NSDKLIBPATH = $(NSDKLIBPATH:\\=\)

# C compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
!IF $(USE_FULLWARN)!=0
BCC = $(NCC) -nologo -W4
!ELSE
BCC = $(NCC) -nologo -W3
!ENDIF

# Check if assembly code listings should be generated for the source
# code files to be compiled.
#
!IF $(USE_LISTINGS)!=0
BCC = $(BCC) -FAcs
................................................................................
!ENDIF

# C compiler and options for use in building executables that
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)
#
!IF $(USE_FULLWARN)!=0
TCC = $(CC) -nologo -W4 -DINCLUDE_MSVC_H=1
!ELSE
TCC = $(CC) -nologo -W3
!ENDIF

TCC = $(TCC) -DSQLITE_OS_WIN=1 -I. -I$(TOP) -I$(TOP)\src -fp:precise
RCC = $(RC) -DSQLITE_OS_WIN=1 -I$(TOP) -I$(TOP)\src

# Check if we want to use the "stdcall" calling convention when compiling.
# This is not supported by the compilers for non-x86 platforms.  It should
# also be noted here that building any target with these "stdcall" options
# will most likely fail if the Tcl library is also required.  This is due
# to how the Tcl library functions are declared and exported (i.e. without
# an explicit calling convention, which results in "cdecl").
................................................................................
!IFNDEF LIBTCL
LIBTCL = tcl85.lib
!ENDIF

!IFNDEF LIBTCLSTUB
LIBTCLSTUB = tclstub85.lib
!ENDIF





# The locations of the ICU header and library files.  These variables
# (ICUINCDIR, ICULIBDIR, and LIBICU) may be overridden via the environment
# prior to running nmake in order to match the actual installed location on
# this machine.
#
!IFNDEF ICUINCDIR
................................................................................
LTLINKOPTS = $(LTLINKOPTS) "/LIBPATH:$(PSDKLIBPATH)"
!ENDIF
!ENDIF

# If either debugging or symbols are enabled, enable PDBs.
#
!IF $(DEBUG)>1 || $(SYMBOLS)!=0
LDFLAGS = /DEBUG


!ENDIF

# Start with the Tcl related linker options.
#
!IF $(NO_TCL)==0
LTLIBPATHS = /LIBPATH:$(TCLLIBDIR)
LTLIBS = $(LIBTCL)
................................................................................
# Rules to build the LEMON compiler generator
#
lempar.c:	$(TOP)\src\lempar.c
	copy $(TOP)\src\lempar.c .

lemon.exe:	$(TOP)\tool\lemon.c lempar.c
	$(BCC) $(NO_WARN) -Daccess=_access \
		-Fe$@ $(TOP)\tool\lemon.c /link $(NLTLINKOPTS) $(NLTLIBPATHS)

# Rules to build individual *.lo files from generated *.c files. This
# applies to:
#
#     parse.lo
#     opcodes.lo
#
................................................................................
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP:\=/) > sqlite3.h

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

mkkeywordhash.exe:	$(TOP)\tool\mkkeywordhash.c
	$(BCC) $(NO_WARN) -Fe$@ $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(OPTS) \
		$(TOP)\tool\mkkeywordhash.c /link $(NLTLINKOPTS) $(NLTLIBPATHS)

keywordhash.h:	$(TOP)\tool\mkkeywordhash.c mkkeywordhash.exe
	.\mkkeywordhash.exe > keywordhash.h



# Rules to build the extension objects.
................................................................................
testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

extensiontest: testfixture.exe testloadext.dll

	.\testfixture.exe $(TOP)\test\loadext.test $(TESTOPTS)

fulltest:	$(TESTPROGS) fuzztest

	.\testfixture.exe $(TOP)\test\all.test $(TESTOPTS)

soaktest:	$(TESTPROGS)

	.\testfixture.exe $(TOP)\test\all.test -soak=1 $(TESTOPTS)

fulltestonly:	$(TESTPROGS) fuzztest

	.\testfixture.exe $(TOP)\test\full.test

queryplantest:	testfixture.exe sqlite3.exe

	.\testfixture.exe $(TOP)\test\permutations.test queryplanner $(TESTOPTS)

fuzztest:	fuzzcheck.exe
	.\fuzzcheck.exe $(FUZZDATA)

fastfuzztest:	fuzzcheck.exe
	.\fuzzcheck.exe --limit-mem 100M $(FUZZDATA)

# Minimal testing that runs in less than 3 minutes (on a fast machine)
#
quicktest:	testfixture.exe

	.\testfixture.exe $(TOP)\test\extraquick.test $(TESTOPTS)

# This is the common case.  Run many tests that do not take too long,
# including fuzzcheck, sqlite3_analyzer, and sqldiff tests.
#
test:	$(TESTPROGS) fastfuzztest

	.\testfixture.exe $(TOP)\test\veryquick.test $(TESTOPTS)

smoketest:	$(TESTPROGS)

	.\testfixture.exe $(TOP)\test\main.test $(TESTOPTS)

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

NSDKLIBPATH = $(NSDKLIBPATH:\\=\)

# C compiler and options for use in building executables that
# will run on the platform that is doing the build.
#
!IF $(USE_FULLWARN)!=0
BCC = $(NCC) -nologo -W4 $(CCOPTS) $(BCCOPTS)
!ELSE
BCC = $(NCC) -nologo -W3 $(CCOPTS) $(BCCOPTS)
!ENDIF

# Check if assembly code listings should be generated for the source
# code files to be compiled.
#
!IF $(USE_LISTINGS)!=0
BCC = $(BCC) -FAcs
................................................................................
!ENDIF

# C compiler and options for use in building executables that
# will run on the target platform.  (BCC and TCC are usually the
# same unless your are cross-compiling.)
#
!IF $(USE_FULLWARN)!=0
TCC = $(CC) -nologo -W4 -DINCLUDE_MSVC_H=1 $(CCOPTS) $(TCCOPTS)
!ELSE
TCC = $(CC) -nologo -W3 $(CCOPTS) $(TCCOPTS)
!ENDIF

TCC = $(TCC) -DSQLITE_OS_WIN=1 -I. -I$(TOP) -I$(TOP)\src -fp:precise
RCC = $(RC) -DSQLITE_OS_WIN=1 -I$(TOP) -I$(TOP)\src $(RCOPTS) $(RCCOPTS)

# Check if we want to use the "stdcall" calling convention when compiling.
# This is not supported by the compilers for non-x86 platforms.  It should
# also be noted here that building any target with these "stdcall" options
# will most likely fail if the Tcl library is also required.  This is due
# to how the Tcl library functions are declared and exported (i.e. without
# an explicit calling convention, which results in "cdecl").
................................................................................
!IFNDEF LIBTCL
LIBTCL = tcl85.lib
!ENDIF

!IFNDEF LIBTCLSTUB
LIBTCLSTUB = tclstub85.lib
!ENDIF

!IFNDEF LIBTCLPATH
LIBTCLPATH = c:\tcl\bin
!ENDIF

# The locations of the ICU header and library files.  These variables
# (ICUINCDIR, ICULIBDIR, and LIBICU) may be overridden via the environment
# prior to running nmake in order to match the actual installed location on
# this machine.
#
!IFNDEF ICUINCDIR
................................................................................
LTLINKOPTS = $(LTLINKOPTS) "/LIBPATH:$(PSDKLIBPATH)"
!ENDIF
!ENDIF

# If either debugging or symbols are enabled, enable PDBs.
#
!IF $(DEBUG)>1 || $(SYMBOLS)!=0
LDFLAGS = /DEBUG $(LDOPTS)
!ELSE
LDFLAGS = $(LDOPTS)
!ENDIF

# Start with the Tcl related linker options.
#
!IF $(NO_TCL)==0
LTLIBPATHS = /LIBPATH:$(TCLLIBDIR)
LTLIBS = $(LIBTCL)
................................................................................
# Rules to build the LEMON compiler generator
#
lempar.c:	$(TOP)\src\lempar.c
	copy $(TOP)\src\lempar.c .

lemon.exe:	$(TOP)\tool\lemon.c lempar.c
	$(BCC) $(NO_WARN) -Daccess=_access \
		-Fe$@ $(TOP)\tool\lemon.c /link $(LDFLAGS) $(NLTLINKOPTS) $(NLTLIBPATHS)

# Rules to build individual *.lo files from generated *.c files. This
# applies to:
#
#     parse.lo
#     opcodes.lo
#
................................................................................
	$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP:\=/) > sqlite3.h

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

mkkeywordhash.exe:	$(TOP)\tool\mkkeywordhash.c
	$(BCC) $(NO_WARN) -Fe$@ $(REQ_FEATURE_FLAGS) $(OPT_FEATURE_FLAGS) $(OPTS) \
		$(TOP)\tool\mkkeywordhash.c /link $(LDFLAGS) $(NLTLINKOPTS) $(NLTLIBPATHS)

keywordhash.h:	$(TOP)\tool\mkkeywordhash.c mkkeywordhash.exe
	.\mkkeywordhash.exe > keywordhash.h



# Rules to build the extension objects.
................................................................................
testfixture.exe:	$(TESTFIXTURE_SRC) $(LIBRESOBJS) $(HDR)
	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
		-DBUILD_sqlite -I$(TCLINCDIR) \
		$(TESTFIXTURE_SRC) \
		/link $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) $(LIBRESOBJS) $(LTLIBS) $(TLIBS)

extensiontest: testfixture.exe testloadext.dll
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\loadext.test $(TESTOPTS)

fulltest:	$(TESTPROGS) fuzztest
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\all.test $(TESTOPTS)

soaktest:	$(TESTPROGS)
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\all.test -soak=1 $(TESTOPTS)

fulltestonly:	$(TESTPROGS) fuzztest
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\full.test

queryplantest:	testfixture.exe sqlite3.exe
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\permutations.test queryplanner $(TESTOPTS)

fuzztest:	fuzzcheck.exe
	.\fuzzcheck.exe $(FUZZDATA)

fastfuzztest:	fuzzcheck.exe
	.\fuzzcheck.exe --limit-mem 100M $(FUZZDATA)

# Minimal testing that runs in less than 3 minutes (on a fast machine)
#
quicktest:	testfixture.exe
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\extraquick.test $(TESTOPTS)

# This is the common case.  Run many tests that do not take too long,
# including fuzzcheck, sqlite3_analyzer, and sqldiff tests.
#
test:	$(TESTPROGS) fastfuzztest
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\veryquick.test $(TESTOPTS)

smoketest:	$(TESTPROGS)
	@set PATH=$(LIBTCLPATH);$(PATH)
	.\testfixture.exe $(TOP)\test\main.test $(TESTOPTS)

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

3.9.0

3.9.1

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

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

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures sqlite 3.9.0 to adapt to many kinds of systems.

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

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

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

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

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

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

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

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

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

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

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

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

Report bugs to the package provider."

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

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

#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for sqlite 3.9.1.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
#
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
................................................................................
subdirs=
MFLAGS=
MAKEFLAGS=

# Identity of this package.
PACKAGE_NAME='sqlite'
PACKAGE_TARNAME='sqlite'
PACKAGE_VERSION='3.9.1'
PACKAGE_STRING='sqlite 3.9.1'
PACKAGE_BUGREPORT=''
PACKAGE_URL=''

# Factoring default headers for most tests.
ac_includes_default="\
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
................................................................................
#
# Report the --help message.
#
if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
\`configure' configures sqlite 3.9.1 to adapt to many kinds of systems.

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

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

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

if test -n "$ac_init_help"; then
  case $ac_init_help in
     short | recursive ) echo "Configuration of sqlite 3.9.1:";;
   esac
  cat <<\_ACEOF

Optional Features:
  --disable-option-checking  ignore unrecognized --enable/--with options
  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
................................................................................
    cd "$ac_pwd" || { ac_status=$?; break; }
  done
fi

test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
  cat <<\_ACEOF
sqlite configure 3.9.1
generated by GNU Autoconf 2.69

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

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

It was created by sqlite $as_me 3.9.1, which was
generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@

_ACEOF
exec 5>>config.log
{
................................................................................
test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1

cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# Save the log message, to keep $0 and so on meaningful, and to
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by sqlite $as_me 3.9.1, which was
generated by GNU Autoconf 2.69.  Invocation command line was

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

Report bugs to the package provider."

_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
sqlite config.status 3.9.1
configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

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

*/
static void fts5HighlightAppend(
  int *pRc, 
  HighlightContext *p, 
  const char *z, int n
){
  if( *pRc==SQLITE_OK ){
    if( n<0 ) n = strlen(z);
    p->zOut = sqlite3_mprintf("%z%.*s", p->zOut, n, z);
    if( p->zOut==0 ) *pRc = SQLITE_NOMEM;
  }
}

/*
** Tokenizer callback used by implementation of highlight() function.

*/
static void fts5HighlightAppend(
  int *pRc, 
  HighlightContext *p, 
  const char *z, int n
){
  if( *pRc==SQLITE_OK ){
    if( n<0 ) n = (int)strlen(z);
    p->zOut = sqlite3_mprintf("%z%.*s", p->zOut, n, z);
    if( p->zOut==0 ) *pRc = SQLITE_NOMEM;
  }
}

/*
** Tokenizer callback used by implementation of highlight() function.

** though this byte is not included in the pBuf->n count.
*/
void sqlite3Fts5BufferAppendString(
  int *pRc,
  Fts5Buffer *pBuf, 
  const char *zStr
){
  int nStr = strlen(zStr);
  sqlite3Fts5BufferAppendBlob(pRc, pBuf, nStr+1, (const u8*)zStr);
  pBuf->n--;
}

/*
** Argument zFmt is a printf() style format string. This function performs
** the printf() style processing, then appends the results to buffer pBuf.
................................................................................
** It is the responsibility of the caller to eventually free the returned
** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned. 
*/
char *sqlite3Fts5Strndup(int *pRc, const char *pIn, int nIn){
  char *zRet = 0;
  if( *pRc==SQLITE_OK ){
    if( nIn<0 ){
      nIn = strlen(pIn);
    }
    zRet = (char*)sqlite3_malloc(nIn+1);
    if( zRet ){
      memcpy(zRet, pIn, nIn);
      zRet[nIn] = '\0';
    }else{
      *pRc = SQLITE_NOMEM;

** though this byte is not included in the pBuf->n count.
*/
void sqlite3Fts5BufferAppendString(
  int *pRc,
  Fts5Buffer *pBuf, 
  const char *zStr
){
  int nStr = (int)strlen(zStr);
  sqlite3Fts5BufferAppendBlob(pRc, pBuf, nStr+1, (const u8*)zStr);
  pBuf->n--;
}

/*
** Argument zFmt is a printf() style format string. This function performs
** the printf() style processing, then appends the results to buffer pBuf.
................................................................................
** It is the responsibility of the caller to eventually free the returned
** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned. 
*/
char *sqlite3Fts5Strndup(int *pRc, const char *pIn, int nIn){
  char *zRet = 0;
  if( *pRc==SQLITE_OK ){
    if( nIn<0 ){
      nIn = (int)strlen(pIn);
    }
    zRet = (char*)sqlite3_malloc(nIn+1);
    if( zRet ){
      memcpy(zRet, pIn, nIn);
      zRet[nIn] = '\0';
    }else{
      *pRc = SQLITE_NOMEM;

  Fts5Global *pGlobal,
  Fts5Config *pConfig,            /* Configuration object to update */
  const char *zCmd,               /* Special command to parse */
  const char *zArg,               /* Argument to parse */
  char **pzErr                    /* OUT: Error message */
){
  int rc = SQLITE_OK;
  int nCmd = strlen(zCmd);
  if( sqlite3_strnicmp("prefix", zCmd, nCmd)==0 ){
    const int nByte = sizeof(int) * FTS5_MAX_PREFIX_INDEXES;
    const char *p;
    if( pConfig->aPrefix ){
      *pzErr = sqlite3_mprintf("multiple prefix=... directives");
      rc = SQLITE_ERROR;
    }else{
................................................................................
      pConfig->nPrefix++;
    }
    return rc;
  }

  if( sqlite3_strnicmp("tokenize", zCmd, nCmd)==0 ){
    const char *p = (const char*)zArg;
    int nArg = strlen(zArg) + 1;
    char **azArg = sqlite3Fts5MallocZero(&rc, sizeof(char*) * nArg);
    char *pDel = sqlite3Fts5MallocZero(&rc, nArg * 2);
    char *pSpace = pDel;

    if( azArg && pSpace ){
      if( pConfig->pTok ){
        *pzErr = sqlite3_mprintf("multiple tokenize=... directives");
................................................................................
  int *pRc,                       /* IN/OUT: Error code */
  const char *zIn,                /* Buffer to gobble string/bareword from */
  char **pzOut,                   /* OUT: malloc'd buffer containing str/bw */
  int *pbQuoted                   /* OUT: Set to true if dequoting required */
){
  const char *zRet = 0;

  int nIn = strlen(zIn);
  char *zOut = sqlite3_malloc(nIn+1);

  assert( *pRc==SQLITE_OK );
  *pbQuoted = 0;
  *pzOut = 0;

  if( zOut==0 ){

  Fts5Global *pGlobal,
  Fts5Config *pConfig,            /* Configuration object to update */
  const char *zCmd,               /* Special command to parse */
  const char *zArg,               /* Argument to parse */
  char **pzErr                    /* OUT: Error message */
){
  int rc = SQLITE_OK;
  int nCmd = (int)strlen(zCmd);
  if( sqlite3_strnicmp("prefix", zCmd, nCmd)==0 ){
    const int nByte = sizeof(int) * FTS5_MAX_PREFIX_INDEXES;
    const char *p;
    if( pConfig->aPrefix ){
      *pzErr = sqlite3_mprintf("multiple prefix=... directives");
      rc = SQLITE_ERROR;
    }else{
................................................................................
      pConfig->nPrefix++;
    }
    return rc;
  }

  if( sqlite3_strnicmp("tokenize", zCmd, nCmd)==0 ){
    const char *p = (const char*)zArg;
    int nArg = (int)strlen(zArg) + 1;
    char **azArg = sqlite3Fts5MallocZero(&rc, sizeof(char*) * nArg);
    char *pDel = sqlite3Fts5MallocZero(&rc, nArg * 2);
    char *pSpace = pDel;

    if( azArg && pSpace ){
      if( pConfig->pTok ){
        *pzErr = sqlite3_mprintf("multiple tokenize=... directives");
................................................................................
  int *pRc,                       /* IN/OUT: Error code */
  const char *zIn,                /* Buffer to gobble string/bareword from */
  char **pzOut,                   /* OUT: malloc'd buffer containing str/bw */
  int *pbQuoted                   /* OUT: Set to true if dequoting required */
){
  const char *zRet = 0;

  int nIn = (int)strlen(zIn);
  char *zOut = sqlite3_malloc(nIn+1);

  assert( *pRc==SQLITE_OK );
  *pbQuoted = 0;
  *pzOut = 0;

  if( zOut==0 ){

      for(p=pTerm; p && rc==SQLITE_OK; p=p->pSynonym){
        if( p->pIter ){
          sqlite3Fts5IterClose(p->pIter);
          p->pIter = 0;
        }
        rc = sqlite3Fts5IndexQuery(
            pExpr->pIndex, p->zTerm, strlen(p->zTerm),
            (pTerm->bPrefix ? FTS5INDEX_QUERY_PREFIX : 0) |
            (pExpr->bDesc ? FTS5INDEX_QUERY_DESC : 0),
            pNear->pColset,
            &p->pIter
        );
        assert( rc==SQLITE_OK || p->pIter==0 );
        if( p->pIter && 0==sqlite3Fts5IterEof(p->pIter) ){
................................................................................
  sCtx.pPhrase = pAppend;

  rc = fts5ParseStringFromToken(pToken, &z);
  if( rc==SQLITE_OK ){
    int flags = FTS5_TOKENIZE_QUERY | (bPrefix ? FTS5_TOKENIZE_QUERY : 0);
    int n;
    sqlite3Fts5Dequote(z);
    n = strlen(z);
    rc = sqlite3Fts5Tokenize(pConfig, flags, z, n, &sCtx, fts5ParseTokenize);
  }
  sqlite3_free(z);
  if( rc || (rc = sCtx.rc) ){
    pParse->rc = rc;
    fts5ExprPhraseFree(sCtx.pPhrase);
    sCtx.pPhrase = 0;
................................................................................
  }

  for(i=0; rc==SQLITE_OK && i<pOrig->nTerm; i++){
    int tflags = 0;
    Fts5ExprTerm *p;
    for(p=&pOrig->aTerm[i]; p && rc==SQLITE_OK; p=p->pSynonym){
      const char *zTerm = p->zTerm;
      rc = fts5ParseTokenize((void*)&sCtx, tflags, zTerm, strlen(zTerm), 0, 0);

      tflags = FTS5_TOKEN_COLOCATED;
    }
    if( rc==SQLITE_OK ){
      sCtx.pPhrase->aTerm[i].bPrefix = pOrig->aTerm[i].bPrefix;
    }
  }

................................................................................
static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){
  int nByte = 0;
  Fts5ExprTerm *p;
  char *zQuoted;

  /* Determine the maximum amount of space required. */
  for(p=pTerm; p; p=p->pSynonym){
    nByte += strlen(pTerm->zTerm) * 2 + 3 + 2;
  }
  zQuoted = sqlite3_malloc(nByte);

  if( zQuoted ){
    int i = 0;
    for(p=pTerm; p; p=p->pSynonym){
      char *zIn = p->zTerm;

      for(p=pTerm; p && rc==SQLITE_OK; p=p->pSynonym){
        if( p->pIter ){
          sqlite3Fts5IterClose(p->pIter);
          p->pIter = 0;
        }
        rc = sqlite3Fts5IndexQuery(
            pExpr->pIndex, p->zTerm, (int)strlen(p->zTerm),
            (pTerm->bPrefix ? FTS5INDEX_QUERY_PREFIX : 0) |
            (pExpr->bDesc ? FTS5INDEX_QUERY_DESC : 0),
            pNear->pColset,
            &p->pIter
        );
        assert( rc==SQLITE_OK || p->pIter==0 );
        if( p->pIter && 0==sqlite3Fts5IterEof(p->pIter) ){
................................................................................
  sCtx.pPhrase = pAppend;

  rc = fts5ParseStringFromToken(pToken, &z);
  if( rc==SQLITE_OK ){
    int flags = FTS5_TOKENIZE_QUERY | (bPrefix ? FTS5_TOKENIZE_QUERY : 0);
    int n;
    sqlite3Fts5Dequote(z);
    n = (int)strlen(z);
    rc = sqlite3Fts5Tokenize(pConfig, flags, z, n, &sCtx, fts5ParseTokenize);
  }
  sqlite3_free(z);
  if( rc || (rc = sCtx.rc) ){
    pParse->rc = rc;
    fts5ExprPhraseFree(sCtx.pPhrase);
    sCtx.pPhrase = 0;
................................................................................
  }

  for(i=0; rc==SQLITE_OK && i<pOrig->nTerm; i++){
    int tflags = 0;
    Fts5ExprTerm *p;
    for(p=&pOrig->aTerm[i]; p && rc==SQLITE_OK; p=p->pSynonym){
      const char *zTerm = p->zTerm;
      rc = fts5ParseTokenize((void*)&sCtx, tflags, zTerm, (int)strlen(zTerm),
          0, 0);
      tflags = FTS5_TOKEN_COLOCATED;
    }
    if( rc==SQLITE_OK ){
      sCtx.pPhrase->aTerm[i].bPrefix = pOrig->aTerm[i].bPrefix;
    }
  }

................................................................................
static char *fts5ExprTermPrint(Fts5ExprTerm *pTerm){
  int nByte = 0;
  Fts5ExprTerm *p;
  char *zQuoted;

  /* Determine the maximum amount of space required. */
  for(p=pTerm; p; p=p->pSynonym){
    nByte += (int)strlen(pTerm->zTerm) * 2 + 3 + 2;
  }
  zQuoted = sqlite3_malloc(nByte);

  if( zQuoted ){
    int i = 0;
    for(p=pTerm; p; p=p->pSynonym){
      char *zIn = p->zTerm;

  memset(apNew, 0, nNew*sizeof(Fts5HashEntry*));

  for(i=0; i<pHash->nSlot; i++){
    while( apOld[i] ){
      int iHash;
      Fts5HashEntry *p = apOld[i];
      apOld[i] = p->pHashNext;
      iHash = fts5HashKey(nNew, (u8*)p->zKey, strlen(p->zKey));
      p->pHashNext = apNew[iHash];
      apNew[iHash] = p;
    }
  }

  sqlite3_free(apOld);
  pHash->nSlot = nNew;
................................................................................
  Fts5Hash *pHash,
  const char **pzTerm,            /* OUT: term (nul-terminated) */
  const u8 **ppDoclist,           /* OUT: pointer to doclist */
  int *pnDoclist                  /* OUT: size of doclist in bytes */
){
  Fts5HashEntry *p;
  if( (p = pHash->pScan) ){
    int nTerm = strlen(p->zKey);
    fts5HashAddPoslistSize(p);
    *pzTerm = p->zKey;
    *ppDoclist = (const u8*)&p->zKey[nTerm+1];
    *pnDoclist = p->nData - (FTS5_HASHENTRYSIZE + nTerm + 1);
  }else{
    *pzTerm = 0;
    *ppDoclist = 0;
    *pnDoclist = 0;
  }
}

  memset(apNew, 0, nNew*sizeof(Fts5HashEntry*));

  for(i=0; i<pHash->nSlot; i++){
    while( apOld[i] ){
      int iHash;
      Fts5HashEntry *p = apOld[i];
      apOld[i] = p->pHashNext;
      iHash = fts5HashKey(nNew, (u8*)p->zKey, (int)strlen(p->zKey));
      p->pHashNext = apNew[iHash];
      apNew[iHash] = p;
    }
  }

  sqlite3_free(apOld);
  pHash->nSlot = nNew;
................................................................................
  Fts5Hash *pHash,
  const char **pzTerm,            /* OUT: term (nul-terminated) */
  const u8 **ppDoclist,           /* OUT: pointer to doclist */
  int *pnDoclist                  /* OUT: size of doclist in bytes */
){
  Fts5HashEntry *p;
  if( (p = pHash->pScan) ){
    int nTerm = (int)strlen(p->zKey);
    fts5HashAddPoslistSize(p);
    *pzTerm = p->zKey;
    *ppDoclist = (const u8*)&p->zKey[nTerm+1];
    *pnDoclist = p->nData - (FTS5_HASHENTRYSIZE + nTerm + 1);
  }else{
    *pzTerm = 0;
    *ppDoclist = 0;
    *pnDoclist = 0;
  }
}

        }
        pIter->iLeafOffset = iOff;

      }else if( pIter->pSeg==0 ){
        const u8 *pList = 0;
        const char *zTerm = 0;
        int nList = 0;

        if( 0==(pIter->flags & FTS5_SEGITER_ONETERM) ){
          sqlite3Fts5HashScanNext(p->pHash);
          sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &pList, &nList);
        }
        if( pList==0 ){
          fts5DataRelease(pIter->pLeaf);
          pIter->pLeaf = 0;
        }else{
          pIter->pLeaf->p = (u8*)pList;
          pIter->pLeaf->nn = nList;
          pIter->pLeaf->szLeaf = nList;
          pIter->iEndofDoclist = nList+1;
          sqlite3Fts5BufferSet(&p->rc, &pIter->term, strlen(zTerm), (u8*)zTerm);

          pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid);
          if( pbNewTerm ) *pbNewTerm = 1;
        }
      }else{
        iOff = 0;
        /* Next entry is not on the current page */
        while( iOff==0 ){
          fts5SegIterNextPage(p, pIter);
          pLeaf = pIter->pLeaf;
................................................................................

  assert( p->pHash );
  assert( p->rc==SQLITE_OK );

  if( pTerm==0 || (flags & FTS5INDEX_QUERY_SCAN) ){
    p->rc = sqlite3Fts5HashScanInit(p->pHash, (const char*)pTerm, nTerm);
    sqlite3Fts5HashScanEntry(p->pHash, (const char**)&z, &pList, &nList);
    n = (z ? strlen((const char*)z) : 0);
  }else{
    pIter->flags |= FTS5_SEGITER_ONETERM;
    sqlite3Fts5HashQuery(p->pHash, (const char*)pTerm, nTerm, &pList, &nList);
    z = pTerm;
    n = nTerm;
  }

................................................................................
    while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){
      const char *zTerm;          /* Buffer containing term */
      const u8 *pDoclist;         /* Pointer to doclist for this term */
      int nDoclist;               /* Size of doclist in bytes */

      /* Write the term for this entry to disk. */
      sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist);
      fts5WriteAppendTerm(p, &writer, strlen(zTerm), (const u8*)zTerm);

      assert( writer.bFirstRowidInPage==0 );
      if( pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){
        /* The entire doclist will fit on the current leaf. */
        fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist);
      }else{
        i64 iRowid = 0;
................................................................................
  if( 0==fts5BufferGrow(&p->rc, pBuf, pSeg->nPos) ){
    if( pColset==0 ){
      fts5ChunkIterate(p, pSeg, (void*)pBuf, fts5PoslistCallback);
    }else{
      PoslistCallbackCtx sCtx;
      sCtx.pBuf = pBuf;
      sCtx.pColset = pColset;
      sCtx.eState = pColset ? fts5IndexColsetTest(pColset, 0) : 1;
      assert( sCtx.eState==0 || sCtx.eState==1 );
      fts5ChunkIterate(p, pSeg, (void*)&sCtx, fts5PoslistFilterCallback);
    }
  }
}

/*
................................................................................
        if( res<0 ) p->rc = FTS5_CORRUPT;
      }

      fts5IntegrityCheckPgidx(p, pLeaf);
    }
    fts5DataRelease(pLeaf);
    if( p->rc ) break;


    /* Now check that the iter.nEmpty leaves following the current leaf
    ** (a) exist and (b) contain no terms. */
    fts5IndexIntegrityCheckEmpty(
        p, pSeg, iIdxPrevLeaf+1, iDlidxPrevLeaf+1, iIdxLeaf-1
    );
    if( p->rc ) break;

        }
        pIter->iLeafOffset = iOff;

      }else if( pIter->pSeg==0 ){
        const u8 *pList = 0;
        const char *zTerm = 0;
        int nList = 0;
        assert( (pIter->flags & FTS5_SEGITER_ONETERM) || pbNewTerm );
        if( 0==(pIter->flags & FTS5_SEGITER_ONETERM) ){
          sqlite3Fts5HashScanNext(p->pHash);
          sqlite3Fts5HashScanEntry(p->pHash, &zTerm, &pList, &nList);
        }
        if( pList==0 ){
          fts5DataRelease(pIter->pLeaf);
          pIter->pLeaf = 0;
        }else{
          pIter->pLeaf->p = (u8*)pList;
          pIter->pLeaf->nn = nList;
          pIter->pLeaf->szLeaf = nList;
          pIter->iEndofDoclist = nList+1;
          sqlite3Fts5BufferSet(&p->rc, &pIter->term, (int)strlen(zTerm),
              (u8*)zTerm);
          pIter->iLeafOffset = fts5GetVarint(pList, (u64*)&pIter->iRowid);
          *pbNewTerm = 1;
        }
      }else{
        iOff = 0;
        /* Next entry is not on the current page */
        while( iOff==0 ){
          fts5SegIterNextPage(p, pIter);
          pLeaf = pIter->pLeaf;
................................................................................

  assert( p->pHash );
  assert( p->rc==SQLITE_OK );

  if( pTerm==0 || (flags & FTS5INDEX_QUERY_SCAN) ){
    p->rc = sqlite3Fts5HashScanInit(p->pHash, (const char*)pTerm, nTerm);
    sqlite3Fts5HashScanEntry(p->pHash, (const char**)&z, &pList, &nList);
    n = (z ? (int)strlen((const char*)z) : 0);
  }else{
    pIter->flags |= FTS5_SEGITER_ONETERM;
    sqlite3Fts5HashQuery(p->pHash, (const char*)pTerm, nTerm, &pList, &nList);
    z = pTerm;
    n = nTerm;
  }

................................................................................
    while( p->rc==SQLITE_OK && 0==sqlite3Fts5HashScanEof(pHash) ){
      const char *zTerm;          /* Buffer containing term */
      const u8 *pDoclist;         /* Pointer to doclist for this term */
      int nDoclist;               /* Size of doclist in bytes */

      /* Write the term for this entry to disk. */
      sqlite3Fts5HashScanEntry(pHash, &zTerm, &pDoclist, &nDoclist);
      fts5WriteAppendTerm(p, &writer, (int)strlen(zTerm), (const u8*)zTerm);

      assert( writer.bFirstRowidInPage==0 );
      if( pgsz>=(pBuf->n + pPgidx->n + nDoclist + 1) ){
        /* The entire doclist will fit on the current leaf. */
        fts5BufferSafeAppendBlob(pBuf, pDoclist, nDoclist);
      }else{
        i64 iRowid = 0;
................................................................................
  if( 0==fts5BufferGrow(&p->rc, pBuf, pSeg->nPos) ){
    if( pColset==0 ){
      fts5ChunkIterate(p, pSeg, (void*)pBuf, fts5PoslistCallback);
    }else{
      PoslistCallbackCtx sCtx;
      sCtx.pBuf = pBuf;
      sCtx.pColset = pColset;
      sCtx.eState = fts5IndexColsetTest(pColset, 0);
      assert( sCtx.eState==0 || sCtx.eState==1 );
      fts5ChunkIterate(p, pSeg, (void*)&sCtx, fts5PoslistFilterCallback);
    }
  }
}

/*
................................................................................
        if( res<0 ) p->rc = FTS5_CORRUPT;
      }

      fts5IntegrityCheckPgidx(p, pLeaf);
    }
    fts5DataRelease(pLeaf);
    if( p->rc ) break;


    /* Now check that the iter.nEmpty leaves following the current leaf
    ** (a) exist and (b) contain no terms. */
    fts5IndexIntegrityCheckEmpty(
        p, pSeg, iIdxPrevLeaf+1, iDlidxPrevLeaf+1, iIdxLeaf-1
    );
    if( p->rc ) break;

/*
** Set the SQLITE_INDEX_SCAN_UNIQUE flag in pIdxInfo->flags. Unless this
** extension is currently being used by a version of SQLite too old to
** support index-info flags. In that case this function is a no-op.
*/
static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){
#if SQLITE_VERSION_NUMBER>=3008012

  if( sqlite3_libversion_number()>=3008012 ){


    pIdxInfo->idxFlags |= SQLITE_INDEX_SCAN_UNIQUE;
  }
#endif
}

/*
** Implementation of the xBestIndex method for FTS5 tables. Within the 

/*
** Set the SQLITE_INDEX_SCAN_UNIQUE flag in pIdxInfo->flags. Unless this
** extension is currently being used by a version of SQLite too old to
** support index-info flags. In that case this function is a no-op.
*/
static void fts5SetUniqueFlag(sqlite3_index_info *pIdxInfo){
#if SQLITE_VERSION_NUMBER>=3008012
#ifndef SQLITE_CORE
  if( sqlite3_libversion_number()>=3008012 )
#endif
  {
    pIdxInfo->idxFlags |= SQLITE_INDEX_SCAN_UNIQUE;
  }
#endif
}

/*
** Implementation of the xBestIndex method for FTS5 tables. Within the 

      char *zDefn = sqlite3_malloc(32 + pConfig->nCol * 10);
      if( zDefn==0 ){
        rc = SQLITE_NOMEM;
      }else{
        int i;
        int iOff;
        sqlite3_snprintf(nDefn, zDefn, "id INTEGER PRIMARY KEY");
        iOff = strlen(zDefn);
        for(i=0; i<pConfig->nCol; i++){
          sqlite3_snprintf(nDefn-iOff, &zDefn[iOff], ", c%d", i);
          iOff += strlen(&zDefn[iOff]);
        }
        rc = sqlite3Fts5CreateTable(pConfig, "content", zDefn, 0, pzErr);
      }
      sqlite3_free(zDefn);
    }

    if( rc==SQLITE_OK && pConfig->bColumnsize ){
................................................................................
      *piRowid = sqlite3_value_int64(apVal[1]);
    }else{
      rc = fts5StorageNewRowid(p, piRowid);
    }
  }else{
    sqlite3_stmt *pInsert = 0;    /* Statement to write %_content table */
    int i;                        /* Counter variable */
#if 0
    if( eConflict==SQLITE_REPLACE ){
      eStmt = FTS5_STMT_REPLACE_CONTENT;
      rc = fts5StorageDeleteFromIndex(p, sqlite3_value_int64(apVal[1]));
    }else{
      eStmt = FTS5_STMT_INSERT_CONTENT;
    }
#endif
    if( rc==SQLITE_OK ){
      rc = fts5StorageGetStmt(p, FTS5_STMT_INSERT_CONTENT, &pInsert, 0);
    }
    for(i=1; rc==SQLITE_OK && i<=pConfig->nCol+1; i++){
      rc = sqlite3_bind_value(pInsert, i, apVal[i]);
    }
    if( rc==SQLITE_OK ){
      sqlite3_step(pInsert);
      rc = sqlite3_reset(pInsert);
    }

      char *zDefn = sqlite3_malloc(32 + pConfig->nCol * 10);
      if( zDefn==0 ){
        rc = SQLITE_NOMEM;
      }else{
        int i;
        int iOff;
        sqlite3_snprintf(nDefn, zDefn, "id INTEGER PRIMARY KEY");
        iOff = (int)strlen(zDefn);
        for(i=0; i<pConfig->nCol; i++){
          sqlite3_snprintf(nDefn-iOff, &zDefn[iOff], ", c%d", i);
          iOff += (int)strlen(&zDefn[iOff]);
        }
        rc = sqlite3Fts5CreateTable(pConfig, "content", zDefn, 0, pzErr);
      }
      sqlite3_free(zDefn);
    }

    if( rc==SQLITE_OK && pConfig->bColumnsize ){
................................................................................
      *piRowid = sqlite3_value_int64(apVal[1]);
    }else{
      rc = fts5StorageNewRowid(p, piRowid);
    }
  }else{
    sqlite3_stmt *pInsert = 0;    /* Statement to write %_content table */
    int i;                        /* Counter variable */









    rc = fts5StorageGetStmt(p, FTS5_STMT_INSERT_CONTENT, &pInsert, 0);

    for(i=1; rc==SQLITE_OK && i<=pConfig->nCol+1; i++){
      rc = sqlite3_bind_value(pInsert, i, apVal[i]);
    }
    if( rc==SQLITE_OK ){
      sqlite3_step(pInsert);
      rc = sqlite3_reset(pInsert);
    }

static int fts5UnicodeAddExceptions(
  Unicode61Tokenizer *p,          /* Tokenizer object */
  const char *z,                  /* Characters to treat as exceptions */
  int bTokenChars                 /* 1 for 'tokenchars', 0 for 'separators' */
){
  int rc = SQLITE_OK;
  int n = strlen(z);
  int *aNew;

  if( n>0 ){
    aNew = (int*)sqlite3_realloc(p->aiException, (n+p->nException)*sizeof(int));
    if( aNew ){
      int nNew = p->nException;
      const unsigned char *zCsr = (const unsigned char*)z;

static int fts5UnicodeAddExceptions(
  Unicode61Tokenizer *p,          /* Tokenizer object */
  const char *z,                  /* Characters to treat as exceptions */
  int bTokenChars                 /* 1 for 'tokenchars', 0 for 'separators' */
){
  int rc = SQLITE_OK;
  int n = (int)strlen(z);
  int *aNew;

  if( n>0 ){
    aNew = (int*)sqlite3_realloc(p->aiException, (n+p->nException)*sizeof(int));
    if( aNew ){
      int nNew = p->nException;
      const unsigned char *zCsr = (const unsigned char*)z;

    *pzErr = sqlite3_mprintf("wrong number of vtable arguments");
    rc = SQLITE_ERROR;
  }else{
    int nByte;                      /* Bytes of space to allocate */
    const char *zDb = bDb ? argv[3] : argv[1];
    const char *zTab = bDb ? argv[4] : argv[3];
    const char *zType = bDb ? argv[5] : argv[4];
    int nDb = strlen(zDb)+1; 
    int nTab = strlen(zTab)+1;
    int eType;
    
    rc = fts5VocabTableType(zType, pzErr, &eType);
    if( rc==SQLITE_OK ){
      assert( eType>=0 && eType<sizeof(azSchema)/sizeof(azSchema[0]) );
      rc = sqlite3_declare_vtab(db, azSchema[eType]);
    }

    *pzErr = sqlite3_mprintf("wrong number of vtable arguments");
    rc = SQLITE_ERROR;
  }else{
    int nByte;                      /* Bytes of space to allocate */
    const char *zDb = bDb ? argv[3] : argv[1];
    const char *zTab = bDb ? argv[4] : argv[3];
    const char *zType = bDb ? argv[5] : argv[4];
    int nDb = (int)strlen(zDb)+1; 
    int nTab = (int)strlen(zTab)+1;
    int eType;
    
    rc = fts5VocabTableType(zType, pzErr, &eType);
    if( rc==SQLITE_OK ){
      assert( eType>=0 && eType<sizeof(azSchema)/sizeof(azSchema[0]) );
      rc = sqlite3_declare_vtab(db, azSchema[eType]);
    }

}

do_execsql_test 6.3 {
  REPLACE INTO t1(rowid, x, y) VALUES('22', 'l l l', 'l l l');
}

do_execsql_test 6.4 {




  INSERT INTO t1(t1) VALUES('integrity-check') 
}








#-------------------------------------------------------------------------
#
reset_db
expr srand(0)
do_execsql_test 7.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(x,y,z);

}

do_execsql_test 6.3 {
  REPLACE INTO t1(rowid, x, y) VALUES('22', 'l l l', 'l l l');
}

do_execsql_test 6.4 {
  REPLACE INTO t1(x, y) VALUES('x y z', 'x y z');
}

do_execsql_test 6.5 {
  INSERT INTO t1(t1) VALUES('integrity-check') 
}

do_execsql_test 6.6 {
  SELECT rowid, * FROM t1;
} {
  22 {l l l} {l l l}
  23 {x y z} {x y z}
}

#-------------------------------------------------------------------------
#
reset_db
expr srand(0)
do_execsql_test 7.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(x,y,z);

      }
      set {} {}
    } {}
    catch { db eval ROLLBACK }
  }
}

}

#------------------------------------------------------------------------
#
reset_db
do_execsql_test 6.1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(a);
  INSERT INTO t1 VALUES('bbbbb ccccc');
  SELECT quote(block) FROM t1_data WHERE rowid>100;
................................................................................
      ----------^^-----------------------------------------------------
    WHERE id>100;
}
do_catchsql_test 6.3.5 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}







































sqlite3_fts5_may_be_corrupt 0
finish_test

      }
      set {} {}
    } {}
    catch { db eval ROLLBACK }
  }
}



#------------------------------------------------------------------------
#
reset_db
do_execsql_test 6.1.0 {
  CREATE VIRTUAL TABLE t1 USING fts5(a);
  INSERT INTO t1 VALUES('bbbbb ccccc');
  SELECT quote(block) FROM t1_data WHERE rowid>100;
................................................................................
      ----------^^-----------------------------------------------------
    WHERE id>100;
}
do_catchsql_test 6.3.5 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}


}

#------------------------------------------------------------------------
#
reset_db
reset_db
proc rnddoc {n} {
  set map [list a b c d]
  set doc [list]
  for {set i 0} {$i < $n} {incr i} {
    lappend doc "x[lindex $map [expr int(rand()*4)]]"
  }
  set doc
}

db func rnddoc rnddoc
do_test 7.0 {
  execsql {
    CREATE VIRTUAL TABLE t5 USING fts5(x);
    INSERT INTO t5 VALUES( rnddoc(10000) );
    INSERT INTO t5 VALUES( rnddoc(10000) );
    INSERT INTO t5 VALUES( rnddoc(10000) );
    INSERT INTO t5 VALUES( rnddoc(10000) );
    INSERT INTO t5(t5) VALUES('optimize');
  }
} {}

do_test 7.1 {
  foreach i [db eval { SELECT rowid FROM t5_data WHERE rowid>100 }] {
    db eval BEGIN  
    db eval {DELETE FROM t5_data WHERE rowid = $i}
    set r [catchsql { INSERT INTO t5(t5) VALUES('integrity-check')} ]
    if {$r != "1 {database disk image is malformed}"} { error $r }
    db eval ROLLBACK  
  }
} {}

sqlite3_fts5_may_be_corrupt 0
finish_test

    INSERT INTO t2 VALUES('e a d a e d');
  }
} -body {
  db eval COMMIT
} -test {
  faultsim_test_result {0 {}}
}






















finish_test

    INSERT INTO t2 VALUES('e a d a e d');
  }
} -body {
  db eval COMMIT
} -test {
  faultsim_test_result {0 {}}
}

#-------------------------------------------------------------------------
# Test fault-injection when a segment is promoted.
#
reset_db
do_execsql_test 2.0 {
  CREATE VIRTUAL TABLE xy USING fts5(x);
  INSERT INTO xy(rowid, x) VALUES(1, '1 2 3');
  INSERT INTO xy(rowid, x) VALUES(2, '2 3 4');
  INSERT INTO xy(rowid, x) VALUES(3, '3 4 5');
}
faultsim_save_and_close

do_faultsim_test 2 -faults oom-* -prep {
  faultsim_restore_and_reopen
} -body {
  db eval { UPDATE OR REPLACE xy SET rowid=3 WHERE rowid = 2 }
} -test {
  faultsim_test_result {0 {}}
}


finish_test

set hash [sqlite3_fts5_token_hash 1024 xyz]
set vocab [build_vocab1 -prefix xyz -hash $hash]
lappend vocab xyz

do_execsql_test 1.1 {
  CREATE VIRTUAL TABLE vocab USING fts5vocab(eee, 'row'); 
  BEGIN;
    WITH ii(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM ii WHERE i<100)
    INSERT INTO eee SELECT r($vocab, 5), r($vocab, 7) FROM ii;
    INSERT INTO eee(eee) VALUES('integrity-check');
}



do_test 1.2 {
  db eval { SELECT term, doc FROM vocab } {
    set nRow [db one {SELECT count(*) FROM eee WHERE eee MATCH $term}]
    if {$nRow != $doc} {
      error "term=$term fts5vocab=$doc cnt=$nRow"
    }
  }

set hash [sqlite3_fts5_token_hash 1024 xyz]
set vocab [build_vocab1 -prefix xyz -hash $hash]
lappend vocab xyz

do_execsql_test 1.1 {
  CREATE VIRTUAL TABLE vocab USING fts5vocab(eee, 'row'); 
  BEGIN;
}
do_test 1.2 {
  for {set i 1} {$i <= 100} {incr i} {
    execsql { INSERT INTO eee VALUES( r($vocab, 5), r($vocab, 7) ) }
  }
} {}
  
do_test 1.2 {
  db eval { SELECT term, doc FROM vocab } {
    set nRow [db one {SELECT count(*) FROM eee WHERE eee MATCH $term}]
    if {$nRow != $doc} {
      error "term=$term fts5vocab=$doc cnt=$nRow"
    }
  }

      } $res
    }
  }
  execsql { INSERT INTO t3(t3) VALUES('optimize') }
  execsql { INSERT INTO t3(t3) VALUES('integrity-check') }
}








































































































finish_test

      } $res
    }
  }
  execsql { INSERT INTO t3(t3) VALUES('optimize') }
  execsql { INSERT INTO t3(t3) VALUES('integrity-check') }
}

#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 4.0 {
  CREATE VIRTUAL TABLE t2 USING fts5(c1, c2);
  INSERT INTO t2 VALUES('xa xb', 'xb xa');

  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 2
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 4
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 8
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 16
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 32
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 64
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 128
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 256
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 512
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 1024
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 2048
  INSERT INTO t2 SELECT c1||' '||c1, c2||' '||c2 FROM t2; -- 4096

  SELECT count(*) FROM t2('x*');
} {4096}

do_execsql_test 4.1 {
  UPDATE t2 SET c2 = 'ya yb';
  SELECT count(*) FROM t2('c1:x*');
  SELECT count(*) FROM t2('c2:x*');
} {4096 0}

do_execsql_test 4.2 {
  UPDATE t2 SET c2 = 'xa';
  SELECT count(*) FROM t2('c1:x*');
  SELECT count(*) FROM t2('c2:x*');
} {4096 4096}

#-------------------------------------------------------------------------
#
reset_db
proc rnddoc {n} {
  set map [list a b c d]
  set doc [list]
  for {set i 0} {$i < $n} {incr i} {
    lappend doc "x[lindex $map [expr int(rand()*4)]]"
  }
  set doc
}
set cols [list]
for {set i 1} {$i<250} {incr i} { 
  lappend cols "c$i" 
  lappend vals "'[rnddoc 10]'"
}

do_test 5.0 {
  execsql "CREATE VIRTUAL TABLE t4 USING fts5([join $cols ,])"
  execsql {INSERT INTO t4(t4, rank) VALUES('pgsz', 32)}
  execsql "INSERT INTO t4 VALUES([join $vals ,])"
  execsql "INSERT INTO t4 VALUES([join $vals ,])"
  execsql "INSERT INTO t4 VALUES([join $vals ,])"
  execsql "INSERT INTO t4 VALUES([join $vals ,])"
} {}

proc gmatch {col pattern} {
  expr {[lsearch -glob $col $pattern]>=0}
}
db func gmatch gmatch
foreach {tn col pattern} {
  1 c100 {xa*}
  2 c200 {xb*}
} {
  set res [db eval "SELECT rowid FROM t4 WHERE gmatch($col, \$pattern)"]
  set query "$col : $pattern"
  do_execsql_test 5.$tn { SELECT rowid FROM t4($query) } $res
}

reset_db
db func fts5_rnddoc fts5_rnddoc
do_test 6.0 {
  execsql {
    CREATE VIRTUAL TABLE t5 USING fts5(x, y);
    INSERT INTO t5 VALUES( fts5_rnddoc(10000), fts5_rnddoc(10000) );
    INSERT INTO t5 VALUES( fts5_rnddoc(10000), fts5_rnddoc(10000) );
    INSERT INTO t5 VALUES( fts5_rnddoc(10000), fts5_rnddoc(10000) );
    INSERT INTO t5 VALUES( fts5_rnddoc(10000), fts5_rnddoc(10000) );
  }
} {}

proc gmatch {col pattern} {
  expr {[lsearch -glob $col $pattern]>=0}
}
db func gmatch gmatch
foreach {tn col pattern} {
  1 y {xa*}
  2 y {xb*}
  3 y {xc*}
  4 x {xa*}
  5 x {xb*}
  6 x {xc*}
} {
  set res [db eval "SELECT rowid FROM t5 WHERE gmatch($col, \$pattern)"]
  set query "$col : $pattern"
  do_execsql_test 6.$tn { SELECT rowid FROM t5($query) } $res
}

finish_test

  }
} {}

do_execsql_test 12.2 {
  SELECT rowid FROM xx('x:a');
  COMMIT;
} {}























finish_test

  }
} {}

do_execsql_test 12.2 {
  SELECT rowid FROM xx('x:a');
  COMMIT;
} {}

#-------------------------------------------------------------------------
# Try an UPDATE OR REPLACE query.
#
do_execsql_test 13.1 {
  CREATE VIRTUAL TABLE xy USING fts5(x);
  INSERT INTO xy(rowid, x) VALUES(1, '1 2 3');
  INSERT INTO xy(rowid, x) VALUES(2, '2 3 4');
  INSERT INTO xy(rowid, x) VALUES(3, '3 4 5');
}

do_execsql_test 13.2 {
  UPDATE OR REPLACE xy SET rowid=3 WHERE rowid = 2;
  SELECT rowid, x FROM xy;
} {
  1 {1 2 3}
  3 {2 3 4}
}

do_execsql_test 13.3 {
  INSERT INTO xy(xy) VALUES('integrity-check');
}

finish_test

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_JSON1)
#if !defined(_SQLITEINT_H_)
#include "sqlite3ext.h"
#endif
SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>
#include <ctype.h>  /* amalgamator: keep */
#include <stdlib.h>
#include <stdarg.h>

#define UNUSED_PARAM(X)  (void)(X)

#ifndef LARGEST_INT64
# define LARGEST_INT64  (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
................................................................................
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif

/*
** Versions of isspace(), isalnum() and isdigit() to which it is safe
** to pass signed char values.
*/








#define safe_isdigit(x) isdigit((unsigned char)(x))
#define safe_isalnum(x) isalnum((unsigned char)(x))


/*
** Growing our own isspace() routine this way is twice as fast as
** the library isspace() function, resulting in a 7% overall performance
** increase for the parser.  (Ubuntu14.10 gcc 4.8.4 x64 with -Os).
*/
static const char jsonIsSpace[] = {
  0, 0, 0, 0, 0, 0, 0, 0,     0, 1, 1, 0, 1, 1, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  1, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
................................................................................
      if( pNode->u.zJContent[0]=='-' ){ i = -i; }
      sqlite3_result_int64(pCtx, i);
      int_done:
      break;
      int_as_real: /* fall through to real */;
    }
    case JSON_REAL: {





      double r = strtod(pNode->u.zJContent, 0);

      sqlite3_result_double(pCtx, r);
      break;
    }
    case JSON_STRING: {
#if 0 /* Never happens because JNODE_RAW is only set by json_set(),
      ** json_insert() and json_replace() and those routines do not
      ** call jsonReturn() */

#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_JSON1)
#if !defined(_SQLITEINT_H_)
#include "sqlite3ext.h"
#endif
SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>

#include <stdlib.h>
#include <stdarg.h>

#define UNUSED_PARAM(X)  (void)(X)

#ifndef LARGEST_INT64
# define LARGEST_INT64  (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
................................................................................
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif

/*
** Versions of isspace(), isalnum() and isdigit() to which it is safe
** to pass signed char values.
*/
#ifdef sqlite3Isdigit
   /* Use the SQLite core versions if this routine is part of the
   ** SQLite amalgamation */
#  define safe_isdigit(x) sqlite3Isdigit(x)
#  define safe_isalnum(x) sqlite3Isalnum(x)
#else
   /* Use the standard library for separate compilation */
#include <ctype.h>  /* amalgamator: keep */
#  define safe_isdigit(x) isdigit((unsigned char)(x))
#  define safe_isalnum(x) isalnum((unsigned char)(x))
#endif

/*
** Growing our own isspace() routine this way is twice as fast as
** the library isspace() function, resulting in a 7% overall performance
** increase for the parser.  (Ubuntu14.10 gcc 4.8.4 x64 with -Os).
*/
static const char jsonIsSpace[] = {
  0, 0, 0, 0, 0, 0, 0, 0,     0, 1, 1, 0, 0, 1, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  1, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
  0, 0, 0, 0, 0, 0, 0, 0,     0, 0, 0, 0, 0, 0, 0, 0,
................................................................................
      if( pNode->u.zJContent[0]=='-' ){ i = -i; }
      sqlite3_result_int64(pCtx, i);
      int_done:
      break;
      int_as_real: /* fall through to real */;
    }
    case JSON_REAL: {
      double r;
#ifdef SQLITE_AMALGAMATION
      const char *z = pNode->u.zJContent;
      sqlite3AtoF(z, &r, sqlite3Strlen30(z), SQLITE_UTF8);
#else
      r = strtod(pNode->u.zJContent, 0);
#endif
      sqlite3_result_double(pCtx, r);
      break;
    }
    case JSON_STRING: {
#if 0 /* Never happens because JNODE_RAW is only set by json_set(),
      ** json_insert() and json_replace() and those routines do not
      ** call jsonReturn() */

  if( iCol>=0 ){
    sqlite3ColumnDefault(v, pTab, iCol, regOut);
  }
}

/*
** Generate code that will extract the iColumn-th column from
** table pTab and store the column value in a register.  An effort

** is made to store the column value in register iReg, but this is
** not guaranteed.  The location of the column value is returned.



**
** There must be an open cursor to pTab in iTable when this routine
** is called.  If iColumn<0 then code is generated that extracts the rowid.
*/
int sqlite3ExprCodeGetColumn(
  Parse *pParse,   /* Parsing and code generating context */
  Table *pTab,     /* Description of the table we are reading from */
  int iColumn,     /* Index of the table column */
  int iTable,      /* The cursor pointing to the table */
  int iReg,        /* Store results here */
  u8 p5            /* P5 value for OP_Column */
){
  Vdbe *v = pParse->pVdbe;
  int i;
  struct yColCache *p;

  for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
    if( p->iReg>0 && p->iTable==iTable && p->iColumn==iColumn ){
................................................................................
  if( p5 ){
    sqlite3VdbeChangeP5(v, p5);
  }else{   
    sqlite3ExprCacheStore(pParse, iTable, iColumn, iReg);
  }
  return iReg;
}












/*
** Clear all column cache entries.
*/
void sqlite3ExprCacheClear(Parse *pParse){
  int i;
  struct yColCache *p;

  if( iCol>=0 ){
    sqlite3ColumnDefault(v, pTab, iCol, regOut);
  }
}

/*
** Generate code that will extract the iColumn-th column from
** table pTab and store the column value in a register. 
**
** An effort is made to store the column value in register iReg.  This

** is not garanteeed for GetColumn() - the result can be stored in
** any register.  But the result is guaranteed to land in register iReg
** for GetColumnToReg().
**
** There must be an open cursor to pTab in iTable when this routine
** is called.  If iColumn<0 then code is generated that extracts the rowid.
*/
int sqlite3ExprCodeGetColumn(
  Parse *pParse,   /* Parsing and code generating context */
  Table *pTab,     /* Description of the table we are reading from */
  int iColumn,     /* Index of the table column */
  int iTable,      /* The cursor pointing to the table */
  int iReg,        /* Store results here */
  u8 p5            /* P5 value for OP_Column + FLAGS */
){
  Vdbe *v = pParse->pVdbe;
  int i;
  struct yColCache *p;

  for(i=0, p=pParse->aColCache; i<SQLITE_N_COLCACHE; i++, p++){
    if( p->iReg>0 && p->iTable==iTable && p->iColumn==iColumn ){
................................................................................
  if( p5 ){
    sqlite3VdbeChangeP5(v, p5);
  }else{   
    sqlite3ExprCacheStore(pParse, iTable, iColumn, iReg);
  }
  return iReg;
}
void sqlite3ExprCodeGetColumnToReg(
  Parse *pParse,   /* Parsing and code generating context */
  Table *pTab,     /* Description of the table we are reading from */
  int iColumn,     /* Index of the table column */
  int iTable,      /* The cursor pointing to the table */
  int iReg         /* Store results here */
){
  int r1 = sqlite3ExprCodeGetColumn(pParse, pTab, iColumn, iTable, iReg, 0);
  if( r1!=iReg ) sqlite3VdbeAddOp2(pParse->pVdbe, OP_SCopy, r1, iReg);
}


/*
** Clear all column cache entries.
*/
void sqlite3ExprCacheClear(Parse *pParse){
  int i;
  struct yColCache *p;

        if( iField==XN_ROWID || iField==pTab->iPKey ){
          if( regRowid==regIdx+i ) continue; /* ROWID already in regIdx+i */
          x = regNewData;
          regRowid =  pIdx->pPartIdxWhere ? -1 : regIdx+i;
        }else{
          x = iField + regNewData + 1;
        }
        sqlite3VdbeAddOp2(v, OP_SCopy, x, regIdx+i);
        VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
      }
    }
    sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
    VdbeComment((v, "for %s", pIdx->zName));
    sqlite3ExprCacheAffinityChange(pParse, regIdx, pIdx->nColumn);

        if( iField==XN_ROWID || iField==pTab->iPKey ){
          if( regRowid==regIdx+i ) continue; /* ROWID already in regIdx+i */
          x = regNewData;
          regRowid =  pIdx->pPartIdxWhere ? -1 : regIdx+i;
        }else{
          x = iField + regNewData + 1;
        }
        sqlite3VdbeAddOp2(v, iField<0 ? OP_IntCopy : OP_SCopy, x, regIdx+i);
        VdbeComment((v, "%s", iField<0 ? "rowid" : pTab->aCol[iField].zName));
      }
    }
    sqlite3VdbeAddOp3(v, OP_MakeRecord, regIdx, pIdx->nColumn, aRegIdx[ix]);
    VdbeComment((v, "for %s", pIdx->zName));
    sqlite3ExprCacheAffinityChange(pParse, regIdx, pIdx->nColumn);

/*
** The auto-extension code added regardless of whether or not extension
** loading is supported.  We need a dummy sqlite3Apis pointer for that
** code if regular extension loading is not available.  This is that
** dummy pointer.
*/
#ifdef SQLITE_OMIT_LOAD_EXTENSION
static const sqlite3_api_routines sqlite3Apis;
#endif


/*
** The following object holds the list of automatically loaded
** extensions.
**

/*
** The auto-extension code added regardless of whether or not extension
** loading is supported.  We need a dummy sqlite3Apis pointer for that
** code if regular extension loading is not available.  This is that
** dummy pointer.
*/
#ifdef SQLITE_OMIT_LOAD_EXTENSION
static const sqlite3_api_routines sqlite3Apis = { 0 };
#endif


/*
** The following object holds the list of automatically loaded
** extensions.
**

*/
int sqlite3MallocInit(void){
  int rc;
  if( sqlite3GlobalConfig.m.xMalloc==0 ){
    sqlite3MemSetDefault();
  }
  memset(&mem0, 0, sizeof(mem0));
  if( sqlite3GlobalConfig.bCoreMutex ){
    mem0.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MEM);
  }
  if( sqlite3GlobalConfig.pScratch && sqlite3GlobalConfig.szScratch>=100
      && sqlite3GlobalConfig.nScratch>0 ){
    int i, n, sz;
    ScratchFreeslot *pSlot;
    sz = ROUNDDOWN8(sqlite3GlobalConfig.szScratch);
    sqlite3GlobalConfig.szScratch = sz;
    pSlot = (ScratchFreeslot*)sqlite3GlobalConfig.pScratch;
................................................................................
** lock is already held.
*/
static int mallocWithAlarm(int n, void **pp){
  int nFull;
  void *p;
  assert( sqlite3_mutex_held(mem0.mutex) );
  nFull = sqlite3GlobalConfig.m.xRoundup(n);
  sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, n);
  if( mem0.alarmThreshold>0 ){
    sqlite3_int64 nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED);
    if( nUsed >= mem0.alarmThreshold - nFull ){
      mem0.nearlyFull = 1;
      sqlite3MallocAlarm(nFull);
    }else{
      mem0.nearlyFull = 0;
................................................................................
** embedded processor.
*/
void *sqlite3ScratchMalloc(int n){
  void *p;
  assert( n>0 );

  sqlite3_mutex_enter(mem0.mutex);
  sqlite3StatusSet(SQLITE_STATUS_SCRATCH_SIZE, n);
  if( mem0.nScratchFree && sqlite3GlobalConfig.szScratch>=n ){
    p = mem0.pScratchFree;
    mem0.pScratchFree = mem0.pScratchFree->pNext;
    mem0.nScratchFree--;
    sqlite3StatusUp(SQLITE_STATUS_SCRATCH_USED, 1);
    sqlite3_mutex_leave(mem0.mutex);
  }else{
................................................................................
** sqlite3Malloc() or sqlite3_malloc().
*/
int sqlite3MallocSize(void *p){
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  return sqlite3GlobalConfig.m.xSize(p);
}
int sqlite3DbMallocSize(sqlite3 *db, void *p){

  if( db==0 || !isLookaside(db,p) ){
#if SQLITE_DEBUG
    if( db==0 ){
      assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
      assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
    }else{
      assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
................................................................................
    assert( sqlite3_mutex_held(db->mutex) );
    return db->lookaside.sz;
  }
}
sqlite3_uint64 sqlite3_msize(void *p){
  assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  return (sqlite3_uint64)sqlite3GlobalConfig.m.xSize(p);
}

/*
** Free memory previously obtained from sqlite3Malloc().
*/
void sqlite3_free(void *p){
  if( p==0 ) return;  /* IMP: R-49053-54554 */
................................................................................
}

/*
** Add the size of memory allocation "p" to the count in
** *db->pnBytesFreed.
*/
static SQLITE_NOINLINE void measureAllocationSize(sqlite3 *db, void *p){
  *db->pnBytesFreed += sqlite3DbMallocSize(db,p);
}

/*
** Free memory that might be associated with a particular database
** connection.
*/
void sqlite3DbFree(sqlite3 *db, void *p){
................................................................................
  ** argument to xRealloc is always a value returned by a prior call to
  ** xRoundup. */
  nNew = sqlite3GlobalConfig.m.xRoundup((int)nBytes);
  if( nOld==nNew ){
    pNew = pOld;
  }else if( sqlite3GlobalConfig.bMemstat ){
    sqlite3_mutex_enter(mem0.mutex);
    sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes);
    nDiff = nNew - nOld;
    if( sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >= 
          mem0.alarmThreshold-nDiff ){
      sqlite3MallocAlarm(nDiff);
    }
    pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
    if( pNew==0 && mem0.alarmThreshold>0 ){

*/
int sqlite3MallocInit(void){
  int rc;
  if( sqlite3GlobalConfig.m.xMalloc==0 ){
    sqlite3MemSetDefault();
  }
  memset(&mem0, 0, sizeof(mem0));

  mem0.mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MEM);

  if( sqlite3GlobalConfig.pScratch && sqlite3GlobalConfig.szScratch>=100
      && sqlite3GlobalConfig.nScratch>0 ){
    int i, n, sz;
    ScratchFreeslot *pSlot;
    sz = ROUNDDOWN8(sqlite3GlobalConfig.szScratch);
    sqlite3GlobalConfig.szScratch = sz;
    pSlot = (ScratchFreeslot*)sqlite3GlobalConfig.pScratch;
................................................................................
** lock is already held.
*/
static int mallocWithAlarm(int n, void **pp){
  int nFull;
  void *p;
  assert( sqlite3_mutex_held(mem0.mutex) );
  nFull = sqlite3GlobalConfig.m.xRoundup(n);
  sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, n);
  if( mem0.alarmThreshold>0 ){
    sqlite3_int64 nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED);
    if( nUsed >= mem0.alarmThreshold - nFull ){
      mem0.nearlyFull = 1;
      sqlite3MallocAlarm(nFull);
    }else{
      mem0.nearlyFull = 0;
................................................................................
** embedded processor.
*/
void *sqlite3ScratchMalloc(int n){
  void *p;
  assert( n>0 );

  sqlite3_mutex_enter(mem0.mutex);
  sqlite3StatusHighwater(SQLITE_STATUS_SCRATCH_SIZE, n);
  if( mem0.nScratchFree && sqlite3GlobalConfig.szScratch>=n ){
    p = mem0.pScratchFree;
    mem0.pScratchFree = mem0.pScratchFree->pNext;
    mem0.nScratchFree--;
    sqlite3StatusUp(SQLITE_STATUS_SCRATCH_USED, 1);
    sqlite3_mutex_leave(mem0.mutex);
  }else{
................................................................................
** sqlite3Malloc() or sqlite3_malloc().
*/
int sqlite3MallocSize(void *p){
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  return sqlite3GlobalConfig.m.xSize(p);
}
int sqlite3DbMallocSize(sqlite3 *db, void *p){
  assert( p!=0 );
  if( db==0 || !isLookaside(db,p) ){
#if SQLITE_DEBUG
    if( db==0 ){
      assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
      assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
    }else{
      assert( sqlite3MemdebugHasType(p, (MEMTYPE_LOOKASIDE|MEMTYPE_HEAP)) );
................................................................................
    assert( sqlite3_mutex_held(db->mutex) );
    return db->lookaside.sz;
  }
}
sqlite3_uint64 sqlite3_msize(void *p){
  assert( sqlite3MemdebugNoType(p, (u8)~MEMTYPE_HEAP) );
  assert( sqlite3MemdebugHasType(p, MEMTYPE_HEAP) );
  return p ? sqlite3GlobalConfig.m.xSize(p) : 0;
}

/*
** Free memory previously obtained from sqlite3Malloc().
*/
void sqlite3_free(void *p){
  if( p==0 ) return;  /* IMP: R-49053-54554 */
................................................................................
}

/*
** Add the size of memory allocation "p" to the count in
** *db->pnBytesFreed.
*/
static SQLITE_NOINLINE void measureAllocationSize(sqlite3 *db, void *p){
  if( p ) *db->pnBytesFreed += sqlite3DbMallocSize(db,p);
}

/*
** Free memory that might be associated with a particular database
** connection.
*/
void sqlite3DbFree(sqlite3 *db, void *p){
................................................................................
  ** argument to xRealloc is always a value returned by a prior call to
  ** xRoundup. */
  nNew = sqlite3GlobalConfig.m.xRoundup((int)nBytes);
  if( nOld==nNew ){
    pNew = pOld;
  }else if( sqlite3GlobalConfig.bMemstat ){
    sqlite3_mutex_enter(mem0.mutex);
    sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes);
    nDiff = nNew - nOld;
    if( sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >= 
          mem0.alarmThreshold-nDiff ){
      sqlite3MallocAlarm(nDiff);
    }
    pNew = sqlite3GlobalConfig.m.xRealloc(pOld, nNew);
    if( pNew==0 && mem0.alarmThreshold>0 ){

}

/*
** Report the allocated size of a prior return from xMalloc()
** or xRealloc().
*/
static int sqlite3MemSize(void *pPrior){

#ifdef SQLITE_MALLOCSIZE
  return pPrior ? (int)SQLITE_MALLOCSIZE(pPrior) : 0;
#else
  sqlite3_int64 *p;
  if( pPrior==0 ) return 0;
  p = (sqlite3_int64*)pPrior;
  p--;
  return (int)p[0];
#endif
}

/*

}

/*
** Report the allocated size of a prior return from xMalloc()
** or xRealloc().
*/
static int sqlite3MemSize(void *pPrior){
  assert( pPrior!=0 );
#ifdef SQLITE_MALLOCSIZE
  return (int)SQLITE_MALLOCSIZE(pPrior);
#else
  sqlite3_int64 *p;

  p = (sqlite3_int64*)pPrior;
  p--;
  return (int)p[0];
#endif
}

/*

/*
** Return the size of an outstanding allocation, in bytes.  The
** size returned omits the 8-byte header overhead.  This only
** works for chunks that are currently checked out.
*/
static int memsys3Size(void *p){
  Mem3Block *pBlock;
  if( p==0 ) return 0;
  pBlock = (Mem3Block*)p;
  assert( (pBlock[-1].u.hdr.size4x&1)!=0 );
  return (pBlock[-1].u.hdr.size4x&~3)*2 - 4;
}

/*
** Round up a request size to the next valid allocation size.

/*
** Return the size of an outstanding allocation, in bytes.  The
** size returned omits the 8-byte header overhead.  This only
** works for chunks that are currently checked out.
*/
static int memsys3Size(void *p){
  Mem3Block *pBlock;
  assert( p!=0 );
  pBlock = (Mem3Block*)p;
  assert( (pBlock[-1].u.hdr.size4x&1)!=0 );
  return (pBlock[-1].u.hdr.size4x&~3)*2 - 4;
}

/*
** Round up a request size to the next valid allocation size.

/*
** Return the size of an outstanding allocation, in bytes.  The
** size returned omits the 8-byte header overhead.  This only
** works for chunks that are currently checked out.
*/
static int memsys5Size(void *p){
  int iSize = 0;
  if( p ){
    int i = (int)(((u8 *)p-mem5.zPool)/mem5.szAtom);
    assert( i>=0 && i<mem5.nBlock );
    iSize = mem5.szAtom * (1 << (mem5.aCtrl[i]&CTRL_LOGSIZE));
  }
  return iSize;
}

/*
** Return a block of memory of at least nBytes in size.
** Return NULL if unable.  Return NULL if nBytes==0.
**

/*
** Return the size of an outstanding allocation, in bytes.  The
** size returned omits the 8-byte header overhead.  This only
** works for chunks that are currently checked out.
*/
static int memsys5Size(void *p){
  int iSize, i;
  assert( p!=0 );
  i = (int)(((u8 *)p-mem5.zPool)/mem5.szAtom);
  assert( i>=0 && i<mem5.nBlock );
  iSize = mem5.szAtom * (1 << (mem5.aCtrl[i]&CTRL_LOGSIZE));

  return iSize;
}

/*
** Return a block of memory of at least nBytes in size.
** Return NULL if unable.  Return NULL if nBytes==0.
**

    sqlite3_mutex_enter(pcache1.mutex);
    p = (PgHdr1 *)pcache1.pFree;
    if( p ){
      pcache1.pFree = pcache1.pFree->pNext;
      pcache1.nFreeSlot--;
      pcache1.bUnderPressure = pcache1.nFreeSlot<pcache1.nReserve;
      assert( pcache1.nFreeSlot>=0 );
      sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
      sqlite3StatusUp(SQLITE_STATUS_PAGECACHE_USED, 1);
    }
    sqlite3_mutex_leave(pcache1.mutex);
  }
  if( p==0 ){
    /* Memory is not available in the SQLITE_CONFIG_PAGECACHE pool.  Get
    ** it from sqlite3Malloc instead.
    */
    p = sqlite3Malloc(nByte);
#ifndef SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS
    if( p ){
      int sz = sqlite3MallocSize(p);
      sqlite3_mutex_enter(pcache1.mutex);
      sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
      sqlite3StatusUp(SQLITE_STATUS_PAGECACHE_OVERFLOW, sz);
      sqlite3_mutex_leave(pcache1.mutex);
    }
#endif
    sqlite3MemdebugSetType(p, MEMTYPE_PCACHE);
  }
  return p;

    sqlite3_mutex_enter(pcache1.mutex);
    p = (PgHdr1 *)pcache1.pFree;
    if( p ){
      pcache1.pFree = pcache1.pFree->pNext;
      pcache1.nFreeSlot--;
      pcache1.bUnderPressure = pcache1.nFreeSlot<pcache1.nReserve;
      assert( pcache1.nFreeSlot>=0 );
      sqlite3StatusHighwater(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
      sqlite3StatusUp(SQLITE_STATUS_PAGECACHE_USED, 1);
    }
    sqlite3_mutex_leave(pcache1.mutex);
  }
  if( p==0 ){
    /* Memory is not available in the SQLITE_CONFIG_PAGECACHE pool.  Get
    ** it from sqlite3Malloc instead.
    */
    p = sqlite3Malloc(nByte);
#ifndef SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS
    if( p ){
      int sz = sqlite3MallocSize(p);
      sqlite3_mutex_enter(pcache1.mutex);
      sqlite3StatusHighwater(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
      sqlite3StatusUp(SQLITE_STATUS_PAGECACHE_OVERFLOW, sz);
      sqlite3_mutex_leave(pcache1.mutex);
    }
#endif
    sqlite3MemdebugSetType(p, MEMTYPE_PCACHE);
  }
  return p;

        sqlite3ExprCacheClear(pParse);
        sqlite3ExprCodeExprList(pParse, pGroupBy, regBase, 0, 0);
        j = nGroupBy;
        for(i=0; i<sAggInfo.nColumn; i++){
          struct AggInfo_col *pCol = &sAggInfo.aCol[i];
          if( pCol->iSorterColumn>=j ){
            int r1 = j + regBase;
            int r2;

            r2 = sqlite3ExprCodeGetColumn(pParse, 
                               pCol->pTab, pCol->iColumn, pCol->iTable, r1, 0);
            if( r1!=r2 ){
              sqlite3VdbeAddOp2(v, OP_SCopy, r2, r1);
            }
            j++;
          }
        }
        regRecord = sqlite3GetTempReg(pParse);
        sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord);
        sqlite3VdbeAddOp2(v, OP_SorterInsert, sAggInfo.sortingIdx, regRecord);
        sqlite3ReleaseTempReg(pParse, regRecord);

        sqlite3ExprCacheClear(pParse);
        sqlite3ExprCodeExprList(pParse, pGroupBy, regBase, 0, 0);
        j = nGroupBy;
        for(i=0; i<sAggInfo.nColumn; i++){
          struct AggInfo_col *pCol = &sAggInfo.aCol[i];
          if( pCol->iSorterColumn>=j ){
            int r1 = j + regBase;


            sqlite3ExprCodeGetColumnToReg(pParse, 
                               pCol->pTab, pCol->iColumn, pCol->iTable, r1);



            j++;
          }
        }
        regRecord = sqlite3GetTempReg(pParse);
        sqlite3VdbeAddOp3(v, OP_MakeRecord, regBase, nCol, regRecord);
        sqlite3VdbeAddOp2(v, OP_SorterInsert, sAggInfo.sortingIdx, regRecord);
        sqlite3ReleaseTempReg(pParse, regRecord);

** [[SQLITE_STATUS_SCRATCH_SIZE]] ^(<dt>SQLITE_STATUS_SCRATCH_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [scratch memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** [[SQLITE_STATUS_PARSER_STACK]] ^(<dt>SQLITE_STATUS_PARSER_STACK</dt>
** <dd>This parameter records the deepest parser stack.  It is only

** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>)^
** </dl>
**
** New status parameters may be added from time to time.
*/
#define SQLITE_STATUS_MEMORY_USED          0
#define SQLITE_STATUS_PAGECACHE_USED       1

** [[SQLITE_STATUS_SCRATCH_SIZE]] ^(<dt>SQLITE_STATUS_SCRATCH_SIZE</dt>
** <dd>This parameter records the largest memory allocation request
** handed to [scratch memory allocator].  Only the value returned in the
** *pHighwater parameter to [sqlite3_status()] is of interest.  
** The value written into the *pCurrent parameter is undefined.</dd>)^
**
** [[SQLITE_STATUS_PARSER_STACK]] ^(<dt>SQLITE_STATUS_PARSER_STACK</dt>
** <dd>The *pHighwater parameter records the deepest parser stack. 
** The *pCurrent value is undefined.  The *pHighwater value is only
** meaningful if SQLite is compiled with [YYTRACKMAXSTACKDEPTH].</dd>)^
** </dl>
**
** New status parameters may be added from time to time.
*/
#define SQLITE_STATUS_MEMORY_USED          0
#define SQLITE_STATUS_PAGECACHE_USED       1

#else
# define sqlite3MemoryBarrier()
#endif

sqlite3_int64 sqlite3StatusValue(int);
void sqlite3StatusUp(int, int);
void sqlite3StatusDown(int, int);
void sqlite3StatusSet(int, int);

/* Access to mutexes used by sqlite3_status() */
sqlite3_mutex *sqlite3Pcache1Mutex(void);
sqlite3_mutex *sqlite3MallocMutex(void);

#ifndef SQLITE_OMIT_FLOATING_POINT
  int sqlite3IsNaN(double);
................................................................................
int sqlite3WhereBreakLabel(WhereInfo*);
int sqlite3WhereOkOnePass(WhereInfo*, int*);
#define ONEPASS_OFF      0        /* Use of ONEPASS not allowed */
#define ONEPASS_SINGLE   1        /* ONEPASS valid for a single row update */
#define ONEPASS_MULTI    2        /* ONEPASS is valid for multiple rows */
void sqlite3ExprCodeLoadIndexColumn(Parse*, Index*, int, int, int);
int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8);

void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int);
void sqlite3ExprCodeMove(Parse*, int, int, int);
void sqlite3ExprCacheStore(Parse*, int, int, int);
void sqlite3ExprCachePush(Parse*);
void sqlite3ExprCachePop(Parse*);
void sqlite3ExprCacheRemove(Parse*, int, int);
void sqlite3ExprCacheClear(Parse*);

#else
# define sqlite3MemoryBarrier()
#endif

sqlite3_int64 sqlite3StatusValue(int);
void sqlite3StatusUp(int, int);
void sqlite3StatusDown(int, int);
void sqlite3StatusHighwater(int, int);

/* Access to mutexes used by sqlite3_status() */
sqlite3_mutex *sqlite3Pcache1Mutex(void);
sqlite3_mutex *sqlite3MallocMutex(void);

#ifndef SQLITE_OMIT_FLOATING_POINT
  int sqlite3IsNaN(double);
................................................................................
int sqlite3WhereBreakLabel(WhereInfo*);
int sqlite3WhereOkOnePass(WhereInfo*, int*);
#define ONEPASS_OFF      0        /* Use of ONEPASS not allowed */
#define ONEPASS_SINGLE   1        /* ONEPASS valid for a single row update */
#define ONEPASS_MULTI    2        /* ONEPASS is valid for multiple rows */
void sqlite3ExprCodeLoadIndexColumn(Parse*, Index*, int, int, int);
int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8);
void sqlite3ExprCodeGetColumnToReg(Parse*, Table*, int, int, int);
void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int);
void sqlite3ExprCodeMove(Parse*, int, int, int);
void sqlite3ExprCacheStore(Parse*, int, int, int);
void sqlite3ExprCachePush(Parse*);
void sqlite3ExprCachePop(Parse*);
void sqlite3ExprCacheRemove(Parse*, int, int);
void sqlite3ExprCacheClear(Parse*);

  assert( sqlite3_mutex_held(statMutex[op] ? sqlite3Pcache1Mutex()
                                           : sqlite3MallocMutex()) );
  assert( op>=0 && op<ArraySize(wsdStat.nowValue) );
  wsdStat.nowValue[op] -= N;
}

/*
** Set the value of a status to X.  The highwater mark is adjusted if
** necessary.  The caller must hold the appropriate mutex.
*/
void sqlite3StatusSet(int op, int X){
  wsdStatInit;
  assert( op>=0 && op<ArraySize(wsdStat.nowValue) );
  assert( op>=0 && op<ArraySize(statMutex) );
  assert( sqlite3_mutex_held(statMutex[op] ? sqlite3Pcache1Mutex()
                                           : sqlite3MallocMutex()) );
  wsdStat.nowValue[op] = X;



  if( wsdStat.nowValue[op]>wsdStat.mxValue[op] ){
    wsdStat.mxValue[op] = wsdStat.nowValue[op];
  }
}

/*
** Query status information.
*/
int sqlite3_status64(
................................................................................

          nByte += sqlite3GlobalConfig.m.xRoundup(sizeof(HashElem)) * (
              pSchema->tblHash.count 
            + pSchema->trigHash.count
            + pSchema->idxHash.count
            + pSchema->fkeyHash.count
          );
          nByte += sqlite3MallocSize(pSchema->tblHash.ht);
          nByte += sqlite3MallocSize(pSchema->trigHash.ht);
          nByte += sqlite3MallocSize(pSchema->idxHash.ht);
          nByte += sqlite3MallocSize(pSchema->fkeyHash.ht);

          for(p=sqliteHashFirst(&pSchema->trigHash); p; p=sqliteHashNext(p)){
            sqlite3DeleteTrigger(db, (Trigger*)sqliteHashData(p));
          }
          for(p=sqliteHashFirst(&pSchema->tblHash); p; p=sqliteHashNext(p)){
            sqlite3DeleteTable(db, (Table *)sqliteHashData(p));
          }

  assert( sqlite3_mutex_held(statMutex[op] ? sqlite3Pcache1Mutex()
                                           : sqlite3MallocMutex()) );
  assert( op>=0 && op<ArraySize(wsdStat.nowValue) );
  wsdStat.nowValue[op] -= N;
}

/*
** Adjust the highwater mark if necessary.
** The caller must hold the appropriate mutex.
*/
void sqlite3StatusHighwater(int op, int X){
  wsdStatInit;
  assert( op>=0 && op<ArraySize(wsdStat.nowValue) );
  assert( op>=0 && op<ArraySize(statMutex) );
  assert( sqlite3_mutex_held(statMutex[op] ? sqlite3Pcache1Mutex()
                                           : sqlite3MallocMutex()) );
  assert( op==SQLITE_STATUS_MALLOC_SIZE
          || op==SQLITE_STATUS_PAGECACHE_SIZE
          || op==SQLITE_STATUS_SCRATCH_SIZE
          || op==SQLITE_STATUS_PARSER_STACK );
  if( X>wsdStat.mxValue[op] ){
    wsdStat.mxValue[op] = X;
  }
}

/*
** Query status information.
*/
int sqlite3_status64(
................................................................................

          nByte += sqlite3GlobalConfig.m.xRoundup(sizeof(HashElem)) * (
              pSchema->tblHash.count 
            + pSchema->trigHash.count
            + pSchema->idxHash.count
            + pSchema->fkeyHash.count
          );
          nByte += sqlite3_msize(pSchema->tblHash.ht);
          nByte += sqlite3_msize(pSchema->trigHash.ht);
          nByte += sqlite3_msize(pSchema->idxHash.ht);
          nByte += sqlite3_msize(pSchema->fkeyHash.ht);

          for(p=sqliteHashFirst(&pSchema->trigHash); p; p=sqliteHashNext(p)){
            sqlite3DeleteTrigger(db, (Trigger*)sqliteHashData(p));
          }
          for(p=sqliteHashFirst(&pSchema->tblHash); p; p=sqliteHashNext(p)){
            sqlite3DeleteTable(db, (Table *)sqliteHashData(p));
          }

    }
    if( pParse->rc==SQLITE_OK && db->mallocFailed==0 ){
      sqlite3Parser(pEngine, 0, pParse->sLastToken, pParse);
    }
  }
#ifdef YYTRACKMAXSTACKDEPTH
  sqlite3_mutex_enter(sqlite3MallocMutex());
  sqlite3StatusSet(SQLITE_STATUS_PARSER_STACK,
      sqlite3ParserStackPeak(pEngine)
  );
  sqlite3_mutex_leave(sqlite3MallocMutex());
#endif /* YYDEBUG */
  sqlite3ParserFree(pEngine, sqlite3_free);
  db->lookaside.bEnabled = enableLookaside;
  if( db->mallocFailed ){

    }
    if( pParse->rc==SQLITE_OK && db->mallocFailed==0 ){
      sqlite3Parser(pEngine, 0, pParse->sLastToken, pParse);
    }
  }
#ifdef YYTRACKMAXSTACKDEPTH
  sqlite3_mutex_enter(sqlite3MallocMutex());
  sqlite3StatusHighwater(SQLITE_STATUS_PARSER_STACK,
      sqlite3ParserStackPeak(pEngine)
  );
  sqlite3_mutex_leave(sqlite3MallocMutex());
#endif /* YYDEBUG */
  sqlite3ParserFree(pEngine, sqlite3_free);
  db->lookaside.bEnabled = enableLookaside;
  if( db->mallocFailed ){

        /* This branch loads the value of a column that will not be changed 
        ** into a register. This is done if there are no BEFORE triggers, or
        ** if there are one or more BEFORE triggers that use this value via
        ** a new.* reference in a trigger program.
        */
        testcase( i==31 );
        testcase( i==32 );
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i);
      }else{
        sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i);
      }
    }
  }

  /* Fire any BEFORE UPDATE triggers. This happens before constraints are

        /* This branch loads the value of a column that will not be changed 
        ** into a register. This is done if there are no BEFORE triggers, or
        ** if there are one or more BEFORE triggers that use this value via
        ** a new.* reference in a trigger program.
        */
        testcase( i==31 );
        testcase( i==32 );
        sqlite3ExprCodeGetColumnToReg(pParse, pTab, i, iDataCur, regNew+i);
      }else{
        sqlite3VdbeAddOp2(v, OP_Null, 0, regNew+i);
      }
    }
  }

  /* Fire any BEFORE UPDATE triggers. This happens before constraints are

  return 1;
}
#endif

/*
** Return the register of pOp->p2 after first preparing it to be
** overwritten with an integer value.
*/ 





static Mem *out2Prerelease(Vdbe *p, VdbeOp *pOp){
  Mem *pOut;
  assert( pOp->p2>0 );
  assert( pOp->p2<=(p->nMem-p->nCursor) );
  pOut = &p->aMem[pOp->p2];
  memAboutToChange(p, pOut);
  if( VdbeMemDynamic(pOut) ) sqlite3VdbeMemSetNull(pOut);


  pOut->flags = MEM_Int;
  return pOut;

}


/*
** Execute as much of a VDBE program as we can.
** This is the core of sqlite3_step().  
*/
................................................................................
  assert( pOut!=pIn1 );
  sqlite3VdbeMemShallowCopy(pOut, pIn1, MEM_Ephem);
#ifdef SQLITE_DEBUG
  if( pOut->pScopyFrom==0 ) pOut->pScopyFrom = pIn1;
#endif
  break;
}

















/* Opcode: ResultRow P1 P2 * * *
** Synopsis:  output=r[P1@P2]
**
** The registers P1 through P1+P2-1 contain a single row of
** results. This opcode causes the sqlite3_step() call to terminate
** with an SQLITE_ROW return code and it sets up the sqlite3_stmt
................................................................................
  int i;             /* Loop counter */
  Mem *pDest;        /* Where to write the extracted value */
  Mem sMem;          /* For storing the record being decoded */
  const u8 *zData;   /* Part of the record being decoded */
  const u8 *zHdr;    /* Next unparsed byte of the header */
  const u8 *zEndHdr; /* Pointer to first byte after the header */
  u32 offset;        /* Offset into the data */
  u32 szField;       /* Number of bytes in the content of a field */
  u32 avail;         /* Number of bytes of available data */
  u32 t;             /* A type code from the record header */
  u16 fx;            /* pDest->flags value */
  Mem *pReg;         /* PseudoTable input register */

  p2 = pOp->p2;
  assert( pOp->p3>0 && pOp->p3<=(p->nMem-p->nCursor) );
................................................................................
      }
    }
    pC->cacheStatus = p->cacheCtr;
    pC->iHdrOffset = getVarint32(pC->aRow, offset);
    pC->nHdrParsed = 0;
    aOffset[0] = offset;

    /* Make sure a corrupt database has not given us an oversize header.
    ** Do this now to avoid an oversize memory allocation.
    **
    ** Type entries can be between 1 and 5 bytes each.  But 4 and 5 byte
    ** types use so much data space that there can only be 4096 and 32 of
    ** them, respectively.  So the maximum header length results from a
    ** 3-byte type for each of the maximum of 32768 columns plus three
    ** extra bytes for the header length itself.  32768*3 + 3 = 98307.
    */
    if( offset > 98307 || offset > pC->payloadSize ){
      rc = SQLITE_CORRUPT_BKPT;
      goto op_column_error;
    }

    if( avail<offset ){
      /* pC->aRow does not have to hold the entire row, but it does at least
      ** need to cover the header of the record.  If pC->aRow does not contain
      ** the complete header, then set it to zero, forcing the header to be
      ** dynamically allocated. */
      pC->aRow = 0;
      pC->szRow = 0;














    }

    /* The following goto is an optimization.  It can be omitted and
    ** everything will still work.  But OP_Column is measurably faster
    ** by skipping the subsequent conditional, which is always true.
    */
    assert( pC->nHdrParsed<=p2 );         /* Conditional skipped */
................................................................................
    ** to extract additional fields up through the p2+1-th field 
    */
    op_column_read_header:
    if( pC->iHdrOffset<aOffset[0] ){
      /* Make sure zData points to enough of the record to cover the header. */
      if( pC->aRow==0 ){
        memset(&sMem, 0, sizeof(sMem));
        rc = sqlite3VdbeMemFromBtree(pCrsr, 0, aOffset[0], 
                                     !pC->isTable, &sMem);
        if( rc!=SQLITE_OK ){
          goto op_column_error;
        }
        zData = (u8*)sMem.z;
      }else{
        zData = pC->aRow;
      }
  
      /* Fill in pC->aType[i] and aOffset[i] values through the p2-th field. */
      i = pC->nHdrParsed;
      offset = aOffset[i];
      zHdr = zData + pC->iHdrOffset;
      zEndHdr = zData + aOffset[0];
      assert( i<=p2 && zHdr<zEndHdr );
      do{
        if( zHdr[0]<0x80 ){
          t = zHdr[0];
          zHdr++;

        }else{
          zHdr += sqlite3GetVarint32(zHdr, &t);
        }
        pC->aType[i] = t;
        szField = sqlite3VdbeSerialTypeLen(t);
        offset += szField;
        if( offset<szField ){  /* True if offset overflows */
          zHdr = &zEndHdr[1];  /* Forces SQLITE_CORRUPT return below */
          break;
        }
        i++;

        aOffset[i] = offset;
      }while( i<=p2 && zHdr<zEndHdr );
      pC->nHdrParsed = i;
      pC->iHdrOffset = (u32)(zHdr - zData);
      if( pC->aRow==0 ){
        sqlite3VdbeMemRelease(&sMem);
        sMem.flags = MEM_Null;
      }
  
      /* The record is corrupt if any of the following are true:
      ** (1) the bytes of the header extend past the declared header size
      **          (zHdr>zEndHdr)
      ** (2) the entire header was used but not all data was used
      **          (zHdr==zEndHdr && offset!=pC->payloadSize)
      ** (3) the end of the data extends beyond the end of the record.
      **          (offset > pC->payloadSize)
      */
      if( (zHdr>=zEndHdr && (zHdr>zEndHdr || offset!=pC->payloadSize))
       || (offset > pC->payloadSize)
      ){
        rc = SQLITE_CORRUPT_BKPT;
        goto op_column_error;
      }
    }

    /* If after trying to extract new entries from the header, nHdrParsed is
................................................................................
      if( pOp->p4type==P4_MEM ){
        sqlite3VdbeMemShallowCopy(pDest, pOp->p4.pMem, MEM_Static);
      }else{
        sqlite3VdbeMemSetNull(pDest);
      }
      goto op_column_out;
    }


  }

  /* Extract the content for the p2+1-th column.  Control can only
  ** reach this point if aOffset[p2], aOffset[p2+1], and pC->aType[p2] are
  ** all valid.
  */
  assert( p2<pC->nHdrParsed );
  assert( rc==SQLITE_OK );
  assert( sqlite3VdbeCheckMemInvariants(pDest) );
  if( VdbeMemDynamic(pDest) ) sqlite3VdbeMemSetNull(pDest);
  t = pC->aType[p2];
  if( pC->szRow>=aOffset[p2+1] ){
    /* This is the common case where the desired content fits on the original
    ** page - where the content is not on an overflow page */
    sqlite3VdbeSerialGet(pC->aRow+aOffset[p2], t, pDest);
  }else{
    /* This branch happens only when content is on overflow pages */
    if( ((pOp->p5 & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG))!=0
................................................................................
  Mem *pData0;           /* First field to be combined into the record */
  Mem *pLast;            /* Last field of the record */
  int nField;            /* Number of fields in the record */
  char *zAffinity;       /* The affinity string for the record */
  int file_format;       /* File format to use for encoding */
  int i;                 /* Space used in zNewRecord[] header */
  int j;                 /* Space used in zNewRecord[] content */
  int len;               /* Length of a field */

  /* Assuming the record contains N fields, the record format looks
  ** like this:
  **
  ** ------------------------------------------------------------------------
  ** | hdr-size | type 0 | type 1 | ... | type N-1 | data0 | ... | data N-1 | 
  ** ------------------------------------------------------------------------
................................................................................

  /* Loop through the elements that will make up the record to figure
  ** out how much space is required for the new record.
  */
  pRec = pLast;
  do{
    assert( memIsValid(pRec) );
    pRec->uTemp = serial_type = sqlite3VdbeSerialType(pRec, file_format);
    len = sqlite3VdbeSerialTypeLen(serial_type);
    if( pRec->flags & MEM_Zero ){
      if( nData ){
        if( sqlite3VdbeMemExpandBlob(pRec) ) goto no_mem;
      }else{
        nZero += pRec->u.nZero;
        len -= pRec->u.nZero;
      }

  return 1;
}
#endif

/*
** Return the register of pOp->p2 after first preparing it to be
** overwritten with an integer value.
*/
static SQLITE_NOINLINE Mem *out2PrereleaseWithClear(Mem *pOut){
  sqlite3VdbeMemSetNull(pOut);
  pOut->flags = MEM_Int;
  return pOut;
}
static Mem *out2Prerelease(Vdbe *p, VdbeOp *pOp){
  Mem *pOut;
  assert( pOp->p2>0 );
  assert( pOp->p2<=(p->nMem-p->nCursor) );
  pOut = &p->aMem[pOp->p2];
  memAboutToChange(p, pOut);
  if( VdbeMemDynamic(pOut) ){
    return out2PrereleaseWithClear(pOut);
  }else{
    pOut->flags = MEM_Int;
    return pOut;
  }
}


/*
** Execute as much of a VDBE program as we can.
** This is the core of sqlite3_step().  
*/
................................................................................
  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]
**
** Transfer the integer value held in register P1 into register P2.
**
** This is an optimized version of SCopy that works only for integer
** values.
*/
case OP_IntCopy: {            /* out2 */
  pIn1 = &aMem[pOp->p1];
  assert( (pIn1->flags & MEM_Int)!=0 );
  pOut = &aMem[pOp->p2];
  sqlite3VdbeMemSetInt64(pOut, pIn1->u.i);
  break;
}

/* Opcode: ResultRow P1 P2 * * *
** Synopsis:  output=r[P1@P2]
**
** The registers P1 through P1+P2-1 contain a single row of
** results. This opcode causes the sqlite3_step() call to terminate
** with an SQLITE_ROW return code and it sets up the sqlite3_stmt
................................................................................
  int i;             /* Loop counter */
  Mem *pDest;        /* Where to write the extracted value */
  Mem sMem;          /* For storing the record being decoded */
  const u8 *zData;   /* Part of the record being decoded */
  const u8 *zHdr;    /* Next unparsed byte of the header */
  const u8 *zEndHdr; /* Pointer to first byte after the header */
  u32 offset;        /* Offset into the data */
  u64 offset64;      /* 64-bit offset */
  u32 avail;         /* Number of bytes of available data */
  u32 t;             /* A type code from the record header */
  u16 fx;            /* pDest->flags value */
  Mem *pReg;         /* PseudoTable input register */

  p2 = pOp->p2;
  assert( pOp->p3>0 && pOp->p3<=(p->nMem-p->nCursor) );
................................................................................
      }
    }
    pC->cacheStatus = p->cacheCtr;
    pC->iHdrOffset = getVarint32(pC->aRow, offset);
    pC->nHdrParsed = 0;
    aOffset[0] = offset;















    if( avail<offset ){
      /* pC->aRow does not have to hold the entire row, but it does at least
      ** need to cover the header of the record.  If pC->aRow does not contain
      ** the complete header, then set it to zero, forcing the header to be
      ** dynamically allocated. */
      pC->aRow = 0;
      pC->szRow = 0;

      /* Make sure a corrupt database has not given us an oversize header.
      ** Do this now to avoid an oversize memory allocation.
      **
      ** Type entries can be between 1 and 5 bytes each.  But 4 and 5 byte
      ** types use so much data space that there can only be 4096 and 32 of
      ** them, respectively.  So the maximum header length results from a
      ** 3-byte type for each of the maximum of 32768 columns plus three
      ** extra bytes for the header length itself.  32768*3 + 3 = 98307.
      */
      if( offset > 98307 || offset > pC->payloadSize ){
        rc = SQLITE_CORRUPT_BKPT;
        goto op_column_error;
      }
    }

    /* The following goto is an optimization.  It can be omitted and
    ** everything will still work.  But OP_Column is measurably faster
    ** by skipping the subsequent conditional, which is always true.
    */
    assert( pC->nHdrParsed<=p2 );         /* Conditional skipped */
................................................................................
    ** to extract additional fields up through the p2+1-th field 
    */
    op_column_read_header:
    if( pC->iHdrOffset<aOffset[0] ){
      /* Make sure zData points to enough of the record to cover the header. */
      if( pC->aRow==0 ){
        memset(&sMem, 0, sizeof(sMem));
        rc = sqlite3VdbeMemFromBtree(pCrsr, 0, aOffset[0], !pC->isTable, &sMem);


        if( rc!=SQLITE_OK ) goto op_column_error;

        zData = (u8*)sMem.z;
      }else{
        zData = pC->aRow;
      }
  
      /* Fill in pC->aType[i] and aOffset[i] values through the p2-th field. */
      i = pC->nHdrParsed;
      offset64 = aOffset[i];
      zHdr = zData + pC->iHdrOffset;
      zEndHdr = zData + aOffset[0];
      assert( i<=p2 && zHdr<zEndHdr );
      do{

        if( (t = zHdr[0])<0x80 ){
          zHdr++;
          offset64 += sqlite3VdbeOneByteSerialTypeLen(t);
        }else{
          zHdr += sqlite3GetVarint32(zHdr, &t);


          offset64 += sqlite3VdbeSerialTypeLen(t);




        }

        pC->aType[i++] = t;
        aOffset[i] = (u32)(offset64 & 0xffffffff);
      }while( i<=p2 && zHdr<zEndHdr );
      pC->nHdrParsed = i;
      pC->iHdrOffset = (u32)(zHdr - zData);

      if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);


  
      /* The record is corrupt if any of the following are true:
      ** (1) the bytes of the header extend past the declared header size

      ** (2) the entire header was used but not all data was used

      ** (3) the end of the data extends beyond the end of the record.

      */
      if( (zHdr>=zEndHdr && (zHdr>zEndHdr || offset64!=pC->payloadSize))
       || (offset64 > pC->payloadSize)
      ){
        rc = SQLITE_CORRUPT_BKPT;
        goto op_column_error;
      }
    }

    /* If after trying to extract new entries from the header, nHdrParsed is
................................................................................
      if( pOp->p4type==P4_MEM ){
        sqlite3VdbeMemShallowCopy(pDest, pOp->p4.pMem, MEM_Static);
      }else{
        sqlite3VdbeMemSetNull(pDest);
      }
      goto op_column_out;
    }
  }else{
    t = pC->aType[p2];
  }

  /* Extract the content for the p2+1-th column.  Control can only
  ** reach this point if aOffset[p2], aOffset[p2+1], and pC->aType[p2] are
  ** all valid.
  */
  assert( p2<pC->nHdrParsed );
  assert( rc==SQLITE_OK );
  assert( sqlite3VdbeCheckMemInvariants(pDest) );
  if( VdbeMemDynamic(pDest) ) sqlite3VdbeMemSetNull(pDest);
  assert( t==pC->aType[p2] );
  if( pC->szRow>=aOffset[p2+1] ){
    /* This is the common case where the desired content fits on the original
    ** page - where the content is not on an overflow page */
    sqlite3VdbeSerialGet(pC->aRow+aOffset[p2], t, pDest);
  }else{
    /* This branch happens only when content is on overflow pages */
    if( ((pOp->p5 & (OPFLAG_LENGTHARG|OPFLAG_TYPEOFARG))!=0
................................................................................
  Mem *pData0;           /* First field to be combined into the record */
  Mem *pLast;            /* Last field of the record */
  int nField;            /* Number of fields in the record */
  char *zAffinity;       /* The affinity string for the record */
  int file_format;       /* File format to use for encoding */
  int i;                 /* Space used in zNewRecord[] header */
  int j;                 /* Space used in zNewRecord[] content */
  u32 len;               /* Length of a field */

  /* Assuming the record contains N fields, the record format looks
  ** like this:
  **
  ** ------------------------------------------------------------------------
  ** | hdr-size | type 0 | type 1 | ... | type N-1 | data0 | ... | data N-1 | 
  ** ------------------------------------------------------------------------
................................................................................

  /* Loop through the elements that will make up the record to figure
  ** out how much space is required for the new record.
  */
  pRec = pLast;
  do{
    assert( memIsValid(pRec) );
    pRec->uTemp = serial_type = sqlite3VdbeSerialType(pRec, file_format, &len);

    if( pRec->flags & MEM_Zero ){
      if( nData ){
        if( sqlite3VdbeMemExpandBlob(pRec) ) goto no_mem;
      }else{
        nZero += pRec->u.nZero;
        len -= pRec->u.nZero;
      }

void sqliteVdbePopStack(Vdbe*,int);
int sqlite3VdbeCursorMoveto(VdbeCursor*);
int sqlite3VdbeCursorRestore(VdbeCursor*);
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
void sqlite3VdbePrintOp(FILE*, int, Op*);
#endif
u32 sqlite3VdbeSerialTypeLen(u32);

u32 sqlite3VdbeSerialType(Mem*, int);
u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
void sqlite3VdbeDeleteAuxData(Vdbe*, int, int);

int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
int sqlite3VdbeIdxKeyCompare(sqlite3*,VdbeCursor*,UnpackedRecord*,int*);
int sqlite3VdbeIdxRowid(sqlite3*, BtCursor*, i64*);

void sqliteVdbePopStack(Vdbe*,int);
int sqlite3VdbeCursorMoveto(VdbeCursor*);
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(Vdbe*, int, int);

int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
int sqlite3VdbeIdxKeyCompare(sqlite3*,VdbeCursor*,UnpackedRecord*,int*);
int sqlite3VdbeIdxRowid(sqlite3*, BtCursor*, i64*);

** The 8 and 9 types were added in 3.3.0, file format 4.  Prior versions
** of SQLite will not understand those serial types.
*/

/*
** Return the serial-type for the value stored in pMem.
*/
u32 sqlite3VdbeSerialType(Mem *pMem, int file_format){
  int flags = pMem->flags;
  u32 n;


  if( flags&MEM_Null ){

    return 0;
  }
  if( flags&MEM_Int ){
    /* Figure out whether to use 1, 2, 4, 6 or 8 bytes. */
#   define MAX_6BYTE ((((i64)0x00008000)<<32)-1)
    i64 i = pMem->u.i;
    u64 u;
    if( i<0 ){
      u = ~i;
    }else{
      u = i;
    }
    if( u<=127 ){
      return ((i&1)==i && file_format>=4) ? 8+(u32)u : 1;





    }

    if( u<=32767 ) return 2;
    if( u<=8388607 ) return 3;
    if( u<=2147483647 ) return 4;
    if( u<=MAX_6BYTE ) return 5;

    return 6;
  }
  if( flags&MEM_Real ){

    return 7;
  }
  assert( pMem->db->mallocFailed || flags&(MEM_Str|MEM_Blob) );
  assert( pMem->n>=0 );
  n = (u32)pMem->n;
  if( flags & MEM_Zero ){
    n += pMem->u.nZero;
  }

  return ((n*2) + 12 + ((flags&MEM_Str)!=0));
}

/*
** The sizes for serial types less than 12
*/
static const u8 sqlite3SmallTypeSizes[] = {
  0, 1, 2, 3, 4, 6, 8, 8, 0, 0, 0, 0













};

/*
** Return the length of the data corresponding to the supplied serial-type.
*/
u32 sqlite3VdbeSerialTypeLen(u32 serial_type){
  if( serial_type>=12 ){
    return (serial_type-12)/2;
  }else{


    return sqlite3SmallTypeSizes[serial_type];
  }




}

/*
** If we are on an architecture with mixed-endian floating 
** points (ex: ARM7) then swap the lower 4 bytes with the 
** upper 4 bytes.  Return the result.
**

** The 8 and 9 types were added in 3.3.0, file format 4.  Prior versions
** of SQLite will not understand those serial types.
*/

/*
** Return the serial-type for the value stored in pMem.
*/
u32 sqlite3VdbeSerialType(Mem *pMem, int file_format, u32 *pLen){
  int flags = pMem->flags;
  u32 n;

  assert( pLen!=0 );
  if( flags&MEM_Null ){
    *pLen = 0;
    return 0;
  }
  if( flags&MEM_Int ){
    /* Figure out whether to use 1, 2, 4, 6 or 8 bytes. */
#   define MAX_6BYTE ((((i64)0x00008000)<<32)-1)
    i64 i = pMem->u.i;
    u64 u;
    if( i<0 ){
      u = ~i;
    }else{
      u = i;
    }
    if( u<=127 ){
      if( (i&1)==i && file_format>=4 ){
        *pLen = 0;
        return 8+(u32)u;
      }else{
        *pLen = 1;
        return 1;
      }
    }
    if( u<=32767 ){ *pLen = 2; return 2; }
    if( u<=8388607 ){ *pLen = 3; return 3; }
    if( u<=2147483647 ){ *pLen = 4; return 4; }
    if( u<=MAX_6BYTE ){ *pLen = 6; return 5; }
    *pLen = 8;
    return 6;
  }
  if( flags&MEM_Real ){
    *pLen = 8;
    return 7;
  }
  assert( pMem->db->mallocFailed || flags&(MEM_Str|MEM_Blob) );
  assert( pMem->n>=0 );
  n = (u32)pMem->n;
  if( flags & MEM_Zero ){
    n += pMem->u.nZero;
  }
  *pLen = n;
  return ((n*2) + 12 + ((flags&MEM_Str)!=0));
}

/*
** The sizes for serial types less than 128
*/
static const u8 sqlite3SmallTypeSizes[] = {
        /*  0   1   2   3   4   5   6   7   8   9 */   
/*   0 */   0,  1,  2,  3,  4,  6,  8,  8,  0,  0,
/*  10 */   0,  0,  0,  0,  1,  1,  2,  2,  3,  3,
/*  20 */   4,  4,  5,  5,  6,  6,  7,  7,  8,  8,
/*  30 */   9,  9, 10, 10, 11, 11, 12, 12, 13, 13,
/*  40 */  14, 14, 15, 15, 16, 16, 17, 17, 18, 18,
/*  50 */  19, 19, 20, 20, 21, 21, 22, 22, 23, 23,
/*  60 */  24, 24, 25, 25, 26, 26, 27, 27, 28, 28,
/*  70 */  29, 29, 30, 30, 31, 31, 32, 32, 33, 33,
/*  80 */  34, 34, 35, 35, 36, 36, 37, 37, 38, 38,
/*  90 */  39, 39, 40, 40, 41, 41, 42, 42, 43, 43,
/* 100 */  44, 44, 45, 45, 46, 46, 47, 47, 48, 48,
/* 110 */  49, 49, 50, 50, 51, 51, 52, 52, 53, 53,
/* 120 */  54, 54, 55, 55, 56, 56, 57, 57
};

/*
** Return the length of the data corresponding to the supplied serial-type.
*/
u32 sqlite3VdbeSerialTypeLen(u32 serial_type){
  if( serial_type>=128 ){
    return (serial_type-12)/2;
  }else{
    assert( serial_type<12 
            || sqlite3SmallTypeSizes[serial_type]==(serial_type - 12)/2 );
    return sqlite3SmallTypeSizes[serial_type];
  }
}
u8 sqlite3VdbeOneByteSerialTypeLen(u8 serial_type){
  assert( serial_type<128 );
  return sqlite3SmallTypeSizes[serial_type];  
}

/*
** If we are on an architecture with mixed-endian floating 
** points (ex: ARM7) then swap the lower 4 bytes with the 
** upper 4 bytes.  Return the result.
**

*/
static void recordFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  const int file_format = 1;
  int iSerial;                    /* Serial type */
  int nSerial;                    /* Bytes of space for iSerial as varint */
  int nVal;                       /* Bytes of space required for argv[0] */
  int nRet;
  sqlite3 *db;
  u8 *aRet;

  UNUSED_PARAMETER( argc );
  iSerial = sqlite3VdbeSerialType(argv[0], file_format);
  nSerial = sqlite3VarintLen(iSerial);
  nVal = sqlite3VdbeSerialTypeLen(iSerial);
  db = sqlite3_context_db_handle(context);

  nRet = 1 + nSerial + nVal;
  aRet = sqlite3DbMallocRaw(db, nRet);
  if( aRet==0 ){
    sqlite3_result_error_nomem(context);
  }else{

*/
static void recordFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  const int file_format = 1;
  u32 iSerial;                    /* Serial type */
  int nSerial;                    /* Bytes of space for iSerial as varint */
  u32 nVal;                       /* Bytes of space required for argv[0] */
  int nRet;
  sqlite3 *db;
  u8 *aRet;

  UNUSED_PARAMETER( argc );
  iSerial = sqlite3VdbeSerialType(argv[0], file_format, &nVal);
  nSerial = sqlite3VarintLen(iSerial);

  db = sqlite3_context_db_handle(context);

  nRet = 1 + nSerial + nVal;
  aRet = sqlite3DbMallocRaw(db, nRet);
  if( aRet==0 ){
    sqlite3_result_error_nomem(context);
  }else{

    pKeyInfo->db = 0;
    if( nField && nWorker==0 ){
      pKeyInfo->nXField += (pKeyInfo->nField - nField);
      pKeyInfo->nField = nField;
    }
    pSorter->pgsz = pgsz = sqlite3BtreeGetPageSize(db->aDb[0].pBt);
    pSorter->nTask = nWorker + 1;
    pSorter->iPrev = nWorker-1;
    pSorter->bUseThreads = (pSorter->nTask>1);
    pSorter->db = db;
    for(i=0; i<pSorter->nTask; i++){
      SortSubtask *pTask = &pSorter->aTask[i];
      pTask->pSorter = pSorter;
    }

    pKeyInfo->db = 0;
    if( nField && nWorker==0 ){
      pKeyInfo->nXField += (pKeyInfo->nField - nField);
      pKeyInfo->nField = nField;
    }
    pSorter->pgsz = pgsz = sqlite3BtreeGetPageSize(db->aDb[0].pBt);
    pSorter->nTask = nWorker + 1;
    pSorter->iPrev = (u8)(nWorker - 1);
    pSorter->bUseThreads = (pSorter->nTask>1);
    pSorter->db = db;
    for(i=0; i<pSorter->nTask; i++){
      SortSubtask *pTask = &pSorter->aTask[i];
      pTask->pSorter = pSorter;
    }

              int nPk = pPk->nKeyCol;
              int iPk;

              /* Read the PK into an array of temp registers. */
              r = sqlite3GetTempRange(pParse, nPk);
              for(iPk=0; iPk<nPk; iPk++){
                int iCol = pPk->aiColumn[iPk];
                int rx;
                rx = sqlite3ExprCodeGetColumn(pParse, pTab, iCol, iCur,r+iPk,0);
                if( rx!=r+iPk ){
                  sqlite3VdbeAddOp2(v, OP_SCopy, rx, r+iPk);
                }
              }

              /* Check if the temp table already contains this key. If so,
              ** the row has already been included in the result set and
              ** can be ignored (by jumping past the Gosub below). Otherwise,
              ** insert the key into the temp table and proceed with processing
              ** the row.

              int nPk = pPk->nKeyCol;
              int iPk;

              /* Read the PK into an array of temp registers. */
              r = sqlite3GetTempRange(pParse, nPk);
              for(iPk=0; iPk<nPk; iPk++){
                int iCol = pPk->aiColumn[iPk];

                sqlite3ExprCodeGetColumnToReg(pParse, pTab, iCol, iCur, r+iPk);



              }

              /* Check if the temp table already contains this key. If so,
              ** the row has already been included in the result set and
              ** can be ignored (by jumping past the Gosub below). Otherwise,
              ** insert the key into the temp table and proceed with processing
              ** the row.

do_execsql_test json-6.3 {
  SELECT json_valid('["a",55,"b",72,]');
} {0}
do_execsql_test json-6.4 {
  SELECT json_valid('["a",55,"b",72]');
} {1}



















finish_test

do_execsql_test json-6.3 {
  SELECT json_valid('["a",55,"b",72,]');
} {0}
do_execsql_test json-6.4 {
  SELECT json_valid('["a",55,"b",72]');
} {1}

# White-space tests.  Note that form-feed is not white-space in JSON.
# ticket [57eec374ae1d0a1d4a23077a95f4e173fe269113]
# 
foreach {tn isvalid ws} {
  7.1  1  char(0x20)
  7.2  1  char(0x09)
  7.3  1  char(0x0A)
  7.4  1  char(0x0D)
  7.5  0  char(0x0C)
  7.6  1  char(0x20,0x09,0x0a,0x0d,0x20)
  7.7  0  char(0x20,0x09,0x0a,0x0c,0x0d,0x20)
} {
  do_execsql_test json-$tn.1 \
    "SELECT json_valid(printf('%s{%s\"x\"%s:%s9%s}%s',
         $::ws,$::ws,$::ws,$::ws,$::ws,$::ws));" \
  $isvalid
}

finish_test

%__ECHO% ECHO SET TCLSH_CMD=%TEMP%\%TCLKIT_EXE%%OVERWRITE%"%ROOT%\SetTclKitEnv.bat"

IF DEFINED TCLKIT_NOSDK GOTO skip_sdkVariables

%__ECHO% ECHO SET TCLINCDIR=%TEMP%\%TCLKIT_SDK%\include%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET TCLLIBDIR=%TEMP%\%TCLKIT_SDK%\lib%APPEND%"%ROOT%\SetTclKitEnv.bat"

%__ECHO% ECHO SET LIBTCL=%TCLKIT_LIB%%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCLSTUB=%TCLKIT_LIB_STUB%%APPEND%"%ROOT%\SetTclKitEnv.bat"

:skip_sdkVariables

ECHO.
ECHO Wrote "%ROOT%\SetTclKitEnv.bat".

%__ECHO% ECHO SET TCLSH_CMD=%TEMP%\%TCLKIT_EXE%%OVERWRITE%"%ROOT%\SetTclKitEnv.bat"

IF DEFINED TCLKIT_NOSDK GOTO skip_sdkVariables

%__ECHO% ECHO SET TCLINCDIR=%TEMP%\%TCLKIT_SDK%\include%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET TCLLIBDIR=%TEMP%\%TCLKIT_SDK%\lib%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCLPATH=%TEMP%\%TCLKIT_SDK%\lib%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCL=%TCLKIT_LIB%%APPEND%"%ROOT%\SetTclKitEnv.bat"
%__ECHO% ECHO SET LIBTCLSTUB=%TCLKIT_LIB_STUB%%APPEND%"%ROOT%\SetTclKitEnv.bat"

:skip_sdkVariables

ECHO.
ECHO Wrote "%ROOT%\SetTclKitEnv.bat".

        if( pLook ){
          rc = sqlite3_db_config(db, SQLITE_DBCONFIG_LOOKASIDE,pLook,szLook,nLook);
          if( rc!=SQLITE_OK ) abendError("lookaside configuration filed: %d", rc);
        }
    #ifndef SQLITE_OMIT_TRACE
        sqlite3_trace(db, verboseFlag ? traceCallback : traceNoop, 0);
    #endif
#ifdef SQLITE_ENABLE_JSON1
        {
          extern int sqlite3_json_init(sqlite3*);
          sqlite3_json_init(db);
        }
#endif
        sqlite3_create_function(db, "eval", 1, SQLITE_UTF8, 0, sqlEvalFunc, 0, 0);
        sqlite3_create_function(db, "eval", 2, SQLITE_UTF8, 0, sqlEvalFunc, 0, 0);
        sqlite3_limit(db, SQLITE_LIMIT_LENGTH, 1000000);
        if( zEncoding ) sqlexec(db, "PRAGMA encoding=%s", zEncoding);
        if( pageSize ) sqlexec(db, "PRAGMA pagesize=%d", pageSize);
        if( doAutovac ) sqlexec(db, "PRAGMA auto_vacuum=FULL");
        iStart = timeOfDay();

        if( pLook ){
          rc = sqlite3_db_config(db, SQLITE_DBCONFIG_LOOKASIDE,pLook,szLook,nLook);
          if( rc!=SQLITE_OK ) abendError("lookaside configuration filed: %d", rc);
        }
    #ifndef SQLITE_OMIT_TRACE
        sqlite3_trace(db, verboseFlag ? traceCallback : traceNoop, 0);
    #endif






        sqlite3_create_function(db, "eval", 1, SQLITE_UTF8, 0, sqlEvalFunc, 0, 0);
        sqlite3_create_function(db, "eval", 2, SQLITE_UTF8, 0, sqlEvalFunc, 0, 0);
        sqlite3_limit(db, SQLITE_LIMIT_LENGTH, 1000000);
        if( zEncoding ) sqlexec(db, "PRAGMA encoding=%s", zEncoding);
        if( pageSize ) sqlexec(db, "PRAGMA pagesize=%d", pageSize);
        if( doAutovac ) sqlexec(db, "PRAGMA auto_vacuum=FULL");
        iStart = timeOfDay();

  while {![eof $in]} {
  
    set line [gets $in]

    # File sqlite3rtree.h contains a line "#include <sqlite3.h>". Omit this
    # line when copying sqlite3rtree.h into sqlite3.h.
    #
    if {[string match {*#include*<sqlite3.h>*} $line]} continue
  
    regsub -- --VERS--           $line $zVersion line
    regsub -- --VERSION-NUMBER-- $line $nVersion line
    regsub -- --SOURCE-ID--      $line "$zDate $zUuid" line

    if {[regexp $varpattern $line] && ![regexp {^ *typedef} $line]} {
      set line "SQLITE_API $line"

  while {![eof $in]} {
  
    set line [gets $in]

    # File sqlite3rtree.h contains a line "#include <sqlite3.h>". Omit this
    # line when copying sqlite3rtree.h into sqlite3.h.
    #
    if {[string match {*#include*[<"]sqlite3.h[>"]*} $line]} continue
  
    regsub -- --VERS--           $line $zVersion line
    regsub -- --VERSION-NUMBER-- $line $nVersion line
    regsub -- --SOURCE-ID--      $line "$zDate $zUuid" line

    if {[regexp $varpattern $line] && ![regexp {^ *typedef} $line]} {
      set line "SQLITE_API $line"

** from malloc().
*/
static unsigned char *read_content(int N, int iOfst){
  int got;
  unsigned char *pBuf = malloc(N);
  if( pBuf==0 ) out_of_memory();
  fseek(db, iOfst, SEEK_SET);
  got = fread(pBuf, 1, N, db);
  if( got<0 ){
    fprintf(stderr, "I/O error reading %d bytes from %d\n", N, iOfst);
    memset(pBuf, 0, N);
  }else if( got<N ){
    fprintf(stderr, "Short read: got only %d of %d bytes from %d\n",
                     got, N, iOfst);
    memset(&pBuf[got], 0, N-got);
................................................................................
  int ofst, int nByte,         /* Start and size of decode */
  const char *zMsg             /* Message to append */
){
  int i, j;
  unsigned val = aData[ofst];
  char zBuf[100];
  sprintf(zBuf, " %05x: %02x", ofst, aData[ofst]);
  i = strlen(zBuf);
  for(j=1; j<4; j++){
    if( j>=nByte ){
      sprintf(&zBuf[i], "   ");
    }else{
      sprintf(&zBuf[i], " %02x", aData[ofst+j]);
      val = val*256 + aData[ofst+j];
    }
    i += strlen(&zBuf[i]);
  }
  sprintf(&zBuf[i], "   %10u", val);
  printf("%s  %s\n", zBuf, zMsg);
  return val;
}

/*

** from malloc().
*/
static unsigned char *read_content(int N, int iOfst){
  int got;
  unsigned char *pBuf = malloc(N);
  if( pBuf==0 ) out_of_memory();
  fseek(db, iOfst, SEEK_SET);
  got = (int)fread(pBuf, 1, N, db);
  if( got<0 ){
    fprintf(stderr, "I/O error reading %d bytes from %d\n", N, iOfst);
    memset(pBuf, 0, N);
  }else if( got<N ){
    fprintf(stderr, "Short read: got only %d of %d bytes from %d\n",
                     got, N, iOfst);
    memset(&pBuf[got], 0, N-got);
................................................................................
  int ofst, int nByte,         /* Start and size of decode */
  const char *zMsg             /* Message to append */
){
  int i, j;
  unsigned val = aData[ofst];
  char zBuf[100];
  sprintf(zBuf, " %05x: %02x", ofst, aData[ofst]);
  i = (int)strlen(zBuf);
  for(j=1; j<4; j++){
    if( j>=nByte ){
      sprintf(&zBuf[i], "   ");
    }else{
      sprintf(&zBuf[i], " %02x", aData[ofst+j]);
      val = val*256 + aData[ofst+j];
    }
    i += (int)strlen(&zBuf[i]);
  }
  sprintf(&zBuf[i], "   %10u", val);
  printf("%s  %s\n", zBuf, zMsg);
  return val;
}

/*

#!/bin/tclsh
#

# Run this script in the same directory as the "vdbe_profile.out" file.
# This script summarizes the results contained in that file.







#
if {![file readable vdbe_profile.out]} {
  error "run this script in the same directory as the vdbe_profile.out file"
}
set in [open vdbe_profile.out r]
set stmt {}
set allstmt {}

#!/bin/tclsh
#
# SUMMARY:
# Run this script in the same directory as the "vdbe_profile.out" file.
# This script summarizes the results contained in that file.
#
# DETAILS:
# Compile SQLite using the -DVDBE_PROFILE option on Linux.  This causes 
# performance information about individual VDBE operations to be appended
# to the "vdbe_profile.out" file.  After content has been accumulated in
# vdbe_profile.out, run this script to analyze the output and generate a
# report.
#
if {![file readable vdbe_profile.out]} {
  error "run this script in the same directory as the vdbe_profile.out file"
}
set in [open vdbe_profile.out r]
set stmt {}
set allstmt {}