pFile->lastErrno = errno;
#ifdef EOVERFLOW
    if( pFile->lastErrno==EOVERFLOW ) return SQLITE_NOLFS;
#endif
    return SQLITE_IOERR;
  }

#ifdef __APPLE__
................................................................................
  ** in the header of every SQLite database.  In this way, if there
  ** is a race condition such that another thread has already populated
  ** the first page of the database, no damage is done.
  */
  if( statbuf.st_size==0 && (pFile->fsFlags & SQLITE_FSFLAGS_IS_MSDOS)!=0 ){
    do{ rc = osWrite(fd, "S", 1); }while( rc<0 && errno==EINTR );
    if( rc!=1 ){
      pFile->lastErrno = errno;
      return SQLITE_IOERR;
    }
    rc = osFstat(fd, &statbuf);
    if( rc!=0 ){
      pFile->lastErrno = errno;
      return SQLITE_IOERR;
    }
  }
#endif

  memset(&fileId, 0, sizeof(fileId));
  fileId.dev = statbuf.st_dev;
................................................................................
    struct flock lock;
    lock.l_whence = SEEK_SET;
    lock.l_start = RESERVED_BYTE;
    lock.l_len = 1;
    lock.l_type = F_WRLCK;
    if( osFcntl(pFile->h, F_GETLK, &lock) ){
      rc = SQLITE_IOERR_CHECKRESERVEDLOCK;
      pFile->lastErrno = errno;
    } else if( lock.l_type!=F_UNLCK ){
      reserved = 1;
    }
  }
#endif
  
  unixLeaveMutex();
................................................................................
  ){
    lock.l_type = (eFileLock==SHARED_LOCK?F_RDLCK:F_WRLCK);
    lock.l_start = PENDING_BYTE;
    if( unixFileLock(pFile, &lock) ){
      tErrno = errno;
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( rc!=SQLITE_BUSY ){
        pFile->lastErrno = tErrno;
      }
      goto end_lock;
    }
  }


  /* If control gets to this point, then actually go ahead and make
................................................................................
      /* This could happen with a network mount */
      tErrno = errno;
      rc = SQLITE_IOERR_UNLOCK; 
    }

    if( rc ){
      if( rc!=SQLITE_BUSY ){
        pFile->lastErrno = tErrno;
      }
      goto end_lock;
    }else{
      pFile->eFileLock = SHARED_LOCK;
      pInode->nLock++;
      pInode->nShared = 1;
    }
................................................................................
      lock.l_len = SHARED_SIZE;
    }

    if( unixFileLock(pFile, &lock) ){
      tErrno = errno;
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( rc!=SQLITE_BUSY ){
        pFile->lastErrno = tErrno;
      }
    }
  }
  

#ifdef SQLITE_DEBUG
  /* Set up the transaction-counter change checking flags when
................................................................................
    ** write lock until the rest is covered by a read lock:
    **  1:   [WWWWW]
    **  2:   [....W]
    **  3:   [RRRRW]
    **  4:   [RRRR.]
    */
    if( eFileLock==SHARED_LOCK ){

#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE
      (void)handleNFSUnlock;
      assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
      if( handleNFSUnlock ){
        int tErrno;               /* Error code from system call errors */
................................................................................
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = SQLITE_IOERR_UNLOCK;
          if( IS_LOCK_ERROR(rc) ){
            pFile->lastErrno = tErrno;
          }
          goto end_unlock;
        }
        lock.l_type = F_RDLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_RDLOCK);
          if( IS_LOCK_ERROR(rc) ){
            pFile->lastErrno = tErrno;
          }
          goto end_unlock;
        }
        lock.l_type = F_UNLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST+divSize;
        lock.l_len = SHARED_SIZE-divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = SQLITE_IOERR_UNLOCK;
          if( IS_LOCK_ERROR(rc) ){
            pFile->lastErrno = tErrno;
          }
          goto end_unlock;
        }
      }else
#endif /* defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE */
      {
        lock.l_type = F_RDLCK;
................................................................................
          /* In theory, the call to unixFileLock() cannot fail because another
          ** process is holding an incompatible lock. If it does, this 
          ** indicates that the other process is not following the locking
          ** protocol. If this happens, return SQLITE_IOERR_RDLOCK. Returning
          ** SQLITE_BUSY would confuse the upper layer (in practice it causes 
          ** an assert to fail). */ 
          rc = SQLITE_IOERR_RDLOCK;
          pFile->lastErrno = errno;
          goto end_unlock;
        }
      }
    }
    lock.l_type = F_UNLCK;
    lock.l_whence = SEEK_SET;
    lock.l_start = PENDING_BYTE;
    lock.l_len = 2L;  assert( PENDING_BYTE+1==RESERVED_BYTE );
    if( unixFileLock(pFile, &lock)==0 ){
      pInode->eFileLock = SHARED_LOCK;
    }else{
      rc = SQLITE_IOERR_UNLOCK;
      pFile->lastErrno = errno;
      goto end_unlock;
    }
  }
  if( eFileLock==NO_LOCK ){
    /* Decrement the shared lock counter.  Release the lock using an
    ** OS call only when all threads in this same process have released
    ** the lock.
................................................................................
      lock.l_type = F_UNLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = lock.l_len = 0L;
      if( unixFileLock(pFile, &lock)==0 ){
        pInode->eFileLock = NO_LOCK;
      }else{
        rc = SQLITE_IOERR_UNLOCK;
        pFile->lastErrno = errno;
        pInode->eFileLock = NO_LOCK;
        pFile->eFileLock = NO_LOCK;
      }
    }

    /* Decrement the count of locks against this same file.  When the
    ** count reaches zero, close any other file descriptors whose close
................................................................................
    /* failed to open/create the lock directory */
    int tErrno = errno;
    if( EEXIST == tErrno ){
      rc = SQLITE_BUSY;
    } else {
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( IS_LOCK_ERROR(rc) ){
        pFile->lastErrno = tErrno;
      }
    }
    return rc;
  } 
  
  /* got it, set the type and return ok */
  pFile->eFileLock = eFileLock;
................................................................................
  if( rc<0 ){
    int tErrno = errno;
    rc = 0;
    if( ENOENT != tErrno ){
      rc = SQLITE_IOERR_UNLOCK;
    }
    if( IS_LOCK_ERROR(rc) ){
      pFile->lastErrno = tErrno;
    }
    return rc; 
  }
  pFile->eFileLock = NO_LOCK;
  return SQLITE_OK;
}

................................................................................
      /* got the lock, unlock it */
      lrc = robust_flock(pFile->h, LOCK_UN);
      if ( lrc ) {
        int tErrno = errno;
        /* unlock failed with an error */
        lrc = SQLITE_IOERR_UNLOCK; 
        if( IS_LOCK_ERROR(lrc) ){
          pFile->lastErrno = tErrno;
          rc = lrc;
        }
      }
    } else {
      int tErrno = errno;
      reserved = 1;
      /* someone else might have it reserved */
      lrc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK); 
      if( IS_LOCK_ERROR(lrc) ){
        pFile->lastErrno = tErrno;
        rc = lrc;
      }
    }
  }
  OSTRACE(("TEST WR-LOCK %d %d %d (flock)\n", pFile->h, rc, reserved));

#ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS
................................................................................
  /* grab an exclusive lock */
  
  if (robust_flock(pFile->h, LOCK_EX | LOCK_NB)) {
    int tErrno = errno;
    /* didn't get, must be busy */
    rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
    if( IS_LOCK_ERROR(rc) ){
      pFile->lastErrno = tErrno;
    }
  } else {
    /* got it, set the type and return ok */
    pFile->eFileLock = eFileLock;
  }
  OSTRACE(("LOCK    %d %s %s (flock)\n", pFile->h, azFileLock(eFileLock), 
           rc==SQLITE_OK ? "ok" : "failed"));
................................................................................
  if( !reserved ){
    sem_t *pSem = pFile->pInode->pSem;

    if( sem_trywait(pSem)==-1 ){
      int tErrno = errno;
      if( EAGAIN != tErrno ){
        rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_CHECKRESERVEDLOCK);
        pFile->lastErrno = tErrno;
      } else {
        /* someone else has the lock when we are in NO_LOCK */
        reserved = (pFile->eFileLock < SHARED_LOCK);
      }
    }else{
      /* we could have it if we want it */
      sem_post(pSem);
................................................................................
  }
  
  /* no, really unlock. */
  if ( sem_post(pSem)==-1 ) {
    int rc, tErrno = errno;
    rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_UNLOCK);
    if( IS_LOCK_ERROR(rc) ){
      pFile->lastErrno = tErrno;
    }
    return rc; 
  }
  pFile->eFileLock = NO_LOCK;
  return SQLITE_OK;
}

................................................................................
#ifdef SQLITE_IGNORE_AFP_LOCK_ERRORS
    rc = SQLITE_BUSY;
#else
    rc = sqliteErrorFromPosixError(tErrno,
                    setLockFlag ? SQLITE_IOERR_LOCK : SQLITE_IOERR_UNLOCK);
#endif /* SQLITE_IGNORE_AFP_LOCK_ERRORS */
    if( IS_LOCK_ERROR(rc) ){
      pFile->lastErrno = tErrno;
    }
    return rc;
  } else {
    return SQLITE_OK;
  }
}

................................................................................
    if( IS_LOCK_ERROR(lrc1) ){
      lrc1Errno = pFile->lastErrno;
    }
    /* Drop the temporary PENDING lock */
    lrc2 = afpSetLock(context->dbPath, pFile, PENDING_BYTE, 1, 0);
    
    if( IS_LOCK_ERROR(lrc1) ) {
      pFile->lastErrno = lrc1Errno;
      rc = lrc1;
      goto afp_end_lock;
    } else if( IS_LOCK_ERROR(lrc2) ){
      rc = lrc2;
      goto afp_end_lock;
    } else if( lrc1 != SQLITE_OK ) {
      rc = lrc1;
................................................................................
    got = osPread64(id->h, pBuf, cnt, offset);
    SimulateIOError( got = -1 );
#else
    newOffset = lseek(id->h, offset, SEEK_SET);
    SimulateIOError( newOffset-- );
    if( newOffset!=offset ){
      if( newOffset == -1 ){
        ((unixFile*)id)->lastErrno = errno;
      }else{
        ((unixFile*)id)->lastErrno = 0;
      }
      return -1;
    }
    got = osRead(id->h, pBuf, cnt);
#endif
    if( got==cnt ) break;
    if( got<0 ){
      if( errno==EINTR ){ got = 1; continue; }
      prior = 0;
      ((unixFile*)id)->lastErrno = errno;
      break;
    }else if( got>0 ){
      cnt -= got;
      offset += got;
      prior += got;
      pBuf = (void*)(got + (char*)pBuf);
    }
................................................................................
  got = seekAndRead(pFile, offset, pBuf, amt);
  if( got==amt ){
    return SQLITE_OK;
  }else if( got<0 ){
    /* lastErrno set by seekAndRead */
    return SQLITE_IOERR_READ;
  }else{
    pFile->lastErrno = 0; /* not a system error */
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[got], 0, amt-got);
    return SQLITE_IOERR_SHORT_READ;
  }
}

/*
................................................................................

  assert( nBuf==(nBuf&0x1ffff) );
  assert( fd>2 );
  nBuf &= 0x1ffff;
  TIMER_START;

#if defined(USE_PREAD)
  do{ rc = osPwrite(fd, pBuf, nBuf, iOff); }while( rc<0 && errno==EINTR );
#elif defined(USE_PREAD64)
  do{ rc = osPwrite64(fd, pBuf, nBuf, iOff);}while( rc<0 && errno==EINTR);
#else
  do{
    i64 iSeek = lseek(fd, iOff, SEEK_SET);
    SimulateIOError( iSeek-- );

    if( iSeek!=iOff ){
      if( piErrno ) *piErrno = (iSeek==-1 ? errno : 0);
................................................................................
  SimulateDiskfullError(( wrote=0, amt=1 ));

  if( amt>0 ){
    if( wrote<0 && pFile->lastErrno!=ENOSPC ){
      /* lastErrno set by seekAndWrite */
      return SQLITE_IOERR_WRITE;
    }else{
      pFile->lastErrno = 0; /* not a system error */
      return SQLITE_FULL;
    }
  }

  return SQLITE_OK;
}

................................................................................
  SimulateDiskfullError( return SQLITE_FULL );

  assert( pFile );
  OSTRACE(("SYNC    %-3d\n", pFile->h));
  rc = full_fsync(pFile->h, isFullsync, isDataOnly);
  SimulateIOError( rc=1 );
  if( rc ){
    pFile->lastErrno = errno;
    return unixLogError(SQLITE_IOERR_FSYNC, "full_fsync", pFile->zPath);
  }

  /* Also fsync the directory containing the file if the DIRSYNC flag
  ** is set.  This is a one-time occurrence.  Many systems (examples: AIX)
  ** are unable to fsync a directory, so ignore errors on the fsync.
  */
................................................................................
  */
  if( pFile->szChunk>0 ){
    nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
  }

  rc = robust_ftruncate(pFile->h, nByte);
  if( rc ){
    pFile->lastErrno = errno;
    return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
  }else{
#ifdef SQLITE_DEBUG
    /* If we are doing a normal write to a database file (as opposed to
    ** doing a hot-journal rollback or a write to some file other than a
    ** normal database file) and we truncate the file to zero length,
    ** that effectively updates the change counter.  This might happen
................................................................................
static int unixFileSize(sqlite3_file *id, i64 *pSize){
  int rc;
  struct stat buf;
  assert( id );
  rc = osFstat(((unixFile*)id)->h, &buf);
  SimulateIOError( rc=1 );
  if( rc!=0 ){
    ((unixFile*)id)->lastErrno = errno;
    return SQLITE_IOERR_FSTAT;
  }
  *pSize = buf.st_size;

  /* When opening a zero-size database, the findInodeInfo() procedure
  ** writes a single byte into that file in order to work around a bug
  ** in the OS-X msdos filesystem.  In order to avoid problems with upper
................................................................................
** nBytes or larger, this routine is a no-op.
*/
static int fcntlSizeHint(unixFile *pFile, i64 nByte){
  if( pFile->szChunk>0 ){
    i64 nSize;                    /* Required file size */
    struct stat buf;              /* Used to hold return values of fstat() */
   
    if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT;



    nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;
    if( nSize>(i64)buf.st_size ){

#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
      /* The code below is handling the return value of osFallocate() 
      ** correctly. posix_fallocate() is defined to "returns zero on success, 
................................................................................
  }

#if SQLITE_MAX_MMAP_SIZE>0
  if( pFile->mmapSizeMax>0 && nByte>pFile->mmapSize ){
    int rc;
    if( pFile->szChunk<=0 ){
      if( robust_ftruncate(pFile->h, nByte) ){
        pFile->lastErrno = errno;
        return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
      }
    }

    rc = unixMapfile(pFile, nByte);
    return rc;
  }
................................................................................
static int unixFileControl(sqlite3_file *id, int op, void *pArg){
  unixFile *pFile = (unixFile*)id;
  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = pFile->eFileLock;
      return SQLITE_OK;
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = pFile->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      pFile->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
................................................................................
    */
    case SQLITE_FCNTL_DB_UNCHANGED: {
      ((unixFile*)id)->dbUpdate = 0;
      return SQLITE_OK;
    }
#endif
#if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
    case SQLITE_SET_LOCKPROXYFILE:
    case SQLITE_GET_LOCKPROXYFILE: {
      return proxyFileControl(id,op,pArg);
    }
#endif /* SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__) */
  }
  return SQLITE_NOTFOUND;
}

................................................................................
  ** one if present. Create a new one if necessary.
  */
  unixEnterMutex();
  pInode = pDbFd->pInode;
  pShmNode = pInode->pShmNode;
  if( pShmNode==0 ){
    struct stat sStat;                 /* fstat() info for database file */




    /* Call fstat() to figure out the permissions on the database file. If
    ** a new *-shm file is created, an attempt will be made to create it
    ** with the same permissions.
    */
    if( osFstat(pDbFd->h, &sStat) && pInode->bProcessLock==0 ){
      rc = SQLITE_IOERR_FSTAT;
      goto shm_open_err;
    }

#ifdef SQLITE_SHM_DIRECTORY
    nShmFilename = sizeof(SQLITE_SHM_DIRECTORY) + 31;
#else
    nShmFilename = 6 + (int)strlen(pDbFd->zPath);
#endif
    pShmNode = sqlite3_malloc( sizeof(*pShmNode) + nShmFilename );
    if( pShmNode==0 ){
      rc = SQLITE_NOMEM;
      goto shm_open_err;
    }
    memset(pShmNode, 0, sizeof(*pShmNode)+nShmFilename);
    zShmFilename = pShmNode->zFilename = (char*)&pShmNode[1];
#ifdef SQLITE_SHM_DIRECTORY
    sqlite3_snprintf(nShmFilename, zShmFilename, 
                     SQLITE_SHM_DIRECTORY "/sqlite-shm-%x-%x",
                     (u32)sStat.st_ino, (u32)sStat.st_dev);
#else
    sqlite3_snprintf(nShmFilename, zShmFilename, "%s-shm", pDbFd->zPath);
    sqlite3FileSuffix3(pDbFd->zPath, zShmFilename);
#endif
    pShmNode->h = -1;
    pDbFd->pInode->pShmNode = pShmNode;
    pShmNode->pInode = pDbFd->pInode;
    pShmNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
    if( pShmNode->mutex==0 ){
................................................................................

  /* If pShmNode->nRef has reached 0, then close the underlying
  ** shared-memory file, too */
  unixEnterMutex();
  assert( pShmNode->nRef>0 );
  pShmNode->nRef--;
  if( pShmNode->nRef==0 ){
    if( deleteFlag && pShmNode->h>=0 ) osUnlink(pShmNode->zFilename);


    unixShmPurge(pDbFd);
  }
  unixLeaveMutex();

  return SQLITE_OK;
}

................................................................................
**
**   *  A constant sqlite3_io_methods object call METHOD that has locking
**      methods CLOSE, LOCK, UNLOCK, CKRESLOCK.
**
**   *  An I/O method finder function called FINDER that returns a pointer
**      to the METHOD object in the previous bullet.
*/
#define IOMETHODS(FINDER, METHOD, VERSION, CLOSE, LOCK, UNLOCK, CKLOCK, SHMMAP) \
static const sqlite3_io_methods METHOD = {                                   \
   VERSION,                    /* iVersion */                                \
   CLOSE,                      /* xClose */                                  \
   unixRead,                   /* xRead */                                   \
   unixWrite,                  /* xWrite */                                  \
   unixTruncate,               /* xTruncate */                               \
   unixSync,                   /* xSync */                                   \
................................................................................
        pNew->pInode->aSemName[0] = '\0';
      }
    }
    unixLeaveMutex();
  }
#endif
  
  pNew->lastErrno = 0;
#if OS_VXWORKS
  if( rc!=SQLITE_OK ){
    if( h>=0 ) robust_close(pNew, h, __LINE__);
    h = -1;
    osUnlink(zFilename);
    pNew->ctrlFlags |= UNIXFILE_DELETE;
  }
................................................................................
#endif

  noLock = eType!=SQLITE_OPEN_MAIN_DB;

  
#if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE
  if( fstatfs(fd, &fsInfo) == -1 ){
    ((unixFile*)pFile)->lastErrno = errno;
    robust_close(p, fd, __LINE__);
    return SQLITE_IOERR_ACCESS;
  }
  if (0 == strncmp("msdos", fsInfo.f_fstypename, 5)) {
    ((unixFile*)pFile)->fsFlags |= SQLITE_FSFLAGS_IS_MSDOS;
  }



#endif

  /* Set up appropriate ctrlFlags */
  if( isDelete )                ctrlFlags |= UNIXFILE_DELETE;
  if( isReadonly )              ctrlFlags |= UNIXFILE_RDONLY;
  if( noLock )                  ctrlFlags |= UNIXFILE_NOLOCK;
  if( syncDir )                 ctrlFlags |= UNIXFILE_DIRSYNC;
................................................................................
    int useProxy = 0;

    /* SQLITE_FORCE_PROXY_LOCKING==1 means force always use proxy, 0 means 
    ** never use proxy, NULL means use proxy for non-local files only.  */
    if( envforce!=NULL ){
      useProxy = atoi(envforce)>0;
    }else{
      if( statfs(zPath, &fsInfo) == -1 ){
        /* In theory, the close(fd) call is sub-optimal. If the file opened
        ** with fd is a database file, and there are other connections open
        ** on that file that are currently holding advisory locks on it,
        ** then the call to close() will cancel those locks. In practice,
        ** we're assuming that statfs() doesn't fail very often. At least
        ** not while other file descriptors opened by the same process on
        ** the same file are working.  */
        p->lastErrno = errno;
        robust_close(p, fd, __LINE__);
        rc = SQLITE_IOERR_ACCESS;
        goto open_finished;
      }
      useProxy = !(fsInfo.f_flags&MNT_LOCAL);
    }
    if( useProxy ){
      rc = fillInUnixFile(pVfs, fd, pFile, zPath, ctrlFlags);
      if( rc==SQLITE_OK ){
        rc = proxyTransformUnixFile((unixFile*)pFile, ":auto:");
        if( rc!=SQLITE_OK ){
................................................................................
**
**
** Using proxy locks
** -----------------
**
** C APIs
**
**  sqlite3_file_control(db, dbname, SQLITE_SET_LOCKPROXYFILE,
**                       <proxy_path> | ":auto:");
**  sqlite3_file_control(db, dbname, SQLITE_GET_LOCKPROXYFILE, &<proxy_path>);

**
**
** SQL pragmas
**
**  PRAGMA [database.]lock_proxy_file=<proxy_path> | :auto:
**  PRAGMA [database.]lock_proxy_file
**
................................................................................
**       lock proxy files, only used when LOCKPROXYDIR is not set.
**    
**    
** As mentioned above, when compiled with SQLITE_PREFER_PROXY_LOCKING,
** setting the environment variable SQLITE_FORCE_PROXY_LOCKING to 1 will
** force proxy locking to be used for every database file opened, and 0
** will force automatic proxy locking to be disabled for all database
** files (explicitly calling the SQLITE_SET_LOCKPROXYFILE pragma or
** sqlite_file_control API is not affected by SQLITE_FORCE_PROXY_LOCKING).
*/

/*
** Proxy locking is only available on MacOSX 
*/
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
................................................................................
struct proxyLockingContext {
  unixFile *conchFile;         /* Open conch file */
  char *conchFilePath;         /* Name of the conch file */
  unixFile *lockProxy;         /* Open proxy lock file */
  char *lockProxyPath;         /* Name of the proxy lock file */
  char *dbPath;                /* Name of the open file */
  int conchHeld;               /* 1 if the conch is held, -1 if lockless */

  void *oldLockingContext;     /* Original lockingcontext to restore on close */
  sqlite3_io_methods const *pOldMethod;     /* Original I/O methods for close */
};

/* 
** The proxy lock file path for the database at dbPath is written into lPath, 
** which must point to valid, writable memory large enough for a maxLen length
................................................................................

/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN 
** bytes of writable memory.
*/
static int proxyGetHostID(unsigned char *pHostID, int *pError){
  assert(PROXY_HOSTIDLEN == sizeof(uuid_t));
  memset(pHostID, 0, PROXY_HOSTIDLEN);
#if defined(__MAX_OS_X_VERSION_MIN_REQUIRED)\
               && __MAC_OS_X_VERSION_MIN_REQUIRED<1050
  {
    static const struct timespec timeout = {1, 0}; /* 1 sec timeout */
    if( gethostuuid(pHostID, &timeout) ){
      int err = errno;
      if( pError ){
        *pError = err;
      }
      return SQLITE_IOERR;
    }
................................................................................
       * 1st try: get the mod time of the conch, wait 0.5s and try again. 
       * 2nd try: fail if the mod time changed or host id is different, wait 
       *           10 sec and try again
       * 3rd try: break the lock unless the mod time has changed.
       */
      struct stat buf;
      if( osFstat(conchFile->h, &buf) ){
        pFile->lastErrno = errno;
        return SQLITE_IOERR_LOCK;
      }
      
      if( nTries==1 ){
        conchModTime = buf.st_mtimespec;
        usleep(500000); /* wait 0.5 sec and try the lock again*/
        continue;  
................................................................................
        return SQLITE_BUSY;
      }
      
      if( nTries==2 ){  
        char tBuf[PROXY_MAXCONCHLEN];
        int len = osPread(conchFile->h, tBuf, PROXY_MAXCONCHLEN, 0);
        if( len<0 ){
          pFile->lastErrno = errno;
          return SQLITE_IOERR_LOCK;
        }
        if( len>PROXY_PATHINDEX && tBuf[0]==(char)PROXY_CONCHVERSION){
          /* don't break the lock if the host id doesn't match */
          if( 0!=memcmp(&tBuf[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN) ){
            return SQLITE_BUSY;
          }
................................................................................
        continue; 
      }
      
      assert( nTries==3 );
      if( 0==proxyBreakConchLock(pFile, myHostID) ){
        rc = SQLITE_OK;
        if( lockType==EXCLUSIVE_LOCK ){
          rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, SHARED_LOCK);          
        }
        if( !rc ){
          rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, lockType);
        }
      }
    }
  } while( rc==SQLITE_BUSY && nTries<3 );
................................................................................
    int forceNewLockPath = 0;
    
    OSTRACE(("TAKECONCH  %d for %s pid=%d\n", conchFile->h,
             (pCtx->lockProxyPath ? pCtx->lockProxyPath : ":auto:"), getpid()));

    rc = proxyGetHostID(myHostID, &pError);
    if( (rc&0xff)==SQLITE_IOERR ){
      pFile->lastErrno = pError;
      goto end_takeconch;
    }
    rc = proxyConchLock(pFile, myHostID, SHARED_LOCK);
    if( rc!=SQLITE_OK ){
      goto end_takeconch;
    }
    /* read the existing conch file */
    readLen = seekAndRead((unixFile*)conchFile, 0, readBuf, PROXY_MAXCONCHLEN);
    if( readLen<0 ){
      /* I/O error: lastErrno set by seekAndRead */
      pFile->lastErrno = conchFile->lastErrno;
      rc = SQLITE_IOERR_READ;
      goto end_takeconch;
    }else if( readLen<=(PROXY_HEADERLEN+PROXY_HOSTIDLEN) || 
             readBuf[0]!=(char)PROXY_CONCHVERSION ){
      /* a short read or version format mismatch means we need to create a new 
      ** conch file. 
      */
................................................................................
          /* We are trying for an exclusive lock but another thread in this
           ** same process is still holding a shared lock. */
          rc = SQLITE_BUSY;
        } else {          
          rc = proxyConchLock(pFile, myHostID, EXCLUSIVE_LOCK);
        }
      }else{
        rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, EXCLUSIVE_LOCK);
      }
      if( rc==SQLITE_OK ){
        char writeBuffer[PROXY_MAXCONCHLEN];
        int writeSize = 0;
        
        writeBuffer[0] = (char)PROXY_CONCHVERSION;
        memcpy(&writeBuffer[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN);
        if( pCtx->lockProxyPath!=NULL ){
          strlcpy(&writeBuffer[PROXY_PATHINDEX], pCtx->lockProxyPath, MAXPATHLEN);

        }else{
          strlcpy(&writeBuffer[PROXY_PATHINDEX], tempLockPath, MAXPATHLEN);
        }
        writeSize = PROXY_PATHINDEX + strlen(&writeBuffer[PROXY_PATHINDEX]);
        robust_ftruncate(conchFile->h, writeSize);
        rc = unixWrite((sqlite3_file *)conchFile, writeBuffer, writeSize, 0);
        fsync(conchFile->h);
................................................................................
*/
static int proxyGetDbPathForUnixFile(unixFile *pFile, char *dbPath){
#if defined(__APPLE__)
  if( pFile->pMethod == &afpIoMethods ){
    /* afp style keeps a reference to the db path in the filePath field 
    ** of the struct */
    assert( (int)strlen((char*)pFile->lockingContext)<=MAXPATHLEN );
    strlcpy(dbPath, ((afpLockingContext *)pFile->lockingContext)->dbPath, MAXPATHLEN);

  } else
#endif
  if( pFile->pMethod == &dotlockIoMethods ){
    /* dot lock style uses the locking context to store the dot lock
    ** file path */
    int len = strlen((char *)pFile->lockingContext) - strlen(DOTLOCK_SUFFIX);
    memcpy(dbPath, (char *)pFile->lockingContext, len + 1);
................................................................................

/*
** This routine handles sqlite3_file_control() calls that are specific
** to proxy locking.
*/
static int proxyFileControl(sqlite3_file *id, int op, void *pArg){
  switch( op ){
    case SQLITE_GET_LOCKPROXYFILE: {
      unixFile *pFile = (unixFile*)id;
      if( pFile->pMethod == &proxyIoMethods ){
        proxyLockingContext *pCtx = (proxyLockingContext*)pFile->lockingContext;
        proxyTakeConch(pFile);
        if( pCtx->lockProxyPath ){
          *(const char **)pArg = pCtx->lockProxyPath;
        }else{
................................................................................
          *(const char **)pArg = ":auto: (not held)";
        }
      } else {
        *(const char **)pArg = NULL;
      }
      return SQLITE_OK;
    }
    case SQLITE_SET_LOCKPROXYFILE: {
      unixFile *pFile = (unixFile*)id;
      int rc = SQLITE_OK;
      int isProxyStyle = (pFile->pMethod == &proxyIoMethods);
      if( pArg==NULL || (const char *)pArg==0 ){
        if( isProxyStyle ){
          /* turn off proxy locking - not supported */



          rc = SQLITE_ERROR /*SQLITE_PROTOCOL? SQLITE_MISUSE?*/;
        }else{
          /* turn off proxy locking - already off - NOOP */
          rc = SQLITE_OK;
        }
      }else{
        const char *proxyPath = (const char *)pArg;








|







 







|
|
|







 







>
>
>
>
>
>
>
>







 







|







 







|




|







 







|







 







|







 







|







 







|







 







<







 







|











|











|







 







|












|







 







|







 







|







 







|







 







|









|







 







|







 







|







 







|







 







|







 







|







 







|

|









|







 







|







 







|

|







 







|







 







|







 







|







 







|







 







|
>
>







 







|







 







|







 







|
|







 







>
>
>













|













|







 







|
>
>







 







|







 







|







 







|






>
>
>







 







<
<
<
<
<
<
<
<
<
<
<
<
<







 







|

|
>







 







|







 







>







 







|
|

|







 







|







 







|







 







|







 







|










|







 







|








|
>







 







|
>







 







|







 







|





|
>
>
>








250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
...
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
....
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
....
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
....
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
....
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
....
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
....
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
....
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
....
1779
1780
1781
1782
1783
1784
1785

1786
1787
1788
1789
1790
1791
1792
....
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
....
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
....
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
....
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
....
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
....
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
....
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
....
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
....
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
....
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
....
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
....
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
....
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
....
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
....
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
....
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
....
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
....
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
....
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
....
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
....
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
....
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
....
4263
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
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
....
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
....
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
....
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
....
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
....
5873
5874
5875
5876
5877
5878
5879













5880
5881
5882
5883
5884
5885
5886
....
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
....
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
....
6415
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
....
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
....
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
....
6742
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
6753
6754
6755
6756
....
6762
6763
6764
6765
6766
6767
6768
6769
6770
6771
6772
6773
6774
6775
6776
....
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829
....
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
6902
6903
6904
6905
6906
6907
6908
6909
6910
6911
6912
....
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
....
7224
7225
7226
7227
7228
7229
7230
7231
7232
7233
7234
7235
7236
7237
7238
....
7239
7240
7241
7242
7243
7244
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261
7262

#else
# define UNIXFILE_DIRSYNC    0x00
#endif
#define UNIXFILE_PSOW        0x10     /* SQLITE_IOCAP_POWERSAFE_OVERWRITE */
#define UNIXFILE_DELETE      0x20     /* Delete on close */
#define UNIXFILE_URI         0x40     /* Filename might have query parameters */
#define UNIXFILE_NOLOCK      0x80     /* Do no file locking */
#define UNIXFILE_WARNED    0x0100     /* verifyDbFile() warnings issued */

/*
** Include code that is common to all os_*.c files
*/
#include "os_common.h"

/*
................................................................................
#undef osFcntl
#define osFcntl lockTrace
#endif /* SQLITE_LOCK_TRACE */

/*
** Retry ftruncate() calls that fail due to EINTR
**
** All calls to ftruncate() within this file should be made through
** this wrapper.  On the Android platform, bypassing the logic below
** could lead to a corrupt database.
*/
static int robust_ftruncate(int h, sqlite3_int64 sz){
  int rc;
#ifdef __ANDROID__
  /* On Android, ftruncate() always uses 32-bit offsets, even if 
  ** _FILE_OFFSET_BITS=64 is defined. This means it is unsafe to attempt to
  ** truncate a file to any size larger than 2GiB. Silently ignore any
................................................................................
*/
static void robust_close(unixFile *pFile, int h, int lineno){
  if( osClose(h) ){
    unixLogErrorAtLine(SQLITE_IOERR_CLOSE, "close",
                       pFile ? pFile->zPath : 0, lineno);
  }
}

/*
** Set the pFile->lastErrno.  Do this in a subroutine as that provides
** a convenient place to set a breakpoint.
*/
static void storeLastErrno(unixFile *pFile, int error){
  pFile->lastErrno = error;
}

/*
** Close all file descriptors accumuated in the unixInodeInfo->pUnused list.
*/ 
static void closePendingFds(unixFile *pFile){
  unixInodeInfo *pInode = pFile->pInode;
  UnixUnusedFd *p;
................................................................................

  /* Get low-level information about the file that we can used to
  ** create a unique name for the file.
  */
  fd = pFile->h;
  rc = osFstat(fd, &statbuf);
  if( rc!=0 ){
    storeLastErrno(pFile, errno);
#ifdef EOVERFLOW
    if( pFile->lastErrno==EOVERFLOW ) return SQLITE_NOLFS;
#endif
    return SQLITE_IOERR;
  }

#ifdef __APPLE__
................................................................................
  ** in the header of every SQLite database.  In this way, if there
  ** is a race condition such that another thread has already populated
  ** the first page of the database, no damage is done.
  */
  if( statbuf.st_size==0 && (pFile->fsFlags & SQLITE_FSFLAGS_IS_MSDOS)!=0 ){
    do{ rc = osWrite(fd, "S", 1); }while( rc<0 && errno==EINTR );
    if( rc!=1 ){
      storeLastErrno(pFile, errno);
      return SQLITE_IOERR;
    }
    rc = osFstat(fd, &statbuf);
    if( rc!=0 ){
      storeLastErrno(pFile, errno);
      return SQLITE_IOERR;
    }
  }
#endif

  memset(&fileId, 0, sizeof(fileId));
  fileId.dev = statbuf.st_dev;
................................................................................
    struct flock lock;
    lock.l_whence = SEEK_SET;
    lock.l_start = RESERVED_BYTE;
    lock.l_len = 1;
    lock.l_type = F_WRLCK;
    if( osFcntl(pFile->h, F_GETLK, &lock) ){
      rc = SQLITE_IOERR_CHECKRESERVEDLOCK;
      storeLastErrno(pFile, errno);
    } else if( lock.l_type!=F_UNLCK ){
      reserved = 1;
    }
  }
#endif
  
  unixLeaveMutex();
................................................................................
  ){
    lock.l_type = (eFileLock==SHARED_LOCK?F_RDLCK:F_WRLCK);
    lock.l_start = PENDING_BYTE;
    if( unixFileLock(pFile, &lock) ){
      tErrno = errno;
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( rc!=SQLITE_BUSY ){
        storeLastErrno(pFile, tErrno);
      }
      goto end_lock;
    }
  }


  /* If control gets to this point, then actually go ahead and make
................................................................................
      /* This could happen with a network mount */
      tErrno = errno;
      rc = SQLITE_IOERR_UNLOCK; 
    }

    if( rc ){
      if( rc!=SQLITE_BUSY ){
        storeLastErrno(pFile, tErrno);
      }
      goto end_lock;
    }else{
      pFile->eFileLock = SHARED_LOCK;
      pInode->nLock++;
      pInode->nShared = 1;
    }
................................................................................
      lock.l_len = SHARED_SIZE;
    }

    if( unixFileLock(pFile, &lock) ){
      tErrno = errno;
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( rc!=SQLITE_BUSY ){
        storeLastErrno(pFile, tErrno);
      }
    }
  }
  

#ifdef SQLITE_DEBUG
  /* Set up the transaction-counter change checking flags when
................................................................................
    ** write lock until the rest is covered by a read lock:
    **  1:   [WWWWW]
    **  2:   [....W]
    **  3:   [RRRRW]
    **  4:   [RRRR.]
    */
    if( eFileLock==SHARED_LOCK ){

#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE
      (void)handleNFSUnlock;
      assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
      if( handleNFSUnlock ){
        int tErrno;               /* Error code from system call errors */
................................................................................
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = SQLITE_IOERR_UNLOCK;
          if( IS_LOCK_ERROR(rc) ){
            storeLastErrno(pFile, tErrno);
          }
          goto end_unlock;
        }
        lock.l_type = F_RDLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_RDLOCK);
          if( IS_LOCK_ERROR(rc) ){
            storeLastErrno(pFile, tErrno);
          }
          goto end_unlock;
        }
        lock.l_type = F_UNLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST+divSize;
        lock.l_len = SHARED_SIZE-divSize;
        if( unixFileLock(pFile, &lock)==(-1) ){
          tErrno = errno;
          rc = SQLITE_IOERR_UNLOCK;
          if( IS_LOCK_ERROR(rc) ){
            storeLastErrno(pFile, tErrno);
          }
          goto end_unlock;
        }
      }else
#endif /* defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE */
      {
        lock.l_type = F_RDLCK;
................................................................................
          /* In theory, the call to unixFileLock() cannot fail because another
          ** process is holding an incompatible lock. If it does, this 
          ** indicates that the other process is not following the locking
          ** protocol. If this happens, return SQLITE_IOERR_RDLOCK. Returning
          ** SQLITE_BUSY would confuse the upper layer (in practice it causes 
          ** an assert to fail). */ 
          rc = SQLITE_IOERR_RDLOCK;
          storeLastErrno(pFile, errno);
          goto end_unlock;
        }
      }
    }
    lock.l_type = F_UNLCK;
    lock.l_whence = SEEK_SET;
    lock.l_start = PENDING_BYTE;
    lock.l_len = 2L;  assert( PENDING_BYTE+1==RESERVED_BYTE );
    if( unixFileLock(pFile, &lock)==0 ){
      pInode->eFileLock = SHARED_LOCK;
    }else{
      rc = SQLITE_IOERR_UNLOCK;
      storeLastErrno(pFile, errno);
      goto end_unlock;
    }
  }
  if( eFileLock==NO_LOCK ){
    /* Decrement the shared lock counter.  Release the lock using an
    ** OS call only when all threads in this same process have released
    ** the lock.
................................................................................
      lock.l_type = F_UNLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = lock.l_len = 0L;
      if( unixFileLock(pFile, &lock)==0 ){
        pInode->eFileLock = NO_LOCK;
      }else{
        rc = SQLITE_IOERR_UNLOCK;
        storeLastErrno(pFile, errno);
        pInode->eFileLock = NO_LOCK;
        pFile->eFileLock = NO_LOCK;
      }
    }

    /* Decrement the count of locks against this same file.  When the
    ** count reaches zero, close any other file descriptors whose close
................................................................................
    /* failed to open/create the lock directory */
    int tErrno = errno;
    if( EEXIST == tErrno ){
      rc = SQLITE_BUSY;
    } else {
      rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
      if( IS_LOCK_ERROR(rc) ){
        storeLastErrno(pFile, tErrno);
      }
    }
    return rc;
  } 
  
  /* got it, set the type and return ok */
  pFile->eFileLock = eFileLock;
................................................................................
  if( rc<0 ){
    int tErrno = errno;
    rc = 0;
    if( ENOENT != tErrno ){
      rc = SQLITE_IOERR_UNLOCK;
    }
    if( IS_LOCK_ERROR(rc) ){
      storeLastErrno(pFile, tErrno);
    }
    return rc; 
  }
  pFile->eFileLock = NO_LOCK;
  return SQLITE_OK;
}

................................................................................
      /* got the lock, unlock it */
      lrc = robust_flock(pFile->h, LOCK_UN);
      if ( lrc ) {
        int tErrno = errno;
        /* unlock failed with an error */
        lrc = SQLITE_IOERR_UNLOCK; 
        if( IS_LOCK_ERROR(lrc) ){
          storeLastErrno(pFile, tErrno);
          rc = lrc;
        }
      }
    } else {
      int tErrno = errno;
      reserved = 1;
      /* someone else might have it reserved */
      lrc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK); 
      if( IS_LOCK_ERROR(lrc) ){
        storeLastErrno(pFile, tErrno);
        rc = lrc;
      }
    }
  }
  OSTRACE(("TEST WR-LOCK %d %d %d (flock)\n", pFile->h, rc, reserved));

#ifdef SQLITE_IGNORE_FLOCK_LOCK_ERRORS
................................................................................
  /* grab an exclusive lock */
  
  if (robust_flock(pFile->h, LOCK_EX | LOCK_NB)) {
    int tErrno = errno;
    /* didn't get, must be busy */
    rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_LOCK);
    if( IS_LOCK_ERROR(rc) ){
      storeLastErrno(pFile, tErrno);
    }
  } else {
    /* got it, set the type and return ok */
    pFile->eFileLock = eFileLock;
  }
  OSTRACE(("LOCK    %d %s %s (flock)\n", pFile->h, azFileLock(eFileLock), 
           rc==SQLITE_OK ? "ok" : "failed"));
................................................................................
  if( !reserved ){
    sem_t *pSem = pFile->pInode->pSem;

    if( sem_trywait(pSem)==-1 ){
      int tErrno = errno;
      if( EAGAIN != tErrno ){
        rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_CHECKRESERVEDLOCK);
        storeLastErrno(pFile, tErrno);
      } else {
        /* someone else has the lock when we are in NO_LOCK */
        reserved = (pFile->eFileLock < SHARED_LOCK);
      }
    }else{
      /* we could have it if we want it */
      sem_post(pSem);
................................................................................
  }
  
  /* no, really unlock. */
  if ( sem_post(pSem)==-1 ) {
    int rc, tErrno = errno;
    rc = sqliteErrorFromPosixError(tErrno, SQLITE_IOERR_UNLOCK);
    if( IS_LOCK_ERROR(rc) ){
      storeLastErrno(pFile, tErrno);
    }
    return rc; 
  }
  pFile->eFileLock = NO_LOCK;
  return SQLITE_OK;
}

................................................................................
#ifdef SQLITE_IGNORE_AFP_LOCK_ERRORS
    rc = SQLITE_BUSY;
#else
    rc = sqliteErrorFromPosixError(tErrno,
                    setLockFlag ? SQLITE_IOERR_LOCK : SQLITE_IOERR_UNLOCK);
#endif /* SQLITE_IGNORE_AFP_LOCK_ERRORS */
    if( IS_LOCK_ERROR(rc) ){
      storeLastErrno(pFile, tErrno);
    }
    return rc;
  } else {
    return SQLITE_OK;
  }
}

................................................................................
    if( IS_LOCK_ERROR(lrc1) ){
      lrc1Errno = pFile->lastErrno;
    }
    /* Drop the temporary PENDING lock */
    lrc2 = afpSetLock(context->dbPath, pFile, PENDING_BYTE, 1, 0);
    
    if( IS_LOCK_ERROR(lrc1) ) {
      storeLastErrno(pFile, lrc1Errno);
      rc = lrc1;
      goto afp_end_lock;
    } else if( IS_LOCK_ERROR(lrc2) ){
      rc = lrc2;
      goto afp_end_lock;
    } else if( lrc1 != SQLITE_OK ) {
      rc = lrc1;
................................................................................
    got = osPread64(id->h, pBuf, cnt, offset);
    SimulateIOError( got = -1 );
#else
    newOffset = lseek(id->h, offset, SEEK_SET);
    SimulateIOError( newOffset-- );
    if( newOffset!=offset ){
      if( newOffset == -1 ){
        storeLastErrno((unixFile*)id, errno);
      }else{
        storeLastErrno((unixFile*)id, 0);
      }
      return -1;
    }
    got = osRead(id->h, pBuf, cnt);
#endif
    if( got==cnt ) break;
    if( got<0 ){
      if( errno==EINTR ){ got = 1; continue; }
      prior = 0;
      storeLastErrno((unixFile*)id,  errno);
      break;
    }else if( got>0 ){
      cnt -= got;
      offset += got;
      prior += got;
      pBuf = (void*)(got + (char*)pBuf);
    }
................................................................................
  got = seekAndRead(pFile, offset, pBuf, amt);
  if( got==amt ){
    return SQLITE_OK;
  }else if( got<0 ){
    /* lastErrno set by seekAndRead */
    return SQLITE_IOERR_READ;
  }else{
    storeLastErrno(pFile, 0);   /* not a system error */
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[got], 0, amt-got);
    return SQLITE_IOERR_SHORT_READ;
  }
}

/*
................................................................................

  assert( nBuf==(nBuf&0x1ffff) );
  assert( fd>2 );
  nBuf &= 0x1ffff;
  TIMER_START;

#if defined(USE_PREAD)
  do{ rc = (int)osPwrite(fd, pBuf, nBuf, iOff); }while( rc<0 && errno==EINTR );
#elif defined(USE_PREAD64)
  do{ rc = (int)osPwrite64(fd, pBuf, nBuf, iOff);}while( rc<0 && errno==EINTR);
#else
  do{
    i64 iSeek = lseek(fd, iOff, SEEK_SET);
    SimulateIOError( iSeek-- );

    if( iSeek!=iOff ){
      if( piErrno ) *piErrno = (iSeek==-1 ? errno : 0);
................................................................................
  SimulateDiskfullError(( wrote=0, amt=1 ));

  if( amt>0 ){
    if( wrote<0 && pFile->lastErrno!=ENOSPC ){
      /* lastErrno set by seekAndWrite */
      return SQLITE_IOERR_WRITE;
    }else{
      storeLastErrno(pFile, 0); /* not a system error */
      return SQLITE_FULL;
    }
  }

  return SQLITE_OK;
}

................................................................................
  SimulateDiskfullError( return SQLITE_FULL );

  assert( pFile );
  OSTRACE(("SYNC    %-3d\n", pFile->h));
  rc = full_fsync(pFile->h, isFullsync, isDataOnly);
  SimulateIOError( rc=1 );
  if( rc ){
    storeLastErrno(pFile, errno);
    return unixLogError(SQLITE_IOERR_FSYNC, "full_fsync", pFile->zPath);
  }

  /* Also fsync the directory containing the file if the DIRSYNC flag
  ** is set.  This is a one-time occurrence.  Many systems (examples: AIX)
  ** are unable to fsync a directory, so ignore errors on the fsync.
  */
................................................................................
  */
  if( pFile->szChunk>0 ){
    nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
  }

  rc = robust_ftruncate(pFile->h, nByte);
  if( rc ){
    storeLastErrno(pFile, errno);
    return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
  }else{
#ifdef SQLITE_DEBUG
    /* If we are doing a normal write to a database file (as opposed to
    ** doing a hot-journal rollback or a write to some file other than a
    ** normal database file) and we truncate the file to zero length,
    ** that effectively updates the change counter.  This might happen
................................................................................
static int unixFileSize(sqlite3_file *id, i64 *pSize){
  int rc;
  struct stat buf;
  assert( id );
  rc = osFstat(((unixFile*)id)->h, &buf);
  SimulateIOError( rc=1 );
  if( rc!=0 ){
    storeLastErrno((unixFile*)id, errno);
    return SQLITE_IOERR_FSTAT;
  }
  *pSize = buf.st_size;

  /* When opening a zero-size database, the findInodeInfo() procedure
  ** writes a single byte into that file in order to work around a bug
  ** in the OS-X msdos filesystem.  In order to avoid problems with upper
................................................................................
** nBytes or larger, this routine is a no-op.
*/
static int fcntlSizeHint(unixFile *pFile, i64 nByte){
  if( pFile->szChunk>0 ){
    i64 nSize;                    /* Required file size */
    struct stat buf;              /* Used to hold return values of fstat() */
   
    if( osFstat(pFile->h, &buf) ){
      return SQLITE_IOERR_FSTAT;
    }

    nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;
    if( nSize>(i64)buf.st_size ){

#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
      /* The code below is handling the return value of osFallocate() 
      ** correctly. posix_fallocate() is defined to "returns zero on success, 
................................................................................
  }

#if SQLITE_MAX_MMAP_SIZE>0
  if( pFile->mmapSizeMax>0 && nByte>pFile->mmapSize ){
    int rc;
    if( pFile->szChunk<=0 ){
      if( robust_ftruncate(pFile->h, nByte) ){
        storeLastErrno(pFile, errno);
        return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
      }
    }

    rc = unixMapfile(pFile, nByte);
    return rc;
  }
................................................................................
static int unixFileControl(sqlite3_file *id, int op, void *pArg){
  unixFile *pFile = (unixFile*)id;
  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = pFile->eFileLock;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_LAST_ERRNO: {
      *(int*)pArg = pFile->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      pFile->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
................................................................................
    */
    case SQLITE_FCNTL_DB_UNCHANGED: {
      ((unixFile*)id)->dbUpdate = 0;
      return SQLITE_OK;
    }
#endif
#if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
    case SQLITE_FCNTL_SET_LOCKPROXYFILE:
    case SQLITE_FCNTL_GET_LOCKPROXYFILE: {
      return proxyFileControl(id,op,pArg);
    }
#endif /* SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__) */
  }
  return SQLITE_NOTFOUND;
}

................................................................................
  ** one if present. Create a new one if necessary.
  */
  unixEnterMutex();
  pInode = pDbFd->pInode;
  pShmNode = pInode->pShmNode;
  if( pShmNode==0 ){
    struct stat sStat;                 /* fstat() info for database file */
#ifndef SQLITE_SHM_DIRECTORY
    const char *zBasePath = pDbFd->zPath;
#endif

    /* Call fstat() to figure out the permissions on the database file. If
    ** a new *-shm file is created, an attempt will be made to create it
    ** with the same permissions.
    */
    if( osFstat(pDbFd->h, &sStat) && pInode->bProcessLock==0 ){
      rc = SQLITE_IOERR_FSTAT;
      goto shm_open_err;
    }

#ifdef SQLITE_SHM_DIRECTORY
    nShmFilename = sizeof(SQLITE_SHM_DIRECTORY) + 31;
#else
    nShmFilename = 6 + (int)strlen(zBasePath);
#endif
    pShmNode = sqlite3_malloc( sizeof(*pShmNode) + nShmFilename );
    if( pShmNode==0 ){
      rc = SQLITE_NOMEM;
      goto shm_open_err;
    }
    memset(pShmNode, 0, sizeof(*pShmNode)+nShmFilename);
    zShmFilename = pShmNode->zFilename = (char*)&pShmNode[1];
#ifdef SQLITE_SHM_DIRECTORY
    sqlite3_snprintf(nShmFilename, zShmFilename, 
                     SQLITE_SHM_DIRECTORY "/sqlite-shm-%x-%x",
                     (u32)sStat.st_ino, (u32)sStat.st_dev);
#else
    sqlite3_snprintf(nShmFilename, zShmFilename, "%s-shm", zBasePath);
    sqlite3FileSuffix3(pDbFd->zPath, zShmFilename);
#endif
    pShmNode->h = -1;
    pDbFd->pInode->pShmNode = pShmNode;
    pShmNode->pInode = pDbFd->pInode;
    pShmNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
    if( pShmNode->mutex==0 ){
................................................................................

  /* If pShmNode->nRef has reached 0, then close the underlying
  ** shared-memory file, too */
  unixEnterMutex();
  assert( pShmNode->nRef>0 );
  pShmNode->nRef--;
  if( pShmNode->nRef==0 ){
    if( deleteFlag && pShmNode->h>=0 ){
      osUnlink(pShmNode->zFilename);
    }
    unixShmPurge(pDbFd);
  }
  unixLeaveMutex();

  return SQLITE_OK;
}

................................................................................
**
**   *  A constant sqlite3_io_methods object call METHOD that has locking
**      methods CLOSE, LOCK, UNLOCK, CKRESLOCK.
**
**   *  An I/O method finder function called FINDER that returns a pointer
**      to the METHOD object in the previous bullet.
*/
#define IOMETHODS(FINDER,METHOD,VERSION,CLOSE,LOCK,UNLOCK,CKLOCK,SHMMAP)     \
static const sqlite3_io_methods METHOD = {                                   \
   VERSION,                    /* iVersion */                                \
   CLOSE,                      /* xClose */                                  \
   unixRead,                   /* xRead */                                   \
   unixWrite,                  /* xWrite */                                  \
   unixTruncate,               /* xTruncate */                               \
   unixSync,                   /* xSync */                                   \
................................................................................
        pNew->pInode->aSemName[0] = '\0';
      }
    }
    unixLeaveMutex();
  }
#endif
  
  storeLastErrno(pNew, 0);
#if OS_VXWORKS
  if( rc!=SQLITE_OK ){
    if( h>=0 ) robust_close(pNew, h, __LINE__);
    h = -1;
    osUnlink(zFilename);
    pNew->ctrlFlags |= UNIXFILE_DELETE;
  }
................................................................................
#endif

  noLock = eType!=SQLITE_OPEN_MAIN_DB;

  
#if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE
  if( fstatfs(fd, &fsInfo) == -1 ){
    storeLastErrno(p, errno);
    robust_close(p, fd, __LINE__);
    return SQLITE_IOERR_ACCESS;
  }
  if (0 == strncmp("msdos", fsInfo.f_fstypename, 5)) {
    ((unixFile*)pFile)->fsFlags |= SQLITE_FSFLAGS_IS_MSDOS;
  }
  if (0 == strncmp("exfat", fsInfo.f_fstypename, 5)) {
    ((unixFile*)pFile)->fsFlags |= SQLITE_FSFLAGS_IS_MSDOS;
  }
#endif

  /* Set up appropriate ctrlFlags */
  if( isDelete )                ctrlFlags |= UNIXFILE_DELETE;
  if( isReadonly )              ctrlFlags |= UNIXFILE_RDONLY;
  if( noLock )                  ctrlFlags |= UNIXFILE_NOLOCK;
  if( syncDir )                 ctrlFlags |= UNIXFILE_DIRSYNC;
................................................................................
    int useProxy = 0;

    /* SQLITE_FORCE_PROXY_LOCKING==1 means force always use proxy, 0 means 
    ** never use proxy, NULL means use proxy for non-local files only.  */
    if( envforce!=NULL ){
      useProxy = atoi(envforce)>0;
    }else{













      useProxy = !(fsInfo.f_flags&MNT_LOCAL);
    }
    if( useProxy ){
      rc = fillInUnixFile(pVfs, fd, pFile, zPath, ctrlFlags);
      if( rc==SQLITE_OK ){
        rc = proxyTransformUnixFile((unixFile*)pFile, ":auto:");
        if( rc!=SQLITE_OK ){
................................................................................
**
**
** Using proxy locks
** -----------------
**
** C APIs
**
**  sqlite3_file_control(db, dbname, SQLITE_FCNTL_SET_LOCKPROXYFILE,
**                       <proxy_path> | ":auto:");
**  sqlite3_file_control(db, dbname, SQLITE_FCNTL_GET_LOCKPROXYFILE,
**                       &<proxy_path>);
**
**
** SQL pragmas
**
**  PRAGMA [database.]lock_proxy_file=<proxy_path> | :auto:
**  PRAGMA [database.]lock_proxy_file
**
................................................................................
**       lock proxy files, only used when LOCKPROXYDIR is not set.
**    
**    
** As mentioned above, when compiled with SQLITE_PREFER_PROXY_LOCKING,
** setting the environment variable SQLITE_FORCE_PROXY_LOCKING to 1 will
** force proxy locking to be used for every database file opened, and 0
** will force automatic proxy locking to be disabled for all database
** files (explicitly calling the SQLITE_FCNTL_SET_LOCKPROXYFILE pragma or
** sqlite_file_control API is not affected by SQLITE_FORCE_PROXY_LOCKING).
*/

/*
** Proxy locking is only available on MacOSX 
*/
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
................................................................................
struct proxyLockingContext {
  unixFile *conchFile;         /* Open conch file */
  char *conchFilePath;         /* Name of the conch file */
  unixFile *lockProxy;         /* Open proxy lock file */
  char *lockProxyPath;         /* Name of the proxy lock file */
  char *dbPath;                /* Name of the open file */
  int conchHeld;               /* 1 if the conch is held, -1 if lockless */
  int nFails;                  /* Number of conch taking failures */
  void *oldLockingContext;     /* Original lockingcontext to restore on close */
  sqlite3_io_methods const *pOldMethod;     /* Original I/O methods for close */
};

/* 
** The proxy lock file path for the database at dbPath is written into lPath, 
** which must point to valid, writable memory large enough for a maxLen length
................................................................................

/* get the host ID via gethostuuid(), pHostID must point to PROXY_HOSTIDLEN 
** bytes of writable memory.
*/
static int proxyGetHostID(unsigned char *pHostID, int *pError){
  assert(PROXY_HOSTIDLEN == sizeof(uuid_t));
  memset(pHostID, 0, PROXY_HOSTIDLEN);
# if defined(__APPLE__) && ((__MAC_OS_X_VERSION_MIN_REQUIRED > 1050) || \
                            (__IPHONE_OS_VERSION_MIN_REQUIRED > 2000))
  {
    struct timespec timeout = {1, 0}; /* 1 sec timeout */
    if( gethostuuid(pHostID, &timeout) ){
      int err = errno;
      if( pError ){
        *pError = err;
      }
      return SQLITE_IOERR;
    }
................................................................................
       * 1st try: get the mod time of the conch, wait 0.5s and try again. 
       * 2nd try: fail if the mod time changed or host id is different, wait 
       *           10 sec and try again
       * 3rd try: break the lock unless the mod time has changed.
       */
      struct stat buf;
      if( osFstat(conchFile->h, &buf) ){
        storeLastErrno(pFile, errno);
        return SQLITE_IOERR_LOCK;
      }
      
      if( nTries==1 ){
        conchModTime = buf.st_mtimespec;
        usleep(500000); /* wait 0.5 sec and try the lock again*/
        continue;  
................................................................................
        return SQLITE_BUSY;
      }
      
      if( nTries==2 ){  
        char tBuf[PROXY_MAXCONCHLEN];
        int len = osPread(conchFile->h, tBuf, PROXY_MAXCONCHLEN, 0);
        if( len<0 ){
          storeLastErrno(pFile, errno);
          return SQLITE_IOERR_LOCK;
        }
        if( len>PROXY_PATHINDEX && tBuf[0]==(char)PROXY_CONCHVERSION){
          /* don't break the lock if the host id doesn't match */
          if( 0!=memcmp(&tBuf[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN) ){
            return SQLITE_BUSY;
          }
................................................................................
        continue; 
      }
      
      assert( nTries==3 );
      if( 0==proxyBreakConchLock(pFile, myHostID) ){
        rc = SQLITE_OK;
        if( lockType==EXCLUSIVE_LOCK ){
          rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, SHARED_LOCK);
        }
        if( !rc ){
          rc = conchFile->pMethod->xLock((sqlite3_file*)conchFile, lockType);
        }
      }
    }
  } while( rc==SQLITE_BUSY && nTries<3 );
................................................................................
    int forceNewLockPath = 0;
    
    OSTRACE(("TAKECONCH  %d for %s pid=%d\n", conchFile->h,
             (pCtx->lockProxyPath ? pCtx->lockProxyPath : ":auto:"), getpid()));

    rc = proxyGetHostID(myHostID, &pError);
    if( (rc&0xff)==SQLITE_IOERR ){
      storeLastErrno(pFile, pError);
      goto end_takeconch;
    }
    rc = proxyConchLock(pFile, myHostID, SHARED_LOCK);
    if( rc!=SQLITE_OK ){
      goto end_takeconch;
    }
    /* read the existing conch file */
    readLen = seekAndRead((unixFile*)conchFile, 0, readBuf, PROXY_MAXCONCHLEN);
    if( readLen<0 ){
      /* I/O error: lastErrno set by seekAndRead */
      storeLastErrno(pFile, conchFile->lastErrno);
      rc = SQLITE_IOERR_READ;
      goto end_takeconch;
    }else if( readLen<=(PROXY_HEADERLEN+PROXY_HOSTIDLEN) || 
             readBuf[0]!=(char)PROXY_CONCHVERSION ){
      /* a short read or version format mismatch means we need to create a new 
      ** conch file. 
      */
................................................................................
          /* We are trying for an exclusive lock but another thread in this
           ** same process is still holding a shared lock. */
          rc = SQLITE_BUSY;
        } else {          
          rc = proxyConchLock(pFile, myHostID, EXCLUSIVE_LOCK);
        }
      }else{
        rc = proxyConchLock(pFile, myHostID, EXCLUSIVE_LOCK);
      }
      if( rc==SQLITE_OK ){
        char writeBuffer[PROXY_MAXCONCHLEN];
        int writeSize = 0;
        
        writeBuffer[0] = (char)PROXY_CONCHVERSION;
        memcpy(&writeBuffer[PROXY_HEADERLEN], myHostID, PROXY_HOSTIDLEN);
        if( pCtx->lockProxyPath!=NULL ){
          strlcpy(&writeBuffer[PROXY_PATHINDEX], pCtx->lockProxyPath,
                  MAXPATHLEN);
        }else{
          strlcpy(&writeBuffer[PROXY_PATHINDEX], tempLockPath, MAXPATHLEN);
        }
        writeSize = PROXY_PATHINDEX + strlen(&writeBuffer[PROXY_PATHINDEX]);
        robust_ftruncate(conchFile->h, writeSize);
        rc = unixWrite((sqlite3_file *)conchFile, writeBuffer, writeSize, 0);
        fsync(conchFile->h);
................................................................................
*/
static int proxyGetDbPathForUnixFile(unixFile *pFile, char *dbPath){
#if defined(__APPLE__)
  if( pFile->pMethod == &afpIoMethods ){
    /* afp style keeps a reference to the db path in the filePath field 
    ** of the struct */
    assert( (int)strlen((char*)pFile->lockingContext)<=MAXPATHLEN );
    strlcpy(dbPath, ((afpLockingContext *)pFile->lockingContext)->dbPath,
            MAXPATHLEN);
  } else
#endif
  if( pFile->pMethod == &dotlockIoMethods ){
    /* dot lock style uses the locking context to store the dot lock
    ** file path */
    int len = strlen((char *)pFile->lockingContext) - strlen(DOTLOCK_SUFFIX);
    memcpy(dbPath, (char *)pFile->lockingContext, len + 1);
................................................................................

/*
** This routine handles sqlite3_file_control() calls that are specific
** to proxy locking.
*/
static int proxyFileControl(sqlite3_file *id, int op, void *pArg){
  switch( op ){
    case SQLITE_FCNTL_GET_LOCKPROXYFILE: {
      unixFile *pFile = (unixFile*)id;
      if( pFile->pMethod == &proxyIoMethods ){
        proxyLockingContext *pCtx = (proxyLockingContext*)pFile->lockingContext;
        proxyTakeConch(pFile);
        if( pCtx->lockProxyPath ){
          *(const char **)pArg = pCtx->lockProxyPath;
        }else{
................................................................................
          *(const char **)pArg = ":auto: (not held)";
        }
      } else {
        *(const char **)pArg = NULL;
      }
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SET_LOCKPROXYFILE: {
      unixFile *pFile = (unixFile*)id;
      int rc = SQLITE_OK;
      int isProxyStyle = (pFile->pMethod == &proxyIoMethods);
      if( pArg==NULL || (const char *)pArg==0 ){
        if( isProxyStyle ){
          /* turn off proxy locking - not supported.  If support is added for
          ** switching proxy locking mode off then it will need to fail if
          ** the journal mode is WAL mode. 
          */
          rc = SQLITE_ERROR /*SQLITE_PROTOCOL? SQLITE_MISUSE?*/;
        }else{
          /* turn off proxy locking - already off - NOOP */
          rc = SQLITE_OK;
        }
      }else{
        const char *proxyPath = (const char *)pArg;

Changes to src/os_win.c. 

1062
1063
1064
1065
1066
1067
1068

















1069
1070
1071
1072
1073
1074
1075
....
5340
5341
5342
5343
5344
5345
5346
















5347
5348
5349
5350
5351
5352
5353
....
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532

#else
  { "InterlockedCompareExchange", (SYSCALL)InterlockedCompareExchange, 0 },

#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG \
        SQLITE_WIN32_VOLATILE*, LONG,LONG))aSyscall[76].pCurrent)
#endif /* defined(InterlockedCompareExchange) */


















}; /* End of the overrideable system calls */

/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "win32" VFSes.  Return SQLITE_OK opon successfully updating the
** system call pointer, or SQLITE_NOTFOUND if there is no configurable
** system call named zName.
................................................................................
#endif
  if( sizeof(LARGE_INTEGER)<=nBuf-n ){
    LARGE_INTEGER i;
    osQueryPerformanceCounter(&i);
    memcpy(&zBuf[n], &i, sizeof(i));
    n += sizeof(i);
  }
















#endif
  return n;
}


/*
** Sleep for a little while.  Return the amount of time slept.
................................................................................
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };
#endif

  /* Double-check that the aSyscall[] array has been constructed
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==77 );

  /* get memory map allocation granularity */
  memset(&winSysInfo, 0, sizeof(SYSTEM_INFO));
#if SQLITE_OS_WINRT
  osGetNativeSystemInfo(&winSysInfo);
#else
  osGetSystemInfo(&winSysInfo);








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|








1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
....
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
....
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565

#else
  { "InterlockedCompareExchange", (SYSCALL)InterlockedCompareExchange, 0 },

#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG \
        SQLITE_WIN32_VOLATILE*, LONG,LONG))aSyscall[76].pCurrent)
#endif /* defined(InterlockedCompareExchange) */

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && SQLITE_WIN32_USE_UUID
  { "UuidCreate",               (SYSCALL)UuidCreate,             0 },
#else
  { "UuidCreate",               (SYSCALL)0,                      0 },
#endif

#define osUuidCreate ((RPC_STATUS(RPC_ENTRY*)(UUID*))aSyscall[77].pCurrent)

#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && SQLITE_WIN32_USE_UUID
  { "UuidCreateSequential",     (SYSCALL)UuidCreateSequential,   0 },
#else
  { "UuidCreateSequential",     (SYSCALL)0,                      0 },
#endif

#define osUuidCreateSequential \
        ((RPC_STATUS(RPC_ENTRY*)(UUID*))aSyscall[78].pCurrent)

}; /* End of the overrideable system calls */

/*
** This is the xSetSystemCall() method of sqlite3_vfs for all of the
** "win32" VFSes.  Return SQLITE_OK opon successfully updating the
** system call pointer, or SQLITE_NOTFOUND if there is no configurable
** system call named zName.
................................................................................
#endif
  if( sizeof(LARGE_INTEGER)<=nBuf-n ){
    LARGE_INTEGER i;
    osQueryPerformanceCounter(&i);
    memcpy(&zBuf[n], &i, sizeof(i));
    n += sizeof(i);
  }
#endif
#if !SQLITE_OS_WINCE && !SQLITE_OS_WINRT && SQLITE_WIN32_USE_UUID
  if( sizeof(UUID)<=nBuf-n ){
    UUID id;
    memset(&id, 0, sizeof(UUID));
    osUuidCreate(&id);
    memcpy(zBuf, &id, sizeof(UUID));
    n += sizeof(UUID);
  }
  if( sizeof(UUID)<=nBuf-n ){
    UUID id;
    memset(&id, 0, sizeof(UUID));
    osUuidCreateSequential(&id);
    memcpy(zBuf, &id, sizeof(UUID));
    n += sizeof(UUID);
  }
#endif
  return n;
}


/*
** Sleep for a little while.  Return the amount of time slept.
................................................................................
    winGetSystemCall,    /* xGetSystemCall */
    winNextSystemCall,   /* xNextSystemCall */
  };
#endif

  /* Double-check that the aSyscall[] array has been constructed
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==79 );

  /* get memory map allocation granularity */
  memset(&winSysInfo, 0, sizeof(SYSTEM_INFO));
#if SQLITE_OS_WINRT
  osGetNativeSystemInfo(&winSysInfo);
#else
  osGetSystemInfo(&winSysInfo);

Changes to src/parse.y. 

1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155

        pRHS->flags |= EP_Generic;
      }
      A.pExpr = sqlite3PExpr(pParse, N ? TK_NE : TK_EQ, X.pExpr, pRHS, 0);
    }else{
      A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
      if( A.pExpr ){
        A.pExpr->x.pList = Y;
        sqlite3ExprSetHeight(pParse, A.pExpr);
      }else{
        sqlite3ExprListDelete(pParse->db, Y);
      }
      if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    }
    A.zStart = X.zStart;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= LP(B) select(X) RP(E). {
    A.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = X;
      ExprSetProperty(A.pExpr, EP_xIsSelect);
      sqlite3ExprSetHeight(pParse, A.pExpr);
    }else{
      sqlite3SelectDelete(pParse->db, X);
    }
    A.zStart = B.z;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= expr(X) in_op(N) LP select(Y) RP(E).  [IN] {
    A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = Y;
      ExprSetProperty(A.pExpr, EP_xIsSelect);
      sqlite3ExprSetHeight(pParse, A.pExpr);
    }else{
      sqlite3SelectDelete(pParse->db, Y);
    }
    if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    A.zStart = X.zStart;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= expr(X) in_op(N) nm(Y) dbnm(Z). [IN] {
    SrcList *pSrc = sqlite3SrcListAppend(pParse->db, 0,&Y,&Z);
    A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0);
      ExprSetProperty(A.pExpr, EP_xIsSelect);
      sqlite3ExprSetHeight(pParse, A.pExpr);
    }else{
      sqlite3SrcListDelete(pParse->db, pSrc);
    }
    if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    A.zStart = X.zStart;
    A.zEnd = Z.z ? &Z.z[Z.n] : &Y.z[Y.n];
  }
  expr(A) ::= EXISTS(B) LP select(Y) RP(E). {
    Expr *p = A.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0, 0);
    if( p ){
      p->x.pSelect = Y;
      ExprSetProperty(p, EP_xIsSelect);
      sqlite3ExprSetHeight(pParse, p);
    }else{
      sqlite3SelectDelete(pParse->db, Y);
    }
    A.zStart = B.z;
    A.zEnd = &E.z[E.n];
  }
%endif SQLITE_OMIT_SUBQUERY

/* CASE expressions */
expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). {
  A.pExpr = sqlite3PExpr(pParse, TK_CASE, X, 0, 0);
  if( A.pExpr ){
    A.pExpr->x.pList = Z ? sqlite3ExprListAppend(pParse,Y,Z) : Y;
    sqlite3ExprSetHeight(pParse, A.pExpr);
  }else{
    sqlite3ExprListDelete(pParse->db, Y);
    sqlite3ExprDelete(pParse->db, Z);
  }
  A.zStart = C.z;
  A.zEnd = &E.z[E.n];
}








|












|
|










|
|












|
|











|
|













|








1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155

        pRHS->flags |= EP_Generic;
      }
      A.pExpr = sqlite3PExpr(pParse, N ? TK_NE : TK_EQ, X.pExpr, pRHS, 0);
    }else{
      A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
      if( A.pExpr ){
        A.pExpr->x.pList = Y;
        sqlite3ExprSetHeightAndFlags(pParse, A.pExpr);
      }else{
        sqlite3ExprListDelete(pParse->db, Y);
      }
      if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    }
    A.zStart = X.zStart;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= LP(B) select(X) RP(E). {
    A.pExpr = sqlite3PExpr(pParse, TK_SELECT, 0, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = X;
      ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery);
      sqlite3ExprSetHeightAndFlags(pParse, A.pExpr);
    }else{
      sqlite3SelectDelete(pParse->db, X);
    }
    A.zStart = B.z;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= expr(X) in_op(N) LP select(Y) RP(E).  [IN] {
    A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = Y;
      ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery);
      sqlite3ExprSetHeightAndFlags(pParse, A.pExpr);
    }else{
      sqlite3SelectDelete(pParse->db, Y);
    }
    if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    A.zStart = X.zStart;
    A.zEnd = &E.z[E.n];
  }
  expr(A) ::= expr(X) in_op(N) nm(Y) dbnm(Z). [IN] {
    SrcList *pSrc = sqlite3SrcListAppend(pParse->db, 0,&Y,&Z);
    A.pExpr = sqlite3PExpr(pParse, TK_IN, X.pExpr, 0, 0);
    if( A.pExpr ){
      A.pExpr->x.pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0,0);
      ExprSetProperty(A.pExpr, EP_xIsSelect|EP_Subquery);
      sqlite3ExprSetHeightAndFlags(pParse, A.pExpr);
    }else{
      sqlite3SrcListDelete(pParse->db, pSrc);
    }
    if( N ) A.pExpr = sqlite3PExpr(pParse, TK_NOT, A.pExpr, 0, 0);
    A.zStart = X.zStart;
    A.zEnd = Z.z ? &Z.z[Z.n] : &Y.z[Y.n];
  }
  expr(A) ::= EXISTS(B) LP select(Y) RP(E). {
    Expr *p = A.pExpr = sqlite3PExpr(pParse, TK_EXISTS, 0, 0, 0);
    if( p ){
      p->x.pSelect = Y;
      ExprSetProperty(p, EP_xIsSelect|EP_Subquery);
      sqlite3ExprSetHeightAndFlags(pParse, p);
    }else{
      sqlite3SelectDelete(pParse->db, Y);
    }
    A.zStart = B.z;
    A.zEnd = &E.z[E.n];
  }
%endif SQLITE_OMIT_SUBQUERY

/* CASE expressions */
expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). {
  A.pExpr = sqlite3PExpr(pParse, TK_CASE, X, 0, 0);
  if( A.pExpr ){
    A.pExpr->x.pList = Z ? sqlite3ExprListAppend(pParse,Y,Z) : Y;
    sqlite3ExprSetHeightAndFlags(pParse, A.pExpr);
  }else{
    sqlite3ExprListDelete(pParse->db, Y);
    sqlite3ExprDelete(pParse->db, Z);
  }
  A.zStart = C.z;
  A.zEnd = &E.z[E.n];
}

Changes to src/pragma.c. 

18
19
20
21
22
23
24

25
26
27


28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
...
728
729
730
731
732
733
734

735
736
737
738
739
740
741
...
805
806
807
808
809
810
811

812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
....
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
....
1523
1524
1525
1526
1527
1528
1529

1530
1531
1532
1533
1534
1535
1536



1537
1538
1539
1540
1541


1542




1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561


1562

1563
1564
1565


1566
1567
1568
1569
1570
1571
1572
1573
....
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
....
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265

#    define SQLITE_ENABLE_LOCKING_STYLE 1
#  else
#    define SQLITE_ENABLE_LOCKING_STYLE 0
#  endif
#endif

/***************************************************************************

** The next block of code, including the PragTyp_XXXX macro definitions and
** the aPragmaName[] object is composed of generated code. DO NOT EDIT.
**


** To add new pragmas, edit the code in ../tool/mkpragmatab.tcl and rerun
** that script.  Then copy/paste the output in place of the following:
*/
#define PragTyp_HEADER_VALUE                   0
#define PragTyp_AUTO_VACUUM                    1
#define PragTyp_FLAG                           2
#define PragTyp_BUSY_TIMEOUT                   3
#define PragTyp_CACHE_SIZE                     4
#define PragTyp_CASE_SENSITIVE_LIKE            5
#define PragTyp_COLLATION_LIST                 6
#define PragTyp_COMPILE_OPTIONS                7
#define PragTyp_DATA_STORE_DIRECTORY           8
#define PragTyp_DATABASE_LIST                  9
#define PragTyp_DEFAULT_CACHE_SIZE            10
#define PragTyp_ENCODING                      11
#define PragTyp_FOREIGN_KEY_CHECK             12
#define PragTyp_FOREIGN_KEY_LIST              13
#define PragTyp_INCREMENTAL_VACUUM            14
#define PragTyp_INDEX_INFO                    15
#define PragTyp_INDEX_LIST                    16
#define PragTyp_INTEGRITY_CHECK               17
#define PragTyp_JOURNAL_MODE                  18
#define PragTyp_JOURNAL_SIZE_LIMIT            19
#define PragTyp_LOCK_PROXY_FILE               20
#define PragTyp_LOCKING_MODE                  21
#define PragTyp_PAGE_COUNT                    22
#define PragTyp_MMAP_SIZE                     23
#define PragTyp_PAGE_SIZE                     24
#define PragTyp_SECURE_DELETE                 25
#define PragTyp_SHRINK_MEMORY                 26
#define PragTyp_SOFT_HEAP_LIMIT               27
#define PragTyp_STATS                         28
#define PragTyp_SYNCHRONOUS                   29
#define PragTyp_TABLE_INFO                    30
#define PragTyp_TEMP_STORE                    31
#define PragTyp_TEMP_STORE_DIRECTORY          32
#define PragTyp_THREADS                       33
#define PragTyp_WAL_AUTOCHECKPOINT            34
#define PragTyp_WAL_CHECKPOINT                35
#define PragTyp_ACTIVATE_EXTENSIONS           36
#define PragTyp_HEXKEY                        37
#define PragTyp_KEY                           38
#define PragTyp_REKEY                         39
#define PragTyp_LOCK_STATUS                   40
#define PragTyp_PARSER_TRACE                  41
#define PragFlag_NeedSchema           0x01
#define PragFlag_ReadOnly             0x02
static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */
  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */
  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
  { /* zName:     */ "activate_extensions",
    /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "application_id",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_APPLICATION_ID },
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "auto_vacuum",
    /* ePragTyp:  */ PragTyp_AUTO_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
  { /* zName:     */ "automatic_index",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_AutoIndex },
#endif
#endif
  { /* zName:     */ "busy_timeout",
    /* ePragTyp:  */ PragTyp_BUSY_TIMEOUT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "cache_size",
    /* ePragTyp:  */ PragTyp_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "cache_spill",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CacheSpill },
#endif
  { /* zName:     */ "case_sensitive_like",
    /* ePragTyp:  */ PragTyp_CASE_SENSITIVE_LIKE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "checkpoint_fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CkptFullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "collation_list",
    /* ePragTyp:  */ PragTyp_COLLATION_LIST,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
  { /* zName:     */ "compile_options",
    /* ePragTyp:  */ PragTyp_COMPILE_OPTIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "count_changes",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CountRows },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
  { /* zName:     */ "data_store_directory",
    /* ePragTyp:  */ PragTyp_DATA_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "data_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ PragFlag_ReadOnly,
    /* iArg:      */ BTREE_DATA_VERSION },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "database_list",
    /* ePragTyp:  */ PragTyp_DATABASE_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  { /* zName:     */ "default_cache_size",
    /* ePragTyp:  */ PragTyp_DEFAULT_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "defer_foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_DeferFKs },
#endif
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "empty_result_callbacks",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_NullCallback },
#endif
#if !defined(SQLITE_OMIT_UTF16)
  { /* zName:     */ "encoding",
    /* ePragTyp:  */ PragTyp_ENCODING,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_key_check",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY)
  { /* zName:     */ "foreign_key_list",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ForeignKeys },
#endif
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "freelist_count",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ PragFlag_ReadOnly,
    /* iArg:      */ BTREE_FREE_PAGE_COUNT },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "full_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullColNames },
  { /* zName:     */ "fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullFSync },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "hexkey",
    /* ePragTyp:  */ PragTyp_HEXKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "hexrekey",
    /* ePragTyp:  */ PragTyp_HEXKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_CHECK)
  { /* zName:     */ "ignore_check_constraints",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_IgnoreChecks },
#endif
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "incremental_vacuum",
    /* ePragTyp:  */ PragTyp_INCREMENTAL_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "index_info",
    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_list",
    /* ePragTyp:  */ PragTyp_INDEX_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "integrity_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "journal_mode",
    /* ePragTyp:  */ PragTyp_JOURNAL_MODE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "journal_size_limit",
    /* ePragTyp:  */ PragTyp_JOURNAL_SIZE_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "key",
    /* ePragTyp:  */ PragTyp_KEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "legacy_file_format",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_LegacyFileFmt },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
  { /* zName:     */ "lock_proxy_file",
    /* ePragTyp:  */ PragTyp_LOCK_PROXY_FILE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
  { /* zName:     */ "lock_status",
    /* ePragTyp:  */ PragTyp_LOCK_STATUS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "locking_mode",
    /* ePragTyp:  */ PragTyp_LOCKING_MODE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "max_page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "mmap_size",
    /* ePragTyp:  */ PragTyp_MMAP_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_size",
    /* ePragTyp:  */ PragTyp_PAGE_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "parser_trace",
    /* ePragTyp:  */ PragTyp_PARSER_TRACE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "query_only",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_QueryOnly },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "quick_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "read_uncommitted",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReadUncommitted },
  { /* zName:     */ "recursive_triggers",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_RecTriggers },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "rekey",
    /* ePragTyp:  */ PragTyp_REKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "reverse_unordered_selects",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReverseOrder },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "schema_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_SCHEMA_VERSION },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "secure_delete",
    /* ePragTyp:  */ PragTyp_SECURE_DELETE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "short_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ShortColNames },
#endif
  { /* zName:     */ "shrink_memory",
    /* ePragTyp:  */ PragTyp_SHRINK_MEMORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "soft_heap_limit",
    /* ePragTyp:  */ PragTyp_SOFT_HEAP_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "sql_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace },
#endif
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "stats",
    /* ePragTyp:  */ PragTyp_STATS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "synchronous",
    /* ePragTyp:  */ PragTyp_SYNCHRONOUS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "table_info",
    /* ePragTyp:  */ PragTyp_TABLE_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "temp_store",
    /* ePragTyp:  */ PragTyp_TEMP_STORE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "temp_store_directory",
    /* ePragTyp:  */ PragTyp_TEMP_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "threads",
    /* ePragTyp:  */ PragTyp_THREADS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "user_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_USER_VERSION },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "vdbe_addoptrace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeAddopTrace },
  { /* zName:     */ "vdbe_debug",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
  { /* zName:     */ "vdbe_eqp",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeEQP },
  { /* zName:     */ "vdbe_listing",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeListing },
  { /* zName:     */ "vdbe_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeTrace },
#endif
#endif
#if !defined(SQLITE_OMIT_WAL)
  { /* zName:     */ "wal_autocheckpoint",
    /* ePragTyp:  */ PragTyp_WAL_AUTOCHECKPOINT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "wal_checkpoint",
    /* ePragTyp:  */ PragTyp_WAL_CHECKPOINT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
#endif
};
/* Number of pragmas: 58 on by default, 71 total. */
/* End of the automatically generated pragma table.
***************************************************************************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
** if the omitFull parameter it 1.
**
................................................................................
  char *aFcntl[4];       /* Argument to SQLITE_FCNTL_PRAGMA */
  int iDb;               /* Database index for <database> */
  int lwr, upr, mid = 0;       /* Binary search bounds */
  int rc;                      /* return value form SQLITE_FCNTL_PRAGMA */
  sqlite3 *db = pParse->db;    /* The database connection */
  Db *pDb;                     /* The specific database being pragmaed */
  Vdbe *v = sqlite3GetVdbe(pParse);  /* Prepared statement */


  if( v==0 ) return;
  sqlite3VdbeRunOnlyOnce(v);
  pParse->nMem = 2;

  /* Interpret the [database.] part of the pragma statement. iDb is the
  ** index of the database this pragma is being applied to in db.aDb[]. */
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;


  /* Make sure the database schema is loaded if the pragma requires that */
  if( (aPragmaNames[mid].mPragFlag & PragFlag_NeedSchema)!=0 ){
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
  }

  /* Jump to the appropriate pragma handler */
  switch( aPragmaNames[mid].ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
  **  PRAGMA [database.]default_cache_size=N
  **
  ** The first form reports the current persistent setting for the
................................................................................
    break;
  }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  case PragTyp_FLAG: {
    if( zRight==0 ){
      returnSingleInt(pParse, aPragmaNames[mid].zName,
                     (db->flags & aPragmaNames[mid].iArg)!=0 );
    }else{
      int mask = aPragmaNames[mid].iArg;    /* Mask of bits to set or clear. */
      if( db->autoCommit==0 ){
        /* Foreign key support may not be enabled or disabled while not
        ** in auto-commit mode.  */
        mask &= ~(SQLITE_ForeignKeys);
      }
#if SQLITE_USER_AUTHENTICATION
      if( db->auth.authLevel==UAUTH_User ){
................................................................................

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;

      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);



      for(i=0; i<pIdx->nKeyCol; i++){
        i16 cnum = pIdx->aiColumn[i];
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2);
        assert( pTab->nCol>cnum );


        sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);




        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 3);
      pParse->nMem = 3;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);


      for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){

        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, IsUniqueIndex(pIdx), 3);


        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;
................................................................................
  ** the schema-version is potentially dangerous and may lead to program
  ** crashes or database corruption. Use with caution!
  **
  ** The user-version is not used internally by SQLite. It may be used by
  ** applications for any purpose.
  */
  case PragTyp_HEADER_VALUE: {
    int iCookie = aPragmaNames[mid].iArg;  /* Which cookie to read or write */
    sqlite3VdbeUsesBtree(v, iDb);
    if( zRight && (aPragmaNames[mid].mPragFlag & PragFlag_ReadOnly)==0 ){
      /* Write the specified cookie value */
      static const VdbeOpList setCookie[] = {
        { OP_Transaction,    0,  1,  0},    /* 0 */
        { OP_Integer,        0,  1,  0},    /* 1 */
        { OP_SetCookie,      0,  0,  1},    /* 2 */
      };
      int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie, 0);
................................................................................
  **
  ** Call sqlite3_busy_timeout(db, N).  Return the current timeout value
  ** if one is set.  If no busy handler or a different busy handler is set
  ** then 0 is returned.  Setting the busy_timeout to 0 or negative
  ** disables the timeout.
  */
  /*case PragTyp_BUSY_TIMEOUT*/ default: {
    assert( aPragmaNames[mid].ePragTyp==PragTyp_BUSY_TIMEOUT );
    if( zRight ){
      sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
    }
    returnSingleInt(pParse, "timeout",  db->busyTimeout);
    break;
  }









>
|
<
|
>
>
|
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







>







 







>


|




|







 







|
<

|







 







>

|
|




>
>
>
|



|
>
>
|
>
>
>
>
|












|
|




>
>

>



>
>
|







 







|

|







 







|








18
19
20
21
22
23
24
25
26

27
28
29
30


31



































































































































































































































































































































































































































































32
33
34
35
36
37
38
...
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
...
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
...
942
943
944
945
946
947
948
949

950
951
952
953
954
955
956
957
958
....
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
....
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
....
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830

#    define SQLITE_ENABLE_LOCKING_STYLE 1
#  else
#    define SQLITE_ENABLE_LOCKING_STYLE 0
#  endif
#endif

/***************************************************************************
** The "pragma.h" include file is an automatically generated file that
** that includes the PragType_XXXX macro definitions and the aPragmaName[]

** object.  This ensures that the aPragmaName[] table is arranged in
** lexicographical order to facility a binary search of the pragma name.
** Do not edit pragma.h directly.  Edit and rerun the script in at 
** ../tool/mkpragmatab.tcl. */


#include "pragma.h"




































































































































































































































































































































































































































































/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL and 2 for FULL.  Return 1 for an empty or 
** unrecognized string argument.  The FULL option is disallowed
** if the omitFull parameter it 1.
**
................................................................................
  char *aFcntl[4];       /* Argument to SQLITE_FCNTL_PRAGMA */
  int iDb;               /* Database index for <database> */
  int lwr, upr, mid = 0;       /* Binary search bounds */
  int rc;                      /* return value form SQLITE_FCNTL_PRAGMA */
  sqlite3 *db = pParse->db;    /* The database connection */
  Db *pDb;                     /* The specific database being pragmaed */
  Vdbe *v = sqlite3GetVdbe(pParse);  /* Prepared statement */
  const struct sPragmaNames *pPragma;

  if( v==0 ) return;
  sqlite3VdbeRunOnlyOnce(v);
  pParse->nMem = 2;

  /* Interpret the [database.] part of the pragma statement. iDb is the
  ** index of the database this pragma is being applied to in db.aDb[]. */
................................................................................
    if( rc<0 ){
      upr = mid - 1;
    }else{
      lwr = mid + 1;
    }
  }
  if( lwr>upr ) goto pragma_out;
  pPragma = &aPragmaNames[mid];

  /* Make sure the database schema is loaded if the pragma requires that */
  if( (pPragma->mPragFlag & PragFlag_NeedSchema)!=0 ){
    if( sqlite3ReadSchema(pParse) ) goto pragma_out;
  }

  /* Jump to the appropriate pragma handler */
  switch( pPragma->ePragTyp ){
  
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  /*
  **  PRAGMA [database.]default_cache_size
  **  PRAGMA [database.]default_cache_size=N
  **
  ** The first form reports the current persistent setting for the
................................................................................
    break;
  }
#endif /* SQLITE_OMIT_PAGER_PRAGMAS */

#ifndef SQLITE_OMIT_FLAG_PRAGMAS
  case PragTyp_FLAG: {
    if( zRight==0 ){
      returnSingleInt(pParse, pPragma->zName, (db->flags & pPragma->iArg)!=0 );

    }else{
      int mask = pPragma->iArg;    /* Mask of bits to set or clear. */
      if( db->autoCommit==0 ){
        /* Foreign key support may not be enabled or disabled while not
        ** in auto-commit mode.  */
        mask &= ~(SQLITE_ForeignKeys);
      }
#if SQLITE_USER_AUTHENTICATION
      if( db->auth.authLevel==UAUTH_User ){
................................................................................

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      int mx = pPragma->iArg ? pIdx->nColumn : pIdx->nKeyCol;
      pTab = pIdx->pTable;
      sqlite3VdbeSetNumCols(v, 6);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seqno", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "cid", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "desc", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "coll", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "key", SQLITE_STATIC);
      for(i=0; i<mx; i++){
        i16 cnum = pIdx->aiColumn[i];
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp2(v, OP_Integer, cnum, 2);
        if( cnum<0 ){
          sqlite3VdbeAddOp2(v, OP_Null, 0, 3);
        }else{
          sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);
        }
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->aSortOrder[i], 4);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 5, 0, pIdx->azColl[i], 0);
        sqlite3VdbeAddOp2(v, OP_Integer, i<pIdx->nKeyCol, 6);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
  break;

  case PragTyp_INDEX_LIST: if( zRight ){
    Index *pIdx;
    Table *pTab;
    int i;
    pTab = sqlite3FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite3GetVdbe(pParse);
      sqlite3VdbeSetNumCols(v, 5);
      pParse->nMem = 5;
      sqlite3CodeVerifySchema(pParse, iDb);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "unique", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "origin", SQLITE_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "partial", SQLITE_STATIC);
      for(pIdx=pTab->pIndex, i=0; pIdx; pIdx=pIdx->pNext, i++){
        const char *azOrigin[] = { "c", "u", "pk" };
        sqlite3VdbeAddOp2(v, OP_Integer, i, 1);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, pIdx->zName, 0);
        sqlite3VdbeAddOp2(v, OP_Integer, IsUniqueIndex(pIdx), 3);
        sqlite3VdbeAddOp4(v, OP_String8, 0, 4, 0, azOrigin[pIdx->idxType], 0);
        sqlite3VdbeAddOp2(v, OP_Integer, pIdx->pPartIdxWhere!=0, 5);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 5);
      }
    }
  }
  break;

  case PragTyp_DATABASE_LIST: {
    int i;
................................................................................
  ** the schema-version is potentially dangerous and may lead to program
  ** crashes or database corruption. Use with caution!
  **
  ** The user-version is not used internally by SQLite. It may be used by
  ** applications for any purpose.
  */
  case PragTyp_HEADER_VALUE: {
    int iCookie = pPragma->iArg;  /* Which cookie to read or write */
    sqlite3VdbeUsesBtree(v, iDb);
    if( zRight && (pPragma->mPragFlag & PragFlag_ReadOnly)==0 ){
      /* Write the specified cookie value */
      static const VdbeOpList setCookie[] = {
        { OP_Transaction,    0,  1,  0},    /* 0 */
        { OP_Integer,        0,  1,  0},    /* 1 */
        { OP_SetCookie,      0,  0,  1},    /* 2 */
      };
      int addr = sqlite3VdbeAddOpList(v, ArraySize(setCookie), setCookie, 0);
................................................................................
  **
  ** Call sqlite3_busy_timeout(db, N).  Return the current timeout value
  ** if one is set.  If no busy handler or a different busy handler is set
  ** then 0 is returned.  Setting the busy_timeout to 0 or negative
  ** disables the timeout.
  */
  /*case PragTyp_BUSY_TIMEOUT*/ default: {
    assert( pPragma->ePragTyp==PragTyp_BUSY_TIMEOUT );
    if( zRight ){
      sqlite3_busy_timeout(db, sqlite3Atoi(zRight));
    }
    returnSingleInt(pParse, "timeout",  db->busyTimeout);
    break;
  }

Added src/pragma.h. 

























































































































































































































































































































































































































































































































































































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459

/* DO NOT EDIT!
** This file is automatically generated by the script at
** ../tool/mkpragmatab.tcl.  To update the set of pragmas, edit
** that script and rerun it.
*/
#define PragTyp_HEADER_VALUE                   0
#define PragTyp_AUTO_VACUUM                    1
#define PragTyp_FLAG                           2
#define PragTyp_BUSY_TIMEOUT                   3
#define PragTyp_CACHE_SIZE                     4
#define PragTyp_CASE_SENSITIVE_LIKE            5
#define PragTyp_COLLATION_LIST                 6
#define PragTyp_COMPILE_OPTIONS                7
#define PragTyp_DATA_STORE_DIRECTORY           8
#define PragTyp_DATABASE_LIST                  9
#define PragTyp_DEFAULT_CACHE_SIZE            10
#define PragTyp_ENCODING                      11
#define PragTyp_FOREIGN_KEY_CHECK             12
#define PragTyp_FOREIGN_KEY_LIST              13
#define PragTyp_INCREMENTAL_VACUUM            14
#define PragTyp_INDEX_INFO                    15
#define PragTyp_INDEX_LIST                    16
#define PragTyp_INTEGRITY_CHECK               17
#define PragTyp_JOURNAL_MODE                  18
#define PragTyp_JOURNAL_SIZE_LIMIT            19
#define PragTyp_LOCK_PROXY_FILE               20
#define PragTyp_LOCKING_MODE                  21
#define PragTyp_PAGE_COUNT                    22
#define PragTyp_MMAP_SIZE                     23
#define PragTyp_PAGE_SIZE                     24
#define PragTyp_SECURE_DELETE                 25
#define PragTyp_SHRINK_MEMORY                 26
#define PragTyp_SOFT_HEAP_LIMIT               27
#define PragTyp_STATS                         28
#define PragTyp_SYNCHRONOUS                   29
#define PragTyp_TABLE_INFO                    30
#define PragTyp_TEMP_STORE                    31
#define PragTyp_TEMP_STORE_DIRECTORY          32
#define PragTyp_THREADS                       33
#define PragTyp_WAL_AUTOCHECKPOINT            34
#define PragTyp_WAL_CHECKPOINT                35
#define PragTyp_ACTIVATE_EXTENSIONS           36
#define PragTyp_HEXKEY                        37
#define PragTyp_KEY                           38
#define PragTyp_REKEY                         39
#define PragTyp_LOCK_STATUS                   40
#define PragTyp_PARSER_TRACE                  41
#define PragFlag_NeedSchema           0x01
#define PragFlag_ReadOnly             0x02
static const struct sPragmaNames {
  const char *const zName;  /* Name of pragma */
  u8 ePragTyp;              /* PragTyp_XXX value */
  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */
  u32 iArg;                 /* Extra argument */
} aPragmaNames[] = {
#if defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)
  { /* zName:     */ "activate_extensions",
    /* ePragTyp:  */ PragTyp_ACTIVATE_EXTENSIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "application_id",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_APPLICATION_ID },
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "auto_vacuum",
    /* ePragTyp:  */ PragTyp_AUTO_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_AUTOMATIC_INDEX)
  { /* zName:     */ "automatic_index",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_AutoIndex },
#endif
#endif
  { /* zName:     */ "busy_timeout",
    /* ePragTyp:  */ PragTyp_BUSY_TIMEOUT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "cache_size",
    /* ePragTyp:  */ PragTyp_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "cache_spill",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CacheSpill },
#endif
  { /* zName:     */ "case_sensitive_like",
    /* ePragTyp:  */ PragTyp_CASE_SENSITIVE_LIKE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "checkpoint_fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CkptFullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "collation_list",
    /* ePragTyp:  */ PragTyp_COLLATION_LIST,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_COMPILEOPTION_DIAGS)
  { /* zName:     */ "compile_options",
    /* ePragTyp:  */ PragTyp_COMPILE_OPTIONS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "count_changes",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_CountRows },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_OS_WIN
  { /* zName:     */ "data_store_directory",
    /* ePragTyp:  */ PragTyp_DATA_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "data_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ PragFlag_ReadOnly,
    /* iArg:      */ BTREE_DATA_VERSION },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "database_list",
    /* ePragTyp:  */ PragTyp_DATABASE_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && !defined(SQLITE_OMIT_DEPRECATED)
  { /* zName:     */ "default_cache_size",
    /* ePragTyp:  */ PragTyp_DEFAULT_CACHE_SIZE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "defer_foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_DeferFKs },
#endif
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "empty_result_callbacks",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_NullCallback },
#endif
#if !defined(SQLITE_OMIT_UTF16)
  { /* zName:     */ "encoding",
    /* ePragTyp:  */ PragTyp_ENCODING,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_key_check",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FOREIGN_KEY)
  { /* zName:     */ "foreign_key_list",
    /* ePragTyp:  */ PragTyp_FOREIGN_KEY_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
  { /* zName:     */ "foreign_keys",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ForeignKeys },
#endif
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "freelist_count",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ PragFlag_ReadOnly,
    /* iArg:      */ BTREE_FREE_PAGE_COUNT },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "full_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullColNames },
  { /* zName:     */ "fullfsync",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_FullFSync },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "hexkey",
    /* ePragTyp:  */ PragTyp_HEXKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "hexrekey",
    /* ePragTyp:  */ PragTyp_HEXKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if !defined(SQLITE_OMIT_CHECK)
  { /* zName:     */ "ignore_check_constraints",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_IgnoreChecks },
#endif
#endif
#if !defined(SQLITE_OMIT_AUTOVACUUM)
  { /* zName:     */ "incremental_vacuum",
    /* ePragTyp:  */ PragTyp_INCREMENTAL_VACUUM,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "index_info",
    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_list",
    /* ePragTyp:  */ PragTyp_INDEX_LIST,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "index_xinfo",
    /* ePragTyp:  */ PragTyp_INDEX_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 1 },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "integrity_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "journal_mode",
    /* ePragTyp:  */ PragTyp_JOURNAL_MODE,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "journal_size_limit",
    /* ePragTyp:  */ PragTyp_JOURNAL_SIZE_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "key",
    /* ePragTyp:  */ PragTyp_KEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "legacy_file_format",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_LegacyFileFmt },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS) && SQLITE_ENABLE_LOCKING_STYLE
  { /* zName:     */ "lock_proxy_file",
    /* ePragTyp:  */ PragTyp_LOCK_PROXY_FILE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
  { /* zName:     */ "lock_status",
    /* ePragTyp:  */ PragTyp_LOCK_STATUS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "locking_mode",
    /* ePragTyp:  */ PragTyp_LOCKING_MODE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "max_page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "mmap_size",
    /* ePragTyp:  */ PragTyp_MMAP_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_count",
    /* ePragTyp:  */ PragTyp_PAGE_COUNT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
  { /* zName:     */ "page_size",
    /* ePragTyp:  */ PragTyp_PAGE_SIZE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "parser_trace",
    /* ePragTyp:  */ PragTyp_PARSER_TRACE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "query_only",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_QueryOnly },
#endif
#if !defined(SQLITE_OMIT_INTEGRITY_CHECK)
  { /* zName:     */ "quick_check",
    /* ePragTyp:  */ PragTyp_INTEGRITY_CHECK,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "read_uncommitted",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReadUncommitted },
  { /* zName:     */ "recursive_triggers",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_RecTriggers },
#endif
#if defined(SQLITE_HAS_CODEC)
  { /* zName:     */ "rekey",
    /* ePragTyp:  */ PragTyp_REKEY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "reverse_unordered_selects",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ReverseOrder },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "schema_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_SCHEMA_VERSION },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "secure_delete",
    /* ePragTyp:  */ PragTyp_SECURE_DELETE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "short_column_names",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_ShortColNames },
#endif
  { /* zName:     */ "shrink_memory",
    /* ePragTyp:  */ PragTyp_SHRINK_MEMORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "soft_heap_limit",
    /* ePragTyp:  */ PragTyp_SOFT_HEAP_LIMIT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "sql_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace },
#endif
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "stats",
    /* ePragTyp:  */ PragTyp_STATS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "synchronous",
    /* ePragTyp:  */ PragTyp_SYNCHRONOUS,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
  { /* zName:     */ "table_info",
    /* ePragTyp:  */ PragTyp_TABLE_INFO,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_PAGER_PRAGMAS)
  { /* zName:     */ "temp_store",
    /* ePragTyp:  */ PragTyp_TEMP_STORE,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "temp_store_directory",
    /* ePragTyp:  */ PragTyp_TEMP_STORE_DIRECTORY,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#endif
  { /* zName:     */ "threads",
    /* ePragTyp:  */ PragTyp_THREADS,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
#if !defined(SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS)
  { /* zName:     */ "user_version",
    /* ePragTyp:  */ PragTyp_HEADER_VALUE,
    /* ePragFlag: */ 0,
    /* iArg:      */ BTREE_USER_VERSION },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
#if defined(SQLITE_DEBUG)
  { /* zName:     */ "vdbe_addoptrace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeAddopTrace },
  { /* zName:     */ "vdbe_debug",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_SqlTrace|SQLITE_VdbeListing|SQLITE_VdbeTrace },
  { /* zName:     */ "vdbe_eqp",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeEQP },
  { /* zName:     */ "vdbe_listing",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeListing },
  { /* zName:     */ "vdbe_trace",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_VdbeTrace },
#endif
#endif
#if !defined(SQLITE_OMIT_WAL)
  { /* zName:     */ "wal_autocheckpoint",
    /* ePragTyp:  */ PragTyp_WAL_AUTOCHECKPOINT,
    /* ePragFlag: */ 0,
    /* iArg:      */ 0 },
  { /* zName:     */ "wal_checkpoint",
    /* ePragTyp:  */ PragTyp_WAL_CHECKPOINT,
    /* ePragFlag: */ PragFlag_NeedSchema,
    /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
  { /* zName:     */ "writable_schema",
    /* ePragTyp:  */ PragTyp_FLAG,
    /* ePragFlag: */ 0,
    /* iArg:      */ SQLITE_WriteSchema|SQLITE_RecoveryMode },
#endif
};
/* Number of pragmas: 59 on by default, 72 total. */

Changes to src/printf.c. 

208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
...
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012

  double rounder;            /* Used for rounding floating point values */
  etByte flag_dp;            /* True if decimal point should be shown */
  etByte flag_rtz;           /* True if trailing zeros should be removed */
#endif
  PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */
  char buf[etBUFSIZE];       /* Conversion buffer */

#ifdef SQLITE_ENABLE_API_ARMOR
  if( ap==0 ){
    (void)SQLITE_MISUSE_BKPT;
    sqlite3StrAccumReset(pAccum);
    return;
  }
#endif
  bufpt = 0;
  if( bFlags ){
    if( (bArgList = (bFlags & SQLITE_PRINTF_SQLFUNC))!=0 ){
      pArgList = va_arg(ap, PrintfArguments*);
    }
    useIntern = bFlags & SQLITE_PRINTF_INTERNAL;
  }else{
................................................................................
*/
char *sqlite3_vsnprintf(int n, char *zBuf, const char *zFormat, va_list ap){
  StrAccum acc;
  if( n<=0 ) return zBuf;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( zBuf==0 || zFormat==0 ) {
    (void)SQLITE_MISUSE_BKPT;
    if( zBuf && n>0 ) zBuf[0] = 0;
    return zBuf;
  }
#endif
  sqlite3StrAccumInit(&acc, zBuf, n, 0);
  acc.useMalloc = 0;
  sqlite3VXPrintf(&acc, 0, zFormat, ap);
  return sqlite3StrAccumFinish(&acc);








<
<
<
<
<
<
<







 







|








208
209
210
211
212
213
214







215
216
217
218
219
220
221
...
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005

  double rounder;            /* Used for rounding floating point values */
  etByte flag_dp;            /* True if decimal point should be shown */
  etByte flag_rtz;           /* True if trailing zeros should be removed */
#endif
  PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */
  char buf[etBUFSIZE];       /* Conversion buffer */








  bufpt = 0;
  if( bFlags ){
    if( (bArgList = (bFlags & SQLITE_PRINTF_SQLFUNC))!=0 ){
      pArgList = va_arg(ap, PrintfArguments*);
    }
    useIntern = bFlags & SQLITE_PRINTF_INTERNAL;
  }else{
................................................................................
*/
char *sqlite3_vsnprintf(int n, char *zBuf, const char *zFormat, va_list ap){
  StrAccum acc;
  if( n<=0 ) return zBuf;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( zBuf==0 || zFormat==0 ) {
    (void)SQLITE_MISUSE_BKPT;
    if( zBuf ) zBuf[0] = 0;
    return zBuf;
  }
#endif
  sqlite3StrAccumInit(&acc, zBuf, n, 0);
  acc.useMalloc = 0;
  sqlite3VXPrintf(&acc, 0, zFormat, ap);
  return sqlite3StrAccumFinish(&acc);

Changes to src/resolve.c. 

243
244
245
246
247
248
249
250
251
252

253
254
255
256
257
258
259
...
316
317
318
319
320
321
322

323
324
325
326
327
328
329
330
...
637
638
639
640
641
642
643
644

645
646
647
648
649
650
651
...
702
703
704
705
706
707
708

709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
...
731
732
733
734
735
736
737
738


739
740
741
742
743
744
745
....
1042
1043
1044
1045
1046
1047
1048
1049

1050
1051
1052
1053
1054
1055
1056

  ** schema.  If not found, pSchema will remain NULL and nothing will match
  ** resulting in an appropriate error message toward the end of this routine
  */
  if( zDb ){
    testcase( pNC->ncFlags & NC_PartIdx );
    testcase( pNC->ncFlags & NC_IsCheck );
    if( (pNC->ncFlags & (NC_PartIdx|NC_IsCheck))!=0 ){
      /* Silently ignore database qualifiers inside CHECK constraints and partial
      ** indices.  Do not raise errors because that might break legacy and
      ** because it does not hurt anything to just ignore the database name. */

      zDb = 0;
    }else{
      for(i=0; i<db->nDb; i++){
        assert( db->aDb[i].zName );
        if( sqlite3StrICmp(db->aDb[i].zName,zDb)==0 ){
          pSchema = db->aDb[i].pSchema;
          break;
................................................................................
            break;
          }
        }
      }
      if( pMatch ){
        pExpr->iTable = pMatch->iCursor;
        pExpr->pTab = pMatch->pTab;

        assert( (pMatch->jointype & JT_RIGHT)==0 ); /* RIGHT JOIN not (yet) supported */
        if( (pMatch->jointype & JT_LEFT)!=0 ){
          ExprSetProperty(pExpr, EP_CanBeNull);
        }
        pSchema = pExpr->pTab->pSchema;
      }
    } /* if( pSrcList ) */

................................................................................
      pExpr->op = TK_COLUMN;
      pExpr->pTab = pItem->pTab;
      pExpr->iTable = pItem->iCursor;
      pExpr->iColumn = -1;
      pExpr->affinity = SQLITE_AFF_INTEGER;
      break;
    }
#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY) */


    /* A lone identifier is the name of a column.
    */
    case TK_ID: {
      return lookupName(pParse, 0, 0, pExpr->u.zToken, pNC, pExpr);
    }
  
................................................................................
      }else{
        is_agg = pDef->xFunc==0;
        if( pDef->funcFlags & SQLITE_FUNC_UNLIKELY ){
          ExprSetProperty(pExpr, EP_Unlikely|EP_Skip);
          if( n==2 ){
            pExpr->iTable = exprProbability(pList->a[1].pExpr);
            if( pExpr->iTable<0 ){

              sqlite3ErrorMsg(pParse, "second argument to likelihood() must be a "
                                      "constant between 0.0 and 1.0");
              pNC->nErr++;
            }
          }else{
            /* EVIDENCE-OF: R-61304-29449 The unlikely(X) function is equivalent to
            ** likelihood(X, 0.0625).
            ** EVIDENCE-OF: R-01283-11636 The unlikely(X) function is short-hand for
            ** likelihood(X,0.0625).
            ** EVIDENCE-OF: R-36850-34127 The likely(X) function is short-hand for
            ** likelihood(X,0.9375).
            ** EVIDENCE-OF: R-53436-40973 The likely(X) function is equivalent to
            ** likelihood(X,0.9375). */
            /* TUNING: unlikely() probability is 0.0625.  likely() is 0.9375 */
            pExpr->iTable = pDef->zName[0]=='u' ? 8388608 : 125829120;
          }             
        }
#ifndef SQLITE_OMIT_AUTHORIZATION
        auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0, pDef->zName, 0);
        if( auth!=SQLITE_OK ){
................................................................................
                                    pDef->zName);
            pNC->nErr++;
          }
          pExpr->op = TK_NULL;
          return WRC_Prune;
        }
#endif
        if( pDef->funcFlags & SQLITE_FUNC_CONSTANT ) ExprSetProperty(pExpr,EP_Constant);


      }
      if( is_agg && (pNC->ncFlags & NC_AllowAgg)==0 ){
        sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
        pNC->nErr++;
        is_agg = 0;
      }else if( no_such_func && pParse->db->init.busy==0 ){
        sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
................................................................................
  assert( pEList!=0 );  /* sqlite3SelectNew() guarantees this */
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    if( pItem->u.x.iOrderByCol ){
      if( pItem->u.x.iOrderByCol>pEList->nExpr ){
        resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
        return 1;
      }
      resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr, zType,0);

    }
  }
  return 0;
}

/*
** pOrderBy is an ORDER BY or GROUP BY clause in SELECT statement pSelect.








|
|
|
>







 







>
|







 







|
>







 







>
|
|



|
|
|
|
|
|
|
|







 







|
>
>







 







|
>








243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
...
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
...
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
...
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
...
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
....
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063

  ** schema.  If not found, pSchema will remain NULL and nothing will match
  ** resulting in an appropriate error message toward the end of this routine
  */
  if( zDb ){
    testcase( pNC->ncFlags & NC_PartIdx );
    testcase( pNC->ncFlags & NC_IsCheck );
    if( (pNC->ncFlags & (NC_PartIdx|NC_IsCheck))!=0 ){
      /* Silently ignore database qualifiers inside CHECK constraints and
      ** partial indices.  Do not raise errors because that might break
      ** legacy and because it does not hurt anything to just ignore the
      ** database name. */
      zDb = 0;
    }else{
      for(i=0; i<db->nDb; i++){
        assert( db->aDb[i].zName );
        if( sqlite3StrICmp(db->aDb[i].zName,zDb)==0 ){
          pSchema = db->aDb[i].pSchema;
          break;
................................................................................
            break;
          }
        }
      }
      if( pMatch ){
        pExpr->iTable = pMatch->iCursor;
        pExpr->pTab = pMatch->pTab;
        /* RIGHT JOIN not (yet) supported */
        assert( (pMatch->jointype & JT_RIGHT)==0 );
        if( (pMatch->jointype & JT_LEFT)!=0 ){
          ExprSetProperty(pExpr, EP_CanBeNull);
        }
        pSchema = pExpr->pTab->pSchema;
      }
    } /* if( pSrcList ) */

................................................................................
      pExpr->op = TK_COLUMN;
      pExpr->pTab = pItem->pTab;
      pExpr->iTable = pItem->iCursor;
      pExpr->iColumn = -1;
      pExpr->affinity = SQLITE_AFF_INTEGER;
      break;
    }
#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT)
          && !defined(SQLITE_OMIT_SUBQUERY) */

    /* A lone identifier is the name of a column.
    */
    case TK_ID: {
      return lookupName(pParse, 0, 0, pExpr->u.zToken, pNC, pExpr);
    }
  
................................................................................
      }else{
        is_agg = pDef->xFunc==0;
        if( pDef->funcFlags & SQLITE_FUNC_UNLIKELY ){
          ExprSetProperty(pExpr, EP_Unlikely|EP_Skip);
          if( n==2 ){
            pExpr->iTable = exprProbability(pList->a[1].pExpr);
            if( pExpr->iTable<0 ){
              sqlite3ErrorMsg(pParse,
                "second argument to likelihood() must be a "
                "constant between 0.0 and 1.0");
              pNC->nErr++;
            }
          }else{
            /* EVIDENCE-OF: R-61304-29449 The unlikely(X) function is
            ** equivalent to likelihood(X, 0.0625).
            ** EVIDENCE-OF: R-01283-11636 The unlikely(X) function is
            ** short-hand for likelihood(X,0.0625).
            ** EVIDENCE-OF: R-36850-34127 The likely(X) function is short-hand
            ** for likelihood(X,0.9375).
            ** EVIDENCE-OF: R-53436-40973 The likely(X) function is equivalent
            ** to likelihood(X,0.9375). */
            /* TUNING: unlikely() probability is 0.0625.  likely() is 0.9375 */
            pExpr->iTable = pDef->zName[0]=='u' ? 8388608 : 125829120;
          }             
        }
#ifndef SQLITE_OMIT_AUTHORIZATION
        auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0, pDef->zName, 0);
        if( auth!=SQLITE_OK ){
................................................................................
                                    pDef->zName);
            pNC->nErr++;
          }
          pExpr->op = TK_NULL;
          return WRC_Prune;
        }
#endif
        if( pDef->funcFlags & SQLITE_FUNC_CONSTANT ){
          ExprSetProperty(pExpr,EP_ConstFunc);
        }
      }
      if( is_agg && (pNC->ncFlags & NC_AllowAgg)==0 ){
        sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
        pNC->nErr++;
        is_agg = 0;
      }else if( no_such_func && pParse->db->init.busy==0 ){
        sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
................................................................................
  assert( pEList!=0 );  /* sqlite3SelectNew() guarantees this */
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    if( pItem->u.x.iOrderByCol ){
      if( pItem->u.x.iOrderByCol>pEList->nExpr ){
        resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
        return 1;
      }
      resolveAlias(pParse, pEList, pItem->u.x.iOrderByCol-1, pItem->pExpr,
                   zType,0);
    }
  }
  return 0;
}

/*
** pOrderBy is an ORDER BY or GROUP BY clause in SELECT statement pSelect.

Changes to src/select.c. 

539
540
541
542
543
544
545

546

547
548
549
550
551
552
553
....
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
....
3188
3189
3190
3191
3192
3193
3194
3195



3196
3197
3198
3199
3200
3201
3202
....
3325
3326
3327
3328
3329
3330
3331

3332
3333








3334
3335
3336
3337
3338
3339
3340
....
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
....
4746
4747
4748
4749
4750
4751
4752







4753
4754
4755
4756
4757
4758
4759
....
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
....
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
....
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507

    sqlite3VdbeAddOp3(v, OP_Compare, regPrevKey, regBase, pSort->nOBSat);
    pOp = sqlite3VdbeGetOp(v, pSort->addrSortIndex);
    if( pParse->db->mallocFailed ) return;
    pOp->p2 = nKey + nData;
    pKI = pOp->p4.pKeyInfo;
    memset(pKI->aSortOrder, 0, pKI->nField); /* Makes OP_Jump below testable */
    sqlite3VdbeChangeP4(v, -1, (char*)pKI, P4_KEYINFO);

    pOp->p4.pKeyInfo = keyInfoFromExprList(pParse, pSort->pOrderBy, nOBSat, 1);

    addrJmp = sqlite3VdbeCurrentAddr(v);
    sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v);
    pSort->labelBkOut = sqlite3VdbeMakeLabel(v);
    pSort->regReturn = ++pParse->nMem;
    sqlite3VdbeAddOp2(v, OP_Gosub, pSort->regReturn, pSort->labelBkOut);
    sqlite3VdbeAddOp1(v, OP_ResetSorter, pSort->iECursor);
    sqlite3VdbeJumpHere(v, addrFirst);
................................................................................
  int nExpr;
  KeyInfo *pInfo;
  struct ExprList_item *pItem;
  sqlite3 *db = pParse->db;
  int i;

  nExpr = pList->nExpr;
  pInfo = sqlite3KeyInfoAlloc(db, nExpr+nExtra-iStart, 1);
  if( pInfo ){
    assert( sqlite3KeyInfoIsWriteable(pInfo) );
    for(i=iStart, pItem=pList->a+iStart; i<nExpr; i++, pItem++){
      CollSeq *pColl;
      pColl = sqlite3ExprCollSeq(pParse, pItem->pExpr);
      if( !pColl ) pColl = db->pDfltColl;
      pInfo->aColl[i-iStart] = pColl;
................................................................................
** exist on the table t1, a complete scan of the data might be
** avoided.
**
** Flattening is only attempted if all of the following are true:
**
**   (1)  The subquery and the outer query do not both use aggregates.
**
**   (2)  The subquery is not an aggregate or the outer query is not a join.



**
**   (3)  The subquery is not the right operand of a left outer join
**        (Originally ticket #306.  Strengthened by ticket #3300)
**
**   (4)  The subquery is not DISTINCT.
**
**  (**)  At one point restrictions (4) and (5) defined a subset of DISTINCT
................................................................................
  if( OptimizationDisabled(db, SQLITE_QueryFlattener) ) return 0;
  pSrc = p->pSrc;
  assert( pSrc && iFrom>=0 && iFrom<pSrc->nSrc );
  pSubitem = &pSrc->a[iFrom];
  iParent = pSubitem->iCursor;
  pSub = pSubitem->pSelect;
  assert( pSub!=0 );

  if( isAgg && subqueryIsAgg ) return 0;                 /* Restriction (1)  */
  if( subqueryIsAgg && pSrc->nSrc>1 ) return 0;          /* Restriction (2)  */








  pSubSrc = pSub->pSrc;
  assert( pSubSrc );
  /* Prior to version 3.1.2, when LIMIT and OFFSET had to be simple constants,
  ** not arbitrary expressions, we allowed some combining of LIMIT and OFFSET
  ** because they could be computed at compile-time.  But when LIMIT and OFFSET
  ** became arbitrary expressions, we were forced to add restrictions (13)
  ** and (14). */
................................................................................
#endif
    if( pFrom->zName==0 ){
#ifndef SQLITE_OMIT_SUBQUERY
      Select *pSel = pFrom->pSelect;
      /* A sub-query in the FROM clause of a SELECT */
      assert( pSel!=0 );
      assert( pFrom->pTab==0 );
      sqlite3WalkSelect(pWalker, pSel);
      pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table));
      if( pTab==0 ) return WRC_Abort;
      pTab->nRef = 1;
      pTab->zName = sqlite3MPrintf(db, "sqlite_sq_%p", (void*)pTab);
      while( pSel->pPrior ){ pSel = pSel->pPrior; }
      selectColumnsFromExprList(pParse, pSel->pEList, &pTab->nCol, &pTab->aCol);
      pTab->iPKey = -1;
................................................................................
  pTabList = p->pSrc;
  pEList = p->pEList;
  if( pParse->nErr || db->mallocFailed ){
    goto select_end;
  }
  isAgg = (p->selFlags & SF_Aggregate)!=0;
  assert( pEList!=0 );








  /* Begin generating code.
  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ) goto select_end;

  /* If writing to memory or generating a set
................................................................................
  ** extracted in pre-sorted order.  If that is the case, then the
  ** OP_OpenEphemeral instruction will be changed to an OP_Noop once
  ** we figure out that the sorting index is not needed.  The addrSortIndex
  ** variable is used to facilitate that change.
  */
  if( sSort.pOrderBy ){
    KeyInfo *pKeyInfo;
    pKeyInfo = keyInfoFromExprList(pParse, sSort.pOrderBy, 0, 0);
    sSort.iECursor = pParse->nTab++;
    sSort.addrSortIndex =
      sqlite3VdbeAddOp4(v, OP_OpenEphemeral,
          sSort.iECursor, sSort.pOrderBy->nExpr+1+pEList->nExpr, 0,
          (char*)pKeyInfo, P4_KEYINFO
      );
  }else{
................................................................................

      /* If there is a GROUP BY clause we might need a sorting index to
      ** implement it.  Allocate that sorting index now.  If it turns out
      ** that we do not need it after all, the OP_SorterOpen instruction
      ** will be converted into a Noop.  
      */
      sAggInfo.sortingIdx = pParse->nTab++;
      pKeyInfo = keyInfoFromExprList(pParse, pGroupBy, 0, 0);
      addrSortingIdx = sqlite3VdbeAddOp4(v, OP_SorterOpen, 
          sAggInfo.sortingIdx, sAggInfo.nSortingColumn, 
          0, (char*)pKeyInfo, P4_KEYINFO);

      /* Initialize memory locations used by GROUP BY aggregate processing
      */
      iUseFlag = ++pParse->nMem;
................................................................................
#ifdef SQLITE_DEBUG
/*
** Generate a human-readable description of a the Select object.
*/
void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 moreToFollow){
  int n = 0;
  pView = sqlite3TreeViewPush(pView, moreToFollow);
  sqlite3TreeViewLine(pView, "SELECT%s%s",
    ((p->selFlags & SF_Distinct) ? " DISTINCT" : ""),
    ((p->selFlags & SF_Aggregate) ? " agg_flag" : "")
  );
  if( p->pSrc && p->pSrc->nSrc ) n++;
  if( p->pWhere ) n++;
  if( p->pGroupBy ) n++;
  if( p->pHaving ) n++;
  if( p->pOrderBy ) n++;
  if( p->pLimit ) n++;








>
|
>







 







|







 







|
>
>
>







 







>
|
|
>
>
>
>
>
>
>
>







 







|







 







>
>
>
>
>
>
>







 







|







 







|







 







|

|








539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
....
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
....
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
....
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
....
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
....
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
....
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
....
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
....
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528

    sqlite3VdbeAddOp3(v, OP_Compare, regPrevKey, regBase, pSort->nOBSat);
    pOp = sqlite3VdbeGetOp(v, pSort->addrSortIndex);
    if( pParse->db->mallocFailed ) return;
    pOp->p2 = nKey + nData;
    pKI = pOp->p4.pKeyInfo;
    memset(pKI->aSortOrder, 0, pKI->nField); /* Makes OP_Jump below testable */
    sqlite3VdbeChangeP4(v, -1, (char*)pKI, P4_KEYINFO);
    testcase( pKI->nXField>2 );
    pOp->p4.pKeyInfo = keyInfoFromExprList(pParse, pSort->pOrderBy, nOBSat,
                                           pKI->nXField-1);
    addrJmp = sqlite3VdbeCurrentAddr(v);
    sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v);
    pSort->labelBkOut = sqlite3VdbeMakeLabel(v);
    pSort->regReturn = ++pParse->nMem;
    sqlite3VdbeAddOp2(v, OP_Gosub, pSort->regReturn, pSort->labelBkOut);
    sqlite3VdbeAddOp1(v, OP_ResetSorter, pSort->iECursor);
    sqlite3VdbeJumpHere(v, addrFirst);
................................................................................
  int nExpr;
  KeyInfo *pInfo;
  struct ExprList_item *pItem;
  sqlite3 *db = pParse->db;
  int i;

  nExpr = pList->nExpr;
  pInfo = sqlite3KeyInfoAlloc(db, nExpr-iStart, nExtra+1);
  if( pInfo ){
    assert( sqlite3KeyInfoIsWriteable(pInfo) );
    for(i=iStart, pItem=pList->a+iStart; i<nExpr; i++, pItem++){
      CollSeq *pColl;
      pColl = sqlite3ExprCollSeq(pParse, pItem->pExpr);
      if( !pColl ) pColl = db->pDfltColl;
      pInfo->aColl[i-iStart] = pColl;
................................................................................
** exist on the table t1, a complete scan of the data might be
** avoided.
**
** Flattening is only attempted if all of the following are true:
**
**   (1)  The subquery and the outer query do not both use aggregates.
**
**   (2)  The subquery is not an aggregate or (2a) the outer query is not a join
**        and (2b) the outer query does not use subqueries other than the one
**        FROM-clause subquery that is a candidate for flattening.  (2b is
**        due to ticket [2f7170d73bf9abf80] from 2015-02-09.)
**
**   (3)  The subquery is not the right operand of a left outer join
**        (Originally ticket #306.  Strengthened by ticket #3300)
**
**   (4)  The subquery is not DISTINCT.
**
**  (**)  At one point restrictions (4) and (5) defined a subset of DISTINCT
................................................................................
  if( OptimizationDisabled(db, SQLITE_QueryFlattener) ) return 0;
  pSrc = p->pSrc;
  assert( pSrc && iFrom>=0 && iFrom<pSrc->nSrc );
  pSubitem = &pSrc->a[iFrom];
  iParent = pSubitem->iCursor;
  pSub = pSubitem->pSelect;
  assert( pSub!=0 );
  if( subqueryIsAgg ){
    if( isAgg ) return 0;                                /* Restriction (1)   */
    if( pSrc->nSrc>1 ) return 0;                         /* Restriction (2a)  */
    if( (p->pWhere && ExprHasProperty(p->pWhere,EP_Subquery))
     || (sqlite3ExprListFlags(p->pEList) & EP_Subquery)!=0
     || (sqlite3ExprListFlags(p->pOrderBy) & EP_Subquery)!=0
    ){
      return 0;                                          /* Restriction (2b)  */
    }
  }
    
  pSubSrc = pSub->pSrc;
  assert( pSubSrc );
  /* Prior to version 3.1.2, when LIMIT and OFFSET had to be simple constants,
  ** not arbitrary expressions, we allowed some combining of LIMIT and OFFSET
  ** because they could be computed at compile-time.  But when LIMIT and OFFSET
  ** became arbitrary expressions, we were forced to add restrictions (13)
  ** and (14). */
................................................................................
#endif
    if( pFrom->zName==0 ){
#ifndef SQLITE_OMIT_SUBQUERY
      Select *pSel = pFrom->pSelect;
      /* A sub-query in the FROM clause of a SELECT */
      assert( pSel!=0 );
      assert( pFrom->pTab==0 );
      if( sqlite3WalkSelect(pWalker, pSel) ) return WRC_Abort;
      pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table));
      if( pTab==0 ) return WRC_Abort;
      pTab->nRef = 1;
      pTab->zName = sqlite3MPrintf(db, "sqlite_sq_%p", (void*)pTab);
      while( pSel->pPrior ){ pSel = pSel->pPrior; }
      selectColumnsFromExprList(pParse, pSel->pEList, &pTab->nCol, &pTab->aCol);
      pTab->iPKey = -1;
................................................................................
  pTabList = p->pSrc;
  pEList = p->pEList;
  if( pParse->nErr || db->mallocFailed ){
    goto select_end;
  }
  isAgg = (p->selFlags & SF_Aggregate)!=0;
  assert( pEList!=0 );
#if SELECTTRACE_ENABLED
  if( sqlite3SelectTrace & 0x100 ){
    SELECTTRACE(0x100,pParse,p, ("after name resolution:\n"));
    sqlite3TreeViewSelect(0, p, 0);
  }
#endif


  /* Begin generating code.
  */
  v = sqlite3GetVdbe(pParse);
  if( v==0 ) goto select_end;

  /* If writing to memory or generating a set
................................................................................
  ** extracted in pre-sorted order.  If that is the case, then the
  ** OP_OpenEphemeral instruction will be changed to an OP_Noop once
  ** we figure out that the sorting index is not needed.  The addrSortIndex
  ** variable is used to facilitate that change.
  */
  if( sSort.pOrderBy ){
    KeyInfo *pKeyInfo;
    pKeyInfo = keyInfoFromExprList(pParse, sSort.pOrderBy, 0, pEList->nExpr);
    sSort.iECursor = pParse->nTab++;
    sSort.addrSortIndex =
      sqlite3VdbeAddOp4(v, OP_OpenEphemeral,
          sSort.iECursor, sSort.pOrderBy->nExpr+1+pEList->nExpr, 0,
          (char*)pKeyInfo, P4_KEYINFO
      );
  }else{
................................................................................

      /* If there is a GROUP BY clause we might need a sorting index to
      ** implement it.  Allocate that sorting index now.  If it turns out
      ** that we do not need it after all, the OP_SorterOpen instruction
      ** will be converted into a Noop.  
      */
      sAggInfo.sortingIdx = pParse->nTab++;
      pKeyInfo = keyInfoFromExprList(pParse, pGroupBy, 0, sAggInfo.nColumn);
      addrSortingIdx = sqlite3VdbeAddOp4(v, OP_SorterOpen, 
          sAggInfo.sortingIdx, sAggInfo.nSortingColumn, 
          0, (char*)pKeyInfo, P4_KEYINFO);

      /* Initialize memory locations used by GROUP BY aggregate processing
      */
      iUseFlag = ++pParse->nMem;
................................................................................
#ifdef SQLITE_DEBUG
/*
** Generate a human-readable description of a the Select object.
*/
void sqlite3TreeViewSelect(TreeView *pView, const Select *p, u8 moreToFollow){
  int n = 0;
  pView = sqlite3TreeViewPush(pView, moreToFollow);
  sqlite3TreeViewLine(pView, "SELECT%s%s (0x%p)",
    ((p->selFlags & SF_Distinct) ? " DISTINCT" : ""),
    ((p->selFlags & SF_Aggregate) ? " agg_flag" : ""), p
  );
  if( p->pSrc && p->pSrc->nSrc ) n++;
  if( p->pWhere ) n++;
  if( p->pGroupBy ) n++;
  if( p->pHaving ) n++;
  if( p->pOrderBy ) n++;
  if( p->pLimit ) n++;

Changes to src/shell.c. 

55
56
57
58
59
60
61

62
63
64
65
66

67

68
















69
70
71


72

73
74
75
76
77
78
79
...
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
...
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461




462
463
464
465
466
467
468
....
1730
1731
1732
1733
1734
1735
1736

1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
....
2440
2441
2442
2443
2444
2445
2446













































































































2447
2448
2449
2450
2451
2452
2453
....
2595
2596
2597
2598
2599
2600
2601




2602
2603
2604
2605
2606
2607
2608
....
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
....
2964
2965
2966
2967
2968
2969
2970
2971

2972
2973
2974
2975
2976
2977
2978
....
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
....
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
....
3564
3565
3566
3567
3568
3569
3570

3571
3572
3573
3574
3575
3576
3577
....
3655
3656
3657
3658
3659
3660
3661












3662
3663
3664
3665
3666
3667
3668
....
4223
4224
4225
4226
4227
4228
4229

4230
4231
4232
4233
4234
4235
4236
....
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561

# include <sys/types.h>
#endif

#if HAVE_READLINE
# include <readline/readline.h>
# include <readline/history.h>
#endif

#if HAVE_EDITLINE
# undef HAVE_READLINE
# define HAVE_READLINE 1
# include <editline/readline.h>
#endif

#if !HAVE_READLINE

# define add_history(X)
















# define read_history(X)
# define write_history(X)
# define stifle_history(X)


#endif


#if defined(_WIN32) || defined(WIN32)
# include <io.h>
# include <fcntl.h>
#define isatty(h) _isatty(h)
#ifndef access
# define access(f,m) _access((f),(m))
................................................................................
/* On Windows, we normally run with output mode of TEXT so that \n characters
** are automatically translated into \r\n.  However, this behavior needs
** to be disabled in some cases (ex: when generating CSV output and when
** rendering quoted strings that contain \n characters).  The following
** routines take care of that.
*/
#if defined(_WIN32) || defined(WIN32)
static setBinaryMode(FILE *out){
  fflush(out);
  _setmode(_fileno(out), _O_BINARY);
}
static setTextMode(FILE *out){
  fflush(out);
  _setmode(_fileno(out), _O_TEXT);
}
#else
# define setBinaryMode(X)
# define setTextMode(X)
#endif
................................................................................
static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
  char *zPrompt;
  char *zResult;
  if( in!=0 ){
    zResult = local_getline(zPrior, in);
  }else{
    zPrompt = isContinuation ? continuePrompt : mainPrompt;
#if HAVE_READLINE
    free(zPrior);
    zResult = readline(zPrompt);
    if( zResult && *zResult ) add_history(zResult);
#else
    printf("%s", zPrompt);
    fflush(stdout);
    zResult = local_getline(zPrior, stdin);




#endif
  }
  return zResult;
}

/*
** Shell output mode information from before ".explain on", 
................................................................................
*/
static char zHelp[] =
  ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
  ".bail on|off           Stop after hitting an error.  Default OFF\n"
  ".binary on|off         Turn binary output on or off.  Default OFF\n"
  ".clone NEWDB           Clone data into NEWDB from the existing database\n"
  ".databases             List names and files of attached databases\n"

  ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
  "                         If TABLE specified, only dump tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".echo on|off           Turn command echo on or off\n"
  ".eqp on|off            Enable or disable automatic EXPLAIN QUERY PLAN\n"
  ".exit                  Exit this program\n"
  ".explain ?on|off?      Turn output mode suitable for EXPLAIN on or off.\n"
  "                         With no args, it turns EXPLAIN on.\n"
  ".fullschema            Show schema and the content of sqlite_stat tables\n"
  ".headers on|off        Turn display of headers on or off\n"
  ".help                  Show this message\n"
  ".import FILE TABLE     Import data from FILE into TABLE\n"
  ".indices ?TABLE?       Show names of all indices\n"
  "                         If TABLE specified, only show indices for tables\n"
  "                         matching LIKE pattern TABLE.\n"
#ifdef SQLITE_ENABLE_IOTRACE
  ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
#endif
#ifndef SQLITE_OMIT_LOAD_EXTENSION
  ".load FILE ?ENTRY?     Load an extension library\n"
#endif
................................................................................
    pclose(p->out);
  }else{
    output_file_close(p->out);
  }
  p->outfile[0] = 0;
  p->out = stdout;
}














































































































/*
** 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_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else





  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
    open_db(p, 0);
    /* When playing back a "dump", the content might appear in an order
    ** which causes immediate foreign key constraints to be violated.
    ** So disable foreign-key constraint enforcement to prevent problems. */
    if( nArg!=1 && nArg!=2 ){
................................................................................
        */
        if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break;
        sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){
          fprintf(stderr, "%s:%d: expected %d columns but found %d - "
                          "filling the rest with NULL\n",
                          sCtx.zFile, startLine, nCol, i+1);
          i++;
          while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; }
        }
      }
      if( sCtx.cTerm==sCtx.cColSep ){
        do{
          xRead(&sCtx);
          i++;
................................................................................

    xCloser(sCtx.in);
    sqlite3_free(sCtx.z);
    sqlite3_finalize(pStmt);
    if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && strncmp(azArg[0], "indices", n)==0 ){

    ShellState data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_List;
    if( nArg==1 ){
................................................................................
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
      zShellStatic = 0;
    }else{
      fprintf(stderr, "Usage: .indices ?LIKE-PATTERN?\n");
      rc = 1;
      goto meta_command_exit;
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
................................................................................
    }
  }else


#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
  if( c=='s' && n==11 && strncmp(azArg[0], "selecttrace", n)==0 ){
    extern int sqlite3SelectTrace;
    sqlite3SelectTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
  }else
#endif


#ifdef SQLITE_DEBUG
  /* Undocumented commands for internal testing.  Subject to change
  ** without notice. */
................................................................................
      { "always",                SQLITE_TESTCTRL_ALWAYS                 },
      { "reserve",               SQLITE_TESTCTRL_RESERVE                },
      { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
      { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
      { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
      { "byteorder",             SQLITE_TESTCTRL_BYTEORDER              },
      { "never_corrupt",         SQLITE_TESTCTRL_NEVER_CORRUPT          },

    };
    int testctrl = -1;
    int rc = 0;
    int i, n;
    open_db(p, 0);

    /* convert testctrl text option to value. allow any unique prefix
................................................................................
            fprintf(p->out, "%d (0x%08x)\n", rc, rc);
          } else {
            fprintf(stderr,"Error: testctrl %s takes a single char * option\n",
                            azArg[1]);
          }
          break;
#endif













        case SQLITE_TESTCTRL_BITVEC_TEST:         
        case SQLITE_TESTCTRL_FAULT_INSTALL:       
        case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS: 
        case SQLITE_TESTCTRL_SCRATCHMALLOC:       
        default:
          fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
................................................................................
  if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
    fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
            sqlite3_sourceid(), SQLITE_SOURCE_ID);
    exit(1);
  }
#endif
  setBinaryMode(stdin);

  Argv0 = argv[0];
  main_init(&data);
  stdin_is_interactive = isatty(0);

  /* Make sure we have a valid signal handler early, before anything
  ** else is done.
  */
................................................................................
      zHome = find_home_dir();
      if( zHome ){
        nHistory = strlen30(zHome) + 20;
        if( (zHistory = malloc(nHistory))!=0 ){
          sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
        }
      }
#if HAVE_READLINE
      if( zHistory ) read_history(zHistory);
#endif
      rc = process_input(&data, 0);
      if( zHistory ){
        stifle_history(100);
        write_history(zHistory);
        free(zHistory);
      }
    }else{
      rc = process_input(&data, stdin);
    }
  }
  set_table_name(&data, 0);
  if( data.db ){
    sqlite3_close(data.db);
  }
  sqlite3_free(data.zFreeOnClose); 
  return rc;
}








>

<
<


>
|
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
|
|
>
>

>







 







|



|







 







|
<
<
<
<



>
>
>
>







 







>












|
|







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>
>
>
>







 







|







 







|
>







 







|







 







|







 







>







 







>
>
>
>
>
>
>
>
>
>
>
>







 







>







 







<
|
<


|
|














55
56
57
58
59
60
61
62
63


64
65
66
67
68
69
70
71
72
73
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
...
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
...
467
468
469
470
471
472
473
474




475
476
477
478
479
480
481
482
483
484
485
486
487
488
....
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
....
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
....
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
....
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
....
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
....
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
....
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
....
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
....
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
....
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
....
4684
4685
4686
4687
4688
4689
4690

4691

4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708

# include <sys/types.h>
#endif

#if HAVE_READLINE
# include <readline/readline.h>
# include <readline/history.h>
#endif

#if HAVE_EDITLINE


# include <editline/readline.h>
#endif

#if HAVE_EDITLINE || HAVE_READLINE

# define shell_add_history(X) add_history(X)
# define shell_read_history(X) read_history(X)
# define shell_write_history(X) write_history(X)
# define shell_stifle_history(X) stifle_history(X)
# define shell_readline(X) readline(X)

#elif HAVE_LINENOISE

# include "linenoise.h"
# define shell_add_history(X) linenoiseHistoryAdd(X)
# define shell_read_history(X) linenoiseHistoryLoad(X)
# define shell_write_history(X) linenoiseHistorySave(X)
# define shell_stifle_history(X) linenoiseHistorySetMaxLen(X)
# define shell_readline(X) linenoise(X)

#else

# define shell_read_history(X) 
# define shell_write_history(X)
# define shell_stifle_history(X)

# define SHELL_USE_LOCAL_GETLINE 1
#endif


#if defined(_WIN32) || defined(WIN32)
# include <io.h>
# include <fcntl.h>
#define isatty(h) _isatty(h)
#ifndef access
# define access(f,m) _access((f),(m))
................................................................................
/* On Windows, we normally run with output mode of TEXT so that \n characters
** are automatically translated into \r\n.  However, this behavior needs
** to be disabled in some cases (ex: when generating CSV output and when
** rendering quoted strings that contain \n characters).  The following
** routines take care of that.
*/
#if defined(_WIN32) || defined(WIN32)
static void setBinaryMode(FILE *out){
  fflush(out);
  _setmode(_fileno(out), _O_BINARY);
}
static void setTextMode(FILE *out){
  fflush(out);
  _setmode(_fileno(out), _O_TEXT);
}
#else
# define setBinaryMode(X)
# define setTextMode(X)
#endif
................................................................................
static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
  char *zPrompt;
  char *zResult;
  if( in!=0 ){
    zResult = local_getline(zPrior, in);
  }else{
    zPrompt = isContinuation ? continuePrompt : mainPrompt;
#if SHELL_USE_LOCAL_GETLINE




    printf("%s", zPrompt);
    fflush(stdout);
    zResult = local_getline(zPrior, stdin);
#else
    free(zPrior);
    zResult = shell_readline(zPrompt);
    if( zResult && *zResult ) shell_add_history(zResult);
#endif
  }
  return zResult;
}

/*
** Shell output mode information from before ".explain on", 
................................................................................
*/
static char zHelp[] =
  ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
  ".bail on|off           Stop after hitting an error.  Default OFF\n"
  ".binary on|off         Turn binary output on or off.  Default OFF\n"
  ".clone NEWDB           Clone data into NEWDB from the existing database\n"
  ".databases             List names and files of attached databases\n"
  ".dbinfo ?DB?           Show status information about the database\n"
  ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
  "                         If TABLE specified, only dump tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".echo on|off           Turn command echo on or off\n"
  ".eqp on|off            Enable or disable automatic EXPLAIN QUERY PLAN\n"
  ".exit                  Exit this program\n"
  ".explain ?on|off?      Turn output mode suitable for EXPLAIN on or off.\n"
  "                         With no args, it turns EXPLAIN on.\n"
  ".fullschema            Show schema and the content of sqlite_stat tables\n"
  ".headers on|off        Turn display of headers on or off\n"
  ".help                  Show this message\n"
  ".import FILE TABLE     Import data from FILE into TABLE\n"
  ".indexes ?TABLE?       Show names of all indexes\n"
  "                         If TABLE specified, only show indexes for tables\n"
  "                         matching LIKE pattern TABLE.\n"
#ifdef SQLITE_ENABLE_IOTRACE
  ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
#endif
#ifndef SQLITE_OMIT_LOAD_EXTENSION
  ".load FILE ?ENTRY?     Load an extension library\n"
#endif
................................................................................
    pclose(p->out);
  }else{
    output_file_close(p->out);
  }
  p->outfile[0] = 0;
  p->out = stdout;
}

/*
** Run an SQL command and return the single integer result.
*/
static int db_int(ShellState *p, const char *zSql){
  sqlite3_stmt *pStmt;
  int res = 0;
  sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
  if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
    res = sqlite3_column_int(pStmt,0);
  }
  sqlite3_finalize(pStmt);
  return res;
}

/*
** Convert a 2-byte or 4-byte big-endian integer into a native integer
*/
unsigned int get2byteInt(unsigned char *a){
  return (a[0]<<8) + a[1];
}
unsigned int get4byteInt(unsigned char *a){
  return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + a[3];
}

/*
** Implementation of the ".info" command.
**
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){
  static const struct { const char *zName; int ofst; } aField[] = {
     { "file change counter:",  24  },
     { "database page count:",  28  },
     { "freelist page count:",  36  },
     { "schema cookie:",        40  },
     { "schema format:",        44  },
     { "default cache size:",   48  },
     { "autovacuum top root:",  52  },
     { "incremental vacuum:",   64  },
     { "text encoding:",        56  },
     { "user version:",         60  },
     { "application id:",       68  },
     { "software version:",     96  },
  };
  static const struct { const char *zName; const char *zSql; } aQuery[] = {
     { "number of tables:",
       "SELECT count(*) FROM %s WHERE type='table'" },
     { "number of indexes:",
       "SELECT count(*) FROM %s WHERE type='index'" },
     { "number of triggers:",
       "SELECT count(*) FROM %s WHERE type='trigger'" },
     { "number of views:",
       "SELECT count(*) FROM %s WHERE type='view'" },
     { "schema size:",
       "SELECT total(length(sql)) FROM %s" },
  };
  sqlite3_file *pFile;
  int i;
  char *zSchemaTab;
  char *zDb = nArg>=2 ? azArg[1] : "main";
  unsigned char aHdr[100];
  open_db(p, 0);
  if( p->db==0 ) return 1;
  sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile);
  if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){
    return 1;
  }
  i = pFile->pMethods->xRead(pFile, aHdr, 100, 0);
  if( i!=SQLITE_OK ){
    fprintf(stderr, "unable to read database header\n");
    return 1;
  }
  i = get2byteInt(aHdr+16);
  if( i==1 ) i = 65536;
  fprintf(p->out, "%-20s %d\n", "database page size:", i);
  fprintf(p->out, "%-20s %d\n", "write format:", aHdr[18]);
  fprintf(p->out, "%-20s %d\n", "read format:", aHdr[19]);
  fprintf(p->out, "%-20s %d\n", "reserved bytes:", aHdr[20]);
  for(i=0; i<sizeof(aField)/sizeof(aField[0]); i++){
    int ofst = aField[i].ofst;
    unsigned int val = get4byteInt(aHdr + ofst);
    fprintf(p->out, "%-20s %u", aField[i].zName, val);
    switch( ofst ){
      case 56: {
        if( val==1 ) fprintf(p->out, " (utf8)"); 
        if( val==2 ) fprintf(p->out, " (utf16le)"); 
        if( val==3 ) fprintf(p->out, " (utf16be)"); 
      }
    }
    fprintf(p->out, "\n");
  }
  if( zDb==0 ){
    zSchemaTab = sqlite3_mprintf("main.sqlite_master");
  }else if( strcmp(zDb,"temp")==0 ){
    zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_master");
  }else{
    zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb);
  }
  for(i=0; i<sizeof(aQuery)/sizeof(aQuery[0]); i++){
    char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab);
    int val = db_int(p, zSql);
    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_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else

  if( c=='d' && strncmp(azArg[0], "dbinfo", n)==0 ){
    rc = shell_dbinfo_command(p, nArg, azArg);
  }else

  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
    open_db(p, 0);
    /* When playing back a "dump", the content might appear in an order
    ** which causes immediate foreign key constraints to be violated.
    ** So disable foreign-key constraint enforcement to prevent problems. */
    if( nArg!=1 && nArg!=2 ){
................................................................................
        */
        if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break;
        sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){
          fprintf(stderr, "%s:%d: expected %d columns but found %d - "
                          "filling the rest with NULL\n",
                          sCtx.zFile, startLine, nCol, i+1);
          i += 2;
          while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; }
        }
      }
      if( sCtx.cTerm==sCtx.cColSep ){
        do{
          xRead(&sCtx);
          i++;
................................................................................

    xCloser(sCtx.in);
    sqlite3_free(sCtx.z);
    sqlite3_finalize(pStmt);
    if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && (strncmp(azArg[0], "indices", n)==0
                 || strncmp(azArg[0], "indexes", n)==0) ){
    ShellState data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_List;
    if( nArg==1 ){
................................................................................
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
      zShellStatic = 0;
    }else{
      fprintf(stderr, "Usage: .indexes ?LIKE-PATTERN?\n");
      rc = 1;
      goto meta_command_exit;
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
................................................................................
    }
  }else


#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
  if( c=='s' && n==11 && strncmp(azArg[0], "selecttrace", n)==0 ){
    extern int sqlite3SelectTrace;
    sqlite3SelectTrace = integerValue(azArg[1]);
  }else
#endif


#ifdef SQLITE_DEBUG
  /* Undocumented commands for internal testing.  Subject to change
  ** without notice. */
................................................................................
      { "always",                SQLITE_TESTCTRL_ALWAYS                 },
      { "reserve",               SQLITE_TESTCTRL_RESERVE                },
      { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
      { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
      { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
      { "byteorder",             SQLITE_TESTCTRL_BYTEORDER              },
      { "never_corrupt",         SQLITE_TESTCTRL_NEVER_CORRUPT          },
      { "imposter",              SQLITE_TESTCTRL_IMPOSTER               },
    };
    int testctrl = -1;
    int rc = 0;
    int i, n;
    open_db(p, 0);

    /* convert testctrl text option to value. allow any unique prefix
................................................................................
            fprintf(p->out, "%d (0x%08x)\n", rc, rc);
          } else {
            fprintf(stderr,"Error: testctrl %s takes a single char * option\n",
                            azArg[1]);
          }
          break;
#endif

        case SQLITE_TESTCTRL_IMPOSTER:
          if( nArg==5 ){
            rc = sqlite3_test_control(testctrl, p->db, 
                          azArg[2],
                          integerValue(azArg[3]),
                          integerValue(azArg[4]));
          }else{
            fprintf(stderr,"Usage: .testctrl initmode dbName onoff tnum\n");
            rc = 1;
          }
          break;

        case SQLITE_TESTCTRL_BITVEC_TEST:         
        case SQLITE_TESTCTRL_FAULT_INSTALL:       
        case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS: 
        case SQLITE_TESTCTRL_SCRATCHMALLOC:       
        default:
          fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
................................................................................
  if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
    fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
            sqlite3_sourceid(), SQLITE_SOURCE_ID);
    exit(1);
  }
#endif
  setBinaryMode(stdin);
  setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
  Argv0 = argv[0];
  main_init(&data);
  stdin_is_interactive = isatty(0);

  /* Make sure we have a valid signal handler early, before anything
  ** else is done.
  */
................................................................................
      zHome = find_home_dir();
      if( zHome ){
        nHistory = strlen30(zHome) + 20;
        if( (zHistory = malloc(nHistory))!=0 ){
          sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
        }
      }

      if( zHistory ) shell_read_history(zHistory);

      rc = process_input(&data, 0);
      if( zHistory ){
        shell_stifle_history(100);
        shell_write_history(zHistory);
        free(zHistory);
      }
    }else{
      rc = process_input(&data, stdin);
    }
  }
  set_table_name(&data, 0);
  if( data.db ){
    sqlite3_close(data.db);
  }
  sqlite3_free(data.zFreeOnClose); 
  return rc;
}

Changes to src/sqlite.h.in. 

940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
...
961
962
963
964
965
966
967






968
969
970
971
972
973
974
....
2222
2223
2224
2225
2226
2227
2228




2229
2230
2231
2232
2233
2234
2235
....
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
....
2306
2307
2308
2309
2310
2311
2312






2313
2314
2315
2316
2317
2318
2319
....
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175

3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
....
5056
5057
5058
5059
5060
5061
5062





5063
5064
5065
5066
5067
5068
5069
....
6256
6257
6258
6259
6260
6261
6262

6263
6264
6265
6266
6267
6268
6269
6270

** opcode causes the xFileControl method to swap the file handle with the one
** pointed to by the pArg argument.  This capability is used during testing
** and only needs to be supported when SQLITE_TEST is defined.
**
** </ul>
*/
#define SQLITE_FCNTL_LOCKSTATE               1
#define SQLITE_GET_LOCKPROXYFILE             2
#define SQLITE_SET_LOCKPROXYFILE             3
#define SQLITE_LAST_ERRNO                    4
#define SQLITE_FCNTL_SIZE_HINT               5
#define SQLITE_FCNTL_CHUNK_SIZE              6
#define SQLITE_FCNTL_FILE_POINTER            7
#define SQLITE_FCNTL_SYNC_OMITTED            8
#define SQLITE_FCNTL_WIN32_AV_RETRY          9
#define SQLITE_FCNTL_PERSIST_WAL            10
#define SQLITE_FCNTL_OVERWRITE              11
................................................................................
#define SQLITE_FCNTL_TEMPFILENAME           16
#define SQLITE_FCNTL_MMAP_SIZE              18
#define SQLITE_FCNTL_TRACE                  19
#define SQLITE_FCNTL_HAS_MOVED              20
#define SQLITE_FCNTL_SYNC                   21
#define SQLITE_FCNTL_COMMIT_PHASETWO        22
#define SQLITE_FCNTL_WIN32_SET_HANDLE       23







/*
** CAPI3REF: Mutex Handle
**
** The mutex module within SQLite defines [sqlite3_mutex] to be an
** abstract type for a mutex object.  The SQLite core never looks
** at the internal representation of an [sqlite3_mutex].  It only
................................................................................
void sqlite3_free_table(char **result);

/*
** CAPI3REF: Formatted String Printing Functions
**
** These routines are work-alikes of the "printf()" family of functions
** from the standard C library.




**
** ^The sqlite3_mprintf() and sqlite3_vmprintf() routines write their
** results into memory obtained from [sqlite3_malloc()].
** The strings returned by these two routines should be
** released by [sqlite3_free()].  ^Both routines return a
** NULL pointer if [sqlite3_malloc()] is unable to allocate enough
** memory to hold the resulting string.
................................................................................
** written will be n-1 characters.
**
** ^The sqlite3_vsnprintf() routine is a varargs version of sqlite3_snprintf().
**
** These routines all implement some additional formatting
** options that are useful for constructing SQL statements.
** All of the usual printf() formatting options apply.  In addition, there
** is are "%q", "%Q", and "%z" options.
**
** ^(The %q option works like %s in that it substitutes a nul-terminated
** string from the argument list.  But %q also doubles every '\'' character.
** %q is designed for use inside a string literal.)^  By doubling each '\''
** character it escapes that character and allows it to be inserted into
** the string.
**
................................................................................
**  char *zSQL = sqlite3_mprintf("INSERT INTO table VALUES(%Q)", zText);
**  sqlite3_exec(db, zSQL, 0, 0, 0);
**  sqlite3_free(zSQL);
** </pre></blockquote>
**
** The code above will render a correct SQL statement in the zSQL
** variable even if the zText variable is a NULL pointer.






**
** ^(The "%z" formatting option works like "%s" but with the
** addition that after the string has been read and copied into
** the result, [sqlite3_free()] is called on the input string.)^
*/
char *sqlite3_mprintf(const char*,...);
char *sqlite3_vmprintf(const char*, va_list);
................................................................................
** [sqlite3_open16()].  The database connection must not have been closed.
**
** The second argument, "zSql", is the statement to be compiled, encoded
** as either UTF-8 or UTF-16.  The sqlite3_prepare() and sqlite3_prepare_v2()
** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2()
** use UTF-16.
**
** ^If the nByte argument is less than zero, then zSql is read up to the
** first zero terminator. ^If nByte is non-negative, then it is the maximum
** number of  bytes read from zSql.  ^When nByte is non-negative, the
** zSql string ends at either the first '\000' or '\u0000' character or
** the nByte-th byte, whichever comes first. If the caller knows
** that the supplied string is nul-terminated, then there is a small
** performance advantage to be gained by passing an nByte parameter that

** is equal to the number of bytes in the input string <i>including</i>
** the nul-terminator bytes as this saves SQLite from having to
** make a copy of the input string.
**
** ^If pzTail is not NULL then *pzTail is made to point to the first byte
** past the end of the first SQL statement in zSql.  These routines only
** compile the first statement in zSql, so *pzTail is left pointing to
** what remains uncompiled.
**
** ^*ppStmt is left pointing to a compiled [prepared statement] that can be
................................................................................
**
** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled
** successfully.  An [error code] is returned otherwise.)^
**
** ^Shared cache is disabled by default. But this might change in
** future releases of SQLite.  Applications that care about shared
** cache setting should set it explicitly.





**
** This interface is threadsafe on processors where writing a
** 32-bit integer is atomic.
**
** See Also:  [SQLite Shared-Cache Mode]
*/
int sqlite3_enable_shared_cache(int);
................................................................................
#define SQLITE_TESTCTRL_LOCALTIME_FAULT         18
#define SQLITE_TESTCTRL_EXPLAIN_STMT            19  /* NOT USED */
#define SQLITE_TESTCTRL_NEVER_CORRUPT           20
#define SQLITE_TESTCTRL_VDBE_COVERAGE           21
#define SQLITE_TESTCTRL_BYTEORDER               22
#define SQLITE_TESTCTRL_ISINIT                  23
#define SQLITE_TESTCTRL_SORTER_MMAP             24

#define SQLITE_TESTCTRL_LAST                    24

/*
** CAPI3REF: SQLite Runtime Status
**
** ^This interface is used to retrieve runtime status information
** about the performance of SQLite, and optionally to reset various
** highwater marks.  ^The first argument is an integer code for








|
|
|







 







>
>
>
>
>
>







 







>
>
>
>







 







|







 







>
>
>
>
>
>







 







|
|
|
|
<
|
<
>
|
|
<







 







>
>
>
>
>







 







>
|








940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
...
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
....
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
....
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
....
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
....
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188

3189

3190
3191
3192

3193
3194
3195
3196
3197
3198
3199
....
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
....
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290

** opcode causes the xFileControl method to swap the file handle with the one
** pointed to by the pArg argument.  This capability is used during testing
** and only needs to be supported when SQLITE_TEST is defined.
**
** </ul>
*/
#define SQLITE_FCNTL_LOCKSTATE               1
#define SQLITE_FCNTL_GET_LOCKPROXYFILE       2
#define SQLITE_FCNTL_SET_LOCKPROXYFILE       3
#define SQLITE_FCNTL_LAST_ERRNO              4
#define SQLITE_FCNTL_SIZE_HINT               5
#define SQLITE_FCNTL_CHUNK_SIZE              6
#define SQLITE_FCNTL_FILE_POINTER            7
#define SQLITE_FCNTL_SYNC_OMITTED            8
#define SQLITE_FCNTL_WIN32_AV_RETRY          9
#define SQLITE_FCNTL_PERSIST_WAL            10
#define SQLITE_FCNTL_OVERWRITE              11
................................................................................
#define SQLITE_FCNTL_TEMPFILENAME           16
#define SQLITE_FCNTL_MMAP_SIZE              18
#define SQLITE_FCNTL_TRACE                  19
#define SQLITE_FCNTL_HAS_MOVED              20
#define SQLITE_FCNTL_SYNC                   21
#define SQLITE_FCNTL_COMMIT_PHASETWO        22
#define SQLITE_FCNTL_WIN32_SET_HANDLE       23

/* deprecated names */
#define SQLITE_GET_LOCKPROXYFILE      SQLITE_FCNTL_GET_LOCKPROXYFILE
#define SQLITE_SET_LOCKPROXYFILE      SQLITE_FCNTL_SET_LOCKPROXYFILE
#define SQLITE_LAST_ERRNO             SQLITE_FCNTL_LAST_ERRNO


/*
** CAPI3REF: Mutex Handle
**
** The mutex module within SQLite defines [sqlite3_mutex] to be an
** abstract type for a mutex object.  The SQLite core never looks
** at the internal representation of an [sqlite3_mutex].  It only
................................................................................
void sqlite3_free_table(char **result);

/*
** CAPI3REF: Formatted String Printing Functions
**
** These routines are work-alikes of the "printf()" family of functions
** from the standard C library.
** These routines understand most of the common K&R formatting options,
** plus some additional non-standard formats, detailed below.
** Note that some of the more obscure formatting options from recent
** C-library standards are omitted from this implementation.
**
** ^The sqlite3_mprintf() and sqlite3_vmprintf() routines write their
** results into memory obtained from [sqlite3_malloc()].
** The strings returned by these two routines should be
** released by [sqlite3_free()].  ^Both routines return a
** NULL pointer if [sqlite3_malloc()] is unable to allocate enough
** memory to hold the resulting string.
................................................................................
** written will be n-1 characters.
**
** ^The sqlite3_vsnprintf() routine is a varargs version of sqlite3_snprintf().
**
** These routines all implement some additional formatting
** options that are useful for constructing SQL statements.
** All of the usual printf() formatting options apply.  In addition, there
** is are "%q", "%Q", "%w" and "%z" options.
**
** ^(The %q option works like %s in that it substitutes a nul-terminated
** string from the argument list.  But %q also doubles every '\'' character.
** %q is designed for use inside a string literal.)^  By doubling each '\''
** character it escapes that character and allows it to be inserted into
** the string.
**
................................................................................
**  char *zSQL = sqlite3_mprintf("INSERT INTO table VALUES(%Q)", zText);
**  sqlite3_exec(db, zSQL, 0, 0, 0);
**  sqlite3_free(zSQL);
** </pre></blockquote>
**
** The code above will render a correct SQL statement in the zSQL
** variable even if the zText variable is a NULL pointer.
**
** ^(The "%w" formatting option is like "%q" except that it expects to
** be contained within double-quotes instead of single quotes, and it
** escapes the double-quote character instead of the single-quote
** character.)^  The "%w" formatting option is intended for safely inserting
** table and column names into a constructed SQL statement.
**
** ^(The "%z" formatting option works like "%s" but with the
** addition that after the string has been read and copied into
** the result, [sqlite3_free()] is called on the input string.)^
*/
char *sqlite3_mprintf(const char*,...);
char *sqlite3_vmprintf(const char*, va_list);
................................................................................
** [sqlite3_open16()].  The database connection must not have been closed.
**
** The second argument, "zSql", is the statement to be compiled, encoded
** as either UTF-8 or UTF-16.  The sqlite3_prepare() and sqlite3_prepare_v2()
** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2()
** use UTF-16.
**
** ^If the nByte argument is negative, then zSql is read up to the
** first zero terminator. ^If nByte is positive, then it is the
** number of bytes read from zSql.  ^If nByte is zero, then no prepared
** statement is generated.

** If the caller knows that the supplied string is nul-terminated, then

** there is a small performance advantage to passing an nByte parameter that
** is the number of bytes in the input string <i>including</i>
** the nul-terminator.

**
** ^If pzTail is not NULL then *pzTail is made to point to the first byte
** past the end of the first SQL statement in zSql.  These routines only
** compile the first statement in zSql, so *pzTail is left pointing to
** what remains uncompiled.
**
** ^*ppStmt is left pointing to a compiled [prepared statement] that can be
................................................................................
**
** ^(This routine returns [SQLITE_OK] if shared cache was enabled or disabled
** successfully.  An [error code] is returned otherwise.)^
**
** ^Shared cache is disabled by default. But this might change in
** future releases of SQLite.  Applications that care about shared
** cache setting should set it explicitly.
**
** Note: This method is disabled on MacOS X 10.7 and iOS version 5.0
** and will always return SQLITE_MISUSE. On those systems, 
** shared cache mode should be enabled per-database connection via 
** [sqlite3_open_v2()] with [SQLITE_OPEN_SHAREDCACHE].
**
** This interface is threadsafe on processors where writing a
** 32-bit integer is atomic.
**
** See Also:  [SQLite Shared-Cache Mode]
*/
int sqlite3_enable_shared_cache(int);
................................................................................
#define SQLITE_TESTCTRL_LOCALTIME_FAULT         18
#define SQLITE_TESTCTRL_EXPLAIN_STMT            19  /* NOT USED */
#define SQLITE_TESTCTRL_NEVER_CORRUPT           20
#define SQLITE_TESTCTRL_VDBE_COVERAGE           21
#define SQLITE_TESTCTRL_BYTEORDER               22
#define SQLITE_TESTCTRL_ISINIT                  23
#define SQLITE_TESTCTRL_SORTER_MMAP             24
#define SQLITE_TESTCTRL_IMPOSTER                25
#define SQLITE_TESTCTRL_LAST                    25

/*
** CAPI3REF: SQLite Runtime Status
**
** ^This interface is used to retrieve runtime status information
** about the performance of SQLite, and optionally to reset various
** highwater marks.  ^The first argument is an integer code for

Changes to src/sqliteInt.h. 

1083
1084
1085
1086
1087
1088
1089

1090
1091
1092
1093
1094
1095
1096
....
2039
2040
2041
2042
2043
2044
2045
2046
2047






2048
2049
2050
2051
2052
2053
2054
....
3148
3149
3150
3151
3152
3153
3154

3155
3156
3157
3158
3159
3160
3161
....
3731
3732
3733
3734
3735
3736
3737

3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750

  int aLimit[SQLITE_N_LIMIT];   /* Limits */
  int nMaxSorterMmap;           /* Maximum size of regions mapped by sorter */
  struct sqlite3InitInfo {      /* Information used during initialization */
    int newTnum;                /* Rootpage of table being initialized */
    u8 iDb;                     /* Which db file is being initialized */
    u8 busy;                    /* TRUE if currently initializing */
    u8 orphanTrigger;           /* Last statement is orphaned TEMP trigger */

  } init;
  int nVdbeActive;              /* Number of VDBEs currently running */
  int nVdbeRead;                /* Number of active VDBEs that read or write */
  int nVdbeWrite;               /* Number of active VDBEs that read and write */
  int nVdbeExec;                /* Number of nested calls to VdbeExec() */
  int nExtension;               /* Number of loaded extensions */
  void **aExtension;            /* Array of shared library handles */
................................................................................
#define EP_Skip      0x001000 /* COLLATE, AS, or UNLIKELY */
#define EP_Reduced   0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */
#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */
#define EP_Static    0x008000 /* Held in memory not obtained from malloc() */
#define EP_MemToken  0x010000 /* Need to sqlite3DbFree() Expr.zToken */
#define EP_NoReduce  0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_Constant  0x080000 /* Node is a constant */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */







/*
** These macros can be used to test, set, or clear bits in the 
** Expr.flags field.
*/
#define ExprHasProperty(E,P)     (((E)->flags&(P))!=0)
#define ExprHasAllProperty(E,P)  (((E)->flags&(P))==(P))
................................................................................
Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*);
void sqlite3ExprAssignVarNumber(Parse*, Expr*);
void sqlite3ExprDelete(sqlite3*, Expr*);
ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*);
void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int);
void sqlite3ExprListSetSpan(Parse*,ExprList*,ExprSpan*);
void sqlite3ExprListDelete(sqlite3*, ExprList*);

int sqlite3Init(sqlite3*, char**);
int sqlite3InitCallback(void*, int, char**, char**);
void sqlite3Pragma(Parse*,Token*,Token*,Token*,int);
void sqlite3ResetAllSchemasOfConnection(sqlite3*);
void sqlite3ResetOneSchema(sqlite3*,int);
void sqlite3CollapseDatabaseArray(sqlite3*);
void sqlite3BeginParse(Parse*,int);
................................................................................
  #define sqlite3JournalExists(p) 1
#endif

void sqlite3MemJournalOpen(sqlite3_file *);
int sqlite3MemJournalSize(void);
int sqlite3IsMemJournal(sqlite3_file *);


#if SQLITE_MAX_EXPR_DEPTH>0
  void sqlite3ExprSetHeight(Parse *pParse, Expr *p);
  int sqlite3SelectExprHeight(Select *);
  int sqlite3ExprCheckHeight(Parse*, int);
#else
  #define sqlite3ExprSetHeight(x,y)
  #define sqlite3SelectExprHeight(x) 0
  #define sqlite3ExprCheckHeight(x,y)
#endif

u32 sqlite3Get4byte(const u8*);
void sqlite3Put4byte(u8*, u32);









>







 







|

>
>
>
>
>
>







 







>







 







>

<



<








1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
....
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
....
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
....
3739
3740
3741
3742
3743
3744
3745
3746
3747

3748
3749
3750

3751
3752
3753
3754
3755
3756
3757

  int aLimit[SQLITE_N_LIMIT];   /* Limits */
  int nMaxSorterMmap;           /* Maximum size of regions mapped by sorter */
  struct sqlite3InitInfo {      /* Information used during initialization */
    int newTnum;                /* Rootpage of table being initialized */
    u8 iDb;                     /* Which db file is being initialized */
    u8 busy;                    /* TRUE if currently initializing */
    u8 orphanTrigger;           /* Last statement is orphaned TEMP trigger */
    u8 imposterTable;           /* Building an imposter table */
  } init;
  int nVdbeActive;              /* Number of VDBEs currently running */
  int nVdbeRead;                /* Number of active VDBEs that read or write */
  int nVdbeWrite;               /* Number of active VDBEs that read and write */
  int nVdbeExec;                /* Number of nested calls to VdbeExec() */
  int nExtension;               /* Number of loaded extensions */
  void **aExtension;            /* Array of shared library handles */
................................................................................
#define EP_Skip      0x001000 /* COLLATE, AS, or UNLIKELY */
#define EP_Reduced   0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */
#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */
#define EP_Static    0x008000 /* Held in memory not obtained from malloc() */
#define EP_MemToken  0x010000 /* Need to sqlite3DbFree() Expr.zToken */
#define EP_NoReduce  0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* Node is a SQLITE_FUNC_CONSTANT function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */

/*
** Combinations of two or more EP_* flags
*/
#define EP_Propagate (EP_Collate|EP_Subquery) /* Propagate these bits up tree */

/*
** These macros can be used to test, set, or clear bits in the 
** Expr.flags field.
*/
#define ExprHasProperty(E,P)     (((E)->flags&(P))!=0)
#define ExprHasAllProperty(E,P)  (((E)->flags&(P))==(P))
................................................................................
Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*);
void sqlite3ExprAssignVarNumber(Parse*, Expr*);
void sqlite3ExprDelete(sqlite3*, Expr*);
ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*);
void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int);
void sqlite3ExprListSetSpan(Parse*,ExprList*,ExprSpan*);
void sqlite3ExprListDelete(sqlite3*, ExprList*);
u32 sqlite3ExprListFlags(const ExprList*);
int sqlite3Init(sqlite3*, char**);
int sqlite3InitCallback(void*, int, char**, char**);
void sqlite3Pragma(Parse*,Token*,Token*,Token*,int);
void sqlite3ResetAllSchemasOfConnection(sqlite3*);
void sqlite3ResetOneSchema(sqlite3*,int);
void sqlite3CollapseDatabaseArray(sqlite3*);
void sqlite3BeginParse(Parse*,int);
................................................................................
  #define sqlite3JournalExists(p) 1
#endif

void sqlite3MemJournalOpen(sqlite3_file *);
int sqlite3MemJournalSize(void);
int sqlite3IsMemJournal(sqlite3_file *);

void sqlite3ExprSetHeightAndFlags(Parse *pParse, Expr *p);
#if SQLITE_MAX_EXPR_DEPTH>0

  int sqlite3SelectExprHeight(Select *);
  int sqlite3ExprCheckHeight(Parse*, int);
#else

  #define sqlite3SelectExprHeight(x) 0
  #define sqlite3ExprCheckHeight(x,y)
#endif

u32 sqlite3Get4byte(const u8*);
void sqlite3Put4byte(u8*, u32);

Changes to src/tclsqlite.c. 

3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439

*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(16-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The








|








3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439

*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(50-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The

Changes to src/test1.c. 

5910
5911
5912
5913
5914
5915
5916
5917

5918
5919
5920
5921
5922
5923
5924
....
5951
5952
5953
5954
5955
5956
5957
















5958
5959
5960
5961
5962
5963
5964

  Tcl_Obj *CONST objv[]
){
  struct Verb {
    const char *zName;
    int i;
  } aVerb[] = {
    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
    { "SQLITE_TESTCTRL_SORTER_MMAP", SQLITE_TESTCTRL_SORTER_MMAP }, 

  };
  int iVerb;
  int iFlag;
  int rc;

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
................................................................................
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
      break;
    }
















  }

  Tcl_ResetResult(interp);
  return TCL_OK;
}

#if SQLITE_OS_UNIX








|
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>








5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
....
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981

  Tcl_Obj *CONST objv[]
){
  struct Verb {
    const char *zName;
    int i;
  } aVerb[] = {
    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
    { "SQLITE_TESTCTRL_SORTER_MMAP",     SQLITE_TESTCTRL_SORTER_MMAP     }, 
    { "SQLITE_TESTCTRL_IMPOSTER",        SQLITE_TESTCTRL_IMPOSTER        },
  };
  int iVerb;
  int iFlag;
  int rc;

  if( objc<2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
................................................................................
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
      break;
    }

    case SQLITE_TESTCTRL_IMPOSTER: {
      int onOff, tnum;
      const char *zDbName;
      sqlite3 *db;
      if( objc!=6 ){
        Tcl_WrongNumArgs(interp, 2, objv, "DB dbName onOff tnum");
        return TCL_ERROR;
      }
      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
      zDbName = Tcl_GetString(objv[3]);
      if( Tcl_GetIntFromObj(interp, objv[4], &onOff) ) return TCL_ERROR;
      if( Tcl_GetIntFromObj(interp, objv[5], &tnum) ) return TCL_ERROR;
      sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER, db, zDbName, onOff, tnum);
      break;
    }
  }

  Tcl_ResetResult(interp);
  return TCL_OK;
}

#if SQLITE_OS_UNIX

Changes to src/test_backup.c. 

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

**
*************************************************************************
** This file contains test logic for the sqlite3_backup() interface.
**
*/

#include "tcl.h"
#include <sqlite3.h>
#include <assert.h>

/* These functions are implemented in main.c. */
extern const char *sqlite3ErrName(int);

/* These functions are implemented in test1.c. */
extern int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);








|








10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

**
*************************************************************************
** This file contains test logic for the sqlite3_backup() interface.
**
*/

#include "tcl.h"
#include "sqlite3.h"
#include <assert.h>

/* These functions are implemented in main.c. */
extern const char *sqlite3ErrName(int);

/* These functions are implemented in test1.c. */
extern int getDbPointer(Tcl_Interp *, const char *, sqlite3 **);

Changes to src/test_demovfs.c. 

111
112
113
114
115
116
117
118
119
120
121
122
123
124
125

**
**   Much more efficient if the underlying OS is not caching write 
**   operations.
*/

#if !defined(SQLITE_TEST) || SQLITE_OS_UNIX

#include <sqlite3.h>

#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/param.h>








|








111
112
113
114
115
116
117
118
119
120
121
122
123
124
125

**
**   Much more efficient if the underlying OS is not caching write 
**   operations.
*/

#if !defined(SQLITE_TEST) || SQLITE_OS_UNIX

#include "sqlite3.h"

#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/param.h>

Changes to src/test_rtree.c. 

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces. This code
** is not included in the SQLite library. 
*/

#include <sqlite3.h>
#include <tcl.h>

/* Solely for the UNUSED_PARAMETER() macro. */
#include "sqliteInt.h"

#ifdef SQLITE_ENABLE_RTREE
/* 








|








9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

**    May you share freely, never taking more than you give.
**
*************************************************************************
** Code for testing all sorts of SQLite interfaces. This code
** is not included in the SQLite library. 
*/

#include "sqlite3.h"
#include <tcl.h>

/* Solely for the UNUSED_PARAMETER() macro. */
#include "sqliteInt.h"

#ifdef SQLITE_ENABLE_RTREE
/*

Changes to src/test_stat.c. 

297
298
299
300
301
302
303
304
305



306
307
308
309
310
311
312
...
421
422
423
424
425
426
427


428


429
430
431
432
433
434
435

  }
  p->nUnused = nUnused;
  p->iRightChildPg = isLeaf ? 0 : sqlite3Get4byte(&aHdr[8]);
  szPage = sqlite3BtreeGetPageSize(pBt);

  if( p->nCell ){
    int i;                        /* Used to iterate through cells */
    int nUsable = szPage - sqlite3BtreeGetReserve(pBt);




    p->aCell = sqlite3_malloc((p->nCell+1) * sizeof(StatCell));
    memset(p->aCell, 0, (p->nCell+1) * sizeof(StatCell));

    for(i=0; i<p->nCell; i++){
      StatCell *pCell = &p->aCell[i];

      iOff = get2byte(&aData[nHdr+i*2]);
................................................................................

    /* Page p itself has already been visited. */
    StatPage *p = &pCsr->aPage[pCsr->iPage];

    while( p->iCell<p->nCell ){
      StatCell *pCell = &p->aCell[p->iCell];
      if( pCell->iOvfl<pCell->nOvfl ){


        int nUsable = sqlite3BtreeGetPageSize(pBt)-sqlite3BtreeGetReserve(pBt);


        pCsr->zName = (char *)sqlite3_column_text(pCsr->pStmt, 0);
        pCsr->iPageno = pCell->aOvfl[pCell->iOvfl];
        pCsr->zPagetype = "overflow";
        pCsr->nCell = 0;
        pCsr->nMxPayload = 0;
        pCsr->zPath = sqlite3_mprintf(
            "%s%.3x+%.6x", p->zPath, p->iCell, pCell->iOvfl








|

>
>
>







 







>
>
|
>
>








297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
...
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442

  }
  p->nUnused = nUnused;
  p->iRightChildPg = isLeaf ? 0 : sqlite3Get4byte(&aHdr[8]);
  szPage = sqlite3BtreeGetPageSize(pBt);

  if( p->nCell ){
    int i;                        /* Used to iterate through cells */
    int nUsable;                  /* Usable bytes per page */

    sqlite3BtreeEnter(pBt);
    nUsable = szPage - sqlite3BtreeGetReserveNoMutex(pBt);
    sqlite3BtreeLeave(pBt);
    p->aCell = sqlite3_malloc((p->nCell+1) * sizeof(StatCell));
    memset(p->aCell, 0, (p->nCell+1) * sizeof(StatCell));

    for(i=0; i<p->nCell; i++){
      StatCell *pCell = &p->aCell[i];

      iOff = get2byte(&aData[nHdr+i*2]);
................................................................................

    /* Page p itself has already been visited. */
    StatPage *p = &pCsr->aPage[pCsr->iPage];

    while( p->iCell<p->nCell ){
      StatCell *pCell = &p->aCell[p->iCell];
      if( pCell->iOvfl<pCell->nOvfl ){
        int nUsable;
        sqlite3BtreeEnter(pBt);
        nUsable = sqlite3BtreeGetPageSize(pBt) - 
                        sqlite3BtreeGetReserveNoMutex(pBt);
        sqlite3BtreeLeave(pBt);
        pCsr->zName = (char *)sqlite3_column_text(pCsr->pStmt, 0);
        pCsr->iPageno = pCell->aOvfl[pCell->iOvfl];
        pCsr->zPagetype = "overflow";
        pCsr->nCell = 0;
        pCsr->nMxPayload = 0;
        pCsr->zPath = sqlite3_mprintf(
            "%s%.3x+%.6x", p->zPath, p->iCell, pCell->iOvfl

Changes to src/test_superlock.c. 

14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

** mode database files. The interface to the example code in this file 
** consists of the following two functions:
**
**   sqlite3demo_superlock()
**   sqlite3demo_superunlock()
*/

#include <sqlite3.h>
#include <string.h>               /* memset(), strlen() */
#include <assert.h>               /* assert() */

/*
** A structure to collect a busy-handler callback and argument and a count
** of the number of times it has been invoked.
*/








|








14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

** mode database files. The interface to the example code in this file 
** consists of the following two functions:
**
**   sqlite3demo_superlock()
**   sqlite3demo_superunlock()
*/

#include "sqlite3.h"
#include <string.h>               /* memset(), strlen() */
#include <assert.h>               /* assert() */

/*
** A structure to collect a busy-handler callback and argument and a count
** of the number of times it has been invoked.
*/

Changes to src/tokenize.c. 

386
387
388
389
390
391
392
393
394
395
396

397
398
399
400
401
402
403

  void *pEngine;                  /* The LEMON-generated LALR(1) parser */
  int tokenType;                  /* type of the next token */
  int lastTokenParsed = -1;       /* type of the previous token */
  u8 enableLookaside;             /* Saved value of db->lookaside.bEnabled */
  sqlite3 *db = pParse->db;       /* The database connection */
  int mxSqlLen;                   /* Max length of an SQL string */


#ifdef SQLITE_ENABLE_API_ARMOR
  if( zSql==0 || pzErrMsg==0 ) return SQLITE_MISUSE_BKPT;
#endif

  mxSqlLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH];
  if( db->nVdbeActive==0 ){
    db->u1.isInterrupted = 0;
  }
  pParse->rc = SQLITE_OK;
  pParse->zTail = zSql;
  i = 0;








<
<
<
<
>








386
387
388
389
390
391
392




393
394
395
396
397
398
399
400

  void *pEngine;                  /* The LEMON-generated LALR(1) parser */
  int tokenType;                  /* type of the next token */
  int lastTokenParsed = -1;       /* type of the previous token */
  u8 enableLookaside;             /* Saved value of db->lookaside.bEnabled */
  sqlite3 *db = pParse->db;       /* The database connection */
  int mxSqlLen;                   /* Max length of an SQL string */





  assert( zSql!=0 );
  mxSqlLen = db->aLimit[SQLITE_LIMIT_SQL_LENGTH];
  if( db->nVdbeActive==0 ){
    db->u1.isInterrupted = 0;
  }
  pParse->rc = SQLITE_OK;
  pParse->zTail = zSql;
  i = 0;

Changes to src/vacuum.c. 

180
181
182
183
184
185
186
187
188
189
190
191
192
193
194


  /* The call to execSql() to attach the temp database has left the file
  ** locked (as there was more than one active statement when the transaction
  ** to read the schema was concluded. Unlock it here so that this doesn't
  ** cause problems for the call to BtreeSetPageSize() below.  */
  sqlite3BtreeCommit(pTemp);

  nRes = sqlite3BtreeGetReserve(pMain);

  /* A VACUUM cannot change the pagesize of an encrypted database. */
#ifdef SQLITE_HAS_CODEC
  if( db->nextPagesize ){
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;








|








180
181
182
183
184
185
186
187
188
189
190
191
192
193
194


  /* The call to execSql() to attach the temp database has left the file
  ** locked (as there was more than one active statement when the transaction
  ** to read the schema was concluded. Unlock it here so that this doesn't
  ** cause problems for the call to BtreeSetPageSize() below.  */
  sqlite3BtreeCommit(pTemp);

  nRes = sqlite3BtreeGetOptimalReserve(pMain);

  /* A VACUUM cannot change the pagesize of an encrypted database. */
#ifdef SQLITE_HAS_CODEC
  if( db->nextPagesize ){
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;

Changes to src/vdbeInt.h. 

340
341
342
343
344
345
346



347
348
349
350
351
352
353

  Mem *aVar;              /* Values for the OP_Variable opcode. */
  char **azVar;           /* Name of variables */
  ynVar nVar;             /* Number of entries in aVar[] */
  ynVar nzVar;            /* Number of entries in azVar[] */
  u32 cacheCtr;           /* VdbeCursor row cache generation counter */
  int pc;                 /* The program counter */
  int rc;                 /* Value to return */



  u16 nResColumn;         /* Number of columns in one row of the result set */
  u8 errorAction;         /* Recovery action to do in case of an error */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
  bft explain:2;          /* True if EXPLAIN present on SQL command */
  bft inVtabMethod:2;     /* See comments above */
  bft changeCntOn:1;      /* True to update the change-counter */
  bft expired:1;          /* True if the VM needs to be recompiled */








>
>
>








340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356

  Mem *aVar;              /* Values for the OP_Variable opcode. */
  char **azVar;           /* Name of variables */
  ynVar nVar;             /* Number of entries in aVar[] */
  ynVar nzVar;            /* Number of entries in azVar[] */
  u32 cacheCtr;           /* VdbeCursor row cache generation counter */
  int pc;                 /* The program counter */
  int rc;                 /* Value to return */
#ifdef SQLITE_DEBUG
  int rcApp;              /* errcode set by sqlite3_result_error_code() */
#endif
  u16 nResColumn;         /* Number of columns in one row of the result set */
  u8 errorAction;         /* Recovery action to do in case of an error */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
  bft explain:2;          /* True if EXPLAIN present on SQL command */
  bft inVtabMethod:2;     /* See comments above */
  bft changeCntOn:1;      /* True to update the change-counter */
  bft expired:1;          /* True if the VM needs to be recompiled */

Changes to src/vdbeapi.c. 

166
167
168
169
170
171
172




173
174
175
176
177
178
179
...
361
362
363
364
365
366
367



368
369
370
371
372
373
374
...
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
...
487
488
489
490
491
492
493



494
495
496
497
498
499
500
...
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545

const void *sqlite3_value_text16be(sqlite3_value *pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16BE);
}
const void *sqlite3_value_text16le(sqlite3_value *pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16LE);
}
#endif /* SQLITE_OMIT_UTF16 */




int sqlite3_value_type(sqlite3_value* pVal){
  static const u8 aType[] = {
     SQLITE_BLOB,     /* 0x00 */
     SQLITE_NULL,     /* 0x01 */
     SQLITE_TEXT,     /* 0x02 */
     SQLITE_NULL,     /* 0x03 */
     SQLITE_INTEGER,  /* 0x04 */
................................................................................
void sqlite3_result_zeroblob(sqlite3_context *pCtx, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetZeroBlob(pCtx->pOut, n);
}
void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){
  pCtx->isError = errCode;
  pCtx->fErrorOrAux = 1;



  if( pCtx->pOut->flags & MEM_Null ){
    sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, 
                         SQLITE_UTF8, SQLITE_STATIC);
  }
}

/* Force an SQLITE_TOOBIG error. */
................................................................................
    ** returns, and those were broken by the automatic-reset change.  As a
    ** a work-around, the SQLITE_OMIT_AUTORESET compile-time restores the
    ** legacy behavior of returning SQLITE_MISUSE for cases where the 
    ** previous sqlite3_step() returned something other than a SQLITE_LOCKED
    ** or SQLITE_BUSY error.
    */
#ifdef SQLITE_OMIT_AUTORESET
    if( p->rc==SQLITE_BUSY || p->rc==SQLITE_LOCKED ){
      sqlite3_reset((sqlite3_stmt*)p);
    }else{
      return SQLITE_MISUSE_BKPT;
    }
#else
    sqlite3_reset((sqlite3_stmt*)p);
#endif
................................................................................
#endif

    db->nVdbeActive++;
    if( p->readOnly==0 ) db->nVdbeWrite++;
    if( p->bIsReader ) db->nVdbeRead++;
    p->pc = 0;
  }



#ifndef SQLITE_OMIT_EXPLAIN
  if( p->explain ){
    rc = sqlite3VdbeList(p);
  }else
#endif /* SQLITE_OMIT_EXPLAIN */
  {
    db->nVdbeExec++;
................................................................................
  ** be one of the values in the first assert() below. Variable p->rc 
  ** contains the value that would be returned if sqlite3_finalize() 
  ** were called on statement p.
  */
  assert( rc==SQLITE_ROW  || rc==SQLITE_DONE   || rc==SQLITE_ERROR 
       || rc==SQLITE_BUSY || rc==SQLITE_MISUSE
  );
  assert( p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE );
  if( p->isPrepareV2 && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){
    /* If this statement was prepared using sqlite3_prepare_v2(), and an
    ** error has occurred, then return the error code in p->rc to the
    ** caller. Set the error code in the database handle to the same value.
    */ 
    rc = sqlite3VdbeTransferError(p);
  }








>
>
>
>







 







>
>
>







 







|







 







>
>
>







 







|








166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
...
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
...
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
...
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
...
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555

const void *sqlite3_value_text16be(sqlite3_value *pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16BE);
}
const void *sqlite3_value_text16le(sqlite3_value *pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16LE);
}
#endif /* SQLITE_OMIT_UTF16 */
/* EVIDENCE-OF: R-12793-43283 Every value in SQLite has one of five
** fundamental datatypes: 64-bit signed integer 64-bit IEEE floating
** point number string BLOB NULL
*/
int sqlite3_value_type(sqlite3_value* pVal){
  static const u8 aType[] = {
     SQLITE_BLOB,     /* 0x00 */
     SQLITE_NULL,     /* 0x01 */
     SQLITE_TEXT,     /* 0x02 */
     SQLITE_NULL,     /* 0x03 */
     SQLITE_INTEGER,  /* 0x04 */
................................................................................
void sqlite3_result_zeroblob(sqlite3_context *pCtx, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetZeroBlob(pCtx->pOut, n);
}
void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){
  pCtx->isError = errCode;
  pCtx->fErrorOrAux = 1;
#ifdef SQLITE_DEBUG
  pCtx->pVdbe->rcApp = errCode;
#endif
  if( pCtx->pOut->flags & MEM_Null ){
    sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, 
                         SQLITE_UTF8, SQLITE_STATIC);
  }
}

/* Force an SQLITE_TOOBIG error. */
................................................................................
    ** returns, and those were broken by the automatic-reset change.  As a
    ** a work-around, the SQLITE_OMIT_AUTORESET compile-time restores the
    ** legacy behavior of returning SQLITE_MISUSE for cases where the 
    ** previous sqlite3_step() returned something other than a SQLITE_LOCKED
    ** or SQLITE_BUSY error.
    */
#ifdef SQLITE_OMIT_AUTORESET
    if( (rc = p->rc&0xff)==SQLITE_BUSY || rc==SQLITE_LOCKED ){
      sqlite3_reset((sqlite3_stmt*)p);
    }else{
      return SQLITE_MISUSE_BKPT;
    }
#else
    sqlite3_reset((sqlite3_stmt*)p);
#endif
................................................................................
#endif

    db->nVdbeActive++;
    if( p->readOnly==0 ) db->nVdbeWrite++;
    if( p->bIsReader ) db->nVdbeRead++;
    p->pc = 0;
  }
#ifdef SQLITE_DEBUG
  p->rcApp = SQLITE_OK;
#endif
#ifndef SQLITE_OMIT_EXPLAIN
  if( p->explain ){
    rc = sqlite3VdbeList(p);
  }else
#endif /* SQLITE_OMIT_EXPLAIN */
  {
    db->nVdbeExec++;
................................................................................
  ** be one of the values in the first assert() below. Variable p->rc 
  ** contains the value that would be returned if sqlite3_finalize() 
  ** were called on statement p.
  */
  assert( rc==SQLITE_ROW  || rc==SQLITE_DONE   || rc==SQLITE_ERROR 
       || rc==SQLITE_BUSY || rc==SQLITE_MISUSE
  );
  assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp );
  if( p->isPrepareV2 && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){
    /* If this statement was prepared using sqlite3_prepare_v2(), and an
    ** error has occurred, then return the error code in p->rc to the
    ** caller. Set the error code in the database handle to the same value.
    */ 
    rc = sqlite3VdbeTransferError(p);
  }

Changes to src/vdbeaux.c. 

3345
3346
3347
3348
3349
3350
3351




































3352
3353
3354
3355
3356
3357
3358
....
3756
3757
3758
3759
3760
3761
3762

3763
3764
3765
3766
3767
3768
3769
....
3843
3844
3845
3846
3847
3848
3849

3850
3851
3852
3853
3854
3855
3856

  if( desiredResult>0 && rc>0 ) return 1;
  if( CORRUPT_DB ) return 1;
  if( pKeyInfo->db->mallocFailed ) return 1;
  return 0;
}
#endif





































/*
** Both *pMem1 and *pMem2 contain string values. Compare the two values
** using the collation sequence pColl. As usual, return a negative , zero
** or positive value if *pMem1 is less than, equal to or greater than 
** *pMem2, respectively. Similar in spirit to "rc = (*pMem1) - (*pMem2);".
*/
static int vdbeCompareMemString(
................................................................................
  int serial_type = ((const u8*)pKey1)[1];
  int res;
  u32 y;
  u64 x;
  i64 v = pPKey2->aMem[0].u.i;
  i64 lhs;


  assert( (*(u8*)pKey1)<=0x3F || CORRUPT_DB );
  switch( serial_type ){
    case 1: { /* 1-byte signed integer */
      lhs = ONE_BYTE_INT(aKey);
      testcase( lhs<0 );
      break;
    }
................................................................................
  int nKey1, const void *pKey1, /* Left key */
  UnpackedRecord *pPKey2        /* Right key */
){
  const u8 *aKey1 = (const u8*)pKey1;
  int serial_type;
  int res;


  getVarint32(&aKey1[1], serial_type);
  if( serial_type<12 ){
    res = pPKey2->r1;      /* (pKey1/nKey1) is a number or a null */
  }else if( !(serial_type & 0x01) ){ 
    res = pPKey2->r2;      /* (pKey1/nKey1) is a blob */
  }else{
    int nCmp;








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>







 







>








3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
....
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
....
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894

  if( desiredResult>0 && rc>0 ) return 1;
  if( CORRUPT_DB ) return 1;
  if( pKeyInfo->db->mallocFailed ) return 1;
  return 0;
}
#endif

#if SQLITE_DEBUG
/*
** Count the number of fields (a.k.a. columns) in the record given by
** pKey,nKey.  The verify that this count is less than or equal to the
** limit given by pKeyInfo->nField + pKeyInfo->nXField.
**
** If this constraint is not satisfied, it means that the high-speed
** vdbeRecordCompareInt() and vdbeRecordCompareString() routines will
** not work correctly.  If this assert() ever fires, it probably means
** that the KeyInfo.nField or KeyInfo.nXField values were computed
** incorrectly.
*/
static void vdbeAssertFieldCountWithinLimits(
  int nKey, const void *pKey,   /* The record to verify */ 
  const KeyInfo *pKeyInfo       /* Compare size with this KeyInfo */
){
  int nField = 0;
  u32 szHdr;
  u32 idx;
  u32 notUsed;
  const unsigned char *aKey = (const unsigned char*)pKey;

  if( CORRUPT_DB ) return;
  idx = getVarint32(aKey, szHdr);
  assert( nKey>=0 );
  assert( szHdr<=(u32)nKey );
  while( idx<szHdr ){
    idx += getVarint32(aKey+idx, notUsed);
    nField++;
  }
  assert( nField <= pKeyInfo->nField+pKeyInfo->nXField );
}
#else
# define vdbeAssertFieldCountWithinLimits(A,B,C)
#endif

/*
** Both *pMem1 and *pMem2 contain string values. Compare the two values
** using the collation sequence pColl. As usual, return a negative , zero
** or positive value if *pMem1 is less than, equal to or greater than 
** *pMem2, respectively. Similar in spirit to "rc = (*pMem1) - (*pMem2);".
*/
static int vdbeCompareMemString(
................................................................................
  int serial_type = ((const u8*)pKey1)[1];
  int res;
  u32 y;
  u64 x;
  i64 v = pPKey2->aMem[0].u.i;
  i64 lhs;

  vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo);
  assert( (*(u8*)pKey1)<=0x3F || CORRUPT_DB );
  switch( serial_type ){
    case 1: { /* 1-byte signed integer */
      lhs = ONE_BYTE_INT(aKey);
      testcase( lhs<0 );
      break;
    }
................................................................................
  int nKey1, const void *pKey1, /* Left key */
  UnpackedRecord *pPKey2        /* Right key */
){
  const u8 *aKey1 = (const u8*)pKey1;
  int serial_type;
  int res;

  vdbeAssertFieldCountWithinLimits(nKey1, pKey1, pPKey2->pKeyInfo);
  getVarint32(&aKey1[1], serial_type);
  if( serial_type<12 ){
    res = pPKey2->r1;      /* (pKey1/nKey1) is a number or a null */
  }else if( !(serial_type & 0x01) ){ 
    res = pPKey2->r2;      /* (pKey1/nKey1) is a blob */
  }else{
    int nCmp;

Changes to src/vdbeblob.c. 

150
151
152
153
154
155
156






157
158
159
160
161
162
163
164
165
166
167
168
169
...
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383

  int rc = SQLITE_OK;
  char *zErr = 0;
  Table *pTab;
  Parse *pParse = 0;
  Incrblob *pBlob = 0;

#ifdef SQLITE_ENABLE_API_ARMOR






  if( !sqlite3SafetyCheckOk(db) || ppBlob==0 || zTable==0 ){
    return SQLITE_MISUSE_BKPT;
  }
#endif
  flags = !!flags;                /* flags = (flags ? 1 : 0); */
  *ppBlob = 0;

  sqlite3_mutex_enter(db->mutex);

  pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob));
  if( !pBlob ) goto blob_open_out;
  pParse = sqlite3StackAllocRaw(db, sizeof(*pParse));
  if( !pParse ) goto blob_open_out;
................................................................................
  sqlite3 *db;

  if( p==0 ) return SQLITE_MISUSE_BKPT;
  db = p->db;
  sqlite3_mutex_enter(db->mutex);
  v = (Vdbe*)p->pStmt;

  if( n<0 || iOffset<0 || (iOffset+n)>p->nByte ){
    /* Request is out of range. Return a transient error. */
    rc = SQLITE_ERROR;
  }else if( v==0 ){
    /* If there is no statement handle, then the blob-handle has
    ** already been invalidated. Return SQLITE_ABORT in this case.
    */
    rc = SQLITE_ABORT;








>
>
>
>
>
>
|




<







 







|








150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167

168
169
170
171
172
173
174
...
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388

  int rc = SQLITE_OK;
  char *zErr = 0;
  Table *pTab;
  Parse *pParse = 0;
  Incrblob *pBlob = 0;

#ifdef SQLITE_ENABLE_API_ARMOR
  if( ppBlob==0 ){
    return SQLITE_MISUSE_BKPT;
  }
#endif
  *ppBlob = 0;
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zTable==0 ){
    return SQLITE_MISUSE_BKPT;
  }
#endif
  flags = !!flags;                /* flags = (flags ? 1 : 0); */


  sqlite3_mutex_enter(db->mutex);

  pBlob = (Incrblob *)sqlite3DbMallocZero(db, sizeof(Incrblob));
  if( !pBlob ) goto blob_open_out;
  pParse = sqlite3StackAllocRaw(db, sizeof(*pParse));
  if( !pParse ) goto blob_open_out;
................................................................................
  sqlite3 *db;

  if( p==0 ) return SQLITE_MISUSE_BKPT;
  db = p->db;
  sqlite3_mutex_enter(db->mutex);
  v = (Vdbe*)p->pStmt;

  if( n<0 || iOffset<0 || ((sqlite3_int64)iOffset+n)>p->nByte ){
    /* Request is out of range. Return a transient error. */
    rc = SQLITE_ERROR;
  }else if( v==0 ){
    /* If there is no statement handle, then the blob-handle has
    ** already been invalidated. Return SQLITE_ABORT in this case.
    */
    rc = SQLITE_ABORT;

Changes to src/vtab.c. 

706
707
708
709
710
711
712

713

714
715
716
717
718
719
720

  Parse *pParse;

  int rc = SQLITE_OK;
  Table *pTab;
  char *zErr = 0;

#ifdef SQLITE_ENABLE_API_ARMOR

  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;

#endif
  sqlite3_mutex_enter(db->mutex);
  if( !db->pVtabCtx || !(pTab = db->pVtabCtx->pTab) ){
    sqlite3Error(db, SQLITE_MISUSE);
    sqlite3_mutex_leave(db->mutex);
    return SQLITE_MISUSE_BKPT;
  }








>
|
>








706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722

  Parse *pParse;

  int rc = SQLITE_OK;
  Table *pTab;
  char *zErr = 0;

#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zCreateTable==0 ){
    return SQLITE_MISUSE_BKPT;
  }
#endif
  sqlite3_mutex_enter(db->mutex);
  if( !db->pVtabCtx || !(pTab = db->pVtabCtx->pTab) ){
    sqlite3Error(db, SQLITE_MISUSE);
    sqlite3_mutex_leave(db->mutex);
    return SQLITE_MISUSE_BKPT;
  }

Changes to src/wal.c. 

1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775


1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808

1809
1810
1811
1812
1813
1814
1815
....
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830

  Wal *pWal,                      /* Wal connection */
  int eMode,                      /* One of PASSIVE, FULL or RESTART */
  int (*xBusy)(void*),            /* Function to call when busy */
  void *pBusyArg,                 /* Context argument for xBusyHandler */
  int sync_flags,                 /* Flags for OsSync() (or 0) */
  u8 *zBuf                        /* Temporary buffer to use */
){
  int rc;                         /* Return code */
  int szPage;                     /* Database page-size */
  WalIterator *pIter = 0;         /* Wal iterator context */
  u32 iDbpage = 0;                /* Next database page to write */
  u32 iFrame = 0;                 /* Wal frame containing data for iDbpage */
  u32 mxSafeFrame;                /* Max frame that can be backfilled */
  u32 mxPage;                     /* Max database page to write */
  int i;                          /* Loop counter */
  volatile WalCkptInfo *pInfo;    /* The checkpoint status information */

  szPage = walPagesize(pWal);
  testcase( szPage<=32768 );
  testcase( szPage>=65536 );
  pInfo = walCkptInfo(pWal);
  if( pInfo->nBackfill>=pWal->hdr.mxFrame ) return SQLITE_OK;

  /* Allocate the iterator */
  rc = walIteratorInit(pWal, &pIter);
  if( rc!=SQLITE_OK ){
    return rc;
  }
  assert( pIter );

  /* EVIDENCE-OF: R-62920-47450 The busy-handler callback is never invoked
  ** in the SQLITE_CHECKPOINT_PASSIVE mode. */
  assert( eMode!=SQLITE_CHECKPOINT_PASSIVE || xBusy==0 );

  /* Compute in mxSafeFrame the index of the last frame of the WAL that is
  ** safe to write into the database.  Frames beyond mxSafeFrame might
  ** overwrite database pages that are in use by active readers and thus
  ** cannot be backfilled from the WAL.
  */
  mxSafeFrame = pWal->hdr.mxFrame;
  mxPage = pWal->hdr.nPage;
  for(i=1; i<WAL_NREADER; i++){
    u32 y = pInfo->aReadMark[i];
    if( mxSafeFrame>y ){
      assert( y<=pWal->hdr.mxFrame );
      rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1);
      if( rc==SQLITE_OK ){
        pInfo->aReadMark[i] = (i==1 ? mxSafeFrame : READMARK_NOT_USED);
        walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
      }else if( rc==SQLITE_BUSY ){
        mxSafeFrame = y;
        xBusy = 0;
      }else{
        goto walcheckpoint_out;
      }
    }
  }

  if( pInfo->nBackfill<mxSafeFrame
   && (rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(0), 1))==SQLITE_OK
  ){
    i64 nSize;                    /* Current size of database file */
    u32 nBackfill = pInfo->nBackfill;

    /* Sync the WAL to disk */
    if( sync_flags ){
      rc = sqlite3OsSync(pWal->pWalFd, sync_flags);
    }

    /* If the database may grow as a result of this checkpoint, hint
    ** about the eventual size of the db file to the VFS layer.
    */
    if( rc==SQLITE_OK ){
      i64 nReq = ((i64)mxPage * szPage);
      rc = sqlite3OsFileSize(pWal->pDbFd, &nSize);
      if( rc==SQLITE_OK && nSize<nReq ){
        sqlite3OsFileControlHint(pWal->pDbFd, SQLITE_FCNTL_SIZE_HINT, &nReq);
      }
    }


    /* Iterate through the contents of the WAL, copying data to the db file. */
    while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){
      i64 iOffset;
      assert( walFramePgno(pWal, iFrame)==iDbpage );
      if( iFrame<=nBackfill || iFrame>mxSafeFrame || iDbpage>mxPage ) continue;


      iOffset = walFrameOffset(iFrame, szPage) + WAL_FRAME_HDRSIZE;
      /* testcase( IS_BIG_INT(iOffset) ); // requires a 4GiB WAL file */
      rc = sqlite3OsRead(pWal->pWalFd, zBuf, szPage, iOffset);
      if( rc!=SQLITE_OK ) break;
      iOffset = (iDbpage-1)*(i64)szPage;
      testcase( IS_BIG_INT(iOffset) );
      rc = sqlite3OsWrite(pWal->pDbFd, zBuf, szPage, iOffset);
      if( rc!=SQLITE_OK ) break;
    }

    /* If work was actually accomplished... */
    if( rc==SQLITE_OK ){
      if( mxSafeFrame==walIndexHdr(pWal)->mxFrame ){
        i64 szDb = pWal->hdr.nPage*(i64)szPage;
        testcase( IS_BIG_INT(szDb) );
        rc = sqlite3OsTruncate(pWal->pDbFd, szDb);
        if( rc==SQLITE_OK && sync_flags ){
          rc = sqlite3OsSync(pWal->pDbFd, sync_flags);
        }
      }
      if( rc==SQLITE_OK ){
        pInfo->nBackfill = mxSafeFrame;
      }
    }

    /* Release the reader lock held while backfilling */
    walUnlockExclusive(pWal, WAL_READ_LOCK(0), 1);
  }

  if( rc==SQLITE_BUSY ){
    /* Reset the return code so as not to report a checkpoint failure
    ** just because there are active readers.  */
    rc = SQLITE_OK;

  }

  /* If this is an SQLITE_CHECKPOINT_RESTART or TRUNCATE operation, and the
  ** entire wal file has been copied into the database file, then block 
  ** until all readers have finished using the wal file. This ensures that 
  ** the next process to write to the database restarts the wal file.
  */
................................................................................
  if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){
    assert( pWal->writeLock );
    if( pInfo->nBackfill<pWal->hdr.mxFrame ){
      rc = SQLITE_BUSY;
    }else if( eMode>=SQLITE_CHECKPOINT_RESTART ){
      u32 salt1;
      sqlite3_randomness(4, &salt1);
      assert( mxSafeFrame==pWal->hdr.mxFrame );
      rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(1), WAL_NREADER-1);
      if( rc==SQLITE_OK ){
        if( eMode==SQLITE_CHECKPOINT_TRUNCATE ){
          /* IMPLEMENTATION-OF: R-44699-57140 This mode works the same way as
          ** SQLITE_CHECKPOINT_RESTART with the addition that it also
          ** truncates the log file to zero bytes just prior to a
          ** successful return.








|













|

|
|
|
|
|
|

|
|
|

|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|

|
|
|
|
|

|
|
|
|

|
|
|
|
|
|
|
|
|
|


|
|
|
|
|
>
>
|
|
|
|
|
|
|
|
|

|
|
|
|
|
|
|
|
|
|
|
|
|
|

|
|
|

|
|
|
|
>







 







|








1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
....
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833

  Wal *pWal,                      /* Wal connection */
  int eMode,                      /* One of PASSIVE, FULL or RESTART */
  int (*xBusy)(void*),            /* Function to call when busy */
  void *pBusyArg,                 /* Context argument for xBusyHandler */
  int sync_flags,                 /* Flags for OsSync() (or 0) */
  u8 *zBuf                        /* Temporary buffer to use */
){
  int rc = SQLITE_OK;             /* Return code */
  int szPage;                     /* Database page-size */
  WalIterator *pIter = 0;         /* Wal iterator context */
  u32 iDbpage = 0;                /* Next database page to write */
  u32 iFrame = 0;                 /* Wal frame containing data for iDbpage */
  u32 mxSafeFrame;                /* Max frame that can be backfilled */
  u32 mxPage;                     /* Max database page to write */
  int i;                          /* Loop counter */
  volatile WalCkptInfo *pInfo;    /* The checkpoint status information */

  szPage = walPagesize(pWal);
  testcase( szPage<=32768 );
  testcase( szPage>=65536 );
  pInfo = walCkptInfo(pWal);
  if( pInfo->nBackfill<pWal->hdr.mxFrame ){

    /* Allocate the iterator */
    rc = walIteratorInit(pWal, &pIter);
    if( rc!=SQLITE_OK ){
      return rc;
    }
    assert( pIter );

    /* EVIDENCE-OF: R-62920-47450 The busy-handler callback is never invoked
    ** in the SQLITE_CHECKPOINT_PASSIVE mode. */
    assert( eMode!=SQLITE_CHECKPOINT_PASSIVE || xBusy==0 );

    /* Compute in mxSafeFrame the index of the last frame of the WAL that is
    ** safe to write into the database.  Frames beyond mxSafeFrame might
    ** overwrite database pages that are in use by active readers and thus
    ** cannot be backfilled from the WAL.
    */
    mxSafeFrame = pWal->hdr.mxFrame;
    mxPage = pWal->hdr.nPage;
    for(i=1; i<WAL_NREADER; i++){
      u32 y = pInfo->aReadMark[i];
      if( mxSafeFrame>y ){
        assert( y<=pWal->hdr.mxFrame );
        rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1);
        if( rc==SQLITE_OK ){
          pInfo->aReadMark[i] = (i==1 ? mxSafeFrame : READMARK_NOT_USED);
          walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
        }else if( rc==SQLITE_BUSY ){
          mxSafeFrame = y;
          xBusy = 0;
        }else{
          goto walcheckpoint_out;
        }
      }
    }

    if( pInfo->nBackfill<mxSafeFrame
     && (rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(0),1))==SQLITE_OK
    ){
      i64 nSize;                    /* Current size of database file */
      u32 nBackfill = pInfo->nBackfill;

      /* Sync the WAL to disk */
      if( sync_flags ){
        rc = sqlite3OsSync(pWal->pWalFd, sync_flags);
      }

      /* If the database may grow as a result of this checkpoint, hint
      ** about the eventual size of the db file to the VFS layer.
      */
      if( rc==SQLITE_OK ){
        i64 nReq = ((i64)mxPage * szPage);
        rc = sqlite3OsFileSize(pWal->pDbFd, &nSize);
        if( rc==SQLITE_OK && nSize<nReq ){
          sqlite3OsFileControlHint(pWal->pDbFd, SQLITE_FCNTL_SIZE_HINT, &nReq);
        }
      }


      /* Iterate through the contents of the WAL, copying data to the db file */
      while( rc==SQLITE_OK && 0==walIteratorNext(pIter, &iDbpage, &iFrame) ){
        i64 iOffset;
        assert( walFramePgno(pWal, iFrame)==iDbpage );
        if( iFrame<=nBackfill || iFrame>mxSafeFrame || iDbpage>mxPage ){
          continue;
        }
        iOffset = walFrameOffset(iFrame, szPage) + WAL_FRAME_HDRSIZE;
        /* testcase( IS_BIG_INT(iOffset) ); // requires a 4GiB WAL file */
        rc = sqlite3OsRead(pWal->pWalFd, zBuf, szPage, iOffset);
        if( rc!=SQLITE_OK ) break;
        iOffset = (iDbpage-1)*(i64)szPage;
        testcase( IS_BIG_INT(iOffset) );
        rc = sqlite3OsWrite(pWal->pDbFd, zBuf, szPage, iOffset);
        if( rc!=SQLITE_OK ) break;
      }

      /* If work was actually accomplished... */
      if( rc==SQLITE_OK ){
        if( mxSafeFrame==walIndexHdr(pWal)->mxFrame ){
          i64 szDb = pWal->hdr.nPage*(i64)szPage;
          testcase( IS_BIG_INT(szDb) );
          rc = sqlite3OsTruncate(pWal->pDbFd, szDb);
          if( rc==SQLITE_OK && sync_flags ){
            rc = sqlite3OsSync(pWal->pDbFd, sync_flags);
          }
        }
        if( rc==SQLITE_OK ){
          pInfo->nBackfill = mxSafeFrame;
        }
      }

      /* Release the reader lock held while backfilling */
      walUnlockExclusive(pWal, WAL_READ_LOCK(0), 1);
    }

    if( rc==SQLITE_BUSY ){
      /* Reset the return code so as not to report a checkpoint failure
      ** just because there are active readers.  */
      rc = SQLITE_OK;
    }
  }

  /* If this is an SQLITE_CHECKPOINT_RESTART or TRUNCATE operation, and the
  ** entire wal file has been copied into the database file, then block 
  ** until all readers have finished using the wal file. This ensures that 
  ** the next process to write to the database restarts the wal file.
  */
................................................................................
  if( rc==SQLITE_OK && eMode!=SQLITE_CHECKPOINT_PASSIVE ){
    assert( pWal->writeLock );
    if( pInfo->nBackfill<pWal->hdr.mxFrame ){
      rc = SQLITE_BUSY;
    }else if( eMode>=SQLITE_CHECKPOINT_RESTART ){
      u32 salt1;
      sqlite3_randomness(4, &salt1);
      assert( pInfo->nBackfill==pWal->hdr.mxFrame );
      rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(1), WAL_NREADER-1);
      if( rc==SQLITE_OK ){
        if( eMode==SQLITE_CHECKPOINT_TRUNCATE ){
          /* IMPLEMENTATION-OF: R-44699-57140 This mode works the same way as
          ** SQLITE_CHECKPOINT_RESTART with the addition that it also
          ** truncates the log file to zero bytes just prior to a
          ** successful return.

Changes to src/where.c. 

1608
1609
1610
1611
1612
1613
1614




1615
1616

1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
....
4690
4691
4692
4693
4694
4695
4696

4697




4698
4699
4700
4701
4702
4703
4704

  ** and used to match WHERE clause constraints */
  nKeyCol = 0;
  pTable = pSrc->pTab;
  pWCEnd = &pWC->a[pWC->nTerm];
  pLoop = pLevel->pWLoop;
  idxCols = 0;
  for(pTerm=pWC->a; pTerm<pWCEnd; pTerm++){




    if( pLoop->prereq==0
     && (pTerm->wtFlags & TERM_VIRTUAL)==0

     && sqlite3ExprIsTableConstant(pTerm->pExpr, pSrc->iCursor) ){
      pPartial = sqlite3ExprAnd(pParse->db, pPartial,
                                sqlite3ExprDup(pParse->db, pTerm->pExpr, 0));
    }
    if( termCanDriveIndex(pTerm, pSrc, notReady) ){
      int iCol = pTerm->u.leftColumn;
      Bitmask cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol);
      testcase( iCol==BMS );
      testcase( iCol==BMS-1 );
      if( !sentWarning ){
................................................................................
/* Check to see if a partial index with pPartIndexWhere can be used
** in the current query.  Return true if it can be and false if not.
*/
static int whereUsablePartialIndex(int iTab, WhereClause *pWC, Expr *pWhere){
  int i;
  WhereTerm *pTerm;
  for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){

    if( sqlite3ExprImpliesExpr(pTerm->pExpr, pWhere, iTab) ) return 1;




  }
  return 0;
}

/*
** Add all WhereLoop objects for a single table of the join where the table
** is idenfied by pBuilder->pNew->iTab.  That table is guaranteed to be








>
>
>
>


>
|

|







 







>
|
>
>
>
>








1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
....
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714

  ** and used to match WHERE clause constraints */
  nKeyCol = 0;
  pTable = pSrc->pTab;
  pWCEnd = &pWC->a[pWC->nTerm];
  pLoop = pLevel->pWLoop;
  idxCols = 0;
  for(pTerm=pWC->a; pTerm<pWCEnd; pTerm++){
    Expr *pExpr = pTerm->pExpr;
    assert( !ExprHasProperty(pExpr, EP_FromJoin)    /* prereq always non-zero */
         || pExpr->iRightJoinTable!=pSrc->iCursor   /*   for the right-hand   */
         || pLoop->prereq!=0 );                     /*   table of a LEFT JOIN */
    if( pLoop->prereq==0
     && (pTerm->wtFlags & TERM_VIRTUAL)==0
     && !ExprHasProperty(pExpr, EP_FromJoin)
     && sqlite3ExprIsTableConstant(pExpr, pSrc->iCursor) ){
      pPartial = sqlite3ExprAnd(pParse->db, pPartial,
                                sqlite3ExprDup(pParse->db, pExpr, 0));
    }
    if( termCanDriveIndex(pTerm, pSrc, notReady) ){
      int iCol = pTerm->u.leftColumn;
      Bitmask cMask = iCol>=BMS ? MASKBIT(BMS-1) : MASKBIT(iCol);
      testcase( iCol==BMS );
      testcase( iCol==BMS-1 );
      if( !sentWarning ){
................................................................................
/* Check to see if a partial index with pPartIndexWhere can be used
** in the current query.  Return true if it can be and false if not.
*/
static int whereUsablePartialIndex(int iTab, WhereClause *pWC, Expr *pWhere){
  int i;
  WhereTerm *pTerm;
  for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    Expr *pExpr = pTerm->pExpr;
    if( sqlite3ExprImpliesExpr(pExpr, pWhere, iTab) 
     && (!ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable==iTab)
    ){
      return 1;
    }
  }
  return 0;
}

/*
** Add all WhereLoop objects for a single table of the join where the table
** is idenfied by pBuilder->pNew->iTab.  That table is guaranteed to be

Changes to test/autoindex4.test. 

44
45
46
47
48
49
50
51































52

  CREATE TABLE t3(e,f);
  INSERT INTO t3 VALUES(123,654),(555,444),(234,987);

  SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
    FROM t3
   ORDER BY rowid;
} {1 123 654 | 0 555 444 | 4 234 987 |}
































finish_test









>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83

  CREATE TABLE t3(e,f);
  INSERT INTO t3 VALUES(123,654),(555,444),(234,987);

  SELECT (SELECT count(*) FROM t1, t2 WHERE a=e AND x=f), e, f, '|'
    FROM t3
   ORDER BY rowid;
} {1 123 654 | 0 555 444 | 4 234 987 |}

# Ticket [2326c258d02ead33d]
# Two joins, one with and the other without an ORDER BY clause.
# The one without ORDER BY correctly returns two rows of result.
# The one with ORDER BY returns no rows. 
#
do_execsql_test autoindex4-3.0 {
  CREATE TABLE A(Name text);
  CREATE TABLE Items(ItemName text , Name text);
  INSERT INTO Items VALUES('Item1','Parent');
  INSERT INTO Items VALUES('Item2','Parent');
  CREATE TABLE B(Name text);
  
  SELECT Items.ItemName
    FROM Items
      LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
      LEFT JOIN B ON (B.Name = Items.ItemName)
    WHERE Items.Name = 'Parent'
    ORDER BY Items.ItemName;
} {Item1 Item2}
do_execsql_test autoindex4-3.1 {
  CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
  
  SELECT Items.ItemName
    FROM Items
      LEFT JOIN A ON (A.Name = Items.ItemName and Items.ItemName = 'dummy')
      LEFT JOIN B ON (B.Name = Items.ItemName)
    WHERE Items.Name = 'Parent'
    ORDER BY Items.ItemName;
} {Item1 Item2}


finish_test

Changes to test/capi3.test. 

448
449
450
451
452
453
454

455










456
457

458
459
460
461
462
463
464

  set ::idxlist [list]
  set numcols [sqlite3_data_count $STMT]
  for {set i 0} {$i < $numcols} {incr i} {lappend ::idxlist $i}

# types
do_test $test.1 {
  set types [list]

  foreach i $idxlist {lappend types [sqlite3_column_type $STMT $i]}










  set types
} $types


# Integers
do_test $test.2 {
  set ints [list]
  foreach i $idxlist {lappend ints [sqlite3_column_int64 $STMT $i]}
  set ints
} $ints








>
|
>
>
>
>
>
>
>
>
>
>


>








448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476

  set ::idxlist [list]
  set numcols [sqlite3_data_count $STMT]
  for {set i 0} {$i < $numcols} {incr i} {lappend ::idxlist $i}

# types
do_test $test.1 {
  set types [list]
  foreach i $idxlist {
    set x [sqlite3_column_type $STMT $i]
    # EVIDENCE-OF: R-12793-43283 Every value in SQLite has one of five
    # fundamental datatypes: 64-bit signed integer 64-bit IEEE floating
    # point number string BLOB NULL
    if {[lsearch {INTEGER FLOAT TEXT BLOB NULL} $x]<0} {
      set types ERROR
      break
    } else {
      lappend types $x
    }
  }
  set types
} $types
 

# Integers
do_test $test.2 {
  set ints [list]
  foreach i $idxlist {lappend ints [sqlite3_column_int64 $STMT $i]}
  set ints
} $ints

Changes to test/collate8.test. 

9
10
11
12
13
14
15
16


17
18
19
20
21
22
23
...
117
118
119
120
121
122
123
124






























125

#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is making sure collations pass through the
# unary + operator.
#
# $Id: collate8.test,v 1.2 2008/08/25 12:14:09 drh Exp $



set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test collate8-1.1 {
  execsql {
    CREATE TABLE t1(a TEXT COLLATE nocase);
................................................................................
  }
} {abc ABC}
do_test collate8-2.8 {
  execsql {
    SELECT a COLLATE nocase AS x FROM t2 WHERE 'abc'=x COLLATE binary;
  }
} {abc}































finish_test








|
>
>







 








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
...
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157

#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is making sure collations pass through the
# unary + operator.
#
# 2015-02-09:  Added tests to make sure COLLATE passes through function
# calls.  Ticket [ca0d20b6cdddec5e81b8d66f89c46a5583b5f6f6].
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_test collate8-1.1 {
  execsql {
    CREATE TABLE t1(a TEXT COLLATE nocase);
................................................................................
  }
} {abc ABC}
do_test collate8-2.8 {
  execsql {
    SELECT a COLLATE nocase AS x FROM t2 WHERE 'abc'=x COLLATE binary;
  }
} {abc}

# Make sure the COLLATE operator perculates up through function calls
# and other Expr structures that use the Expr.x.pList field.
#
do_execsql_test collate8-3.1 {
  SELECT 'abc'==('ABC'||'') COLLATE nocase;
  SELECT 'abc'==('ABC'||'' COLLATE nocase);
  SELECT 'abc'==('ABC'||('' COLLATE nocase));
  SELECT 'abc'==('ABC'||upper('' COLLATE nocase));
} {1 1 1 1}
do_execsql_test collate8-3.2 {
  SELECT 'abc'==('ABC'||max('' COLLATE nocase,'' COLLATE binary));
} {1}

# The COLLATE binary is on the left and so takes precedence
do_execsql_test collate8-3.3 {
  SELECT 'abc'==('ABC'||max('' COLLATE binary,'' COLLATE nocase));
} {0}

do_execsql_test collate8-3.4 {
  SELECT 'abc'==('ABC'||CASE WHEN 1-1=2 THEN '' COLLATE nocase
                                        ELSE '' COLLATE binary END);
  SELECT 'abc'==('ABC'||CASE WHEN 1+1=2 THEN '' COLLATE nocase
                                        ELSE '' COLLATE binary END);
} {1 1}
do_execsql_test collate8-3.5 {
  SELECT 'abc'==('ABC'||CASE WHEN 1=2 THEN '' COLLATE binary
                                      ELSE '' COLLATE nocase END);
} {0}


finish_test

Changes to test/e_wal.test. 

196
197
198
199
200
201
202
203

204
205
206
207
208
209
210
211
212
213

  forcedelete test.db2
  sqlite3 db test.db2 -vfs oldvfs
  catchsql { PRAGMA journal_mode = WAL }
} {0 delete}
db close


# EVIDENCE-OF: R-22428-28959 To prevent older versions of SQLite from

# trying to recover a WAL-mode database (and making matters worse) the
# database file format version numbers (bytes 18 and 19 in the database
# header) are increased from 1 to 2 in WAL mode.
#
reset_db
do_execsql_test 4.1.1 { CREATE TABLE t1(x, y) }
do_test 4.1.2 { hexio_read test.db 18 2 } {0101}
do_execsql_test 4.1.3 { PRAGMA journal_mode = wAL } {wal}
do_test 4.1.4 { hexio_read test.db 18 2 } {0202}









|
>
|
|
|








196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214

  forcedelete test.db2
  sqlite3 db test.db2 -vfs oldvfs
  catchsql { PRAGMA journal_mode = WAL }
} {0 delete}
db close


# EVIDENCE-OF: R-45540-25505 To prevent older versions of SQLite (prior
# to version 3.7.0, 2010-07-22) from trying to recover a WAL-mode
# database (and making matters worse) the database file format version
# numbers (bytes 18 and 19 in the database header) are increased from 1
# to 2 in WAL mode.
#
reset_db
do_execsql_test 4.1.1 { CREATE TABLE t1(x, y) }
do_test 4.1.2 { hexio_read test.db 18 2 } {0101}
do_execsql_test 4.1.3 { PRAGMA journal_mode = wAL } {wal}
do_test 4.1.4 { hexio_read test.db 18 2 } {0202}

Changes to test/fts3query.test. 

204
205
206
207
208
209
210

211





































































212



  6 "SELECT snippet(t3, 'XXX', 'YYY', 'ZZZ', 0) FROM t3 WHERE t3 MATCH 'gestures'" 
  {{no XXXgesturesYYY}}

  7 "SELECT snippet(t3, 'XXX', 'YYY', 'ZZZ', 1, 5) FROM t3 WHERE t3 MATCH 'gestures'" 
  {{ZZZthe hand XXXgesturesYYY (called beatsZZZ}}
}








































































finish_test










>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

>
>

204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284

  6 "SELECT snippet(t3, 'XXX', 'YYY', 'ZZZ', 0) FROM t3 WHERE t3 MATCH 'gestures'" 
  {{no XXXgesturesYYY}}

  7 "SELECT snippet(t3, 'XXX', 'YYY', 'ZZZ', 1, 5) FROM t3 WHERE t3 MATCH 'gestures'" 
  {{ZZZthe hand XXXgesturesYYY (called beatsZZZ}}
}

# Test some range queries on the rowid field.
# 
do_execsql_test 7.1 {
  CREATE VIRTUAL TABLE ft4 USING fts4(x);
  CREATE TABLE t4(x);
}

set SMALLINT -9223372036854775808
set LARGEINT  9223372036854775807
do_test 7.2 {
  db transaction {
    foreach {iFirst nEntry} [subst {
      0                      100
      $SMALLINT              100
      [expr $LARGEINT - 99]  100
    }] {
      for {set i 0} {$i < $nEntry} {incr i} {
        set iRowid [expr $i + $iFirst]
        execsql {
          INSERT INTO ft4(rowid, x) VALUES($iRowid, 'x y z');
          INSERT INTO  t4(rowid, x) VALUES($iRowid, 'x y z');
        }
      }
    }
  }
} {}

foreach {tn iFirst iLast} [subst {
  1   5 10
  2   $SMALLINT [expr $SMALLINT+5]
  3   $SMALLINT [expr $SMALLINT+50]
  4   [expr $LARGEINT-5] $LARGEINT
  5   $LARGEINT $LARGEINT
  6   $SMALLINT $LARGEINT
  7   $SMALLINT $SMALLINT
  8   $LARGEINT $SMALLINT
}] {
  set res [db eval { 
    SELECT rowid FROM t4 WHERE rowid BETWEEN $iFirst AND $iLast 
  } ]

  do_execsql_test 7.2.$tn.1.[llength $res] {
    SELECT rowid FROM ft4 WHERE rowid BETWEEN $iFirst AND $iLast
  } $res
  do_execsql_test 7.2.$tn.2.[llength $res] {
    SELECT rowid FROM ft4 WHERE rowid BETWEEN $iFirst AND $iLast
    ORDER BY rowid DESC
  } [lsort -decr -integer $res]
}

foreach ii [db eval {SELECT rowid FROM t4}] {
  set res1 [db eval {SELECT rowid FROM t4 WHERE rowid > $ii}]
  set res2 [db eval {SELECT rowid FROM t4 WHERE rowid < $ii}]

  do_execsql_test 7.3.$ii.1 {
    SELECT rowid FROM ft4 WHERE rowid > $ii
  } $res1

  do_execsql_test 7.3.$ii.2 {
    SELECT rowid FROM ft4 WHERE rowid < $ii
  } $res2

  do_execsql_test 7.3.$ii.3 {
    SELECT rowid FROM ft4 WHERE rowid > $ii ORDER BY rowid DESC
  } [lsort -integer -decr $res1]

  do_execsql_test 7.3.$ii.4 {
    SELECT rowid FROM ft4 WHERE rowid < $ii ORDER BY rowid DESC
  } [lsort -integer -decr $res2]
}

finish_test

Changes to test/fts3snippet.test. 

516
517
518
519
520
521
522


















523
524


  {five [one] two three [four]}
  {[four] five [one] two three}
  {three [four] five [one] two}
  {two three [four] five [one]}
  {[one] two three [four] five}
}



















set sqlite_fts3_enable_parentheses 0
finish_test









>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


>

516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543

  {five [one] two three [four]}
  {[four] five [one] two three}
  {three [four] five [one] two}
  {two three [four] five [one]}
  {[one] two three [four] five}
}

#-------------------------------------------------------------------------
do_execsql_test 3 {
  CREATE VIRTUAL TABLE t3 USING fts4;
  INSERT INTO t3 VALUES('[one two three]');
}
do_execsql_test 3.1 {
  SELECT snippet(t3) FROM t3 WHERE t3 MATCH 'one';
} {{[<b>one</b> two three]}}
do_execsql_test 3.2 {
  SELECT snippet(t3) FROM t3 WHERE t3 MATCH 'two';
} {{[one <b>two</b> three]}}
do_execsql_test 3.3 {
  SELECT snippet(t3) FROM t3 WHERE t3 MATCH 'three';
} {{[one two <b>three</b>]}}
do_execsql_test 3.4 {
  SELECT snippet(t3) FROM t3 WHERE t3 MATCH 'one OR two OR three';
} {{[<b>one</b> <b>two</b> <b>three</b>]}}

set sqlite_fts3_enable_parentheses 0
finish_test

Changes to test/fuzz2.test. 

120
121
122
123
124
125
126










127
128
129

do_test fuzz2-6.4a {
  db eval {DROP TABLE IF EXISTS t0; CREATE TABLE t0(t);}
  catchsql {INSERT INTO t0 SELECT strftime();}
} {0 {}}
do_test fuzz2-6.4b {
  db eval {SELECT quote(t) FROM t0} 
} {NULL}












finish_test








>
>
>
>
>
>
>
>
>
>




120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139

do_test fuzz2-6.4a {
  db eval {DROP TABLE IF EXISTS t0; CREATE TABLE t0(t);}
  catchsql {INSERT INTO t0 SELECT strftime();}
} {0 {}}
do_test fuzz2-6.4b {
  db eval {SELECT quote(t) FROM t0} 
} {NULL}

# Another test case discovered by Michal Zalewski, this on on 2015-01-22.
# Ticket 32b63d542433ca6757cd695aca42addf8ed67aa6
#
do_test fuzz2-7.1 {
  catchsql {select e.*,0 from(s,(L))e;}
} {1 {no such table: s}}
do_test fuzz2-7.2 {
  catchsql {SELECT c.* FROM (a,b) AS c}
} {1 {no such table: a}}


finish_test

Added test/imposter1.test. 





























































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

# 2015-01-30
#
# 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 tests for SQLite library.
#
# The focus of this file is adding extra entries in the symbol table
# using sqlite3_test_control(SQLITE_TESTCTRL_IMPOSTER) and verifying that
# SQLite handles those as expected.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix imposter

# Create a bunch of data to sort against
#
do_test imposter-1.0 {
  execsql {
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, d NOT NULL);
    CREATE INDEX t1b ON t1(b);
    CREATE UNIQUE INDEX t1c ON t1(c);
    WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<30)
      INSERT INTO t1(a,b,c,d) SELECT i,1000+i,2000+i,3000+i FROM c;
  }
  set t1_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1'}]
  set t1b_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1b'}]
  set t1c_root [db one {SELECT rootpage FROM sqlite_master WHERE name='t1c'}]

  # Create an imposter table that uses the same b-tree as t1 but which does
  # not have the indexes
  #
  sqlite3_test_control SQLITE_TESTCTRL_IMPOSTER db main 1 $t1_root
  db eval {CREATE TABLE xt1(a,b,c,d)}

  # And create an imposter table for the t1c index.
  sqlite3_test_control SQLITE_TESTCTRL_IMPOSTER db main 1 $t1c_root
  db eval {CREATE TABLE xt1c(c,rowid,PRIMARY KEY(c,rowid))WITHOUT ROWID;}

  # Go out of imposter mode for now.
  sqlite3_test_control SQLITE_TESTCTRL_IMPOSTER db main 0 0

  # Create triggers to record changes to xt1.
  #
  db eval {
    CREATE TEMP TABLE chnglog(desc TEXT);
    CREATE TEMP TRIGGER xt1_del AFTER DELETE ON xt1 BEGIN
      INSERT INTO chnglog VALUES(
           printf('DELETE t1: rowid=%d, a=%s, b=%s, c=%s, d=%s',
                  old.rowid, quote(old.a), quote(old.b), quote(old.c),
                  quote(old.d)));
    END;
    CREATE TEMP TRIGGER xt1_ins AFTER INSERT ON xt1 BEGIN
      INSERT INTO chnglog VALUES(
           printf('INSERT t1:  rowid=%d, a=%s, b=%s, c=%s, d=%s',
                  new.rowid, quote(new.a), quote(new.b), quote(new.c),
                  quote(new.d)));
    END;
  }
} {}

# The xt1 table has separate xt1.rowid and xt1.a columns.  The xt1.rowid
# column corresponds to t1.rowid and t1.a, but the xt1.a column is always
# NULL
#
do_execsql_test imposter-1.1 {
  SELECT rowid FROM xt1 WHERE a IS NOT NULL;
} {}
do_execsql_test imposter-1.2 {
  SELECT a,b,c,d FROM t1 EXCEPT SELECT rowid,b,c,d FROM xt1;
  SELECT rowid,b,c,d FROM xt1 EXCEPT SELECT a,b,c,d FROM t1;
} {}


# Make changes via the xt1 shadow table.  This will not update the
# indexes on t1 nor check the uniqueness constraint on t1.c nor check
# the NOT NULL constraint on t1.d, resulting in a logically inconsistent
# database.
#
do_execsql_test imposter-1.3 {
  DELETE FROM xt1 WHERE rowid=5;
  INSERT INTO xt1(rowid,a,b,c,d) VALUES(99,'hello',1099,2022,NULL);
  SELECT * FROM chnglog ORDER BY rowid;
} [list \
  {DELETE t1: rowid=5, a=NULL, b=1005, c=2005, d=3005} \
  {INSERT t1:  rowid=99, a='hello', b=1099, c=2022, d=NULL} \
]

do_execsql_test imposter-1.4a {
  PRAGMA integrity_check;
} {/NULL value in t1.d/}
do_execsql_test imposter-1.4b {
  PRAGMA integrity_check;
} {/row # missing from index t1b/}
do_execsql_test imposter-1.4c {
  PRAGMA integrity_check;
} {/row # missing from index t1c/}

# Cleanup the corruption.
# Then demonstrate that the xt1c imposter table can insert non-unique
# and NULL values into the UNIQUE index.
#
do_execsql_test imposter-2.0 {
  DELETE FROM t1;
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
   INSERT INTO t1(a,b,c,d) SELECT i,i,i,i FROM c;
  UPDATE xt1c SET c=NULL WHERE rowid=5;
  PRAGMA integrity_check;
} {/row # missing from index t1c/}

do_execsql_test imposter-2.1 {
  DELETE FROM t1;
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
   INSERT INTO t1(a,b,c,d) SELECT i,i,i,i FROM c;
  UPDATE xt1c SET c=99 WHERE rowid IN (5,7,9);
  SELECT c FROM t1 ORDER BY c;
} {1 2 3 4 6 8 10 99 99 99}
do_execsql_test imposter-2.2 {
  UPDATE xt1 SET c=99 WHERE rowid IN (5,7,9);
  PRAGMA integrity_check;
} {/non-unique entry in index t1c/}

# Erase the imposter tables
#
do_test imposter-3.1 {
  sqlite3_test_control SQLITE_TESTCTRL_IMPOSTER db main 0 1
  db eval {
    DELETE FROM t1 WHERE rowid IN (5,7,9);
    PRAGMA integrity_check;
  }
} {ok}


finish_test

Changes to test/incrblob2.test. 

319
320
321
322
323
324
325









326
327
328
329
330
331













332
333
334
335
336
337
338

  close $rdHandle
} {}

do_test incrblob2-6.2 {
  set rdHandle [db incrblob -readonly t1 data 1]
  sqlite3_blob_read $rdHandle 0 2
} {AB}










do_test incrblob2-6.3 {
  set wrHandle [db incrblob t1 data 1]
  sqlite3_blob_write $wrHandle 0 ZZZZZZZZZZ
  sqlite3_blob_read $rdHandle 2 4
} {ZZZZ}














do_test incrblob2-6.4 {
  close $wrHandle
  close $rdHandle
} {}

sqlite3_memory_highwater 1








>
>
>
>
>
>
>
>
>






>
>
>
>
>
>
>
>
>
>
>
>
>








319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360

  close $rdHandle
} {}

do_test incrblob2-6.2 {
  set rdHandle [db incrblob -readonly t1 data 1]
  sqlite3_blob_read $rdHandle 0 2
} {AB}

do_test incrblob2-6.2b {
  set rc [catch {
    # Prior to 2015-02-07, the following caused a segfault due to
    # integer overflow.
    sqlite3_blob_read $rdHandle 2147483647 2147483647
  } errmsg]
  lappend rc $errmsg
} {1 SQLITE_ERROR}

do_test incrblob2-6.3 {
  set wrHandle [db incrblob t1 data 1]
  sqlite3_blob_write $wrHandle 0 ZZZZZZZZZZ
  sqlite3_blob_read $rdHandle 2 4
} {ZZZZ}

do_test incrblob2-6.3b {
  set rc [catch {
    # Prior to 2015-02-07, the following caused a segfault due to
    # integer overflow.
    sqlite3_blob_write $wrHandle 2147483647 YYYYYYYYYYYYYYYYYY
  } errmsg]
  lappend rc $errmsg
} {1 SQLITE_ERROR}
do_test incrblob2-6.3c {
  sqlite3_blob_read $rdHandle 2 4
} {ZZZZ}


do_test incrblob2-6.4 {
  close $wrHandle
  close $rdHandle
} {}

sqlite3_memory_highwater 1

Changes to test/incrvacuum2.test. 

184
185
186
187
188
189
190
191
192



193
194
195
196
197
198
199

    DELETE FROM t1;
  }

  do_test 4.2 {
    execsql { 
      PRAGMA journal_mode = WAL;
      PRAGMA incremental_vacuum(1);
      PRAGMA wal_checkpoint;
    }



    file size test.db-wal
  } [expr {32+2*(512+24)}]

  do_test 4.3 {
    db close
    sqlite3 db test.db
    set maxsz 0








<

>
>
>








184
185
186
187
188
189
190

191
192
193
194
195
196
197
198
199
200
201

    DELETE FROM t1;
  }

  do_test 4.2 {
    execsql { 
      PRAGMA journal_mode = WAL;
      PRAGMA incremental_vacuum(1);

    }
  } {wal}
  do_test 4.2.1 {
    execsql { PRAGMA wal_checkpoint }
    file size test.db-wal
  } [expr {32+2*(512+24)}]

  do_test 4.3 {
    db close
    sqlite3 db test.db
    set maxsz 0

Changes to test/index6.test. 

263
264
265
266
267
268
269




270























































271

  UPDATE OR REPLACE t6 SET b=789;
  SELECT * FROM t6;
} {123 789}
do_execsql_test index6-6.2 {
  PRAGMA integrity_check;
} {ok}





























































finish_test








>
>
>
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330

  UPDATE OR REPLACE t6 SET b=789;
  SELECT * FROM t6;
} {123 789}
do_execsql_test index6-6.2 {
  PRAGMA integrity_check;
} {ok}

# Test case for ticket [2326c258d02ead33d69faa63de8f4686b9b1b9d9] on
# 2015-02-24.  Any use of a partial index qualifying constraint inside
# the ON clause of a LEFT JOIN was causing incorrect results for all
# versions of SQLite 3.8.0 through 3.8.8.
#
do_execsql_test index6-7.0 {
  CREATE TABLE t7a(x);
  CREATE TABLE t7b(y);
  INSERT INTO t7a(x) VALUES(1);
  CREATE INDEX t7ax ON t7a(x) WHERE x=99;
  PRAGMA automatic_index=OFF;
  SELECT * FROM t7a LEFT JOIN t7b ON (x=99) ORDER BY x;
} {1 {}}
do_execsql_test index6-7.1 {
  INSERT INTO t7b(y) VALUES(2);
  SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {}
do_execsql_test index6-7.2 {
  INSERT INTO t7a(x) VALUES(99);
  SELECT * FROM t7a LEFT JOIN t7b ON (x=99) ORDER BY x;
} {1 {} 99 2}
do_execsql_test index6-7.3 {
  SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {99 2}
do_execsql_test index6-7.4 {
  EXPLAIN QUERY PLAN
  SELECT * FROM t7a JOIN t7b ON (x=99) ORDER BY x;
} {/USING COVERING INDEX t7ax/}


do_execsql_test index6-8.0 {
  CREATE TABLE t8a(a,b);
  CREATE TABLE t8b(x,y);
  CREATE INDEX i8c ON t8b(y) WHERE x = 'value';

  INSERT INTO t8a VALUES(1, 'one');
  INSERT INTO t8a VALUES(2, 'two');
  INSERT INTO t8a VALUES(3, 'three');

  INSERT INTO t8b VALUES('value', 1);
  INSERT INTO t8b VALUES('dummy', 2);
  INSERT INTO t8b VALUES('value', 3);
  INSERT INTO t8b VALUES('dummy', 4);
} {}

do_eqp_test index6-8.1 {
  SELECT * FROM t8a LEFT JOIN t8b ON (x = 'value' AND y = a)
} {
  0 0 0 {SCAN TABLE t8a} 
  0 1 1 {SEARCH TABLE t8b USING INDEX i8c (y=?)}
}

do_execsql_test index6-8.2 {
  SELECT * FROM t8a LEFT JOIN t8b ON (x = 'value' AND y = a)
} {
  1 one value 1 
  2 two {} {} 
  3 three value 3
}

finish_test

Changes to test/mallocK.test. 

129
130
131
132
133
134
135










136
137
138


do_faultsim_test 6 -faults oom* -body {
  db cache flush
  db eval { SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx' }
} -test {
  faultsim_test_result {0 {12 13 14 15}} 
}











finish_test









>
>
>
>
>
>
>
>
>
>




129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148


do_faultsim_test 6 -faults oom* -body {
  db cache flush
  db eval { SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx' }
} -test {
  faultsim_test_result {0 {12 13 14 15}} 
}

do_execsql_test 7.1 {
  CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
}
do_faultsim_test 7.2 -faults oom* -body {
  execsql { SELECT * FROM x1 WHERE a = (SELECT 1) }
} -test {
  faultsim_test_result [list 0 {}]
}


finish_test

Changes to test/misc1.test. 

616
617
618
619
620
621
622
623










624

  sqlite3_test_control_fault_install fault_callback
  set fault_callbacks
} {0}
do_test misc1-19.2 {
  sqlite3_test_control_fault_install
  set fault_callbacks
} {0}











finish_test









>
>
>
>
>
>
>
>
>
>


616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634

  sqlite3_test_control_fault_install fault_callback
  set fault_callbacks
} {0}
do_test misc1-19.2 {
  sqlite3_test_control_fault_install
  set fault_callbacks
} {0}

# 2015-01-26:  Valgrind-detected over-read.
# Reported on sqlite-users@sqlite.org by Michal Zalewski.  Found by afl-fuzz
# presumably.
#
do_execsql_test misc1-20.1 {
  CREATE TABLE t0(x INTEGER DEFAULT(0==0) NOT NULL);
  REPLACE INTO t0(x) VALUES('');
  SELECT rowid, quote(x) FROM t0;
} {1 ''}

finish_test

Added test/orderby8.test. 





















































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

# 2015-01-19
#
# 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 regression tests for SQLite library.  The
# focus of this file is testing ORDER BY and LIMIT on tables with
# many columns.
#
# These tests verify that ticket [f97c4637102a3ae72b7911167e1d4da12ce60722]
# from 2015-01-19 has been fixed.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix orderby8

do_test 1.0 {
  db eval {
    CREATE TABLE t1(x);
    INSERT INTO t1(x) VALUES(1),(5),(9),(7),(3),(2),(4),(6),(8);
  }
  set ::result_set "x"
} {x}
for {set i 1} {$i<200} {incr i} {
  append ::result_set ", x+$i"
  do_test 1.$i {
    set res {}
    db eval "SELECT $::result_set FROM t1 ORDER BY x LIMIT -1" {
      lappend res $x
    }
    set res
  } {1 2 3 4 5 6 7 8 9}
}

finish_test

Changes to test/pragma.test. 

46
47
48
49
50
51
52
























53
54
55
56
57
58
59
...
616
617
618
619
620
621
622
623
624
625

626
627
628
629
630
631
632
633


634
635

636
637
638
639
640
641
642
...
672
673
674
675
676
677
678
679
680



681
682
683
684
685
686
687
...
689
690
691
692
693
694
695
696
697
698

699
700
701
702
703
704
705
706
....
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714






1715
1716
1717
1718
1719
1720

1721
1722
1723
1724
1725
1726
1727

#              directive - if it is present.
#

ifcapable !pragma {
  finish_test
  return
}

























# Delete the preexisting database to avoid the special setup
# that the "all.test" script does.
#
db close
delete_file test.db test.db-journal
delete_file test3.db test3.db-journal
................................................................................
  } {}
  do_test pragma-6.3.4 {
    execsql {
      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    execsql {
      pragma index_list(t3);
    }

  } {0 sqlite_autoindex_t3_1 1}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);


    pragma index_info(t3i1);
  }

} {0 0 a 1 1 b}
do_test pragma-6.5.2 {
  execsql {
    pragma index_info(t3i1_bogus);
  }
} {}

................................................................................
    CREATE TABLE test_table(
      one INT NOT NULL DEFAULT -1, 
      two text,
      three VARCHAR(45, 65) DEFAULT 'abcde',
      four REAL DEFAULT X'abcdef',
      five DEFAULT CURRENT_TIME
    );
    PRAGMA table_info(test_table);
  }



} [concat \
  {0 one INT 1 -1 0} \
  {1 two text 0 {} 0} \
  {2 three {VARCHAR(45, 65)} 0 'abcde' 0} \
  {3 four REAL 0 X'abcdef' 0} \
  {4 five {} 0 CURRENT_TIME 0} \
]
................................................................................
# Miscellaneous tests
#
ifcapable schema_pragmas {
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db
  execsql {
    pragma index_list(t3);
  }

} {0 t3i1 0 1 sqlite_autoindex_t3_1 1}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 t2}
do_test 23.2 {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  db2 eval {PRAGMA index_info(i2)}
} {0 2 c 1 3 d 2 1 b}






do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  db2 eval {PRAGMA index_list(t1)}
} {0 i3 0 1 i2 0 2 i1 0}

do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|


>








>
>


>







 







<

>
>
>







 







<
|
<
>
|







 







|




|
|
>
>
>
>
>
>




|
|
>








46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
...
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
...
700
701
702
703
704
705
706

707
708
709
710
711
712
713
714
715
716
717
...
719
720
721
722
723
724
725

726

727
728
729
730
731
732
733
734
735
....
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763

#              directive - if it is present.
#

ifcapable !pragma {
  finish_test
  return
}

# Capture the output of a pragma in a TEMP table.
#
proc capture_pragma {db tabname sql} {
  $db eval "DROP TABLE IF EXISTS temp.$tabname"
  set once 1
  $db eval $sql x {
    if {$once} {
      set once 0
      set ins "INSERT INTO $tabname VALUES"
      set crtab "CREATE TEMP TABLE $tabname "
      set sep "("
      foreach col $x(*) {
        append ins ${sep}\$x($col)
        append crtab ${sep}\"$col\"
        set sep ,
      }
      append ins )
      append crtab )
      $db eval $crtab
    }
    $db eval $ins
  }
}

# Delete the preexisting database to avoid the special setup
# that the "all.test" script does.
#
db close
delete_file test.db test.db-journal
delete_file test3.db test3.db-journal
................................................................................
  } {}
  do_test pragma-6.3.4 {
    execsql {
      pragma foreign_key_list(t5);
    }
  } {}
  do_test pragma-6.4 {
    capture_pragma db out {
      pragma index_list(t3);
    }
    db eval {SELECT seq, "name", "unique" FROM out ORDER BY seq}
  } {0 sqlite_autoindex_t3_1 1}
}
ifcapable {!foreignkey} {
  execsql {CREATE TABLE t3(a,b UNIQUE)}
}
do_test pragma-6.5.1 {
  execsql {
    CREATE INDEX t3i1 ON t3(a,b);
  }
  capture_pragma db out {
    pragma index_info(t3i1);
  }
  db eval {SELECT seqno, cid, name FROM out ORDER BY seqno}
} {0 0 a 1 1 b}
do_test pragma-6.5.2 {
  execsql {
    pragma index_info(t3i1_bogus);
  }
} {}

................................................................................
    CREATE TABLE test_table(
      one INT NOT NULL DEFAULT -1, 
      two text,
      three VARCHAR(45, 65) DEFAULT 'abcde',
      four REAL DEFAULT X'abcdef',
      five DEFAULT CURRENT_TIME
    );

  }
  capture_pragma db out {PRAGMA table_info(test_table)}
  db eval {SELECT cid, "name", type, "notnull", dflt_value, pk FROM out
            ORDER BY cid}
} [concat \
  {0 one INT 1 -1 0} \
  {1 two text 0 {} 0} \
  {2 three {VARCHAR(45, 65)} 0 'abcde' 0} \
  {3 four REAL 0 X'abcdef' 0} \
  {4 five {} 0 CURRENT_TIME 0} \
]
................................................................................
# Miscellaneous tests
#
ifcapable schema_pragmas {
do_test pragma-7.1.1 {
  # Make sure a pragma knows to read the schema if it needs to
  db close
  sqlite3 db test.db

  capture_pragma db out "PRAGMA index_list(t3)"

  db eval {SELECT name, "origin" FROM out ORDER BY name DESC}
} {t3i1 c sqlite_autoindex_t3_1 u}
do_test pragma-7.1.2 {
  execsql {
    pragma index_list(t3_bogus);
  }
} {}
} ;# ifcapable schema_pragmas
ifcapable {utf16} {
................................................................................
    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
    CREATE INDEX i1 ON t1(b,c);
    CREATE INDEX i2 ON t1(c,d);
    CREATE TABLE t2(x INTEGER REFERENCES t1);
  }
  db2 eval {SELECT name FROM sqlite_master}
} {t1 i1 i2 t2}
do_test 23.2a {
  db eval {
    DROP INDEX i2;
    CREATE INDEX i2 ON t1(c,d,b);
  }
  capture_pragma db2 out {PRAGMA index_info(i2)}
  db2 eval {SELECT cid, name, "desc", coll, "key", '|' FROM out ORDER BY seqno}
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 |}
do_test 23.2b {
breakpoint;
  capture_pragma db2 out {PRAGMA index_xinfo(i2)}
  db2 eval {SELECT cid, name, "desc", coll, "key", '|' FROM out ORDER BY seqno}
} {2 c 0 BINARY 1 | 3 d 0 BINARY 1 | 1 b 0 BINARY 1 | -1 {} 0 BINARY 0 |}
do_test 23.3 {
  db eval {
    CREATE INDEX i3 ON t1(d,b,c);
  }
  capture_pragma db2 out {PRAGMA index_list(t1)}
  db2 eval {SELECT name, "unique", origin FROM out ORDER BY seq}
} {i3 0 c i2 0 c i1 0 c}
do_test 23.4 {
  db eval {
    ALTER TABLE t1 ADD COLUMN e;
  }
  db2 eval {
    PRAGMA table_info(t1);
  }

Changes to test/select6.test. 

552
553
554
555
556
557
558
559



560





















































561

do_catchsql_test 10.8 {
  SELECT * FROM (
    SELECT * FROM k UNION ALL
    SELECT * FROM t UNION ALL 
    SELECT l,m,l FROM j 
  )
} $err


























































finish_test









>
>
>
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617

do_catchsql_test 10.8 {
  SELECT * FROM (
    SELECT * FROM k UNION ALL
    SELECT * FROM t UNION ALL 
    SELECT l,m,l FROM j 
  )
} $err

# 2015-02-09 Ticket [2f7170d73bf9abf80339187aa3677dce3dbcd5ca]
# "misuse of aggregate" error if aggregate column from FROM
# subquery is used in correlated subquery 
#
do_execsql_test 11.1 {
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(w INT, x INT);
  INSERT INTO t1(w,x)
   VALUES(1,10),(2,20),(3,30),
         (2,21),(3,31),
         (3,32);
  CREATE INDEX t1wx ON t1(w,x);

  DROP TABLE IF EXISTS t2;
  CREATE TABLE t2(w INT, y VARCHAR(8));
  INSERT INTO t2(w,y) VALUES(1,'one'),(2,'two'),(3,'three'),(4,'four');
  CREATE INDEX t2wy ON t2(w,y);

  SELECT cnt, xyz, (SELECT y FROM t2 WHERE w=cnt), '|'
    FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
   ORDER BY cnt, xyz;
} {1 1 one | 2 2 two | 3 3 three |}
do_execsql_test 11.2 {
  SELECT cnt, xyz, lower((SELECT y FROM t2 WHERE w=cnt)), '|'
    FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
   ORDER BY cnt, xyz;
} {1 1 one | 2 2 two | 3 3 three |}
do_execsql_test 11.3 {
  SELECT cnt, xyz, '|'
    FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
   WHERE (SELECT y FROM t2 WHERE w=cnt)!='two'
   ORDER BY cnt, xyz;
} {1 1 | 3 3 |}
do_execsql_test 11.4 {
  SELECT cnt, xyz, '|'
    FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
   ORDER BY lower((SELECT y FROM t2 WHERE w=cnt));
} {1 1 | 3 3 | 2 2 |}
do_execsql_test 11.5 {
  SELECT cnt, xyz, 
         CASE WHEN (SELECT y FROM t2 WHERE w=cnt)=='two'
              THEN 'aaa' ELSE 'bbb'
          END, '|'
    FROM (SELECT count(*) AS cnt, w AS xyz FROM t1 GROUP BY 2)
   ORDER BY +cnt;
} {1 1 bbb | 2 2 aaa | 3 3 bbb |}

do_execsql_test 11.100 {
  DROP TABLE t1;
  DROP TABLE t2;
  CREATE TABLE t1(x);
  CREATE TABLE t2(y, z);
  SELECT ( SELECT y FROM t2 WHERE z = cnt )
    FROM ( SELECT count(*) AS cnt FROM t1 );
} {{}}


finish_test

Changes to test/shell1.test. 

402
403
404
405
406
407
408
409
410
411
412
413
414
415



416
417
418
419
420
421
422
423
424
425
426
427
428

#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell1-3.11.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Usage: .import FILE TABLE}}

# .indices ?TABLE?       Show names of all indices
#                          If TABLE specified, only show indices for tables
#                          matching LIKE pattern TABLE.
do_test shell1-3.12.1 {
  catchcmd "test.db" ".indices"
} {0 {}}
do_test shell1-3.12.2 {



  catchcmd "test.db" ".indices FOO"
} {0 {}}
do_test shell1-3.12.3 {
  # too many arguments
  catchcmd "test.db" ".indices FOO BAD"
} {1 {Usage: .indices ?LIKE-PATTERN?}}

# .mode MODE ?TABLE?     Set output mode where MODE is one of:
#                          ascii    Columns/rows delimited by 0x1F and 0x1E
#                          csv      Comma-separated values
#                          column   Left-aligned columns.  (See .width)
#                          html     HTML <table> code
#                          insert   SQL insert statements for TABLE








|
|


|


>
>
>




|
|








402
403
404
405
406
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

#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell1-3.11.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Usage: .import FILE TABLE}}

# .indexes ?TABLE?       Show names of all indexes
#                          If TABLE specified, only show indexes for tables
#                          matching LIKE pattern TABLE.
do_test shell1-3.12.1 {
  catchcmd "test.db" ".indexes"
} {0 {}}
do_test shell1-3.12.2 {
  catchcmd "test.db" ".indexes FOO"
} {0 {}}
do_test shell1-3.12.2-legacy {
  catchcmd "test.db" ".indices FOO"
} {0 {}}
do_test shell1-3.12.3 {
  # too many arguments
  catchcmd "test.db" ".indexes FOO BAD"
} {1 {Usage: .indexes ?LIKE-PATTERN?}}

# .mode MODE ?TABLE?     Set output mode where MODE is one of:
#                          ascii    Columns/rows delimited by 0x1F and 0x1E
#                          csv      Comma-separated values
#                          column   Left-aligned columns.  (See .width)
#                          html     HTML <table> code
#                          insert   SQL insert statements for TABLE

Changes to test/shell5.test. 

401
402
403
404
405
406
407






























408

SELECT * FROM t5;
  }]
  # Handle platform end-of-line differences
  regsub -all {[\n\r]?\n} $x <EOL> x
  set x
} "0 \{\"test 1\"\x1F,test 2<EOL>\x1Etest 3\x1Ftest 4<EOL>\x1E\}"































finish_test








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


401
402
403
404
405
406
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
433
434
435
436
437
438

SELECT * FROM t5;
  }]
  # Handle platform end-of-line differences
  regsub -all {[\n\r]?\n} $x <EOL> x
  set x
} "0 \{\"test 1\"\x1F,test 2<EOL>\x1Etest 3\x1Ftest 4<EOL>\x1E\}"

do_test shell5-4.1 {
  forcedelete shell5.csv
  set fd [open shell5.csv w]
  puts $fd "1,2,3"
  puts $fd "4,5"
  puts $fd "6,7,8"
  close $fd
  catchcmd test.db [string trim {
.mode csv
CREATE TABLE t6(a, b, c);
.import shell5.csv t6
  }]
  db eval { SELECT * FROM t6 ORDER BY a }
} {1 2 3 4 5 {} 6 7 8}

do_test shell5-4.2 {
  forcedelete shell5.csv
  set fd [open shell5.csv w]
  puts $fd "1,2,3"
  puts $fd "4,5"
  puts $fd "6,7,8,9"
  close $fd
  catchcmd test.db [string trim {
.mode csv
CREATE TABLE t7(a, b, c);
.import shell5.csv t7
  }]
  db eval { SELECT * FROM t7 ORDER BY a }
} {1 2 3 4 5 {} 6 7 8}

finish_test

Changes to test/speedtest1.c. 

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

  "Options:\n"
  "  --autovacuum        Enable AUTOVACUUM mode\n"
  "  --cachesize N       Set the cache size to N\n" 
  "  --exclusive         Enable locking_mode=EXCLUSIVE\n"
  "  --explain           Like --sqlonly but with added EXPLAIN keywords\n"
  "  --heap SZ MIN       Memory allocator uses SZ bytes & min allocation MIN\n"
  "  --incrvacuum        Enable incremenatal vacuum mode\n"
  "  --journalmode M     Set the journal_mode to MODE\n"
  "  --key KEY           Set the encryption key to KEY\n"
  "  --lookaside N SZ    Configure lookaside for N slots of SZ bytes each\n"
  "  --nosync            Set PRAGMA synchronous=OFF\n"
  "  --notnull           Add NOT NULL constraints to table columns\n"
  "  --pagesize N        Set the page size to N\n"
  "  --pcache N SZ       Configure N pages of pagecache each of size SZ bytes\n"
  "  --primarykey        Use PRIMARY KEY instead of UNIQUE where appropriate\n"








|








8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

  "Options:\n"
  "  --autovacuum        Enable AUTOVACUUM mode\n"
  "  --cachesize N       Set the cache size to N\n" 
  "  --exclusive         Enable locking_mode=EXCLUSIVE\n"
  "  --explain           Like --sqlonly but with added EXPLAIN keywords\n"
  "  --heap SZ MIN       Memory allocator uses SZ bytes & min allocation MIN\n"
  "  --incrvacuum        Enable incremenatal vacuum mode\n"
  "  --journal M         Set the journal_mode to M\n"
  "  --key KEY           Set the encryption key to KEY\n"
  "  --lookaside N SZ    Configure lookaside for N slots of SZ bytes each\n"
  "  --nosync            Set PRAGMA synchronous=OFF\n"
  "  --notnull           Add NOT NULL constraints to table columns\n"
  "  --pagesize N        Set the page size to N\n"
  "  --pcache N SZ       Configure N pages of pagecache each of size SZ bytes\n"
  "  --primarykey        Use PRIMARY KEY instead of UNIQUE where appropriate\n"

Changes to test/wal5.test. 

386
387
388
389
390
391
392
393



394

395













































































396


    do_test 4.$tn.5 {
      sql2 { INSERT INTO t1 VALUES('a', 'b') }
      file size test.db-wal
    } [wal_file_size 2 1024]

  }
}



















































































finish_test








|
>
>
>
|
>

>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>


386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477


    do_test 4.$tn.5 {
      sql2 { INSERT INTO t1 VALUES('a', 'b') }
      file size test.db-wal
    } [wal_file_size 2 1024]

  }
  
  # Test that FULL, RESTART and TRUNCATE callbacks block on other clients
  # and truncate the wal file as required even if the entire wal file has
  # already been checkpointed when they are invoked.
  #
  do_multiclient_test tn {

    code1 $do_wal_checkpoint
    code2 $do_wal_checkpoint
    code3 $do_wal_checkpoint

    do_test 5.$tn.1 {
      sql1 {
        PRAGMA page_size = 1024;
        PRAGMA auto_vacuum = 0;
        PRAGMA journal_mode = WAL;
        PRAGMA synchronous = normal;
        CREATE TABLE t1(x, y);
        CREATE INDEX i1 ON t1(x, y);
        INSERT INTO t1 VALUES(1, 2);
        INSERT INTO t1 VALUES(3, 4);
        INSERT INTO t1 VALUES(5, 6);
      }
      file size test.db-wal
    } [wal_file_size 10 1024]

    do_test 5.$tn.2 { 
      sql2 { BEGIN; SELECT * FROM t1 }
    } {1 2 3 4 5 6}

    do_test 5.$tn.3 { do_wal_checkpoint db -mode passive } {0 10 10}

    do_test 5.$tn.4 { 
      sql3 { BEGIN; INSERT INTO t1 VALUES(7, 8); }
    } {}

    do_test 5.$tn.5 { do_wal_checkpoint db -mode passive  } {0 10 10}
    do_test 5.$tn.6 { do_wal_checkpoint db -mode full     } {1 10 10}

    do_test 5.$tn.7 { sql3 { ROLLBACK } } {}

    do_test 5.$tn.8 { do_wal_checkpoint db -mode full     } {0 10 10}
    do_test 5.$tn.9 { do_wal_checkpoint db -mode truncate } {1 10 10}

    do_test 5.$tn.10 { 
      file size test.db-wal
    } [wal_file_size 10 1024]

    proc xBusyHandler {n} { sql2 { COMMIT } ; return 0 }
    db busy xBusyHandler

    do_test 5.$tn.11 { do_wal_checkpoint db -mode truncate } {0 0 0}
    do_test 5.$tn.12 { file size test.db-wal } 0

    do_test 5.$tn.13 {
      sql1 {
        INSERT INTO t1 VALUES(7, 8);
        INSERT INTO t1 VALUES(9, 10);
        SELECT * FROM t1;
      }
    } {1 2 3 4 5 6 7 8 9 10}

    do_test 5.$tn.14 { 
      sql2 { BEGIN; SELECT * FROM t1 }
    } {1 2 3 4 5 6 7 8 9 10}

    proc xBusyHandler {n} { return 1 }
    do_test 5.$tn.15 { do_wal_checkpoint db -mode truncate } {1 4 4}
    do_test 5.$tn.16 { file size test.db-wal } [wal_file_size 4 1024]

    do_test 5.$tn.17 { do_wal_checkpoint db -mode restart } {1 4 4}

    proc xBusyHandler {n} { sql2 { COMMIT } ; return 0 }
    db busy xBusyHandler
    do_test 5.$tn.18 { do_wal_checkpoint db -mode restart } {0 4 4}
    do_test 5.$tn.19 { file size test.db-wal } [wal_file_size 4 1024]

    do_test 5.$tn.20 { do_wal_checkpoint db -mode truncate } {0 0 0}
    do_test 5.$tn.21 { file size test.db-wal } 0
  }

}


finish_test

Changes to tool/mkpragmatab.tcl. 

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
...
201
202
203
204
205
206
207








208
209
210
211
212
213
214
...
304
305
306
307
308
309
310
311














312
313
314
315
316
317
318
...
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447

#!/usr/bin/tclsh
#
# Run this script to generate the pragma name lookup table C code.
#
# To add new pragmas, first add the name and other relevant attributes
# of the pragma to the "pragma_def" object below.  Then run this script
# to generate the C-code for the lookup table and copy/paste the output
# of this script into the appropriate spot in the pragma.c source file.
# Then add the extra "case PragTyp_XXXXX:" and subsequent code for the
# new pragma.
#

set pragma_def {
  NAME: full_column_names
  TYPE: FLAG
  ARG:  SQLITE_FullColNames
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)
................................................................................
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info








  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

................................................................................
  NAME: activate_extensions
  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit

  NAME: threads
}
fconfigure stdout -translation lf














set name {}
set type {}
set if {}
set flags {}
set arg 0
proc record_one {} {
  global name type if arg allbyname typebyif flags
................................................................................
set pnum 0
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set if [lindex $allbyname($name) 2]
  if {[regexp SQLITE_DEBUG $if] || [regexp SQLITE_HAS_CODEC $if]} continue
  set seentype($type) 1
  puts [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set if [lindex $allbyname($name) 2]
  if {[regexp SQLITE_DEBUG $if]} continue
  set seentype($type) 1
  puts [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set seentype($type) 1
  puts [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}

# Generate #defines for flags
#
set fv 1
foreach f [lsort [array names allflags]] {
  puts [format {#define PragFlag_%-20s 0x%02x} $f $fv]
  set fv [expr {$fv*2}]
}

# Generate the lookup table
#
puts "static const struct sPragmaNames \173"
puts "  const char *const zName;  /* Name of pragma */"
puts "  u8 ePragTyp;              /* PragTyp_XXX value */"
puts "  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */"
puts "  u32 iArg;                 /* Extra argument */"
puts "\175 aPragmaNames\[\] = \173"

set current_if {}
set spacer [format {    %26s } {}]
foreach name $allnames {
  foreach {type arg if flag} $allbyname($name) break
  if {$if!=$current_if} {
    if {$current_if!=""} {
      foreach this_if $current_if {
        puts "#endif"
      }
    }
    set current_if $if
    if {$current_if!=""} {
      foreach this_if $current_if {
        puts "#if $this_if"
      }
    }
  }
  set typex [format PragTyp_%-23s $type,]
  if {$flag==""} {
    set flagx "0"
  } else {
    set flagx PragFlag_[join $flag {|PragFlag_}]
  }
  puts "  \173 /* zName:     */ \"$name\","
  puts "    /* ePragTyp:  */ PragTyp_$type,"
  puts "    /* ePragFlag: */ $flagx,"
  puts "    /* iArg:      */ $arg \175,"
}
if {$current_if!=""} {
  foreach this_if $current_if {
    puts "#endif"
  }
}
puts "\175;"

# count the number of pragmas, for information purposes
#
set allcnt 0
set dfltcnt 0
foreach name $allnames {
  incr allcnt
  set if [lindex $allbyname($name) 2]
  if {[regexp {^defined} $if] || [regexp {[^!]defined} $if]} continue
  incr dfltcnt
}
puts "/* Number of pragmas: $dfltcnt on by default, $allcnt total. */"







|
|

|







 







>
>
>
>
>
>
>
>







 







<
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







|








|






|







|





|
|
|
|
|
|








|





|









|
|
|
|



|


|











|

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
...
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
...
312
313
314
315
316
317
318

319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
...
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468

#!/usr/bin/tclsh
#
# Run this script to generate the pragma name lookup table C code.
#
# To add new pragmas, first add the name and other relevant attributes
# of the pragma to the "pragma_def" object below.  Then run this script
# to generate the ../src/pragma.h header file that contains macros and
# the lookup table needed for pragma name lookup in the pragma.c module.
# Then add the extra "case PragTyp_XXXXX:" and subsequent code for the
# new pragma in ../src/pragma.c.
#

set pragma_def {
  NAME: full_column_names
  TYPE: FLAG
  ARG:  SQLITE_FullColNames
  IF:   !defined(SQLITE_OMIT_FLAG_PRAGMAS)
................................................................................
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: stats
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_info
  TYPE: INDEX_INFO
  ARG:  0
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_xinfo
  TYPE: INDEX_INFO
  ARG:  1
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

  NAME: index_list
  FLAG: NeedSchema
  IF:   !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)

................................................................................
  NAME: activate_extensions
  IF:   defined(SQLITE_HAS_CODEC) || defined(SQLITE_ENABLE_CEROD)

  NAME: soft_heap_limit

  NAME: threads
}


# Open the output file
#
set destfile "[file dir [file dir [file normal $argv0]]]/src/pragma.h"
puts "Overwriting $destfile with new pragma table..."
set fd [open $destfile wb]
puts $fd {/* DO NOT EDIT!
** This file is automatically generated by the script at
** ../tool/mkpragmatab.tcl.  To update the set of pragmas, edit
** that script and rerun it.
*/}

# Parse the PRAGMA table above.
#
set name {}
set type {}
set if {}
set flags {}
set arg 0
proc record_one {} {
  global name type if arg allbyname typebyif flags
................................................................................
set pnum 0
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set if [lindex $allbyname($name) 2]
  if {[regexp SQLITE_DEBUG $if] || [regexp SQLITE_HAS_CODEC $if]} continue
  set seentype($type) 1
  puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set if [lindex $allbyname($name) 2]
  if {[regexp SQLITE_DEBUG $if]} continue
  set seentype($type) 1
  puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}
foreach name $allnames {
  set type [lindex $allbyname($name) 0]
  if {[info exists seentype($type)]} continue
  set seentype($type) 1
  puts $fd [format {#define %-35s %4d} PragTyp_$type $pnum]
  incr pnum
}

# Generate #defines for flags
#
set fv 1
foreach f [lsort [array names allflags]] {
  puts $fd [format {#define PragFlag_%-20s 0x%02x} $f $fv]
  set fv [expr {$fv*2}]
}

# Generate the lookup table
#
puts $fd "static const struct sPragmaNames \173"
puts $fd "  const char *const zName;  /* Name of pragma */"
puts $fd "  u8 ePragTyp;              /* PragTyp_XXX value */"
puts $fd "  u8 mPragFlag;             /* Zero or more PragFlag_XXX values */"
puts $fd "  u32 iArg;                 /* Extra argument */"
puts $fd "\175 aPragmaNames\[\] = \173"

set current_if {}
set spacer [format {    %26s } {}]
foreach name $allnames {
  foreach {type arg if flag} $allbyname($name) break
  if {$if!=$current_if} {
    if {$current_if!=""} {
      foreach this_if $current_if {
        puts $fd "#endif"
      }
    }
    set current_if $if
    if {$current_if!=""} {
      foreach this_if $current_if {
        puts $fd "#if $this_if"
      }
    }
  }
  set typex [format PragTyp_%-23s $type,]
  if {$flag==""} {
    set flagx "0"
  } else {
    set flagx PragFlag_[join $flag {|PragFlag_}]
  }
  puts $fd "  \173 /* zName:     */ \"$name\","
  puts $fd "    /* ePragTyp:  */ PragTyp_$type,"
  puts $fd "    /* ePragFlag: */ $flagx,"
  puts $fd "    /* iArg:      */ $arg \175,"
}
if {$current_if!=""} {
  foreach this_if $current_if {
    puts $fd "#endif"
  }
}
puts $fd "\175;"

# count the number of pragmas, for information purposes
#
set allcnt 0
set dfltcnt 0
foreach name $allnames {
  incr allcnt
  set if [lindex $allbyname($name) 2]
  if {[regexp {^defined} $if] || [regexp {[^!]defined} $if]} continue
  incr dfltcnt
}
puts $fd "/* Number of pragmas: $dfltcnt on by default, $allcnt total. */"

Changes to tool/mksqlite3c.tcl. 

106
107
108
109
110
111
112

113
114
115
116
117
118
119

   os_common.h
   os_setup.h
   os_win.h
   os.h
   pager.h
   parse.h
   pcache.h

   rtree.h
   sqlite3ext.h
   sqlite3.h
   sqliteicu.h
   sqliteInt.h
   sqliteLimit.h
   vdbe.h








>








106
107
108
109
110
111
112
113
114
115
116
117
118
119
120

   os_common.h
   os_setup.h
   os_win.h
   os.h
   pager.h
   parse.h
   pcache.h
   pragma.h
   rtree.h
   sqlite3ext.h
   sqlite3.h
   sqliteicu.h
   sqliteInt.h
   sqliteLimit.h
   vdbe.h

Changes to tool/spaceanal.tcl. 

1
2
3
4
5
6


















7
8
9
10
11
12
13
...
163
164
165
166
167
168
169

170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190

# 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.
#

if {[catch {


















# Get the name of the database to analyze
#
proc usage {} {
  set argv0 [file rootname [file tail [info nameofexecutable]]]
  puts stderr "Usage: $argv0 database-name"
  exit 1
}
................................................................................

set isCompressed 0
set compressOverhead 0
set sql { SELECT name, tbl_name FROM sqlite_master WHERE rootpage>0 }
foreach {name tblname} [concat sqlite_master sqlite_master [db eval $sql]] {

  set is_index [expr {$name!=$tblname}]

  db eval {
    SELECT 
      sum(ncell) AS nentry,
      sum(isleaf(pagetype, $is_index) * ncell) AS leaf_entries,
      sum(payload) AS payload,
      sum(isoverflow(pagetype, $is_index) * payload) AS ovfl_payload,
      sum(path LIKE '%+000000') AS ovfl_cnt,
      max(mx_payload) AS mx_payload,
      sum(isinternal(pagetype, $is_index)) AS int_pages,
      sum(isleaf(pagetype, $is_index)) AS leaf_pages,
      sum(isoverflow(pagetype, $is_index)) AS ovfl_pages,
      sum(isinternal(pagetype, $is_index) * unused) AS int_unused,
      sum(isleaf(pagetype, $is_index) * unused) AS leaf_unused,
      sum(isoverflow(pagetype, $is_index) * unused) AS ovfl_unused,
      sum(pgsize) AS compressed_size
    FROM temp.dbstat WHERE name = $name
  } break

  set total_pages [expr {$leaf_pages+$int_pages+$ovfl_pages}]
  set storage [expr {$total_pages*$pageSize}]
  if {!$isCompressed && $storage>$compressed_size} {







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







 







>



|

|


|
|
|
|
|
|








1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
...
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209

# 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.
#

if {[catch {

# Argument $tname is the name of a table within the database opened by
# database handle [db]. Return true if it is a WITHOUT ROWID table, or
# false otherwise.
#
proc is_without_rowid {tname} {
  set t [string map {' ''} $tname]
  db eval "PRAGMA index_list = '$t'" o {
    if {$o(origin) == "pk"} {
      set n $o(name)
      if {0==[db one { SELECT count(*) FROM sqlite_master WHERE name=$n }]} {
        return 1
      }
    }
  }
  return 0
}

# Get the name of the database to analyze
#
proc usage {} {
  set argv0 [file rootname [file tail [info nameofexecutable]]]
  puts stderr "Usage: $argv0 database-name"
  exit 1
}
................................................................................

set isCompressed 0
set compressOverhead 0
set sql { SELECT name, tbl_name FROM sqlite_master WHERE rootpage>0 }
foreach {name tblname} [concat sqlite_master sqlite_master [db eval $sql]] {

  set is_index [expr {$name!=$tblname}]
  set idx_btree [expr {$is_index || [is_without_rowid $name]}]
  db eval {
    SELECT 
      sum(ncell) AS nentry,
      sum(isleaf(pagetype, $idx_btree) * ncell) AS leaf_entries,
      sum(payload) AS payload,
      sum(isoverflow(pagetype, $idx_btree) * payload) AS ovfl_payload,
      sum(path LIKE '%+000000') AS ovfl_cnt,
      max(mx_payload) AS mx_payload,
      sum(isinternal(pagetype, $idx_btree)) AS int_pages,
      sum(isleaf(pagetype, $idx_btree)) AS leaf_pages,
      sum(isoverflow(pagetype, $idx_btree)) AS ovfl_pages,
      sum(isinternal(pagetype, $idx_btree) * unused) AS int_unused,
      sum(isleaf(pagetype, $idx_btree) * unused) AS leaf_unused,
      sum(isoverflow(pagetype, $idx_btree) * unused) AS ovfl_unused,
      sum(pgsize) AS compressed_size
    FROM temp.dbstat WHERE name = $name
  } break

  set total_pages [expr {$leaf_pages+$int_pages+$ovfl_pages}]
  set storage [expr {$total_pages*$pageSize}]
  if {!$isCompressed && $storage>$compressed_size} {

This page was generated in about 0.197s by Fossil 2.10 [44900415b1] 2019-09-21 17:50:15