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Overview
Comment:Update the built-in SQLite to an 3.8.12 alpha version that fixes the ONEPASS optimization bug.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 292659684c25831b8a088eeb9b9f16d269981a74
User & Date: drh 2015-09-28 14:53:48
Context
2015-09-28
21:26
Improved /timewarp webpage. Formerly known as /test_timewarp. check-in: 583e2f8f user: drh tags: trunk
14:53
Update the built-in SQLite to an 3.8.12 alpha version that fixes the ONEPASS optimization bug. check-in: 29265968 user: drh tags: trunk
2015-09-25
00:02
Update the built-in SQLite to the 3.8.12 alpha that includes the ShmBarrier fix. check-in: 96e698d2 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/shell.c.

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#else
    fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
    return 1;
#endif
  }
  data.out = stdout;

#ifdef SQLITE_ENABLE_JSON1
  {
    extern int sqlite3_json_init(sqlite3*);
    sqlite3_auto_extension((void(*)(void))sqlite3_json_init);
  }
#endif

  /* Go ahead and open the database file if it already exists.  If the







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#else
    fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
    return 1;
#endif
  }
  data.out = stdout;

#ifdef SQLITE_SHELL_JSON1
  {
    extern int sqlite3_json_init(sqlite3*);
    sqlite3_auto_extension((void(*)(void))sqlite3_json_init);
  }
#endif

  /* Go ahead and open the database file if it already exists.  If the

Changes to src/sqlite3.c.

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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.12"
#define SQLITE_VERSION_NUMBER 3008012
#define SQLITE_SOURCE_ID      "2015-09-24 18:47:59 668fc1ebaf426f9eed3ed7865e41f1023dafebfb"

/*
** 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
................................................................................
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_type(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Obtaining SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.
................................................................................
}
static int pthreadMutexNotheld(sqlite3_mutex *p){
  return p->nRef==0 || pthread_equal(p->owner, pthread_self())==0;
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization only.


*/
SQLITE_PRIVATE void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__) && GCC_VERSION>=4001000
  __sync_synchronize();
#endif
................................................................................
static int winMutexNotheld(sqlite3_mutex *p){
  DWORD tid = GetCurrentThreadId();
  return winMutexNotheld2(p, tid);
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization only.


*/
SQLITE_PRIVATE void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
  __sync_synchronize();
#else
................................................................................

  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  memset(p, 0, sizeof(*p));
  p->xTask = xTask;
  p->pIn = pIn;




  if( sqlite3FaultSim(200) ){
    rc = 1;
  }else{    
    rc = pthread_create(&p->tid, 0, xTask, pIn);
  }
  if( rc ){
    p->done = 1;
................................................................................
  SQLiteThread *p;

  assert( ppThread!=0 );
  assert( xTask!=0 );
  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;





  if( sqlite3GlobalConfig.bCoreMutex==0 ){
    memset(p, 0, sizeof(*p));
  }else{
    p->xTask = xTask;
    p->pIn = pIn;
    p->tid = (void*)_beginthreadex(0, 0, sqlite3ThreadProc, p, 0, &p->id);
    if( p->tid==0 ){
      memset(p, 0, sizeof(*p));
................................................................................
SQLITE_PRIVATE int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
  DWORD rc;
  BOOL bRc;

  assert( ppOut!=0 );
  if( NEVER(p==0) ) return SQLITE_NOMEM;
  if( p->xTask==0 ){
    assert( p->id==GetCurrentThreadId() );
    rc = WAIT_OBJECT_0;
    assert( p->tid==0 );
  }else{
    assert( p->id!=0 && p->id!=GetCurrentThreadId() );
    rc = sqlite3Win32Wait((HANDLE)p->tid);
    assert( rc!=WAIT_IO_COMPLETION );
    bRc = CloseHandle((HANDLE)p->tid);
................................................................................
  DbFixer sFix;
  Token *pName = 0;
  int iDb;
  sqlite3 *db = pParse->db;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    sqlite3SelectDelete(db, pSelect);
    return;
  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ) goto create_view_fail;
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(db, p->pSchema);
  sqlite3FixInit(&sFix, pParse, iDb, "view", pName);
................................................................................
          ** or (2) the next entry has a different key */
          if( IsUniqueIndex(pIdx) ){
            int uniqOk = sqlite3VdbeMakeLabel(v);
            int jmp6;
            int kk;
            for(kk=0; kk<pIdx->nKeyCol; kk++){
              int iCol = pIdx->aiColumn[kk];
              assert( iCol>=0 && iCol<pTab->nCol );
              if( pTab->aCol[iCol].notNull ) continue;
              sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
              VdbeCoverage(v);
            }
            jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
            sqlite3VdbeGoto(v, uniqOk);
            sqlite3VdbeJumpHere(v, jmp6);
            sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
................................................................................
  /* Try to flatten subqueries in the FROM clause up into the main query
  */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
  for(i=0; !p->pPrior && i<pTabList->nSrc; i++){
    struct SrcList_item *pItem = &pTabList->a[i];
    Select *pSub = pItem->pSelect;
    int isAggSub;

    if( pSub==0 ) continue;









    isAggSub = (pSub->selFlags & SF_Aggregate)!=0;
    if( flattenSubquery(pParse, p, i, isAgg, isAggSub) ){
      /* This subquery can be absorbed into its parent. */
      if( isAggSub ){
        isAgg = 1;
        p->selFlags |= SF_Aggregate;
      }
................................................................................


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){

  if( !pIdx->zColAff ){
    if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
  }
  return pIdx->zColAff[iCol];
}
#endif

................................................................................
){
  Index *p = pLoop->u.btree.pIndex;
  int nEq = pLoop->u.btree.nEq;
  sqlite3 *db = pParse->db;
  int nLower = -1;
  int nUpper = p->nSample+1;
  int rc = SQLITE_OK;
  int iCol = p->aiColumn[nEq];
  u8 aff = sqlite3IndexColumnAffinity(db, p, iCol);
  CollSeq *pColl;
  
  sqlite3_value *p1 = 0;          /* Value extracted from pLower */
  sqlite3_value *p2 = 0;          /* Value extracted from pUpper */
  sqlite3_value *pVal = 0;        /* Value extracted from record */

  pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
................................................................................
    ** reference the index.
    */
    if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){
      pIdx = pLoop->u.btree.pIndex;
    }else if( pLoop->wsFlags & WHERE_MULTI_OR ){
      pIdx = pLevel->u.pCovidx;
    }


    if( pIdx && !db->mallocFailed ){

      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;
      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column ){
          int x = pOp->p2;
................................................................................
#endif

#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif








  /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking
  ** mode.  -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking
  ** mode.  Doing nothing at all also makes NORMAL the default.
  */
#ifdef SQLITE_DEFAULT_LOCKING_MODE
  db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE;







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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.12"
#define SQLITE_VERSION_NUMBER 3008012
#define SQLITE_SOURCE_ID      "2015-09-28 14:40:20 9d057f52217e7ef9c3f3eb84117abe3365503f44"

/*
** 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
................................................................................
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_type(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Finding The Subtype Of SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.
................................................................................
}
static int pthreadMutexNotheld(sqlite3_mutex *p){
  return p->nRef==0 || pthread_equal(p->owner, pthread_self())==0;
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization
** and also for the implementation of xShmBarrier in the VFS in cases
** where SQLite is compiled without mutexes.
*/
SQLITE_PRIVATE void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__) && GCC_VERSION>=4001000
  __sync_synchronize();
#endif
................................................................................
static int winMutexNotheld(sqlite3_mutex *p){
  DWORD tid = GetCurrentThreadId();
  return winMutexNotheld2(p, tid);
}
#endif

/*
** Try to provide a memory barrier operation, needed for initialization
** and also for the xShmBarrier method of the VFS in cases when SQLite is
** compiled without mutexes (SQLITE_THREADSAFE=0).
*/
SQLITE_PRIVATE void sqlite3MemoryBarrier(void){
#if defined(SQLITE_MEMORY_BARRIER)
  SQLITE_MEMORY_BARRIER;
#elif defined(__GNUC__)
  __sync_synchronize();
#else
................................................................................

  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  memset(p, 0, sizeof(*p));
  p->xTask = xTask;
  p->pIn = pIn;
  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
  ** function that returns SQLITE_ERROR when passed the argument 200, that
  ** forces worker threads to run sequentially and deterministically 
  ** for testing purposes. */
  if( sqlite3FaultSim(200) ){
    rc = 1;
  }else{    
    rc = pthread_create(&p->tid, 0, xTask, pIn);
  }
  if( rc ){
    p->done = 1;
................................................................................
  SQLiteThread *p;

  assert( ppThread!=0 );
  assert( xTask!=0 );
  *ppThread = 0;
  p = sqlite3Malloc(sizeof(*p));
  if( p==0 ) return SQLITE_NOMEM;
  /* If the SQLITE_TESTCTRL_FAULT_INSTALL callback is registered to a 
  ** function that returns SQLITE_ERROR when passed the argument 200, that
  ** forces worker threads to run sequentially and deterministically 
  ** (via the sqlite3FaultSim() term of the conditional) for testing
  ** purposes. */
  if( sqlite3GlobalConfig.bCoreMutex==0 || sqlite3FaultSim(200) ){
    memset(p, 0, sizeof(*p));
  }else{
    p->xTask = xTask;
    p->pIn = pIn;
    p->tid = (void*)_beginthreadex(0, 0, sqlite3ThreadProc, p, 0, &p->id);
    if( p->tid==0 ){
      memset(p, 0, sizeof(*p));
................................................................................
SQLITE_PRIVATE int sqlite3ThreadJoin(SQLiteThread *p, void **ppOut){
  DWORD rc;
  BOOL bRc;

  assert( ppOut!=0 );
  if( NEVER(p==0) ) return SQLITE_NOMEM;
  if( p->xTask==0 ){
    /* assert( p->id==GetCurrentThreadId() ); */
    rc = WAIT_OBJECT_0;
    assert( p->tid==0 );
  }else{
    assert( p->id!=0 && p->id!=GetCurrentThreadId() );
    rc = sqlite3Win32Wait((HANDLE)p->tid);
    assert( rc!=WAIT_IO_COMPLETION );
    bRc = CloseHandle((HANDLE)p->tid);
................................................................................
  DbFixer sFix;
  Token *pName = 0;
  int iDb;
  sqlite3 *db = pParse->db;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    goto create_view_fail;

  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ) goto create_view_fail;
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(db, p->pSchema);
  sqlite3FixInit(&sFix, pParse, iDb, "view", pName);
................................................................................
          ** or (2) the next entry has a different key */
          if( IsUniqueIndex(pIdx) ){
            int uniqOk = sqlite3VdbeMakeLabel(v);
            int jmp6;
            int kk;
            for(kk=0; kk<pIdx->nKeyCol; kk++){
              int iCol = pIdx->aiColumn[kk];
              assert( iCol!=(-1) && iCol<pTab->nCol );
              if( iCol>=0 && pTab->aCol[iCol].notNull ) continue;
              sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
              VdbeCoverage(v);
            }
            jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
            sqlite3VdbeGoto(v, uniqOk);
            sqlite3VdbeJumpHere(v, jmp6);
            sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
................................................................................
  /* Try to flatten subqueries in the FROM clause up into the main query
  */
#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
  for(i=0; !p->pPrior && i<pTabList->nSrc; i++){
    struct SrcList_item *pItem = &pTabList->a[i];
    Select *pSub = pItem->pSelect;
    int isAggSub;
    Table *pTab = pItem->pTab;
    if( pSub==0 ) continue;

    /* Catch mismatch in the declared columns of a view and the number of
    ** columns in the SELECT on the RHS */
    if( pTab->nCol!=pSub->pEList->nExpr ){
      sqlite3ErrorMsg(pParse, "expected %d columns for '%s' but got %d",
                      pTab->nCol, pTab->zName, pSub->pEList->nExpr);
      goto select_end;
    }

    isAggSub = (pSub->selFlags & SF_Aggregate)!=0;
    if( flattenSubquery(pParse, p, i, isAgg, isAggSub) ){
      /* This subquery can be absorbed into its parent. */
      if( isAggSub ){
        isAgg = 1;
        p->selFlags |= SF_Aggregate;
      }
................................................................................


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
static char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){
  assert( iCol>=0 && iCol<pIdx->nColumn );
  if( !pIdx->zColAff ){
    if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
  }
  return pIdx->zColAff[iCol];
}
#endif

................................................................................
){
  Index *p = pLoop->u.btree.pIndex;
  int nEq = pLoop->u.btree.nEq;
  sqlite3 *db = pParse->db;
  int nLower = -1;
  int nUpper = p->nSample+1;
  int rc = SQLITE_OK;

  u8 aff = sqlite3IndexColumnAffinity(db, p, nEq);
  CollSeq *pColl;
  
  sqlite3_value *p1 = 0;          /* Value extracted from pLower */
  sqlite3_value *p2 = 0;          /* Value extracted from pUpper */
  sqlite3_value *pVal = 0;        /* Value extracted from record */

  pColl = sqlite3LocateCollSeq(pParse, p->azColl[nEq]);
................................................................................
    ** reference the index.
    */
    if( pLoop->wsFlags & (WHERE_INDEXED|WHERE_IDX_ONLY) ){
      pIdx = pLoop->u.btree.pIndex;
    }else if( pLoop->wsFlags & WHERE_MULTI_OR ){
      pIdx = pLevel->u.pCovidx;
    }
    if( pIdx
     && (pWInfo->eOnePass==ONEPASS_OFF || !HasRowid(pIdx->pTable))
     && !db->mallocFailed
    ){
      last = sqlite3VdbeCurrentAddr(v);
      k = pLevel->addrBody;
      pOp = sqlite3VdbeGetOp(v, k);
      for(; k<last; k++, pOp++){
        if( pOp->p1!=pLevel->iTabCur ) continue;
        if( pOp->opcode==OP_Column ){
          int x = pOp->p2;
................................................................................
#endif

#ifdef SQLITE_ENABLE_DBSTAT_VTAB
  if( !db->mallocFailed && rc==SQLITE_OK){
    rc = sqlite3DbstatRegister(db);
  }
#endif

#ifdef SQLITE_ENABLE_JSON1
  if( !db->mallocFailed && rc==SQLITE_OK){
    extern int sqlite3Json1Init(sqlite3*);
    rc = sqlite3Json1Init(db);
  }
#endif

  /* -DSQLITE_DEFAULT_LOCKING_MODE=1 makes EXCLUSIVE the default locking
  ** mode.  -DSQLITE_DEFAULT_LOCKING_MODE=0 make NORMAL the default locking
  ** mode.  Doing nothing at all also makes NORMAL the default.
  */
#ifdef SQLITE_DEFAULT_LOCKING_MODE
  db->dfltLockMode = SQLITE_DEFAULT_LOCKING_MODE;

Changes to src/sqlite3.h.

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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.12"
#define SQLITE_VERSION_NUMBER 3008012
#define SQLITE_SOURCE_ID      "2015-09-24 18:47:59 668fc1ebaf426f9eed3ed7865e41f1023dafebfb"

/*
** 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
................................................................................
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_type(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Obtaining SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.







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**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.8.12"
#define SQLITE_VERSION_NUMBER 3008012
#define SQLITE_SOURCE_ID      "2015-09-28 14:40:20 9d057f52217e7ef9c3f3eb84117abe3365503f44"

/*
** 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
................................................................................
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16le(sqlite3_value*);
SQLITE_API const void *SQLITE_STDCALL sqlite3_value_text16be(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_type(sqlite3_value*);
SQLITE_API int SQLITE_STDCALL sqlite3_value_numeric_type(sqlite3_value*);

/*
** CAPI3REF: Finding The Subtype Of SQL Values
** METHOD: sqlite3_value
**
** The sqlite3_value_subtype(V) function returns the subtype for
** an [application-defined SQL function] argument V.  The subtype
** information can be used to pass a limited amount of context from
** one SQL function to another.  Use the [sqlite3_result_subtype()]
** routine to set the subtype for the return value of an SQL function.