AM_CFLAGS = @THREADSAFE_FLAGS@ @DYNAMIC_EXTENSION_FLAGS@ @FTS5_FLAGS@ @JSON1_FLAGS@ @ZLIB_FLAGS@ @SESSION_FLAGS@ -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_RTREE @DEBUG_FLAGS@

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

bin_PROGRAMS = sqlite3
sqlite3_SOURCES = shell.c sqlite3.h
EXTRA_sqlite3_SOURCES = sqlite3.c

AM_CFLAGS = @BUILD_CFLAGS@ 

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

bin_PROGRAMS = sqlite3
sqlite3_SOURCES = shell.c sqlite3.h
EXTRA_sqlite3_SOURCES = sqlite3.c

AC_PROG_MKDIR_P

# Check for library functions that SQLite can optionally use.
AC_CHECK_FUNCS([fdatasync usleep fullfsync localtime_r gmtime_r])
AC_FUNC_STRERROR_R

AC_CONFIG_FILES([Makefile sqlite3.pc])

AC_SUBST(BUILD_CFLAGS)

#-------------------------------------------------------------------------
# Two options to enable readline compatible libraries: 
#
#   --enable-editline
#   --enable-readline
................................................................................

#-----------------------------------------------------------------------
#   --enable-threadsafe
#
AC_ARG_ENABLE(threadsafe, [AS_HELP_STRING(
  [--enable-threadsafe], [build a thread-safe library [default=yes]])], 
  [], [enable_threadsafe=yes])
THREADSAFE_FLAGS=-DSQLITE_THREADSAFE=0
if test x"$enable_threadsafe" != "xno"; then
  THREADSAFE_FLAGS="-D_REENTRANT=1 -DSQLITE_THREADSAFE=1"
  AC_SEARCH_LIBS(pthread_create, pthread)
  AC_SEARCH_LIBS(pthread_mutexattr_init, pthread)
fi
AC_SUBST(THREADSAFE_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-dynamic-extensions
#
AC_ARG_ENABLE(dynamic-extensions, [AS_HELP_STRING(
  [--enable-dynamic-extensions], [support loadable extensions [default=yes]])], 
  [], [enable_dynamic_extensions=yes])
if test x"$enable_dynamic_extensions" != "xno"; then
  AC_SEARCH_LIBS(dlopen, dl)
else
  DYNAMIC_EXTENSION_FLAGS=-DSQLITE_OMIT_LOAD_EXTENSION=1
fi
AC_MSG_CHECKING([for whether to support dynamic extensions])
AC_MSG_RESULT($enable_dynamic_extensions)
AC_SUBST(DYNAMIC_EXTENSION_FLAGS)






















#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-fts5
#
AC_ARG_ENABLE(fts5, [AS_HELP_STRING(
  [--enable-fts5], [include fts5 support [default=yes]])], 
  [], [enable_fts5=yes])
if test x"$enable_fts5" = "xyes"; then
  AC_SEARCH_LIBS(log, m)
  FTS5_FLAGS=-DSQLITE_ENABLE_FTS5
fi
AC_SUBST(FTS5_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-json1
#
AC_ARG_ENABLE(json1, [AS_HELP_STRING(
  [--enable-json1], [include json1 support [default=yes]])], 
  [], [enable_json1=yes])
if test x"$enable_json1" = "xyes"; then
  JSON1_FLAGS=-DSQLITE_ENABLE_JSON1
fi
AC_SUBST(JSON1_FLAGS)











#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-session
#
AC_ARG_ENABLE(session, [AS_HELP_STRING(
  [--enable-session], [enable the session extension [default=no]])], 
  [], [enable_session=no])
if test x"$enable_session" = "xyes"; then
  SESSION_FLAGS="-DSQLITE_ENABLE_SESSION -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi
AC_SUBST(SESSION_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-debug
#
AC_ARG_ENABLE(debug, [AS_HELP_STRING(
  [--enable-debug], [build with debugging features enabled [default=no]])], 
  [], [enable_session=no])
if test x"$enable_debug" = "xyes"; then
  DEBUG_FLAGS="-DSQLITE_DEBUG -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE"

fi
AC_SUBST(DEBUG_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-static-shell
#
AC_ARG_ENABLE(static-shell, [AS_HELP_STRING(
  [--enable-static-shell], 
................................................................................
  EXTRA_SHELL_OBJ=libsqlite3.la
fi
AC_SUBST(EXTRA_SHELL_OBJ)
#-----------------------------------------------------------------------

AC_CHECK_FUNCS(posix_fallocate)
AC_CHECK_HEADERS(zlib.h,[
  AC_SEARCH_LIBS(deflate,z,[ZLIB_FLAGS="-DSQLITE_HAVE_ZLIB"])
])
AC_SUBST(ZLIB_FLAGS)

AC_SEARCH_LIBS(system,,,[SHELL_CFLAGS="-DSQLITE_NOHAVE_SYSTEM"])
AC_SUBST(SHELL_CFLAGS)

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

AC_PROG_MKDIR_P

# Check for library functions that SQLite can optionally use.
AC_CHECK_FUNCS([fdatasync usleep fullfsync localtime_r gmtime_r])
AC_FUNC_STRERROR_R

AC_CONFIG_FILES([Makefile sqlite3.pc])
BUILD_CFLAGS=
AC_SUBST(BUILD_CFLAGS)

#-------------------------------------------------------------------------
# Two options to enable readline compatible libraries: 
#
#   --enable-editline
#   --enable-readline
................................................................................

#-----------------------------------------------------------------------
#   --enable-threadsafe
#
AC_ARG_ENABLE(threadsafe, [AS_HELP_STRING(
  [--enable-threadsafe], [build a thread-safe library [default=yes]])], 
  [], [enable_threadsafe=yes])

if test x"$enable_threadsafe" != "xno"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -D_REENTRANT=1 -DSQLITE_THREADSAFE=1"
  AC_SEARCH_LIBS(pthread_create, pthread)
  AC_SEARCH_LIBS(pthread_mutexattr_init, pthread)
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-dynamic-extensions
#
AC_ARG_ENABLE(dynamic-extensions, [AS_HELP_STRING(
  [--enable-dynamic-extensions], [support loadable extensions [default=yes]])], 
  [], [enable_dynamic_extensions=yes])
if test x"$enable_dynamic_extensions" != "xno"; then
  AC_SEARCH_LIBS(dlopen, dl)
else
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_OMIT_LOAD_EXTENSION=1"
fi
AC_MSG_CHECKING([for whether to support dynamic extensions])
AC_MSG_RESULT($enable_dynamic_extensions)

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-fts4
#
AC_ARG_ENABLE(fts4, [AS_HELP_STRING(
  [--enable-fts4], [include fts4 support [default=yes]])], 
  [], [enable_fts4=yes])
if test x"$enable_fts4" = "xyes"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_ENABLE_FTS4"
fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-fts3
#
AC_ARG_ENABLE(fts3, [AS_HELP_STRING(
  [--enable-fts3], [include fts3 support [default=no]])], 
  [], [])
if test x"$enable_fts3" = "xyes" -a x"$enable_fts4" = "xno"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_ENABLE_FTS3"
fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-fts5
#
AC_ARG_ENABLE(fts5, [AS_HELP_STRING(
  [--enable-fts5], [include fts5 support [default=yes]])], 
  [], [enable_fts5=yes])
if test x"$enable_fts5" = "xyes"; then
  AC_SEARCH_LIBS(log, m)
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_ENABLE_FTS5"
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-json1
#
AC_ARG_ENABLE(json1, [AS_HELP_STRING(
  [--enable-json1], [include json1 support [default=yes]])], 
  [],[enable_json1=yes])
if test x"$enable_json1" = "xyes"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_ENABLE_JSON1"
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-rtree
#
AC_ARG_ENABLE(rtree, [AS_HELP_STRING(
  [--enable-rtree], [include rtree support [default=yes]])], 
  [], [enable_rtree=yes])
if test x"$enable_rtree" = "xyes"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_ENABLE_RTREE"
fi
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-session
#
AC_ARG_ENABLE(session, [AS_HELP_STRING(
  [--enable-session], [enable the session extension [default=no]])], 
  [], [])
if test x"$enable_session" = "xyes"; then
  BUILD_CFLAGS="$BUILD_CFLAGS-DSQLITE_ENABLE_SESSION -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-debug
#
AC_ARG_ENABLE(debug, [AS_HELP_STRING(
  [--enable-debug], [build with debugging features enabled [default=no]])], 
  [], [])
if test x"$enable_debug" = "xyes"; then
  BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_DEBUG -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE"
  CFLAGS="-g -O0"
fi

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-static-shell
#
AC_ARG_ENABLE(static-shell, [AS_HELP_STRING(
  [--enable-static-shell], 
................................................................................
  EXTRA_SHELL_OBJ=libsqlite3.la
fi
AC_SUBST(EXTRA_SHELL_OBJ)
#-----------------------------------------------------------------------

AC_CHECK_FUNCS(posix_fallocate)
AC_CHECK_HEADERS(zlib.h,[
  AC_SEARCH_LIBS(deflate,z,[BUILD_CFLAGS="$BUILD_CFLAGS -DSQLITE_HAVE_ZLIB"])
])


AC_SEARCH_LIBS(system,,,[SHELL_CFLAGS="-DSQLITE_NOHAVE_SYSTEM"])
AC_SUBST(SHELL_CFLAGS)

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

##########
# Do we want to support multithreaded use of sqlite
#
# Check whether --enable-threadsafe was given.
if test "${enable_threadsafe+set}" = set; then :
  enableval=$enable_threadsafe;
else
  enable_threadsafe=yes
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support threadsafe operation" >&5
$as_echo_n "checking whether to support threadsafe operation... " >&6; }
if test "$enable_threadsafe" = "no"; then
  SQLITE_THREADSAFE=0
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
................................................................................
fi


#########
# check for debug enabled
# Check whether --enable-debug was given.
if test "${enable_debug+set}" = set; then :
  enableval=$enable_debug; use_debug=$enableval
else
  use_debug=no
fi

if test "${use_debug}" = "yes" ; then
  TARGET_DEBUG="-DSQLITE_DEBUG=1 -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE -O0"
else
  TARGET_DEBUG="-DNDEBUG"
fi


#########
# See whether we should use the amalgamation to build
# Check whether --enable-amalgamation was given.
if test "${enable_amalgamation+set}" = set; then :
  enableval=$enable_amalgamation; use_amalgamation=$enableval
else
  use_amalgamation=yes
fi

if test "${use_amalgamation}" != "yes" ; then

  USE_AMALGAMATION=0
fi


#########
# Look for zlib.  Only needed by extensions and by the sqlite3.exe shell
for ac_header in zlib.h
................................................................................



#########
# See whether we should allow loadable extensions
# Check whether --enable-load-extension was given.
if test "${enable_load_extension+set}" = set; then :
  enableval=$enable_load_extension; use_loadextension=$enableval
else
  use_loadextension=yes
fi

if test "${use_loadextension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if ${ac_cv_search_dlopen+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
................................................................................
fi

##########
# Do we want to support memsys3 and/or memsys5
#
# Check whether --enable-memsys5 was given.
if test "${enable_memsys5+set}" = set; then :
  enableval=$enable_memsys5; enable_memsys5=yes
else
  enable_memsys5=no
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support MEMSYS5" >&5
$as_echo_n "checking whether to support MEMSYS5... " >&6; }
if test "${enable_memsys5}" = "yes"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS5"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
................................................................................
$as_echo "yes" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
# Check whether --enable-memsys3 was given.
if test "${enable_memsys3+set}" = set; then :
  enableval=$enable_memsys3; enable_memsys3=yes
else
  enable_memsys3=no
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support MEMSYS3" >&5
$as_echo_n "checking whether to support MEMSYS3... " >&6; }
if test "${enable_memsys3}" = "yes" -a "${enable_memsys5}" = "no"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS3"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
................................................................................
$as_echo "no" >&6; }
fi

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

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

if test "${enable_fts4}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS4"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
................................................................................
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

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

if test "${enable_fts5}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS5"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
................................................................................

fi

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

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

#########
# See whether we should enable the LIMIT clause on UPDATE and DELETE
# statements.
# Check whether --enable-update-limit was given.
if test "${enable_update_limit+set}" = set; then :
  enableval=$enable_update_limit; enable_udlimit=yes
else
  enable_udlimit=no
fi

if test "${enable_udlimit}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT"
fi

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

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

#########
# See whether we should enable the SESSION extension
# Check whether --enable-session was given.
if test "${enable_session+set}" = set; then :
  enableval=$enable_session; enable_session=yes
else
  enable_session=no
fi

if test "${enable_session}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_SESSION"
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi

................................................................................
BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS


#########
# See whether we should use GCOV
# Check whether --enable-gcov was given.
if test "${enable_gcov+set}" = set; then :
  enableval=$enable_gcov; use_gcov=$enableval
else
  use_gcov=no
fi

if test "${use_gcov}" = "yes" ; then
  USE_GCOV=1
else
  USE_GCOV=0
fi

##########
# Do we want to support multithreaded use of sqlite
#
# Check whether --enable-threadsafe was given.
if test "${enable_threadsafe+set}" = set; then :
  enableval=$enable_threadsafe;


fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support threadsafe operation" >&5
$as_echo_n "checking whether to support threadsafe operation... " >&6; }
if test "$enable_threadsafe" = "no"; then
  SQLITE_THREADSAFE=0
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
................................................................................
fi


#########
# check for debug enabled
# Check whether --enable-debug was given.
if test "${enable_debug+set}" = set; then :
  enableval=$enable_debug;


fi

if test "${enable_debug}" = "yes" ; then
  TARGET_DEBUG="-DSQLITE_DEBUG=1 -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE -O0"
else
  TARGET_DEBUG="-DNDEBUG"
fi


#########
# See whether we should use the amalgamation to build
# Check whether --enable-amalgamation was given.
if test "${enable_amalgamation+set}" = set; then :
  enableval=$enable_amalgamation;


fi


if test "${enable_amalgamation}" == "no" ; then
  USE_AMALGAMATION=0
fi


#########
# Look for zlib.  Only needed by extensions and by the sqlite3.exe shell
for ac_header in zlib.h
................................................................................



#########
# See whether we should allow loadable extensions
# Check whether --enable-load-extension was given.
if test "${enable_load_extension+set}" = set; then :
  enableval=$enable_load_extension;
else
  enable_load_extension=yes
fi

if test "${enable_load_extension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
$as_echo_n "checking for library containing dlopen... " >&6; }
if ${ac_cv_search_dlopen+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
................................................................................
fi

##########
# Do we want to support memsys3 and/or memsys5
#
# Check whether --enable-memsys5 was given.
if test "${enable_memsys5+set}" = set; then :
  enableval=$enable_memsys5;


fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support MEMSYS5" >&5
$as_echo_n "checking whether to support MEMSYS5... " >&6; }
if test "${enable_memsys5}" = "yes"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS5"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
................................................................................
$as_echo "yes" >&6; }
else
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
# Check whether --enable-memsys3 was given.
if test "${enable_memsys3+set}" = set; then :
  enableval=$enable_memsys3;


fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support MEMSYS3" >&5
$as_echo_n "checking whether to support MEMSYS3... " >&6; }
if test "${enable_memsys3}" = "yes" -a "${enable_memsys5}" = "no"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS3"
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
................................................................................
$as_echo "no" >&6; }
fi

#########
# See whether we should enable Full Text Search extensions
# Check whether --enable-fts3 was given.
if test "${enable_fts3+set}" = set; then :
  enableval=$enable_fts3;


fi

if test "${enable_fts3}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS3"
fi
# Check whether --enable-fts4 was given.
if test "${enable_fts4+set}" = set; then :
  enableval=$enable_fts4;


fi

if test "${enable_fts4}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS4"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
................................................................................
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi
# Check whether --enable-fts5 was given.
if test "${enable_fts5+set}" = set; then :
  enableval=$enable_fts5;


fi

if test "${enable_fts5}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS5"
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing log" >&5
$as_echo_n "checking for library containing log... " >&6; }
if ${ac_cv_search_log+:} false; then :
................................................................................

fi

#########
# See whether we should enable JSON1
# Check whether --enable-json1 was given.
if test "${enable_json1+set}" = set; then :
  enableval=$enable_json1;


fi

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

#########
# See whether we should enable the LIMIT clause on UPDATE and DELETE
# statements.
# Check whether --enable-update-limit was given.
if test "${enable_update_limit+set}" = set; then :
  enableval=$enable_update_limit;


fi

if test "${enable_udlimit}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT"
fi

#########
# See whether we should enable RTREE
# Check whether --enable-rtree was given.
if test "${enable_rtree+set}" = set; then :
  enableval=$enable_rtree;


fi

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

#########
# See whether we should enable the SESSION extension
# Check whether --enable-session was given.
if test "${enable_session+set}" = set; then :
  enableval=$enable_session;


fi

if test "${enable_session}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_SESSION"
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi

................................................................................
BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS


#########
# See whether we should use GCOV
# Check whether --enable-gcov was given.
if test "${enable_gcov+set}" = set; then :
  enableval=$enable_gcov;


fi

if test "${use_gcov}" = "yes" ; then
  USE_GCOV=1
else
  USE_GCOV=0
fi

fi
AC_SUBST(BUILD_CC)

##########
# Do we want to support multithreaded use of sqlite
#
AC_ARG_ENABLE(threadsafe, 
AC_HELP_STRING([--disable-threadsafe],[Disable mutexing]),,enable_threadsafe=yes)
AC_MSG_CHECKING([whether to support threadsafe operation])
if test "$enable_threadsafe" = "no"; then
  SQLITE_THREADSAFE=0
  AC_MSG_RESULT([no])
else
  SQLITE_THREADSAFE=1
  AC_MSG_RESULT([yes])
................................................................................
# Figure out what C libraries are required to compile programs
# that use "fdatasync()" function.
#
AC_SEARCH_LIBS(fdatasync, [rt])

#########
# check for debug enabled
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],[enable debugging & verbose explain]),
      [use_debug=$enableval],[use_debug=no])
if test "${use_debug}" = "yes" ; then
  TARGET_DEBUG="-DSQLITE_DEBUG=1 -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE -O0"
else
  TARGET_DEBUG="-DNDEBUG"
fi
AC_SUBST(TARGET_DEBUG)

#########
# See whether we should use the amalgamation to build
AC_ARG_ENABLE(amalgamation, AC_HELP_STRING([--disable-amalgamation],
      [Disable the amalgamation and instead build all files separately]),
      [use_amalgamation=$enableval],[use_amalgamation=yes])
if test "${use_amalgamation}" != "yes" ; then
  USE_AMALGAMATION=0
fi
AC_SUBST(USE_AMALGAMATION)

#########
# Look for zlib.  Only needed by extensions and by the sqlite3.exe shell
AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS(deflate, z, [HAVE_ZLIB="-DSQLITE_HAVE_ZLIB=1"], [HAVE_ZLIB=""])
AC_SUBST(HAVE_ZLIB)

#########
# See whether we should allow loadable extensions
AC_ARG_ENABLE(load-extension, AC_HELP_STRING([--disable-load-extension],
      [Disable loading of external extensions]),
      [use_loadextension=$enableval],[use_loadextension=yes])
if test "${use_loadextension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  AC_SEARCH_LIBS(dlopen, dl)
else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi

##########
# Do we want to support memsys3 and/or memsys5
#
AC_ARG_ENABLE(memsys5, 
  AC_HELP_STRING([--enable-memsys5],[Enable MEMSYS5]),
  [enable_memsys5=yes],[enable_memsys5=no])
AC_MSG_CHECKING([whether to support MEMSYS5])
if test "${enable_memsys5}" = "yes"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS5"
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi
AC_ARG_ENABLE(memsys3, 
  AC_HELP_STRING([--enable-memsys3],[Enable MEMSYS3]),
  [enable_memsys3=yes],[enable_memsys3=no])
AC_MSG_CHECKING([whether to support MEMSYS3])
if test "${enable_memsys3}" = "yes" -a "${enable_memsys5}" = "no"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS3"
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

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

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

#########
# See whether we should enable the LIMIT clause on UPDATE and DELETE
# statements.
AC_ARG_ENABLE(update-limit, AC_HELP_STRING([--enable-update-limit],
      [Enable the UPDATE/DELETE LIMIT clause]),
      [enable_udlimit=yes],[enable_udlimit=no])
if test "${enable_udlimit}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT"
fi

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

#########
# See whether we should enable the SESSION extension
AC_ARG_ENABLE(session, AC_HELP_STRING([--enable-session],
      [Enable the SESSION extension]),
      [enable_session=yes],[enable_session=no])
if test "${enable_session}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_SESSION"
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi

#########
# attempt to duplicate any OMITS and ENABLES into the ${OPT_FEATURE_FLAGS} parameter
................................................................................
done
BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS


#########
# See whether we should use GCOV
AC_ARG_ENABLE(gcov, AC_HELP_STRING([--enable-gcov],
      [Enable coverage testing using gcov]),
      [use_gcov=$enableval],[use_gcov=no])
if test "${use_gcov}" = "yes" ; then
  USE_GCOV=1
else
  USE_GCOV=0
fi
AC_SUBST(USE_GCOV)

fi
AC_SUBST(BUILD_CC)

##########
# Do we want to support multithreaded use of sqlite
#
AC_ARG_ENABLE(threadsafe, 
AC_HELP_STRING([--disable-threadsafe],[Disable mutexing]))
AC_MSG_CHECKING([whether to support threadsafe operation])
if test "$enable_threadsafe" = "no"; then
  SQLITE_THREADSAFE=0
  AC_MSG_RESULT([no])
else
  SQLITE_THREADSAFE=1
  AC_MSG_RESULT([yes])
................................................................................
# Figure out what C libraries are required to compile programs
# that use "fdatasync()" function.
#
AC_SEARCH_LIBS(fdatasync, [rt])

#########
# check for debug enabled
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],[enable debugging & verbose explain]))

if test "${enable_debug}" = "yes" ; then
  TARGET_DEBUG="-DSQLITE_DEBUG=1 -DSQLITE_ENABLE_SELECTTRACE -DSQLITE_ENABLE_WHERETRACE -O0"
else
  TARGET_DEBUG="-DNDEBUG"
fi
AC_SUBST(TARGET_DEBUG)

#########
# See whether we should use the amalgamation to build
AC_ARG_ENABLE(amalgamation, AC_HELP_STRING([--disable-amalgamation],
      [Disable the amalgamation and instead build all files separately]))
if test "${enable_amalgamation}" == "no" ; then

  USE_AMALGAMATION=0
fi
AC_SUBST(USE_AMALGAMATION)

#########
# Look for zlib.  Only needed by extensions and by the sqlite3.exe shell
AC_CHECK_HEADERS(zlib.h)
AC_SEARCH_LIBS(deflate, z, [HAVE_ZLIB="-DSQLITE_HAVE_ZLIB=1"], [HAVE_ZLIB=""])
AC_SUBST(HAVE_ZLIB)

#########
# See whether we should allow loadable extensions
AC_ARG_ENABLE(load-extension, AC_HELP_STRING([--disable-load-extension],
      [Disable loading of external extensions]),,[enable_load_extension=yes])

if test "${enable_load_extension}" = "yes" ; then
  OPT_FEATURE_FLAGS=""
  AC_SEARCH_LIBS(dlopen, dl)
else
  OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
fi

##########
# Do we want to support memsys3 and/or memsys5
#
AC_ARG_ENABLE(memsys5, 
  AC_HELP_STRING([--enable-memsys5],[Enable MEMSYS5]))

AC_MSG_CHECKING([whether to support MEMSYS5])
if test "${enable_memsys5}" = "yes"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS5"
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi
AC_ARG_ENABLE(memsys3, 
  AC_HELP_STRING([--enable-memsys3],[Enable MEMSYS3]))

AC_MSG_CHECKING([whether to support MEMSYS3])
if test "${enable_memsys3}" = "yes" -a "${enable_memsys5}" = "no"; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_MEMSYS3"
  AC_MSG_RESULT([yes])
else
  AC_MSG_RESULT([no])
fi

#########
# See whether we should enable Full Text Search extensions
AC_ARG_ENABLE(fts3, AC_HELP_STRING([--enable-fts3],
      [Enable the FTS3 extension]))

if test "${enable_fts3}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS3"
fi
AC_ARG_ENABLE(fts4, AC_HELP_STRING([--enable-fts4],
      [Enable the FTS4 extension]))

if test "${enable_fts4}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS4"
  AC_SEARCH_LIBS([log],[m])
fi
AC_ARG_ENABLE(fts5, AC_HELP_STRING([--enable-fts5],
      [Enable the FTS5 extension]))

if test "${enable_fts5}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_FTS5"
  AC_SEARCH_LIBS([log],[m])
fi

#########
# See whether we should enable JSON1
AC_ARG_ENABLE(json1, AC_HELP_STRING([--enable-json1],[Enable the JSON1 extension]))


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

#########
# See whether we should enable the LIMIT clause on UPDATE and DELETE
# statements.
AC_ARG_ENABLE(update-limit, AC_HELP_STRING([--enable-update-limit],
      [Enable the UPDATE/DELETE LIMIT clause]))

if test "${enable_udlimit}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT"
fi

#########
# See whether we should enable RTREE
AC_ARG_ENABLE(rtree, AC_HELP_STRING([--enable-rtree],
      [Enable the RTREE extension]))

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

#########
# See whether we should enable the SESSION extension
AC_ARG_ENABLE(session, AC_HELP_STRING([--enable-session],
      [Enable the SESSION extension]))

if test "${enable_session}" = "yes" ; then
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_SESSION"
  OPT_FEATURE_FLAGS="${OPT_FEATURE_FLAGS} -DSQLITE_ENABLE_PREUPDATE_HOOK"
fi

#########
# attempt to duplicate any OMITS and ENABLES into the ${OPT_FEATURE_FLAGS} parameter
................................................................................
done
BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS


#########
# See whether we should use GCOV
AC_ARG_ENABLE(gcov, AC_HELP_STRING([--enable-gcov],
      [Enable coverage testing using gcov]))

if test "${use_gcov}" = "yes" ; then
  USE_GCOV=1
else
  USE_GCOV=0
fi
AC_SUBST(USE_GCOV)

  $expert destroy

  uplevel [list do_test $tn [list set {} $candidates] $res]
}


reset_db
do_execsql_test 3.0 {
  CREATE TABLE t1(a, b);
  CREATE TABLE t2(c, d);

  WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
  INSERT INTO t1 SELECT (i-1)/50, (i-1)/20 FROM s;

  WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
  INSERT INTO t2 SELECT (i-1)/20, (i-1)/5 FROM s;
}
do_candidates_test 3.1 {
  SELECT * FROM t1,t2 WHERE (b=? OR a=?) AND (c=? OR d=?)
} {
  CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20 
  CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50 
  CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20 
  CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
}

do_candidates_test 3.2 {
  SELECT * FROM t1,t2 WHERE a=? AND b=? AND c=? AND d=?
} {
  CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 17
  CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5
}

do_execsql_test 3.2 {
  CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50 
  CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20 
  CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 16

  CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20 
  CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
  CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5

  $expert destroy

  uplevel [list do_test $tn [list set {} $candidates] $res]
}


reset_db
do_execsql_test 4.0 {
  CREATE TABLE t1(a, b);
  CREATE TABLE t2(c, d);

  WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
  INSERT INTO t1 SELECT (i-1)/50, (i-1)/20 FROM s;

  WITH s(i) AS ( VALUES(1) UNION ALL SELECT i+1 FROM s WHERE i<100)
  INSERT INTO t2 SELECT (i-1)/20, (i-1)/5 FROM s;
}
do_candidates_test 4.1 {
  SELECT * FROM t1,t2 WHERE (b=? OR a=?) AND (c=? OR d=?)
} {
  CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20 
  CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50 
  CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20 
  CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
}

do_candidates_test 4.2 {
  SELECT * FROM t1,t2 WHERE a=? AND b=? AND c=? AND d=?
} {
  CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 17
  CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5
}

do_execsql_test 4.3 {
  CREATE INDEX t1_idx_00000061 ON t1(a); -- stat1: 100 50 
  CREATE INDEX t1_idx_00000062 ON t1(b); -- stat1: 100 20 
  CREATE INDEX t1_idx_000123a7 ON t1(a, b); -- stat1: 100 50 16

  CREATE INDEX t2_idx_00000063 ON t2(c); -- stat1: 100 20 
  CREATE INDEX t2_idx_00000064 ON t2(d); -- stat1: 100 5
  CREATE INDEX t2_idx_0001295b ON t2(c, d); -- stat1: 100 20 5

          switch( sqlite3_column_type(pStmt,i) ){
            case SQLITE_INTEGER: {
              output_formatted(p, "%lld", sqlite3_column_int64(pStmt,i));
              break;
            }
            case SQLITE_FLOAT: {
              double r = sqlite3_column_double(pStmt,i);







              output_formatted(p, "%!.20g", r);

              break;
            }
            case SQLITE_NULL: {
              p->xCallback("NULL", p->pArg);
              break;
            }
            case SQLITE_TEXT: {

          switch( sqlite3_column_type(pStmt,i) ){
            case SQLITE_INTEGER: {
              output_formatted(p, "%lld", sqlite3_column_int64(pStmt,i));
              break;
            }
            case SQLITE_FLOAT: {
              double r = sqlite3_column_double(pStmt,i);
              sqlite3_uint64 ur;
              memcpy(&ur,&r,sizeof(r));
              if( ur==0x7ff0000000000000LL ){
                p->xCallback("1e999", p->pArg);
              }else if( ur==0xfff0000000000000LL ){
                p->xCallback("-1e999", p->pArg);
              }else{
                output_formatted(p, "%!.20g", r);
              }
              break;
            }
            case SQLITE_NULL: {
              p->xCallback("NULL", p->pArg);
              break;
            }
            case SQLITE_TEXT: {

  ** that the object will never already be in cache.  Verify this guarantee.
  */
#ifndef NDEBUG
  for(i=0, p=pParse->aColCache; i<pParse->nColCache; i++, p++){
    assert( p->iTable!=iTab || p->iColumn!=iCol );
  }
#endif








  /* If the cache is already full, delete the least recently used entry */
  if( pParse->nColCache>=SQLITE_N_COLCACHE ){
    minLru = 0x7fffffff;
    idxLru = -1;
    for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
      if( p->lru<minLru ){
................................................................................
  int i;
  struct yColCache *p;

  for(i=0, p=pParse->aColCache; i<pParse->nColCache; i++, p++){
    if( p->iTable==iTable && p->iColumn==iColumn ){
      p->lru = pParse->iCacheCnt++;
      sqlite3ExprCachePinRegister(pParse, p->iReg);



      return p->iReg;
    }
  }  
  assert( v!=0 );
  sqlite3ExprCodeGetColumnOfTable(v, pTab, iTable, iColumn, iReg);
  if( p5 ){
    sqlite3VdbeChangeP5(v, p5);

  ** that the object will never already be in cache.  Verify this guarantee.
  */
#ifndef NDEBUG
  for(i=0, p=pParse->aColCache; i<pParse->nColCache; i++, p++){
    assert( p->iTable!=iTab || p->iColumn!=iCol );
  }
#endif

#ifdef SQLITE_DEBUG_COLUMNCACHE
  /* Add a SetTabCol opcode for run-time verification that the column
  ** cache is working correctly.
  */
  sqlite3VdbeAddOp3(pParse->pVdbe, OP_SetTabCol, iTab, iCol, iReg);
#endif

  /* If the cache is already full, delete the least recently used entry */
  if( pParse->nColCache>=SQLITE_N_COLCACHE ){
    minLru = 0x7fffffff;
    idxLru = -1;
    for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
      if( p->lru<minLru ){
................................................................................
  int i;
  struct yColCache *p;

  for(i=0, p=pParse->aColCache; i<pParse->nColCache; i++, p++){
    if( p->iTable==iTable && p->iColumn==iColumn ){
      p->lru = pParse->iCacheCnt++;
      sqlite3ExprCachePinRegister(pParse, p->iReg);
#ifdef SQLITE_DEBUG_COLUMNCACHE
      sqlite3VdbeAddOp3(v, OP_VerifyTabCol, iTable, iColumn, p->iReg);
#endif
      return p->iReg;
    }
  }  
  assert( v!=0 );
  sqlite3ExprCodeGetColumnOfTable(v, pTab, iTable, iColumn, iReg);
  if( p5 ){
    sqlite3VdbeChangeP5(v, p5);

    /* Check to see if the new rowid already exists in the table.  Skip
    ** the following conflict logic if it does not. */
    VdbeNoopComment((v, "uniqueness check for ROWID"));
    sqlite3VdbeVerifyAbortable(v, onError);
    sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, addrRowidOk, regNewData);
    VdbeCoverage(v);


    switch( onError ){
      default: {
        onError = OE_Abort;
        /* Fall thru into the next case */
      }
      case OE_Rollback:
................................................................................
#endif
      case OE_Ignore: {
        testcase( onError==OE_Ignore );
        sqlite3VdbeGoto(v, ignoreDest);
        break;
      }
    }

    sqlite3VdbeResolveLabel(v, addrRowidOk);
    if( sAddr.ipkTop ){
      sAddr.ipkBtm = sqlite3VdbeAddOp0(v, OP_Goto);
      sqlite3VdbeJumpHere(v, sAddr.ipkTop-1);
    }
  }

    /* Check to see if the new rowid already exists in the table.  Skip
    ** the following conflict logic if it does not. */
    VdbeNoopComment((v, "uniqueness check for ROWID"));
    sqlite3VdbeVerifyAbortable(v, onError);
    sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, addrRowidOk, regNewData);
    VdbeCoverage(v);
    sqlite3ExprCachePush(pParse);

    switch( onError ){
      default: {
        onError = OE_Abort;
        /* Fall thru into the next case */
      }
      case OE_Rollback:
................................................................................
#endif
      case OE_Ignore: {
        testcase( onError==OE_Ignore );
        sqlite3VdbeGoto(v, ignoreDest);
        break;
      }
    }
    sqlite3ExprCachePop(pParse);
    sqlite3VdbeResolveLabel(v, addrRowidOk);
    if( sAddr.ipkTop ){
      sAddr.ipkBtm = sqlite3VdbeAddOp0(v, OP_Goto);
      sqlite3VdbeJumpHere(v, sAddr.ipkTop-1);
    }
  }

  return SQLITE_OK;
}

/*
** Unregister a VFS so that it is no longer accessible.
*/
int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){
#if SQLITE_THREADSAFE
  sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);



#endif

  sqlite3_mutex_enter(mutex);
  vfsUnlink(pVfs);
  sqlite3_mutex_leave(mutex);
  return SQLITE_OK;
}

  return SQLITE_OK;
}

/*
** Unregister a VFS so that it is no longer accessible.
*/
int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){

  MUTEX_LOGIC(sqlite3_mutex *mutex;)
#ifndef SQLITE_OMIT_AUTOINIT
  int rc = sqlite3_initialize();
  if( rc ) return rc;
#endif
  MUTEX_LOGIC( mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); )
  sqlite3_mutex_enter(mutex);
  vfsUnlink(pVfs);
  sqlite3_mutex_leave(mutex);
  return SQLITE_OK;
}

            output_quoted_escaped_string(p->out, azArg[i]);
          }
        }else if( aiType && aiType[i]==SQLITE_INTEGER ){
          utf8_printf(p->out,"%s", azArg[i]);
        }else if( aiType && aiType[i]==SQLITE_FLOAT ){
          char z[50];
          double r = sqlite3_column_double(p->pStmt, i);







          sqlite3_snprintf(50,z,"%!.20g", r);
          raw_printf(p->out, "%s", z);

        }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
          const void *pBlob = sqlite3_column_blob(p->pStmt, i);
          int nBlob = sqlite3_column_bytes(p->pStmt, i);
          output_hex_blob(p->out, pBlob, nBlob);
        }else if( isNumber(azArg[i], 0) ){
          utf8_printf(p->out,"%s", azArg[i]);
        }else if( ShellHasFlag(p, SHFLG_Newlines) ){

            output_quoted_escaped_string(p->out, azArg[i]);
          }
        }else if( aiType && aiType[i]==SQLITE_INTEGER ){
          utf8_printf(p->out,"%s", azArg[i]);
        }else if( aiType && aiType[i]==SQLITE_FLOAT ){
          char z[50];
          double r = sqlite3_column_double(p->pStmt, i);
          sqlite3_uint64 ur;
          memcpy(&ur,&r,sizeof(r));
          if( ur==0x7ff0000000000000LL ){
            raw_printf(p->out, "1e999");
          }else if( ur==0xfff0000000000000LL ){
            raw_printf(p->out, "-1e999");
          }else{
            sqlite3_snprintf(50,z,"%!.20g", r);
            raw_printf(p->out, "%s", z);
          }
        }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
          const void *pBlob = sqlite3_column_blob(p->pStmt, i);
          int nBlob = sqlite3_column_bytes(p->pStmt, i);
          output_hex_blob(p->out, pBlob, nBlob);
        }else if( isNumber(azArg[i], 0) ){
          utf8_printf(p->out,"%s", azArg[i]);
        }else if( ShellHasFlag(p, SHFLG_Newlines) ){

#define SQLITE_LOCKED_VTAB             (SQLITE_LOCKED |  (2<<8))
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))
#define SQLITE_CANTOPEN_FULLPATH       (SQLITE_CANTOPEN | (3<<8))
#define SQLITE_CANTOPEN_CONVPATH       (SQLITE_CANTOPEN | (4<<8))

#define SQLITE_CORRUPT_VTAB            (SQLITE_CORRUPT | (1<<8))
#define SQLITE_CORRUPT_SEQUENCE        (SQLITE_CORRUPT | (2<<8))
#define SQLITE_READONLY_RECOVERY       (SQLITE_READONLY | (1<<8))
#define SQLITE_READONLY_CANTLOCK       (SQLITE_READONLY | (2<<8))
#define SQLITE_READONLY_ROLLBACK       (SQLITE_READONLY | (3<<8))
#define SQLITE_READONLY_DBMOVED        (SQLITE_READONLY | (4<<8))
#define SQLITE_READONLY_CANTINIT       (SQLITE_READONLY | (5<<8))
................................................................................
** CAPI3REF: Error Codes And Messages
** METHOD: sqlite3
**
** ^If the most recent sqlite3_* API call associated with 
** [database connection] D failed, then the sqlite3_errcode(D) interface
** returns the numeric [result code] or [extended result code] for that
** API call.
** If the most recent API call was successful,
** then the return value from sqlite3_errcode() is undefined.
** ^The sqlite3_extended_errcode()
** interface is the same except that it always returns the 
** [extended result code] even when extended result codes are
** disabled.













**
** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language
** text that describes the error, as either UTF-8 or UTF-16 respectively.
** ^(Memory to hold the error message string is managed internally.
** The application does not need to worry about freeing the result.
** However, the error string might be overwritten or deallocated by
** subsequent calls to other SQLite interface functions.)^
................................................................................
** ^The pointers returned are valid until a type conversion occurs as
** described above, or until [sqlite3_step()] or [sqlite3_reset()] or
** [sqlite3_finalize()] is called.  ^The memory space used to hold strings
** and BLOBs is freed automatically.  Do not pass the pointers returned
** from [sqlite3_column_blob()], [sqlite3_column_text()], etc. into
** [sqlite3_free()].
**
** ^(If a memory allocation error occurs during the evaluation of any
** of these routines, a default value is returned.  The default value
** is either the integer 0, the floating point number 0.0, or a NULL
** pointer.  Subsequent calls to [sqlite3_errcode()] will return
** [SQLITE_NOMEM].)^














*/
const void *sqlite3_column_blob(sqlite3_stmt*, int iCol);
double sqlite3_column_double(sqlite3_stmt*, int iCol);
int sqlite3_column_int(sqlite3_stmt*, int iCol);
sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol);
const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
const void *sqlite3_column_text16(sqlite3_stmt*, int iCol);
................................................................................
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
** These routines must be called from the same thread as
** the SQL function that supplied the [sqlite3_value*] parameters.






















*/
const void *sqlite3_value_blob(sqlite3_value*);
double sqlite3_value_double(sqlite3_value*);
int sqlite3_value_int(sqlite3_value*);
sqlite3_int64 sqlite3_value_int64(sqlite3_value*);
void *sqlite3_value_pointer(sqlite3_value*, const char*);
const unsigned char *sqlite3_value_text(sqlite3_value*);

#define SQLITE_LOCKED_VTAB             (SQLITE_LOCKED |  (2<<8))
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))
#define SQLITE_CANTOPEN_FULLPATH       (SQLITE_CANTOPEN | (3<<8))
#define SQLITE_CANTOPEN_CONVPATH       (SQLITE_CANTOPEN | (4<<8))
#define SQLITE_CANTOPEN_DIRTYWAL       (SQLITE_CANTOPEN | (5<<8)) /* Not Used */
#define SQLITE_CORRUPT_VTAB            (SQLITE_CORRUPT | (1<<8))
#define SQLITE_CORRUPT_SEQUENCE        (SQLITE_CORRUPT | (2<<8))
#define SQLITE_READONLY_RECOVERY       (SQLITE_READONLY | (1<<8))
#define SQLITE_READONLY_CANTLOCK       (SQLITE_READONLY | (2<<8))
#define SQLITE_READONLY_ROLLBACK       (SQLITE_READONLY | (3<<8))
#define SQLITE_READONLY_DBMOVED        (SQLITE_READONLY | (4<<8))
#define SQLITE_READONLY_CANTINIT       (SQLITE_READONLY | (5<<8))
................................................................................
** CAPI3REF: Error Codes And Messages
** METHOD: sqlite3
**
** ^If the most recent sqlite3_* API call associated with 
** [database connection] D failed, then the sqlite3_errcode(D) interface
** returns the numeric [result code] or [extended result code] for that
** API call.


** ^The sqlite3_extended_errcode()
** interface is the same except that it always returns the 
** [extended result code] even when extended result codes are
** disabled.
**
** The values returned by sqlite3_errcode() and/or
** sqlite3_extended_errcode() might change with each API call.
** Except, there are some interfaces that are guaranteed to never
** change the value of the error code.  The error-code preserving
** interfaces are:
**
** <ul>
** <li> sqlite3_errcode()
** <li> sqlite3_extended_errcode()
** <li> sqlite3_errmsg()
** <li> sqlite3_errmsg16()
** </ul>
**
** ^The sqlite3_errmsg() and sqlite3_errmsg16() return English-language
** text that describes the error, as either UTF-8 or UTF-16 respectively.
** ^(Memory to hold the error message string is managed internally.
** The application does not need to worry about freeing the result.
** However, the error string might be overwritten or deallocated by
** subsequent calls to other SQLite interface functions.)^
................................................................................
** ^The pointers returned are valid until a type conversion occurs as
** described above, or until [sqlite3_step()] or [sqlite3_reset()] or
** [sqlite3_finalize()] is called.  ^The memory space used to hold strings
** and BLOBs is freed automatically.  Do not pass the pointers returned
** from [sqlite3_column_blob()], [sqlite3_column_text()], etc. into
** [sqlite3_free()].
**
** As long as the input parameters are correct, these routines will only
** fail if an out-of-memory error occurs during a format conversion.
** Only the following subset of interfaces are subject to out-of-memory
** errors:
**
** <ul>
** <li> sqlite3_column_blob()
** <li> sqlite3_column_text()
** <li> sqlite3_column_text16()
** <li> sqlite3_column_bytes()
** <li> sqlite3_column_bytes16()
** </ul>
**
** If an out-of-memory error occurs, then the return value from these
** routines is the same as if the column had contained an SQL NULL value.
** Valid SQL NULL returns can be distinguished from out-of-memory errors
** by invoking the [sqlite3_errcode()] immediately after the suspect
** return value is obtained and before any
** other SQLite interface is called on the same [database connection].
*/
const void *sqlite3_column_blob(sqlite3_stmt*, int iCol);
double sqlite3_column_double(sqlite3_stmt*, int iCol);
int sqlite3_column_int(sqlite3_stmt*, int iCol);
sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol);
const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
const void *sqlite3_column_text16(sqlite3_stmt*, int iCol);
................................................................................
** from [sqlite3_value_blob()], [sqlite3_value_text()], or
** [sqlite3_value_text16()] can be invalidated by a subsequent call to
** [sqlite3_value_bytes()], [sqlite3_value_bytes16()], [sqlite3_value_text()],
** or [sqlite3_value_text16()].
**
** These routines must be called from the same thread as
** the SQL function that supplied the [sqlite3_value*] parameters.
**
** As long as the input parameter is correct, these routines can only
** fail if an out-of-memory error occurs during a format conversion.
** Only the following subset of interfaces are subject to out-of-memory
** errors:
**
** <ul>
** <li> sqlite3_value_blob()
** <li> sqlite3_value_text()
** <li> sqlite3_value_text16()
** <li> sqlite3_value_text16le()
** <li> sqlite3_value_text16be()
** <li> sqlite3_value_bytes()
** <li> sqlite3_value_bytes16()
** </ul>
**
** If an out-of-memory error occurs, then the return value from these
** routines is the same as if the column had contained an SQL NULL value.
** Valid SQL NULL returns can be distinguished from out-of-memory errors
** by invoking the [sqlite3_errcode()] immediately after the suspect
** return value is obtained and before any
** other SQLite interface is called on the same [database connection].
*/
const void *sqlite3_value_blob(sqlite3_value*);
double sqlite3_value_double(sqlite3_value*);
int sqlite3_value_int(sqlite3_value*);
sqlite3_int64 sqlite3_value_int64(sqlite3_value*);
void *sqlite3_value_pointer(sqlite3_value*, const char*);
const unsigned char *sqlite3_value_text(sqlite3_value*);

*/
#if !defined(NDEBUG) && !defined(SQLITE_DEBUG)
# define NDEBUG 1
#endif
#if defined(NDEBUG) && defined(SQLITE_DEBUG)
# undef NDEBUG
#endif












/*
** Enable SQLITE_ENABLE_EXPLAIN_COMMENTS if SQLITE_DEBUG is turned on.
*/
#if !defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) && defined(SQLITE_DEBUG)
# define SQLITE_ENABLE_EXPLAIN_COMMENTS 1
#endif

*/
#if !defined(NDEBUG) && !defined(SQLITE_DEBUG)
# define NDEBUG 1
#endif
#if defined(NDEBUG) && defined(SQLITE_DEBUG)
# undef NDEBUG
#endif

/* SQLITE_DEBUG_COLUMNCACHE is synomous with SQLITE_DEBUG.  The 
** SQLITE_DEBUG_COLUMNCACHE symbol only exists to provide a convenient
** way to search for all code that deals with verifying correct behavior
** of the column cache.
*/
#ifdef SQLITE_DEBUG
# define SQLITE_DEBUG_COLUMNCACHE 1
#else
# undef SQLIT_DEBUG_COLUMNCACHE
#endif

/*
** Enable SQLITE_ENABLE_EXPLAIN_COMMENTS if SQLITE_DEBUG is turned on.
*/
#if !defined(SQLITE_ENABLE_EXPLAIN_COMMENTS) && defined(SQLITE_DEBUG)
# define SQLITE_ENABLE_EXPLAIN_COMMENTS 1
#endif

*/
#ifdef SQLITE_DEBUG
# define memAboutToChange(P,M) sqlite3VdbeMemAboutToChange(P,M)
#else
# define memAboutToChange(P,M)
#endif













/*
** The following global variable is incremented every time a cursor
** moves, either by the OP_SeekXX, OP_Next, or OP_Prev opcodes.  The test
** procedures use this information to make sure that indices are
** working correctly.  This variable has no function other than to
** help verify the correct operation of the library.
*/
................................................................................
  int n;

  n = pOp->p3;
  pIn1 = &aMem[pOp->p1];
  pOut = &aMem[pOp->p2];
  assert( pOut!=pIn1 );
  while( 1 ){

    sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem);
    Deephemeralize(pOut);
#ifdef SQLITE_DEBUG
    pOut->pScopyFrom = 0;

#endif
    REGISTER_TRACE(pOp->p2+pOp->p3-n, pOut);
    if( (n--)==0 ) break;
    pOut++;
    pIn1++;
  }
  break;
................................................................................
*/
case OP_SCopy: {            /* out2 */
  pIn1 = &aMem[pOp->p1];
  pOut = &aMem[pOp->p2];
  assert( pOut!=pIn1 );
  sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem);
#ifdef SQLITE_DEBUG
  if( pOut->pScopyFrom==0 ) pOut->pScopyFrom = pIn1;

#endif
  break;
}

/* Opcode: IntCopy P1 P2 * * *
** Synopsis: r[P2]=r[P1]
**
................................................................................
  }else{
    sqlite3VdbeMemSetNull(pOut);
  }
  break;
}

/* Opcode: BitNot P1 P2 * * *
** Synopsis: r[P1]= ~r[P1]
**
** Interpret the content of register P1 as an integer.  Store the
** ones-complement of the P1 value into register P2.  If P1 holds
** a NULL then store a NULL in P2.
*/
case OP_BitNot: {             /* same as TK_BITNOT, in1, out2 */
  pIn1 = &aMem[pOp->p1];
................................................................................
  Mem **apArg;
  Mem *pX;

  assert( pOp->p2==1        || pOp->p5==OE_Fail   || pOp->p5==OE_Rollback 
       || pOp->p5==OE_Abort || pOp->p5==OE_Ignore || pOp->p5==OE_Replace
  );
  assert( p->readOnly==0 );

  sqlite3VdbeIncrWriteCounter(p, 0);
  pVtab = pOp->p4.pVtab->pVtab;
  if( pVtab==0 || NEVER(pVtab->pModule==0) ){
    rc = SQLITE_LOCKED;
    goto abort_due_to_error;
  }
  pModule = pVtab->pModule;
................................................................................
** an active statement journal.
*/
case OP_Abortable: {
  sqlite3VdbeAssertAbortable(p);
  break;
}
#endif





























/* Opcode: Noop * * * * *
**
** Do nothing.  This instruction is often useful as a jump
** destination.
*/
/*

*/
#ifdef SQLITE_DEBUG
# define memAboutToChange(P,M) sqlite3VdbeMemAboutToChange(P,M)
#else
# define memAboutToChange(P,M)
#endif

/*
** Given a cursor number and a column for a table or index, compute a
** hash value for use in the Mem.iTabColHash value.  The iTabColHash
** column is only used for verification - it is omitted from production
** builds.  Collisions are harmless in the sense that the correct answer
** still results.  The only harm of collisions is that they can potential
** reduce column-cache error detection during SQLITE_DEBUG builds.
**
** No valid hash should be 0.
*/
#define TableColumnHash(T,C)  (((u32)(T)<<16)^(u32)(C+2))

/*
** The following global variable is incremented every time a cursor
** moves, either by the OP_SeekXX, OP_Next, or OP_Prev opcodes.  The test
** procedures use this information to make sure that indices are
** working correctly.  This variable has no function other than to
** help verify the correct operation of the library.
*/
................................................................................
  int n;

  n = pOp->p3;
  pIn1 = &aMem[pOp->p1];
  pOut = &aMem[pOp->p2];
  assert( pOut!=pIn1 );
  while( 1 ){
    memAboutToChange(p, pOut);
    sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem);
    Deephemeralize(pOut);
#ifdef SQLITE_DEBUG
    pOut->pScopyFrom = 0;
    pOut->iTabColHash = 0;
#endif
    REGISTER_TRACE(pOp->p2+pOp->p3-n, pOut);
    if( (n--)==0 ) break;
    pOut++;
    pIn1++;
  }
  break;
................................................................................
*/
case OP_SCopy: {            /* out2 */
  pIn1 = &aMem[pOp->p1];
  pOut = &aMem[pOp->p2];
  assert( pOut!=pIn1 );
  sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem);
#ifdef SQLITE_DEBUG
  pOut->pScopyFrom = pIn1;
  pOut->mScopyFlags = pIn1->flags;
#endif
  break;
}

/* Opcode: IntCopy P1 P2 * * *
** Synopsis: r[P2]=r[P1]
**
................................................................................
  }else{
    sqlite3VdbeMemSetNull(pOut);
  }
  break;
}

/* Opcode: BitNot P1 P2 * * *
** Synopsis: r[P2]= ~r[P1]
**
** Interpret the content of register P1 as an integer.  Store the
** ones-complement of the P1 value into register P2.  If P1 holds
** a NULL then store a NULL in P2.
*/
case OP_BitNot: {             /* same as TK_BITNOT, in1, out2 */
  pIn1 = &aMem[pOp->p1];
................................................................................
  Mem **apArg;
  Mem *pX;

  assert( pOp->p2==1        || pOp->p5==OE_Fail   || pOp->p5==OE_Rollback 
       || pOp->p5==OE_Abort || pOp->p5==OE_Ignore || pOp->p5==OE_Replace
  );
  assert( p->readOnly==0 );
  if( db->mallocFailed ) goto no_mem;
  sqlite3VdbeIncrWriteCounter(p, 0);
  pVtab = pOp->p4.pVtab->pVtab;
  if( pVtab==0 || NEVER(pVtab->pModule==0) ){
    rc = SQLITE_LOCKED;
    goto abort_due_to_error;
  }
  pModule = pVtab->pModule;
................................................................................
** an active statement journal.
*/
case OP_Abortable: {
  sqlite3VdbeAssertAbortable(p);
  break;
}
#endif

#ifdef SQLITE_DEBUG_COLUMNCACHE
/* Opcode:  SetTabCol   P1 P2 P3 * *
**
** Set a flag in register REG[P3] indicating that it holds the value
** of column P2 from the table on cursor P1.  This flag is checked
** by a subsequent VerifyTabCol opcode.
**
** This opcode only appears SQLITE_DEBUG builds.  It is used to verify
** that the expression table column cache is working correctly.
*/
case OP_SetTabCol: {
  aMem[pOp->p3].iTabColHash = TableColumnHash(pOp->p1,pOp->p2);
  break;
}
/* Opcode:  VerifyTabCol   P1 P2 P3 * *
**
** Verify that register REG[P3] contains the value of column P2 from
** cursor P1.  Assert() if this is not the case.
**
** This opcode only appears SQLITE_DEBUG builds.  It is used to verify
** that the expression table column cache is working correctly.
*/
case OP_VerifyTabCol: {
  assert( aMem[pOp->p3].iTabColHash == TableColumnHash(pOp->p1,pOp->p2) );
  break;
}
#endif

/* Opcode: Noop * * * * *
**
** Do nothing.  This instruction is often useful as a jump
** destination.
*/
/*

VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*);
sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe*, int, u8);
void sqlite3VdbeSetVarmask(Vdbe*, int);
#ifndef SQLITE_OMIT_TRACE
  char *sqlite3VdbeExpandSql(Vdbe*, const char*);
#endif
int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);


void sqlite3VdbeRecordUnpack(KeyInfo*,int,const void*,UnpackedRecord*);
int sqlite3VdbeRecordCompare(int,const void*,UnpackedRecord*);
int sqlite3VdbeRecordCompareWithSkip(int, const void *, UnpackedRecord *, int);
UnpackedRecord *sqlite3VdbeAllocUnpackedRecord(KeyInfo*);

typedef int (*RecordCompare)(int,const void*,UnpackedRecord*);
................................................................................
#endif

#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
void sqlite3VdbeScanStatus(Vdbe*, int, int, int, LogEst, const char*);
#else
# define sqlite3VdbeScanStatus(a,b,c,d,e)
#endif





#endif /* SQLITE_VDBE_H */

VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*);
sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe*, int, u8);
void sqlite3VdbeSetVarmask(Vdbe*, int);
#ifndef SQLITE_OMIT_TRACE
  char *sqlite3VdbeExpandSql(Vdbe*, const char*);
#endif
int sqlite3MemCompare(const Mem*, const Mem*, const CollSeq*);
int sqlite3BlobCompare(const Mem*, const Mem*);

void sqlite3VdbeRecordUnpack(KeyInfo*,int,const void*,UnpackedRecord*);
int sqlite3VdbeRecordCompare(int,const void*,UnpackedRecord*);
int sqlite3VdbeRecordCompareWithSkip(int, const void *, UnpackedRecord *, int);
UnpackedRecord *sqlite3VdbeAllocUnpackedRecord(KeyInfo*);

typedef int (*RecordCompare)(int,const void*,UnpackedRecord*);
................................................................................
#endif

#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
void sqlite3VdbeScanStatus(Vdbe*, int, int, int, LogEst, const char*);
#else
# define sqlite3VdbeScanStatus(a,b,c,d,e)
#endif

#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
void sqlite3VdbePrintOp(FILE*, int, VdbeOp*);
#endif

#endif /* SQLITE_VDBE_H */

  char *zMalloc;      /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */
  int szMalloc;       /* Size of the zMalloc allocation */
  u32 uTemp;          /* Transient storage for serial_type in OP_MakeRecord */
  sqlite3 *db;        /* The associated database connection */
  void (*xDel)(void*);/* Destructor for Mem.z - only valid if MEM_Dyn */
#ifdef SQLITE_DEBUG
  Mem *pScopyFrom;    /* This Mem is a shallow copy of pScopyFrom */
  void *pFiller;      /* So that sizeof(Mem) is a multiple of 8 */




#endif
};

/*
** Size of struct Mem not including the Mem.zMalloc member or anything that
** follows.
*/
................................................................................
** Function prototypes
*/
void sqlite3VdbeError(Vdbe*, const char *, ...);
void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*);
void sqliteVdbePopStack(Vdbe*,int);
int sqlite3VdbeCursorMoveto(VdbeCursor**, int*);
int sqlite3VdbeCursorRestore(VdbeCursor*);
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
void sqlite3VdbePrintOp(FILE*, int, Op*);
#endif
u32 sqlite3VdbeSerialTypeLen(u32);
u8 sqlite3VdbeOneByteSerialTypeLen(u8);
u32 sqlite3VdbeSerialType(Mem*, int, u32*);
u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int);

  char *zMalloc;      /* Space to hold MEM_Str or MEM_Blob if szMalloc>0 */
  int szMalloc;       /* Size of the zMalloc allocation */
  u32 uTemp;          /* Transient storage for serial_type in OP_MakeRecord */
  sqlite3 *db;        /* The associated database connection */
  void (*xDel)(void*);/* Destructor for Mem.z - only valid if MEM_Dyn */
#ifdef SQLITE_DEBUG
  Mem *pScopyFrom;    /* This Mem is a shallow copy of pScopyFrom */
  u16 mScopyFlags;    /* flags value immediately after the shallow copy */
#endif
#ifdef SQLITE_DEBUG_COLUMNCACHE
  u32 iTabColHash;    /* Hash of table.column that is origin of this value */
  u32 iPadding;       /* sqlite3_value objects must be 8-byte aligned */
#endif
};

/*
** Size of struct Mem not including the Mem.zMalloc member or anything that
** follows.
*/
................................................................................
** Function prototypes
*/
void sqlite3VdbeError(Vdbe*, const char *, ...);
void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*);
void sqliteVdbePopStack(Vdbe*,int);
int sqlite3VdbeCursorMoveto(VdbeCursor**, int*);
int sqlite3VdbeCursorRestore(VdbeCursor*);



u32 sqlite3VdbeSerialTypeLen(u32);
u8 sqlite3VdbeOneByteSerialTypeLen(u8);
u32 sqlite3VdbeSerialType(Mem*, int, u32*);
u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int);

        /* .zMalloc    = */ (char*)0,
        /* .szMalloc   = */ (int)0,
        /* .uTemp      = */ (u32)0,
        /* .db         = */ (sqlite3*)0,
        /* .xDel       = */ (void(*)(void*))0,
#ifdef SQLITE_DEBUG
        /* .pScopyFrom = */ (Mem*)0,
        /* .pFiller    = */ (void*)0,



#endif
      };
  return &nullMem;
}

/*
** Check to see if column iCol of the given statement is valid.  If

        /* .zMalloc    = */ (char*)0,
        /* .szMalloc   = */ (int)0,
        /* .uTemp      = */ (u32)0,
        /* .db         = */ (sqlite3*)0,
        /* .xDel       = */ (void(*)(void*))0,
#ifdef SQLITE_DEBUG
        /* .pScopyFrom = */ (Mem*)0,
        /* .mScopyFlags= */ 0,
#endif
#ifdef SQLITE_DEBUG_COLUMNCACHE
        /* .iTabColHash= */ 0,
#endif
      };
  return &nullMem;
}

/*
** Check to see if column iCol of the given statement is valid.  If

}
#endif

#if defined(VDBE_PROFILE) || defined(SQLITE_DEBUG)
/*
** Print a single opcode.  This routine is used for debugging only.
*/
void sqlite3VdbePrintOp(FILE *pOut, int pc, Op *pOp){
  char *zP4;
  char zPtr[50];
  char zCom[100];
  static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n";
  if( pOut==0 ) pOut = stdout;
  zP4 = displayP4(pOp, zPtr, sizeof(zPtr));
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
................................................................................
static void initMemArray(Mem *p, int N, sqlite3 *db, u16 flags){
  while( (N--)>0 ){
    p->db = db;
    p->flags = flags;
    p->szMalloc = 0;
#ifdef SQLITE_DEBUG
    p->pScopyFrom = 0;



#endif
    p++;
  }
}

/*
** Release an array of N Mem elements
................................................................................
}

/*
** Compare two blobs.  Return negative, zero, or positive if the first
** is less than, equal to, or greater than the second, respectively.
** If one blob is a prefix of the other, then the shorter is the lessor.
*/
static SQLITE_NOINLINE int sqlite3BlobCompare(const Mem *pB1, const Mem *pB2){
  int c;
  int n1 = pB1->n;
  int n2 = pB2->n;

  /* It is possible to have a Blob value that has some non-zero content
  ** followed by zero content.  But that only comes up for Blobs formed
  ** by the OP_MakeRecord opcode, and such Blobs never get passed into

}
#endif

#if defined(VDBE_PROFILE) || defined(SQLITE_DEBUG)
/*
** Print a single opcode.  This routine is used for debugging only.
*/
void sqlite3VdbePrintOp(FILE *pOut, int pc, VdbeOp *pOp){
  char *zP4;
  char zPtr[50];
  char zCom[100];
  static const char *zFormat1 = "%4d %-13s %4d %4d %4d %-13s %.2X %s\n";
  if( pOut==0 ) pOut = stdout;
  zP4 = displayP4(pOp, zPtr, sizeof(zPtr));
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
................................................................................
static void initMemArray(Mem *p, int N, sqlite3 *db, u16 flags){
  while( (N--)>0 ){
    p->db = db;
    p->flags = flags;
    p->szMalloc = 0;
#ifdef SQLITE_DEBUG
    p->pScopyFrom = 0;
#endif
#ifdef SQLITE_DEBUG_COLUMNCACHE
    p->iTabColHash = 0;
#endif
    p++;
  }
}

/*
** Release an array of N Mem elements
................................................................................
}

/*
** Compare two blobs.  Return negative, zero, or positive if the first
** is less than, equal to, or greater than the second, respectively.
** If one blob is a prefix of the other, then the shorter is the lessor.
*/
SQLITE_NOINLINE int sqlite3BlobCompare(const Mem *pB1, const Mem *pB2){
  int c;
  int n1 = pB1->n;
  int n2 = pB2->n;

  /* It is possible to have a Blob value that has some non-zero content
  ** followed by zero content.  But that only comes up for Blobs formed
  ** by the OP_MakeRecord opcode, and such Blobs never get passed into

** copies are not misused.
*/
void sqlite3VdbeMemAboutToChange(Vdbe *pVdbe, Mem *pMem){
  int i;
  Mem *pX;
  for(i=0, pX=pVdbe->aMem; i<pVdbe->nMem; i++, pX++){
    if( pX->pScopyFrom==pMem ){














      pX->flags |= MEM_Undefined;
      pX->pScopyFrom = 0;
    }
  }
  pMem->pScopyFrom = 0;



}
#endif /* SQLITE_DEBUG */


/*
** Make an shallow copy of pFrom into pTo.  Prior contents of
** pTo are freed.  The pFrom->z field is not duplicated.  If
................................................................................
  sqlite3VdbeMemShallowCopy(pTo, pFrom, eType);
}
void sqlite3VdbeMemShallowCopy(Mem *pTo, const Mem *pFrom, int srcType){
  assert( (pFrom->flags & MEM_RowSet)==0 );
  assert( pTo->db==pFrom->db );
  if( VdbeMemDynamic(pTo) ){ vdbeClrCopy(pTo,pFrom,srcType); return; }
  memcpy(pTo, pFrom, MEMCELLSIZE);



  if( (pFrom->flags&MEM_Static)==0 ){
    pTo->flags &= ~(MEM_Dyn|MEM_Static|MEM_Ephem);
    assert( srcType==MEM_Ephem || srcType==MEM_Static );
    pTo->flags |= srcType;
  }
}

................................................................................
*/
int sqlite3VdbeMemCopy(Mem *pTo, const Mem *pFrom){
  int rc = SQLITE_OK;

  assert( (pFrom->flags & MEM_RowSet)==0 );
  if( VdbeMemDynamic(pTo) ) vdbeMemClearExternAndSetNull(pTo);
  memcpy(pTo, pFrom, MEMCELLSIZE);



  pTo->flags &= ~MEM_Dyn;
  if( pTo->flags&(MEM_Str|MEM_Blob) ){
    if( 0==(pFrom->flags&MEM_Static) ){
      pTo->flags |= MEM_Ephem;
      rc = sqlite3VdbeMemMakeWriteable(pTo);
    }
  }

** copies are not misused.
*/
void sqlite3VdbeMemAboutToChange(Vdbe *pVdbe, Mem *pMem){
  int i;
  Mem *pX;
  for(i=0, pX=pVdbe->aMem; i<pVdbe->nMem; i++, pX++){
    if( pX->pScopyFrom==pMem ){
      /* If pX is marked as a shallow copy of pMem, then verify that
      ** no significant changes have been made to pX since the OP_SCopy.
      ** A significant change would indicated a missed call to this
      ** function for pX.  Minor changes, such as adding or removing a
      ** dual type, are allowed, as long as the underlying value is the
      ** same. */
      u16 mFlags = pMem->flags & pX->flags & pX->mScopyFlags;
      assert( (mFlags&MEM_Int)==0 || pMem->u.i==pX->u.i );
      assert( (mFlags&MEM_Real)==0 || pMem->u.r==pX->u.r );
      assert( (mFlags&MEM_Str)==0  || (pMem->n==pX->n && pMem->z==pX->z) );
      assert( (mFlags&MEM_Blob)==0  || sqlite3BlobCompare(pMem,pX)==0 );
      
      /* pMem is the register that is changing.  But also mark pX as
      ** undefined so that we can quickly detect the shallow-copy error */
      pX->flags = MEM_Undefined;
      pX->pScopyFrom = 0;
    }
  }
  pMem->pScopyFrom = 0;
#ifdef SQLITE_DEBUG_COLUMN_CACHE
  pMem->iTabColHash = 0;
#endif
}
#endif /* SQLITE_DEBUG */


/*
** Make an shallow copy of pFrom into pTo.  Prior contents of
** pTo are freed.  The pFrom->z field is not duplicated.  If
................................................................................
  sqlite3VdbeMemShallowCopy(pTo, pFrom, eType);
}
void sqlite3VdbeMemShallowCopy(Mem *pTo, const Mem *pFrom, int srcType){
  assert( (pFrom->flags & MEM_RowSet)==0 );
  assert( pTo->db==pFrom->db );
  if( VdbeMemDynamic(pTo) ){ vdbeClrCopy(pTo,pFrom,srcType); return; }
  memcpy(pTo, pFrom, MEMCELLSIZE);
#ifdef SQLITE_DEBUG_COLUMNCACHE
  pTo->iTabColHash = pFrom->iTabColHash;
#endif
  if( (pFrom->flags&MEM_Static)==0 ){
    pTo->flags &= ~(MEM_Dyn|MEM_Static|MEM_Ephem);
    assert( srcType==MEM_Ephem || srcType==MEM_Static );
    pTo->flags |= srcType;
  }
}

................................................................................
*/
int sqlite3VdbeMemCopy(Mem *pTo, const Mem *pFrom){
  int rc = SQLITE_OK;

  assert( (pFrom->flags & MEM_RowSet)==0 );
  if( VdbeMemDynamic(pTo) ) vdbeMemClearExternAndSetNull(pTo);
  memcpy(pTo, pFrom, MEMCELLSIZE);
#ifdef SQLITE_DEBUG_COLUMNCACHE
  pTo->iTabColHash = pFrom->iTabColHash;
#endif
  pTo->flags &= ~MEM_Dyn;
  if( pTo->flags&(MEM_Str|MEM_Blob) ){
    if( 0==(pFrom->flags&MEM_Static) ){
      pTo->flags |= MEM_Ephem;
      rc = sqlite3VdbeMemMakeWriteable(pTo);
    }
  }

  if( pWInfo ){
    pParse->nQueryLoop = pWInfo->savedNQueryLoop;
    whereInfoFree(db, pWInfo);
  }
  return 0;
}





















/*
** Generate the end of the WHERE loop.  See comments on 
** sqlite3WhereBegin() for additional information.
*/
void sqlite3WhereEnd(WhereInfo *pWInfo){
  Parse *pParse = pWInfo->pParse;
  Vdbe *v = pParse->pVdbe;
................................................................................
    }
    if( pIdx
     && (pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable))
     && !db->mallocFailed
    ){
      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;





      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column
#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
         || pOp->opcode==OP_Offset
#endif
................................................................................
            x = pPk->aiColumn[x];
            assert( x>=0 );
          }
          x = sqlite3ColumnOfIndex(pIdx, x);
          if( x>=0 ){
            pOp->p2 = x;
            pOp->p1 = pLevel->iIdxCur;

          }
          assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 
              || pWInfo->eOnePass );
        }else if( pOp->opcode==OP_Rowid ){
          pOp->p1 = pLevel->iIdxCur;
          pOp->opcode = OP_IdxRowid;

        }else if( pOp->opcode==OP_IfNullRow ){
          pOp->p1 = pLevel->iIdxCur;

        }
      }



    }
  }

  /* Final cleanup
  */
  pParse->nQueryLoop = pWInfo->savedNQueryLoop;
  whereInfoFree(db, pWInfo);
  return;
}

  if( pWInfo ){
    pParse->nQueryLoop = pWInfo->savedNQueryLoop;
    whereInfoFree(db, pWInfo);
  }
  return 0;
}

/*
** Part of sqlite3WhereEnd() will rewrite opcodes to reference the
** index rather than the main table.  In SQLITE_DEBUG mode, we want
** to trace those changes if PRAGMA vdbe_addoptrace=on.  This routine
** does that.
*/
#ifndef SQLITE_DEBUG
# define OpcodeRewriteTrace(D,K,P) /* no-op */
#else
# define OpcodeRewriteTrace(D,K,P) sqlite3WhereOpcodeRewriteTrace(D,K,P)
  static void sqlite3WhereOpcodeRewriteTrace(
    sqlite3 *db,
    int pc,
    VdbeOp *pOp
  ){
    if( (db->flags & SQLITE_VdbeAddopTrace)==0 ) return;
    sqlite3VdbePrintOp(0, pc, pOp);
  }
#endif

/*
** Generate the end of the WHERE loop.  See comments on 
** sqlite3WhereBegin() for additional information.
*/
void sqlite3WhereEnd(WhereInfo *pWInfo){
  Parse *pParse = pWInfo->pParse;
  Vdbe *v = pParse->pVdbe;
................................................................................
    }
    if( pIdx
     && (pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable))
     && !db->mallocFailed
    ){
      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;
#ifdef SQLITE_DEBUG
      if( db->flags & SQLITE_VdbeAddopTrace ){
        printf("TRANSLATE opcodes in range %d..%d\n", k, last-1);
      }
#endif
      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column
#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
         || pOp->opcode==OP_Offset
#endif
................................................................................
            x = pPk->aiColumn[x];
            assert( x>=0 );
          }
          x = sqlite3ColumnOfIndex(pIdx, x);
          if( x>=0 ){
            pOp->p2 = x;
            pOp->p1 = pLevel->iIdxCur;
            OpcodeRewriteTrace(db, k, pOp);
          }
          assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0 || x>=0 
              || pWInfo->eOnePass );
        }else if( pOp->opcode==OP_Rowid ){
          pOp->p1 = pLevel->iIdxCur;
          pOp->opcode = OP_IdxRowid;
          OpcodeRewriteTrace(db, k, pOp);
        }else if( pOp->opcode==OP_IfNullRow ){
          pOp->p1 = pLevel->iIdxCur;
          OpcodeRewriteTrace(db, k, pOp);
        }
      }
#ifdef SQLITE_DEBUG
      if( db->flags & SQLITE_VdbeAddopTrace ) printf("TRANSLATE complete\n");
#endif
    }
  }

  /* Final cleanup
  */
  pParse->nQueryLoop = pWInfo->savedNQueryLoop;
  whereInfoFree(db, pWInfo);
  return;
}

** Initialize a preallocated WhereClause structure.
*/
void sqlite3WhereClauseInit(
  WhereClause *pWC,        /* The WhereClause to be initialized */
  WhereInfo *pWInfo        /* The WHERE processing context */
){
  pWC->pWInfo = pWInfo;

  pWC->pOuter = 0;
  pWC->nTerm = 0;
  pWC->nSlot = ArraySize(pWC->aStatic);
  pWC->a = pWC->aStatic;
}

/*

** Initialize a preallocated WhereClause structure.
*/
void sqlite3WhereClauseInit(
  WhereClause *pWC,        /* The WhereClause to be initialized */
  WhereInfo *pWInfo        /* The WHERE processing context */
){
  pWC->pWInfo = pWInfo;
  pWC->hasOr = 0;
  pWC->pOuter = 0;
  pWC->nTerm = 0;
  pWC->nSlot = ArraySize(pWC->aStatic);
  pWC->a = pWC->aStatic;
}

/*

} {11 22}
do_execsql_test insert-12.3 {
  CREATE TABLE t12c(a, b DEFAULT 'xyzzy', c);
  INSERT INTO t12c(a, rowid, c) SELECT 'one', 999, 'two';
  SELECT * FROM t12c;
} {one xyzzy two}















integrity_check insert-99.0

finish_test

} {11 22}
do_execsql_test insert-12.3 {
  CREATE TABLE t12c(a, b DEFAULT 'xyzzy', c);
  INSERT INTO t12c(a, rowid, c) SELECT 'one', 999, 'two';
  SELECT * FROM t12c;
} {one xyzzy two}

# 2018-06-11.  From OSSFuzz.  A column cache malfunction in
# the constraint checking on an index of expressions causes
# an assertion fault in a REPLACE.  Ticket
# https://www.sqlite.org/src/info/c2432ef9089ee73b
#
do_execsql_test insert-13.1 {
  DROP TABLE IF EXISTS t13;
  CREATE TABLE t13(a INTEGER PRIMARY KEY,b UNIQUE);
  CREATE INDEX t13x1 ON t13(-b=b);
  INSERT INTO t13 VALUES(1,5),(6,2);
  REPLACE INTO t13 SELECT b,0 FROM t13;
  SELECT * FROM t13 ORDER BY +b;
} {2 0 6 2 1 5}

integrity_check insert-99.0

finish_test

    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1
    -DSQLITE_ENABLE_COLUMN_METADATA=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_HIDDEN_COLUMNS
    -DSQLITE_MAX_ATTACHED=125
    -DSQLITE_MUTATION_TEST

  }
  "Fast-One" {
    -O6
    -DSQLITE_ENABLE_FTS4=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_RBU

    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1
    -DSQLITE_ENABLE_COLUMN_METADATA=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_HIDDEN_COLUMNS
    -DSQLITE_MAX_ATTACHED=125
    -DSQLITE_MUTATION_TEST
    --enable-fts5 --enable-json1
  }
  "Fast-One" {
    -O6
    -DSQLITE_ENABLE_FTS4=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_RBU