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Overview
Comment:Update the built-in SQLite to the latest trunk version for testing.
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Files: files | file ages | folders
SHA3-256: 1b55133f9ea3a54863f853d3a8bef142c5aa68743e3fbd4c910ea9620b4b75a7
User & Date: drh 2024-12-19 19:33:17
Context
2024-12-20
14:38
Improve the /info page to show more detailed information about clusters. ... (check-in: 4170e0bb user: drh tags: trunk)
2024-12-19
19:33
Update the built-in SQLite to the latest trunk version for testing. ... (check-in: 1b55133f user: drh tags: trunk)
19:13
Update to the change log for 2.26. ... (check-in: f4f395b6 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to extsrc/sqlite3.c.
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** the text of this file.  Search for "Begin file sqlite3.h" to find the start
** of the embedded sqlite3.h header file.) Additional code files may be needed
** if you want a wrapper to interface SQLite with your choice of programming
** language. The code for the "sqlite3" command-line shell is also in a
** separate file. This file contains only code for the core SQLite library.
**
** The content in this amalgamation comes from Fossil check-in
** e2bae4143afd07de1ae55a6d2606a3b541a5 with changes in files:
**
**    
*/
#ifndef SQLITE_AMALGAMATION
#define SQLITE_CORE 1
#define SQLITE_AMALGAMATION 1
#ifndef SQLITE_PRIVATE







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** the text of this file.  Search for "Begin file sqlite3.h" to find the start
** of the embedded sqlite3.h header file.) Additional code files may be needed
** if you want a wrapper to interface SQLite with your choice of programming
** language. The code for the "sqlite3" command-line shell is also in a
** separate file. This file contains only code for the core SQLite library.
**
** The content in this amalgamation comes from Fossil check-in
** e6c30ee52c5cdc193804cec63374d558b45e with changes in files:
**
**    
*/
#ifndef SQLITE_AMALGAMATION
#define SQLITE_CORE 1
#define SQLITE_AMALGAMATION 1
#ifndef SQLITE_PRIVATE
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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.48.0"
#define SQLITE_VERSION_NUMBER 3048000
#define SQLITE_SOURCE_ID      "2024-12-09 20:46:36 e2bae4143afd07de1ae55a6d2606a3b541a5b94568aa41f6a96e5d1245471653"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros







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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.48.0"
#define SQLITE_VERSION_NUMBER 3048000
#define SQLITE_SOURCE_ID      "2024-12-19 19:02:09 e6c30ee52c5cdc193804cec63374d558b45e4d67fc6bde58771ca78485ca0acf"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
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*/
#ifndef SQLITE_MAX_VDBE_OP
# define SQLITE_MAX_VDBE_OP 250000000
#endif

/*
** The maximum number of arguments to an SQL function.




*/
#ifndef SQLITE_MAX_FUNCTION_ARG
# define SQLITE_MAX_FUNCTION_ARG 127
#endif

/*
** The suggested maximum number of in-memory pages to use for
** the main database table and for temporary tables.
**
** IMPLEMENTATION-OF: R-30185-15359 The default suggested cache size is -2000,







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*/
#ifndef SQLITE_MAX_VDBE_OP
# define SQLITE_MAX_VDBE_OP 250000000
#endif

/*
** The maximum number of arguments to an SQL function.
**
** This value has a hard upper limit of 32767 due to storage
** constraints (it needs to fit inside a i16).  We keep it
** lower than that to prevent abuse.
*/
#ifndef SQLITE_MAX_FUNCTION_ARG
# define SQLITE_MAX_FUNCTION_ARG 1000
#endif

/*
** The suggested maximum number of in-memory pages to use for
** the main database table and for temporary tables.
**
** IMPLEMENTATION-OF: R-30185-15359 The default suggested cache size is -2000,
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#define PAGER_JOURNALMODE_QUERY     (-1)  /* Query the value of journalmode */
#define PAGER_JOURNALMODE_DELETE      0   /* Commit by deleting journal file */
#define PAGER_JOURNALMODE_PERSIST     1   /* Commit by zeroing journal header */
#define PAGER_JOURNALMODE_OFF         2   /* Journal omitted.  */
#define PAGER_JOURNALMODE_TRUNCATE    3   /* Commit by truncating journal */
#define PAGER_JOURNALMODE_MEMORY      4   /* In-memory journal file */
#define PAGER_JOURNALMODE_WAL         5   /* Use write-ahead logging */

















/*
** Flags that make up the mask passed to sqlite3PagerGet().
*/
#define PAGER_GET_NOCONTENT     0x01  /* Do not load data from disk */
#define PAGER_GET_READONLY      0x02  /* Read-only page is acceptable */








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#define PAGER_JOURNALMODE_QUERY     (-1)  /* Query the value of journalmode */
#define PAGER_JOURNALMODE_DELETE      0   /* Commit by deleting journal file */
#define PAGER_JOURNALMODE_PERSIST     1   /* Commit by zeroing journal header */
#define PAGER_JOURNALMODE_OFF         2   /* Journal omitted.  */
#define PAGER_JOURNALMODE_TRUNCATE    3   /* Commit by truncating journal */
#define PAGER_JOURNALMODE_MEMORY      4   /* In-memory journal file */
#define PAGER_JOURNALMODE_WAL         5   /* Use write-ahead logging */

#define isWalMode(x) ((x)==PAGER_JOURNALMODE_WAL)

/*
** The argument to this macro is a file descriptor (type sqlite3_file*).
** Return 0 if it is not open, or non-zero (but not 1) if it is.
**
** This is so that expressions can be written as:
**
**   if( isOpen(pPager->jfd) ){ ...
**
** instead of
**
**   if( pPager->jfd->pMethods ){ ...
*/
#define isOpen(pFd) ((pFd)->pMethods!=0)

/*
** Flags that make up the mask passed to sqlite3PagerGet().
*/
#define PAGER_GET_NOCONTENT     0x01  /* Do not load data from disk */
#define PAGER_GET_READONLY      0x02  /* Read-only page is acceptable */

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** For per-connection application-defined functions, a pointer to this
** structure is held in the db->aHash hash table.
**
** The u.pHash field is used by the global built-ins.  The u.pDestructor
** field is used by per-connection app-def functions.
*/
struct FuncDef {
  i8 nArg;             /* Number of arguments.  -1 means unlimited */
  u32 funcFlags;       /* Some combination of SQLITE_FUNC_* */
  void *pUserData;     /* User data parameter */
  FuncDef *pNext;      /* Next function with same name */
  void (*xSFunc)(sqlite3_context*,int,sqlite3_value**); /* func or agg-step */
  void (*xFinalize)(sqlite3_context*);                  /* Agg finalizer */
  void (*xValue)(sqlite3_context*);                     /* Current agg value */
  void (*xInverse)(sqlite3_context*,int,sqlite3_value**); /* inverse agg-step */







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** For per-connection application-defined functions, a pointer to this
** structure is held in the db->aHash hash table.
**
** The u.pHash field is used by the global built-ins.  The u.pDestructor
** field is used by per-connection app-def functions.
*/
struct FuncDef {
  i16 nArg;            /* Number of arguments.  -1 means unlimited */
  u32 funcFlags;       /* Some combination of SQLITE_FUNC_* */
  void *pUserData;     /* User data parameter */
  FuncDef *pNext;      /* Next function with same name */
  void (*xSFunc)(sqlite3_context*,int,sqlite3_value**); /* func or agg-step */
  void (*xFinalize)(sqlite3_context*);                  /* Agg finalizer */
  void (*xValue)(sqlite3_context*);                     /* Current agg value */
  void (*xInverse)(sqlite3_context*,int,sqlite3_value**); /* inverse agg-step */
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  FuncDef *pFunc;         /* Pointer to function information */
  Mem *pMem;              /* Memory cell used to store aggregate context */
  Vdbe *pVdbe;            /* The VM that owns this context */
  int iOp;                /* Instruction number of OP_Function */
  int isError;            /* Error code returned by the function. */
  u8 enc;                 /* Encoding to use for results */
  u8 skipFlag;            /* Skip accumulator loading if true */
  u8 argc;                /* Number of arguments */
  sqlite3_value *argv[1]; /* Argument set */
};

/* A bitfield type for use inside of structures.  Always follow with :N where
** N is the number of bits.
*/
typedef unsigned bft;  /* Bit Field Type */







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  FuncDef *pFunc;         /* Pointer to function information */
  Mem *pMem;              /* Memory cell used to store aggregate context */
  Vdbe *pVdbe;            /* The VM that owns this context */
  int iOp;                /* Instruction number of OP_Function */
  int isError;            /* Error code returned by the function. */
  u8 enc;                 /* Encoding to use for results */
  u8 skipFlag;            /* Skip accumulator loading if true */
  u16 argc;               /* Number of arguments */
  sqlite3_value *argv[1]; /* Argument set */
};

/* A bitfield type for use inside of structures.  Always follow with :N where
** N is the number of bits.
*/
typedef unsigned bft;  /* Bit Field Type */
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*/
#if SQLITE_MAX_MMAP_SIZE>0
# define USEFETCH(x) ((x)->bUseFetch)
#else
# define USEFETCH(x) 0
#endif

/*
** The argument to this macro is a file descriptor (type sqlite3_file*).
** Return 0 if it is not open, or non-zero (but not 1) if it is.
**
** This is so that expressions can be written as:
**
**   if( isOpen(pPager->jfd) ){ ...
**
** instead of
**
**   if( pPager->jfd->pMethods ){ ...
*/
#define isOpen(pFd) ((pFd)->pMethods!=0)

#ifdef SQLITE_DIRECT_OVERFLOW_READ
/*
** Return true if page pgno can be read directly from the database file
** by the b-tree layer. This is the case if:
**
**   (1)  the database file is open
**   (2)  the VFS for the database is able to do unaligned sub-page reads







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*/
#if SQLITE_MAX_MMAP_SIZE>0
# define USEFETCH(x) ((x)->bUseFetch)
#else
# define USEFETCH(x) 0
#endif















#ifdef SQLITE_DIRECT_OVERFLOW_READ
/*
** Return true if page pgno can be read directly from the database file
** by the b-tree layer. This is the case if:
**
**   (1)  the database file is open
**   (2)  the VFS for the database is able to do unaligned sub-page reads
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          ** https://bugzilla.mozilla.org/show_bug.cgi?id=1072773
          */
          rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags);
        }
      }
      pPager->journalOff = 0;
    }else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST
      || (pPager->exclusiveMode && pPager->journalMode!=PAGER_JOURNALMODE_WAL)
    ){
      rc = zeroJournalHdr(pPager, hasSuper||pPager->tempFile);
      pPager->journalOff = 0;
    }else{
      /* This branch may be executed with Pager.journalMode==MEMORY if
      ** a hot-journal was just rolled back. In this case the journal
      ** file should be closed and deleted. If this connection writes to







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          ** https://bugzilla.mozilla.org/show_bug.cgi?id=1072773
          */
          rc = sqlite3OsSync(pPager->jfd, pPager->syncFlags);
        }
      }
      pPager->journalOff = 0;
    }else if( pPager->journalMode==PAGER_JOURNALMODE_PERSIST
      || (pPager->exclusiveMode && pPager->journalMode<PAGER_JOURNALMODE_WAL)
    ){
      rc = zeroJournalHdr(pPager, hasSuper||pPager->tempFile);
      pPager->journalOff = 0;
    }else{
      /* This branch may be executed with Pager.journalMode==MEMORY if
      ** a hot-journal was just rolled back. In this case the journal
      ** file should be closed and deleted. If this connection writes to
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** checkpoint process do as much work as possible.  This routine might
** update values of the aReadMark[] array in the header, but if it does
** so it takes care to hold an exclusive lock on the corresponding
** WAL_READ_LOCK() while changing values.
*/
static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int *pCnt){
  volatile WalCkptInfo *pInfo;    /* Checkpoint information in wal-index */
  u32 mxReadMark;                 /* Largest aReadMark[] value */
  int mxI;                        /* Index of largest aReadMark[] value */
  int i;                          /* Loop counter */
  int rc = SQLITE_OK;             /* Return code  */
  u32 mxFrame;                    /* Wal frame to lock to */
#ifdef SQLITE_ENABLE_SETLK_TIMEOUT
  int nBlockTmout = 0;
#endif

  assert( pWal->readLock<0 );     /* Not currently locked */

  /* useWal may only be set for read/write connections */







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** checkpoint process do as much work as possible.  This routine might
** update values of the aReadMark[] array in the header, but if it does
** so it takes care to hold an exclusive lock on the corresponding
** WAL_READ_LOCK() while changing values.
*/
static int walTryBeginRead(Wal *pWal, int *pChanged, int useWal, int *pCnt){
  volatile WalCkptInfo *pInfo;    /* Checkpoint information in wal-index */



  int rc = SQLITE_OK;             /* Return code  */

#ifdef SQLITE_ENABLE_SETLK_TIMEOUT
  int nBlockTmout = 0;
#endif

  assert( pWal->readLock<0 );     /* Not currently locked */

  /* useWal may only be set for read/write connections */
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    }
  }

  assert( pWal->nWiData>0 );
  assert( pWal->apWiData[0]!=0 );
  pInfo = walCkptInfo(pWal);
  SEH_INJECT_FAULT;





  if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame
#ifdef SQLITE_ENABLE_SNAPSHOT
   && ((pWal->bGetSnapshot==0 && pWal->pSnapshot==0) || pWal->hdr.mxFrame==0)
#endif
  ){
    /* The WAL has been completely backfilled (or it is empty).
    ** and can be safely ignored.
    */
    rc = walLockShared(pWal, WAL_READ_LOCK(0));
    walShmBarrier(pWal);
    if( rc==SQLITE_OK ){
      if( memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr)) ){
        /* It is not safe to allow the reader to continue here if frames
        ** may have been appended to the log before READ_LOCK(0) was obtained.
        ** When holding READ_LOCK(0), the reader ignores the entire log file,
        ** which implies that the database file contains a trustworthy
        ** snapshot. Since holding READ_LOCK(0) prevents a checkpoint from
        ** happening, this is usually correct.
        **
        ** However, if frames have been appended to the log (or if the log
        ** is wrapped and written for that matter) before the READ_LOCK(0)
        ** is obtained, that is not necessarily true. A checkpointer may
        ** have started to backfill the appended frames but crashed before
        ** it finished. Leaving a corrupt image in the database file.
        */
        walUnlockShared(pWal, WAL_READ_LOCK(0));
        return WAL_RETRY;
      }
      pWal->readLock = 0;
      return SQLITE_OK;
    }else if( rc!=SQLITE_BUSY ){
      return rc;
    }
  }

  /* If we get this far, it means that the reader will want to use
  ** the WAL to get at content from recent commits.  The job now is
  ** to select one of the aReadMark[] entries that is closest to
  ** but not exceeding pWal->hdr.mxFrame and lock that entry.
  */
  mxReadMark = 0;
  mxI = 0;
  mxFrame = pWal->hdr.mxFrame;
#ifdef SQLITE_ENABLE_SNAPSHOT
  if( pWal->pSnapshot && pWal->pSnapshot->mxFrame<mxFrame ){
    mxFrame = pWal->pSnapshot->mxFrame;
  }
#endif
  for(i=1; i<WAL_NREADER; i++){
    u32 thisMark = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT;
    if( mxReadMark<=thisMark && thisMark<=mxFrame ){
      assert( thisMark!=READMARK_NOT_USED );
      mxReadMark = thisMark;
      mxI = i;
    }
  }
  if( (pWal->readOnly & WAL_SHM_RDONLY)==0
   && (mxReadMark<mxFrame || mxI==0)
  ){
    for(i=1; i<WAL_NREADER; i++){
      rc = walLockExclusive(pWal, WAL_READ_LOCK(i), 1);
      if( rc==SQLITE_OK ){
        AtomicStore(pInfo->aReadMark+i,mxFrame);
        mxReadMark = mxFrame;
        mxI = i;
        walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
        break;
      }else if( rc!=SQLITE_BUSY ){
        return rc;
      }
    }
  }
  if( mxI==0 ){
    assert( rc==SQLITE_BUSY || (pWal->readOnly & WAL_SHM_RDONLY)!=0 );
    return rc==SQLITE_BUSY ? WAL_RETRY : SQLITE_READONLY_CANTINIT;
  }

  (void)walEnableBlockingMs(pWal, nBlockTmout);
  rc = walLockShared(pWal, WAL_READ_LOCK(mxI));
  walDisableBlocking(pWal);
  if( rc ){
#ifdef SQLITE_ENABLE_SETLK_TIMEOUT
    if( rc==SQLITE_BUSY_TIMEOUT ){
      *pCnt |= WAL_RETRY_BLOCKED_MASK;
    }
#else
    assert( rc!=SQLITE_BUSY_TIMEOUT );
#endif
    assert( (rc&0xFF)!=SQLITE_BUSY||rc==SQLITE_BUSY||rc==SQLITE_BUSY_TIMEOUT );
    return (rc&0xFF)==SQLITE_BUSY ? WAL_RETRY : rc;
  }
  /* Now that the read-lock has been obtained, check that neither the
  ** value in the aReadMark[] array or the contents of the wal-index
  ** header have changed.
  **
  ** It is necessary to check that the wal-index header did not change
  ** between the time it was read and when the shared-lock was obtained
  ** on WAL_READ_LOCK(mxI) was obtained to account for the possibility
  ** that the log file may have been wrapped by a writer, or that frames
  ** that occur later in the log than pWal->hdr.mxFrame may have been
  ** copied into the database by a checkpointer. If either of these things
  ** happened, then reading the database with the current value of
  ** pWal->hdr.mxFrame risks reading a corrupted snapshot. So, retry
  ** instead.
  **
  ** Before checking that the live wal-index header has not changed
  ** since it was read, set Wal.minFrame to the first frame in the wal
  ** file that has not yet been checkpointed. This client will not need
  ** to read any frames earlier than minFrame from the wal file - they
  ** can be safely read directly from the database file.
  **
  ** Because a ShmBarrier() call is made between taking the copy of
  ** nBackfill and checking that the wal-header in shared-memory still
  ** matches the one cached in pWal->hdr, it is guaranteed that the
  ** checkpointer that set nBackfill was not working with a wal-index
  ** header newer than that cached in pWal->hdr. If it were, that could
  ** cause a problem. The checkpointer could omit to checkpoint
  ** a version of page X that lies before pWal->minFrame (call that version
  ** A) on the basis that there is a newer version (version B) of the same
  ** page later in the wal file. But if version B happens to like past
  ** frame pWal->hdr.mxFrame - then the client would incorrectly assume
  ** that it can read version A from the database file. However, since
  ** we can guarantee that the checkpointer that set nBackfill could not
  ** see any pages past pWal->hdr.mxFrame, this problem does not come up.
  */
  pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; SEH_INJECT_FAULT;
  walShmBarrier(pWal);
  if( AtomicLoad(pInfo->aReadMark+mxI)!=mxReadMark
   || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr))
  ){
    walUnlockShared(pWal, WAL_READ_LOCK(mxI));
    return WAL_RETRY;
  }else{
    assert( mxReadMark<=pWal->hdr.mxFrame );
    pWal->readLock = (i16)mxI;

  }
  return rc;
}

#ifdef SQLITE_ENABLE_SNAPSHOT
/*
** This function does the work of sqlite3WalSnapshotRecover().







>
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>







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68284
68285
68286
68287
    }
  }

  assert( pWal->nWiData>0 );
  assert( pWal->apWiData[0]!=0 );
  pInfo = walCkptInfo(pWal);
  SEH_INJECT_FAULT;
  {
    u32 mxReadMark;               /* Largest aReadMark[] value */
    int mxI;                      /* Index of largest aReadMark[] value */
    int i;                        /* Loop counter */
    u32 mxFrame;                  /* Wal frame to lock to */
    if( !useWal && AtomicLoad(&pInfo->nBackfill)==pWal->hdr.mxFrame
#ifdef SQLITE_ENABLE_SNAPSHOT
     && ((pWal->bGetSnapshot==0 && pWal->pSnapshot==0) || pWal->hdr.mxFrame==0)
#endif
    ){
      /* The WAL has been completely backfilled (or it is empty).
      ** and can be safely ignored.
      */
      rc = walLockShared(pWal, WAL_READ_LOCK(0));
      walShmBarrier(pWal);
      if( rc==SQLITE_OK ){
        if( memcmp((void *)walIndexHdr(pWal), &pWal->hdr,sizeof(WalIndexHdr)) ){
          /* It is not safe to allow the reader to continue here if frames
          ** may have been appended to the log before READ_LOCK(0) was obtained.
          ** When holding READ_LOCK(0), the reader ignores the entire log file,
          ** which implies that the database file contains a trustworthy
          ** snapshot. Since holding READ_LOCK(0) prevents a checkpoint from
          ** happening, this is usually correct.
          **
          ** However, if frames have been appended to the log (or if the log
          ** is wrapped and written for that matter) before the READ_LOCK(0)
          ** is obtained, that is not necessarily true. A checkpointer may
          ** have started to backfill the appended frames but crashed before
          ** it finished. Leaving a corrupt image in the database file.
          */
          walUnlockShared(pWal, WAL_READ_LOCK(0));
          return WAL_RETRY;
        }
        pWal->readLock = 0;
        return SQLITE_OK;
      }else if( rc!=SQLITE_BUSY ){
        return rc;
      }
    }

    /* If we get this far, it means that the reader will want to use
    ** the WAL to get at content from recent commits.  The job now is
    ** to select one of the aReadMark[] entries that is closest to
    ** but not exceeding pWal->hdr.mxFrame and lock that entry.
    */
    mxReadMark = 0;
    mxI = 0;
    mxFrame = pWal->hdr.mxFrame;
#ifdef SQLITE_ENABLE_SNAPSHOT
    if( pWal->pSnapshot && pWal->pSnapshot->mxFrame<mxFrame ){
      mxFrame = pWal->pSnapshot->mxFrame;
    }
#endif
    for(i=1; i<WAL_NREADER; i++){
      u32 thisMark = AtomicLoad(pInfo->aReadMark+i); SEH_INJECT_FAULT;
      if( mxReadMark<=thisMark && thisMark<=mxFrame ){
        assert( thisMark!=READMARK_NOT_USED );
        mxReadMark = thisMark;
        mxI = i;
      }
    }
    if( (pWal->readOnly & WAL_SHM_RDONLY)==0
     && (mxReadMark<mxFrame || mxI==0)
    ){
      for(i=1; i<WAL_NREADER; i++){
        rc = walLockExclusive(pWal, WAL_READ_LOCK(i), 1);
        if( rc==SQLITE_OK ){
          AtomicStore(pInfo->aReadMark+i,mxFrame);
          mxReadMark = mxFrame;
          mxI = i;
          walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
          break;
        }else if( rc!=SQLITE_BUSY ){
          return rc;
        }
      }
    }
    if( mxI==0 ){
      assert( rc==SQLITE_BUSY || (pWal->readOnly & WAL_SHM_RDONLY)!=0 );
      return rc==SQLITE_BUSY ? WAL_RETRY : SQLITE_READONLY_CANTINIT;
    }

    (void)walEnableBlockingMs(pWal, nBlockTmout);
    rc = walLockShared(pWal, WAL_READ_LOCK(mxI));
    walDisableBlocking(pWal);
    if( rc ){
#ifdef SQLITE_ENABLE_SETLK_TIMEOUT
      if( rc==SQLITE_BUSY_TIMEOUT ){
        *pCnt |= WAL_RETRY_BLOCKED_MASK;
      }
#else
      assert( rc!=SQLITE_BUSY_TIMEOUT );
#endif
      assert((rc&0xFF)!=SQLITE_BUSY||rc==SQLITE_BUSY||rc==SQLITE_BUSY_TIMEOUT);
      return (rc&0xFF)==SQLITE_BUSY ? WAL_RETRY : rc;
    }
    /* Now that the read-lock has been obtained, check that neither the
    ** value in the aReadMark[] array or the contents of the wal-index
    ** header have changed.
    **
    ** It is necessary to check that the wal-index header did not change
    ** between the time it was read and when the shared-lock was obtained
    ** on WAL_READ_LOCK(mxI) was obtained to account for the possibility
    ** that the log file may have been wrapped by a writer, or that frames
    ** that occur later in the log than pWal->hdr.mxFrame may have been
    ** copied into the database by a checkpointer. If either of these things
    ** happened, then reading the database with the current value of
    ** pWal->hdr.mxFrame risks reading a corrupted snapshot. So, retry
    ** instead.
    **
    ** Before checking that the live wal-index header has not changed
    ** since it was read, set Wal.minFrame to the first frame in the wal
    ** file that has not yet been checkpointed. This client will not need
    ** to read any frames earlier than minFrame from the wal file - they
    ** can be safely read directly from the database file.
    **
    ** Because a ShmBarrier() call is made between taking the copy of
    ** nBackfill and checking that the wal-header in shared-memory still
    ** matches the one cached in pWal->hdr, it is guaranteed that the
    ** checkpointer that set nBackfill was not working with a wal-index
    ** header newer than that cached in pWal->hdr. If it were, that could
    ** cause a problem. The checkpointer could omit to checkpoint
    ** a version of page X that lies before pWal->minFrame (call that version
    ** A) on the basis that there is a newer version (version B) of the same
    ** page later in the wal file. But if version B happens to like past
    ** frame pWal->hdr.mxFrame - then the client would incorrectly assume
    ** that it can read version A from the database file. However, since
    ** we can guarantee that the checkpointer that set nBackfill could not
    ** see any pages past pWal->hdr.mxFrame, this problem does not come up.
    */
    pWal->minFrame = AtomicLoad(&pInfo->nBackfill)+1; SEH_INJECT_FAULT;
    walShmBarrier(pWal);
    if( AtomicLoad(pInfo->aReadMark+mxI)!=mxReadMark
     || memcmp((void *)walIndexHdr(pWal), &pWal->hdr, sizeof(WalIndexHdr))
    ){
      walUnlockShared(pWal, WAL_READ_LOCK(mxI));
      return WAL_RETRY;
    }else{
      assert( mxReadMark<=pWal->hdr.mxFrame );
      pWal->readLock = (i16)mxI;
    }
  }
  return rc;
}

#ifdef SQLITE_ENABLE_SNAPSHOT
/*
** This function does the work of sqlite3WalSnapshotRecover().
91887
91888
91889
91890
91891
91892
91893
91894
91895
91896
91897
91898
91899
91900
91901
**
** Specifically, this is called from within:
**
**     sqlite3_column_int()
**     sqlite3_column_int64()
**     sqlite3_column_text()
**     sqlite3_column_text16()
**     sqlite3_column_real()
**     sqlite3_column_bytes()
**     sqlite3_column_bytes16()
**     sqlite3_column_blob()
*/
static void columnMallocFailure(sqlite3_stmt *pStmt)
{
  /* If malloc() failed during an encoding conversion within an







|







91895
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91897
91898
91899
91900
91901
91902
91903
91904
91905
91906
91907
91908
91909
**
** Specifically, this is called from within:
**
**     sqlite3_column_int()
**     sqlite3_column_int64()
**     sqlite3_column_text()
**     sqlite3_column_text16()
**     sqlite3_column_double()
**     sqlite3_column_bytes()
**     sqlite3_column_bytes16()
**     sqlite3_column_blob()
*/
static void columnMallocFailure(sqlite3_stmt *pStmt)
{
  /* If malloc() failed during an encoding conversion within an
109894
109895
109896
109897
109898
109899
109900
109901
109902
109903
109904
109905
109906
109907
109908
    p4 = sqlite3BinaryCompareCollSeq(pParse, pRight, pLeft);
  }else{
    p4 = sqlite3BinaryCompareCollSeq(pParse, pLeft, pRight);
  }
  p5 = binaryCompareP5(pLeft, pRight, jumpIfNull);
  addr = sqlite3VdbeAddOp4(pParse->pVdbe, opcode, in2, dest, in1,
                           (void*)p4, P4_COLLSEQ);
  sqlite3VdbeChangeP5(pParse->pVdbe, (u8)p5);
  return addr;
}

/*
** Return true if expression pExpr is a vector, or false otherwise.
**
** A vector is defined as any expression that results in two or more







|







109902
109903
109904
109905
109906
109907
109908
109909
109910
109911
109912
109913
109914
109915
109916
    p4 = sqlite3BinaryCompareCollSeq(pParse, pRight, pLeft);
  }else{
    p4 = sqlite3BinaryCompareCollSeq(pParse, pLeft, pRight);
  }
  p5 = binaryCompareP5(pLeft, pRight, jumpIfNull);
  addr = sqlite3VdbeAddOp4(pParse->pVdbe, opcode, in2, dest, in1,
                           (void*)p4, P4_COLLSEQ);
  sqlite3VdbeChangeP5(pParse->pVdbe, (u16)p5);
  return addr;
}

/*
** Return true if expression pExpr is a vector, or false otherwise.
**
** A vector is defined as any expression that results in two or more
129730
129731
129732
129733
129734
129735
129736
129737
129738
129739
129740
129741
129742
129743
129744
  assert( argc==3 || argc==2 );
  if( sqlite3_value_type(argv[1])==SQLITE_NULL
   || (argc==3 && sqlite3_value_type(argv[2])==SQLITE_NULL)
  ){
    return;
  }
  p0type = sqlite3_value_type(argv[0]);
  p1 = sqlite3_value_int(argv[1]);
  if( p0type==SQLITE_BLOB ){
    len = sqlite3_value_bytes(argv[0]);
    z = sqlite3_value_blob(argv[0]);
    if( z==0 ) return;
    assert( len==sqlite3_value_bytes(argv[0]) );
  }else{
    z = sqlite3_value_text(argv[0]);







|







129738
129739
129740
129741
129742
129743
129744
129745
129746
129747
129748
129749
129750
129751
129752
  assert( argc==3 || argc==2 );
  if( sqlite3_value_type(argv[1])==SQLITE_NULL
   || (argc==3 && sqlite3_value_type(argv[2])==SQLITE_NULL)
  ){
    return;
  }
  p0type = sqlite3_value_type(argv[0]);
  p1 = sqlite3_value_int64(argv[1]);
  if( p0type==SQLITE_BLOB ){
    len = sqlite3_value_bytes(argv[0]);
    z = sqlite3_value_blob(argv[0]);
    if( z==0 ) return;
    assert( len==sqlite3_value_bytes(argv[0]) );
  }else{
    z = sqlite3_value_text(argv[0]);
129755
129756
129757
129758
129759
129760
129761
129762
129763
129764
129765
129766
129767
129768
129769
  ** as substr(X,1,N) - it returns the first N characters of X.  This
  ** is essentially a back-out of the bug-fix in check-in [5fc125d362df4b8]
  ** from 2009-02-02 for compatibility of applications that exploited the
  ** old buggy behavior. */
  if( p1==0 ) p1 = 1; /* <rdar://problem/6778339> */
#endif
  if( argc==3 ){
    p2 = sqlite3_value_int(argv[2]);
    if( p2<0 ){
      p2 = -p2;
      negP2 = 1;
    }
  }else{
    p2 = sqlite3_context_db_handle(context)->aLimit[SQLITE_LIMIT_LENGTH];
  }







|







129763
129764
129765
129766
129767
129768
129769
129770
129771
129772
129773
129774
129775
129776
129777
  ** as substr(X,1,N) - it returns the first N characters of X.  This
  ** is essentially a back-out of the bug-fix in check-in [5fc125d362df4b8]
  ** from 2009-02-02 for compatibility of applications that exploited the
  ** old buggy behavior. */
  if( p1==0 ) p1 = 1; /* <rdar://problem/6778339> */
#endif
  if( argc==3 ){
    p2 = sqlite3_value_int64(argv[2]);
    if( p2<0 ){
      p2 = -p2;
      negP2 = 1;
    }
  }else{
    p2 = sqlite3_context_db_handle(context)->aLimit[SQLITE_LIMIT_LENGTH];
  }
129794
129795
129796
129797
129798
129799
129800
129801


129802
129803
129804
129805
129806
129807
129808
129809
129810
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129813
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129816
129817
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129819
129820
129821
129822
129823
129824
129825
129826
129827
    }
    for(z2=z; *z2 && p2; p2--){
      SQLITE_SKIP_UTF8(z2);
    }
    sqlite3_result_text64(context, (char*)z, z2-z, SQLITE_TRANSIENT,
                          SQLITE_UTF8);
  }else{
    if( p1+p2>len ){


      p2 = len-p1;
      if( p2<0 ) p2 = 0;
    }
    sqlite3_result_blob64(context, (char*)&z[p1], (u64)p2, SQLITE_TRANSIENT);
  }
}

/*
** Implementation of the round() function
*/
#ifndef SQLITE_OMIT_FLOATING_POINT
static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
  int n = 0;
  double r;
  char *zBuf;
  assert( argc==1 || argc==2 );
  if( argc==2 ){
    if( SQLITE_NULL==sqlite3_value_type(argv[1]) ) return;
    n = sqlite3_value_int(argv[1]);
    if( n>30 ) n = 30;
    if( n<0 ) n = 0;
  }
  if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
  r = sqlite3_value_double(argv[0]);
  /* If Y==0 and X will fit in a 64-bit int,
  ** handle the rounding directly,







|
>
>

|










|





|







129802
129803
129804
129805
129806
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129808
129809
129810
129811
129812
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129815
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129826
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129828
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129830
129831
129832
129833
129834
129835
129836
129837
    }
    for(z2=z; *z2 && p2; p2--){
      SQLITE_SKIP_UTF8(z2);
    }
    sqlite3_result_text64(context, (char*)z, z2-z, SQLITE_TRANSIENT,
                          SQLITE_UTF8);
  }else{
    if( p1>=len ){
      p1 = p2 = 0;
    }else if( p2>len-p1 ){
      p2 = len-p1;
      assert( p2>0 );
    }
    sqlite3_result_blob64(context, (char*)&z[p1], (u64)p2, SQLITE_TRANSIENT);
  }
}

/*
** Implementation of the round() function
*/
#ifndef SQLITE_OMIT_FLOATING_POINT
static void roundFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
  i64 n = 0;
  double r;
  char *zBuf;
  assert( argc==1 || argc==2 );
  if( argc==2 ){
    if( SQLITE_NULL==sqlite3_value_type(argv[1]) ) return;
    n = sqlite3_value_int64(argv[1]);
    if( n>30 ) n = 30;
    if( n<0 ) n = 0;
  }
  if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
  r = sqlite3_value_double(argv[0]);
  /* If Y==0 and X will fit in a 64-bit int,
  ** handle the rounding directly,
141314
141315
141316
141317
141318
141319
141320
141321
141322
141323
141324
141325
141326
141327
141328
      /* Make sure sufficient number of registers have been allocated */
      sqlite3TouchRegister(pParse, 8+cnt);
      sqlite3VdbeAddOp3(v, OP_Null, 0, 8, 8+cnt);
      sqlite3ClearTempRegCache(pParse);

      /* Do the b-tree integrity checks */
      sqlite3VdbeAddOp4(v, OP_IntegrityCk, 1, cnt, 8, (char*)aRoot,P4_INTARRAY);
      sqlite3VdbeChangeP5(v, (u8)i);
      addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
      sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName),
         P4_DYNAMIC);
      sqlite3VdbeAddOp3(v, OP_Concat, 2, 3, 3);
      integrityCheckResultRow(v);
      sqlite3VdbeJumpHere(v, addr);







|







141324
141325
141326
141327
141328
141329
141330
141331
141332
141333
141334
141335
141336
141337
141338
      /* Make sure sufficient number of registers have been allocated */
      sqlite3TouchRegister(pParse, 8+cnt);
      sqlite3VdbeAddOp3(v, OP_Null, 0, 8, 8+cnt);
      sqlite3ClearTempRegCache(pParse);

      /* Do the b-tree integrity checks */
      sqlite3VdbeAddOp4(v, OP_IntegrityCk, 1, cnt, 8, (char*)aRoot,P4_INTARRAY);
      sqlite3VdbeChangeP5(v, (u16)i);
      addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
      sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName),
         P4_DYNAMIC);
      sqlite3VdbeAddOp3(v, OP_Concat, 2, 3, 3);
      integrityCheckResultRow(v);
      sqlite3VdbeJumpHere(v, addr);
150547
150548
150549
150550
150551
150552
150553
150554
150555
150556
150557
150558
150559
150560
150561
          sqlite3VdbeAddOp3(v, OP_Column, pF->iOBTab, iBaseCol+j, regSubtype);
          sqlite3VdbeAddOp2(v, OP_SetSubtype, regSubtype, regAgg+j);
        }
        sqlite3ReleaseTempReg(pParse, regSubtype);
      }
      sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i));
      sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      sqlite3VdbeAddOp2(v, OP_Next, pF->iOBTab, iTop+1); VdbeCoverage(v);
      sqlite3VdbeJumpHere(v, iTop);
      sqlite3ReleaseTempRange(pParse, regAgg, nArg);
    }
    sqlite3VdbeAddOp2(v, OP_AggFinal, AggInfoFuncReg(pAggInfo,i),
                      pList ? pList->nExpr : 0);
    sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);







|







150557
150558
150559
150560
150561
150562
150563
150564
150565
150566
150567
150568
150569
150570
150571
          sqlite3VdbeAddOp3(v, OP_Column, pF->iOBTab, iBaseCol+j, regSubtype);
          sqlite3VdbeAddOp2(v, OP_SetSubtype, regSubtype, regAgg+j);
        }
        sqlite3ReleaseTempReg(pParse, regSubtype);
      }
      sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i));
      sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u16)nArg);
      sqlite3VdbeAddOp2(v, OP_Next, pF->iOBTab, iTop+1); VdbeCoverage(v);
      sqlite3VdbeJumpHere(v, iTop);
      sqlite3ReleaseTempRange(pParse, regAgg, nArg);
    }
    sqlite3VdbeAddOp2(v, OP_AggFinal, AggInfoFuncReg(pAggInfo,i),
                      pList ? pList->nExpr : 0);
    sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);
150710
150711
150712
150713
150714
150715
150716
150717
150718
150719
150720
150721
150722
150723
150724
        }
        if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem;
        sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0,
                         (char *)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i));
      sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      sqlite3ReleaseTempRange(pParse, regAgg, nArg);
    }
    if( addrNext ){
      sqlite3VdbeResolveLabel(v, addrNext);
    }
    if( pParse->nErr ) return;
  }







|







150720
150721
150722
150723
150724
150725
150726
150727
150728
150729
150730
150731
150732
150733
150734
        }
        if( regHit==0 && pAggInfo->nAccumulator ) regHit = ++pParse->nMem;
        sqlite3VdbeAddOp4(v, OP_CollSeq, regHit, 0, 0,
                         (char *)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, OP_AggStep, 0, regAgg, AggInfoFuncReg(pAggInfo,i));
      sqlite3VdbeAppendP4(v, pF->pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u16)nArg);
      sqlite3ReleaseTempRange(pParse, regAgg, nArg);
    }
    if( addrNext ){
      sqlite3VdbeResolveLabel(v, addrNext);
    }
    if( pParse->nErr ) return;
  }
154104
154105
154106
154107
154108
154109
154110
154111
154112
154113
154114
154115
154116
154117
154118
        (v, "Call: %s.%s", (p->zName?p->zName:"fkey"), onErrorText(orconf)));

    /* Set the P5 operand of the OP_Program instruction to non-zero if
    ** recursive invocation of this trigger program is disallowed. Recursive
    ** invocation is disallowed if (a) the sub-program is really a trigger,
    ** not a foreign key action, and (b) the flag to enable recursive triggers
    ** is clear.  */
    sqlite3VdbeChangeP5(v, (u8)bRecursive);
  }
}

/*
** This is called to code the required FOR EACH ROW triggers for an operation
** on table pTab. The operation to code triggers for (INSERT, UPDATE or DELETE)
** is given by the op parameter. The tr_tm parameter determines whether the







|







154114
154115
154116
154117
154118
154119
154120
154121
154122
154123
154124
154125
154126
154127
154128
        (v, "Call: %s.%s", (p->zName?p->zName:"fkey"), onErrorText(orconf)));

    /* Set the P5 operand of the OP_Program instruction to non-zero if
    ** recursive invocation of this trigger program is disallowed. Recursive
    ** invocation is disallowed if (a) the sub-program is really a trigger,
    ** not a foreign key action, and (b) the flag to enable recursive triggers
    ** is clear.  */
    sqlite3VdbeChangeP5(v, (u16)bRecursive);
  }
}

/*
** This is called to code the required FOR EACH ROW triggers for an operation
** on table pTab. The operation to code triggers for (INSERT, UPDATE or DELETE)
** is given by the op parameter. The tr_tm parameter determines whether the
170412
170413
170414
170415
170416
170417
170418

170419
170420
170421
170422
170423
170424
170425
  static void sqlite3WhereOpcodeRewriteTrace(
    sqlite3 *db,
    int pc,
    VdbeOp *pOp
  ){
    if( (db->flags & SQLITE_VdbeAddopTrace)==0 ) return;
    sqlite3VdbePrintOp(0, pc, pOp);

  }
#endif

/*
** Generate the end of the WHERE loop.  See comments on
** sqlite3WhereBegin() for additional information.
*/







>







170422
170423
170424
170425
170426
170427
170428
170429
170430
170431
170432
170433
170434
170435
170436
  static void sqlite3WhereOpcodeRewriteTrace(
    sqlite3 *db,
    int pc,
    VdbeOp *pOp
  ){
    if( (db->flags & SQLITE_VdbeAddopTrace)==0 ) return;
    sqlite3VdbePrintOp(0, pc, pOp);
    sqlite3ShowWhereTerm(0); /* So compiler won't complain about unused func */
  }
#endif

/*
** Generate the end of the WHERE loop.  See comments on
** sqlite3WhereBegin() for additional information.
*/
172521
172522
172523
172524
172525
172526
172527
172528
172529
172530
172531
172532
172533
172534
172535
        assert( ExprUseXList(pWin->pOwner) );
        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
        sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep,
                        bInverse, regArg, pWin->regAccum);
      sqlite3VdbeAppendP4(v, pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u8)nArg);
      if( pWin->bExprArgs ){
        sqlite3ReleaseTempRange(pParse, regArg, nArg);
      }
    }

    if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
  }







|







172532
172533
172534
172535
172536
172537
172538
172539
172540
172541
172542
172543
172544
172545
172546
        assert( ExprUseXList(pWin->pOwner) );
        pColl = sqlite3ExprNNCollSeq(pParse, pWin->pOwner->x.pList->a[0].pExpr);
        sqlite3VdbeAddOp4(v, OP_CollSeq, 0,0,0, (const char*)pColl, P4_COLLSEQ);
      }
      sqlite3VdbeAddOp3(v, bInverse? OP_AggInverse : OP_AggStep,
                        bInverse, regArg, pWin->regAccum);
      sqlite3VdbeAppendP4(v, pFunc, P4_FUNCDEF);
      sqlite3VdbeChangeP5(v, (u16)nArg);
      if( pWin->bExprArgs ){
        sqlite3ReleaseTempRange(pParse, regArg, nArg);
      }
    }

    if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
  }
184076
184077
184078
184079
184080
184081
184082
184083
184084
184085
184086
184087
184088
184089
184090
184091
#endif
#if SQLITE_MAX_COMPOUND_SELECT<2
# error SQLITE_MAX_COMPOUND_SELECT must be at least 2
#endif
#if SQLITE_MAX_VDBE_OP<40
# error SQLITE_MAX_VDBE_OP must be at least 40
#endif
#if SQLITE_MAX_FUNCTION_ARG<0 || SQLITE_MAX_FUNCTION_ARG>127
# error SQLITE_MAX_FUNCTION_ARG must be between 0 and 127
#endif
#if SQLITE_MAX_ATTACHED<0 || SQLITE_MAX_ATTACHED>125
# error SQLITE_MAX_ATTACHED must be between 0 and 125
#endif
#if SQLITE_MAX_LIKE_PATTERN_LENGTH<1
# error SQLITE_MAX_LIKE_PATTERN_LENGTH must be at least 1
#endif







|
|







184087
184088
184089
184090
184091
184092
184093
184094
184095
184096
184097
184098
184099
184100
184101
184102
#endif
#if SQLITE_MAX_COMPOUND_SELECT<2
# error SQLITE_MAX_COMPOUND_SELECT must be at least 2
#endif
#if SQLITE_MAX_VDBE_OP<40
# error SQLITE_MAX_VDBE_OP must be at least 40
#endif
#if SQLITE_MAX_FUNCTION_ARG<0 || SQLITE_MAX_FUNCTION_ARG>32767
# error SQLITE_MAX_FUNCTION_ARG must be between 0 and 32767
#endif
#if SQLITE_MAX_ATTACHED<0 || SQLITE_MAX_ATTACHED>125
# error SQLITE_MAX_ATTACHED must be between 0 and 125
#endif
#if SQLITE_MAX_LIKE_PATTERN_LENGTH<1
# error SQLITE_MAX_LIKE_PATTERN_LENGTH must be at least 1
#endif
185490
185491
185492
185493
185494
185495
185496
185497
185498
185499
185500
185501
185502
185503
185504
185505
185506
185507
185508
185509
185510
185511
185512
185513
185514
185515
185516
185517
185518
185519
185520
185521
      assert( /*side-effects-ok*/ (x = va_arg(ap,int))!=0 );
      rc = x;
#if defined(SQLITE_DEBUG)
      /* Invoke these debugging routines so that the compiler does not
      ** issue "defined but not used" warnings. */
      if( x==9999 ){
        sqlite3ShowExpr(0);
        sqlite3ShowExpr(0);
        sqlite3ShowExprList(0);
        sqlite3ShowIdList(0);
        sqlite3ShowSrcList(0);
        sqlite3ShowWith(0);
        sqlite3ShowUpsert(0);
#ifndef SQLITE_OMIT_TRIGGER
        sqlite3ShowTriggerStep(0);
        sqlite3ShowTriggerStepList(0);
        sqlite3ShowTrigger(0);
        sqlite3ShowTriggerList(0);
#endif
#ifndef SQLITE_OMIT_WINDOWFUNC
        sqlite3ShowWindow(0);
        sqlite3ShowWinFunc(0);
#endif
        sqlite3ShowSelect(0);
        sqlite3ShowWhereTerm(0);
      }
#endif
      break;
    }


    /*







<
















<







185501
185502
185503
185504
185505
185506
185507

185508
185509
185510
185511
185512
185513
185514
185515
185516
185517
185518
185519
185520
185521
185522
185523

185524
185525
185526
185527
185528
185529
185530
      assert( /*side-effects-ok*/ (x = va_arg(ap,int))!=0 );
      rc = x;
#if defined(SQLITE_DEBUG)
      /* Invoke these debugging routines so that the compiler does not
      ** issue "defined but not used" warnings. */
      if( x==9999 ){
        sqlite3ShowExpr(0);

        sqlite3ShowExprList(0);
        sqlite3ShowIdList(0);
        sqlite3ShowSrcList(0);
        sqlite3ShowWith(0);
        sqlite3ShowUpsert(0);
#ifndef SQLITE_OMIT_TRIGGER
        sqlite3ShowTriggerStep(0);
        sqlite3ShowTriggerStepList(0);
        sqlite3ShowTrigger(0);
        sqlite3ShowTriggerList(0);
#endif
#ifndef SQLITE_OMIT_WINDOWFUNC
        sqlite3ShowWindow(0);
        sqlite3ShowWinFunc(0);
#endif
        sqlite3ShowSelect(0);

      }
#endif
      break;
    }


    /*
226342
226343
226344
226345
226346
226347
226348


226349


226350
226351
226352
226353
226354
226355
226356
/* Invoke sqlite3PagerTruncate() as necessary, just prior to COMMIT
*/
static int dbpageSync(sqlite3_vtab *pVtab){
  DbpageTable *pTab = (DbpageTable *)pVtab;
  if( pTab->pgnoTrunc>0 ){
    Btree *pBt = pTab->db->aDb[pTab->iDbTrunc].pBt;
    Pager *pPager = sqlite3BtreePager(pBt);


    sqlite3PagerTruncateImage(pPager, pTab->pgnoTrunc);


  }
  pTab->pgnoTrunc = 0;
  return SQLITE_OK;
}

/* Cancel any pending truncate.
*/







>
>
|
>
>







226351
226352
226353
226354
226355
226356
226357
226358
226359
226360
226361
226362
226363
226364
226365
226366
226367
226368
226369
/* Invoke sqlite3PagerTruncate() as necessary, just prior to COMMIT
*/
static int dbpageSync(sqlite3_vtab *pVtab){
  DbpageTable *pTab = (DbpageTable *)pVtab;
  if( pTab->pgnoTrunc>0 ){
    Btree *pBt = pTab->db->aDb[pTab->iDbTrunc].pBt;
    Pager *pPager = sqlite3BtreePager(pBt);
    sqlite3BtreeEnter(pBt);
    if( pTab->pgnoTrunc<sqlite3BtreeLastPage(pBt) ){
      sqlite3PagerTruncateImage(pPager, pTab->pgnoTrunc);
    }
    sqlite3BtreeLeave(pBt);
  }
  pTab->pgnoTrunc = 0;
  return SQLITE_OK;
}

/* Cancel any pending truncate.
*/
255417
255418
255419
255420
255421
255422
255423
255424
255425
255426
255427
255428
255429
255430
255431
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2024-12-09 20:46:36 e2bae4143afd07de1ae55a6d2606a3b541a5b94568aa41f6a96e5d1245471653", -1, SQLITE_TRANSIENT);
}

/*
** Implementation of fts5_locale(LOCALE, TEXT) function.
**
** If parameter LOCALE is NULL, or a zero-length string, then a copy of
** TEXT is returned. Otherwise, both LOCALE and TEXT are interpreted as







|







255430
255431
255432
255433
255434
255435
255436
255437
255438
255439
255440
255441
255442
255443
255444
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2024-12-19 14:20:47 5b96dcf5f6bf41dcb89ced64efd4585e36dce718c428c2324d94e4942905c3bb", -1, SQLITE_TRANSIENT);
}

/*
** Implementation of fts5_locale(LOCALE, TEXT) function.
**
** If parameter LOCALE is NULL, or a zero-length string, then a copy of
** TEXT is returned. Otherwise, both LOCALE and TEXT are interpreted as
Changes to extsrc/sqlite3.h.
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.48.0"
#define SQLITE_VERSION_NUMBER 3048000
#define SQLITE_SOURCE_ID      "2024-12-09 20:46:36 e2bae4143afd07de1ae55a6d2606a3b541a5b94568aa41f6a96e5d1245471653"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros







|







144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.48.0"
#define SQLITE_VERSION_NUMBER 3048000
#define SQLITE_SOURCE_ID      "2024-12-19 19:02:09 e6c30ee52c5cdc193804cec63374d558b45e4d67fc6bde58771ca78485ca0acf"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros