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Overview
Comment:Update the built-in SQLite to 3.12.0 final.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:996705f5aa7c643bd4e8a008888ab3ec9dc86f4a
User & Date: drh 2016-03-29 10:38:38
Context
2016-04-01
13:37
Fix typos in comments. No changes to code. check-in: b6b50b12 user: mistachkin tags: trunk
04:04
The revert command no longer resets the undo state if nothing is actually reverted. Additional tests and bug fixes as well. check-in: 418dd7ac user: joel tags: revert
2016-03-29
10:38
Update the built-in SQLite to 3.12.0 final. check-in: 996705f5 user: drh tags: trunk
2016-03-24
18:23
Reviewed all Usage: messages for consistency and fixed a few where the fossil command was named in the call to usage(), causing the displayed usage to show the command name twice. Affected commands are bisect options, test-fileage, test-set-mtime, whatis, remote-url, and tag list. check-in: 57f1eaec user: rberteig tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

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        "3.12.0"
#define SQLITE_VERSION_NUMBER 3012000
#define SQLITE_SOURCE_ID      "2016-03-22 15:26:03 142cd359d37f1d8d53de32e329523d9a93c7d6e5"

/*
** 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
................................................................................
# 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-31093-59126 The default suggested cache size
** is 2000*1024 bytes.
** IMPLEMENTATION-OF: R-48205-43578 The default suggested cache size can be
** altered using the SQLITE_DEFAULT_CACHE_SIZE compile-time options.
*/
#ifndef SQLITE_DEFAULT_CACHE_SIZE
# define SQLITE_DEFAULT_CACHE_SIZE  -2000
#endif

................................................................................
  u8 colFlags;     /* Boolean properties.  See COLFLAG_ defines below */
};

/* Allowed values for Column.colFlags:
*/
#define COLFLAG_PRIMKEY  0x0001    /* Column is part of the primary key */
#define COLFLAG_HIDDEN   0x0002    /* A hidden column in a virtual table */


/*
** A "Collating Sequence" is defined by an instance of the following
** structure. Conceptually, a collating sequence consists of a name and
** a comparison routine that defines the order of that sequence.
**
** If CollSeq.xCmp is NULL, it means that the
................................................................................
#endif

/*
** Internal function prototypes
*/
SQLITE_PRIVATE int sqlite3StrICmp(const char*,const char*);
SQLITE_PRIVATE int sqlite3Strlen30(const char*);
SQLITE_PRIVATE const char *sqlite3StrNext(const char*);
#define sqlite3StrNICmp sqlite3_strnicmp

SQLITE_PRIVATE int sqlite3MallocInit(void);
SQLITE_PRIVATE void sqlite3MallocEnd(void);
SQLITE_PRIVATE void *sqlite3Malloc(u64);
SQLITE_PRIVATE void *sqlite3MallocZero(u64);
SQLITE_PRIVATE void *sqlite3DbMallocZero(sqlite3*, u64);
................................................................................
*/
SQLITE_PRIVATE int sqlite3Strlen30(const char *z){
  if( z==0 ) return 0;
  return 0x3fffffff & (int)strlen(z);
}

/*
** The string z[] is followed immediately by another string.  Return
** a poiner to that other string.



*/
SQLITE_PRIVATE const char *sqlite3StrNext(const char *z){
  return z + strlen(z) + 1;



}

/*
** Helper function for sqlite3Error() - called rarely.  Broken out into
** a separate routine to avoid unnecessary register saves on entry to
** sqlite3Error().
*/
................................................................................
 *          data will almost certainly result in an immediate access violation.
 ******************************************************************************
 */
#ifndef SQLITE_WIN32_HEAP_CREATE
#  define SQLITE_WIN32_HEAP_CREATE    (TRUE)
#endif













/*
 * The initial size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_INIT_SIZE
#  define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_DEFAULT_CACHE_SIZE) * \
                                       (SQLITE_DEFAULT_PAGE_SIZE) + 4194304)
#endif

/*
 * The maximum size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_MAX_SIZE
................................................................................
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
  return nBuf;
#else
  EntropyGatherer e;
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
#if defined(_MSC_VER) && _MSC_VER>=1400
  rand_s((unsigned int*)zBuf); /* rand_s() is not available with MinGW */
#endif /* defined(_MSC_VER) && _MSC_VER>=1400 */
  e.a = (unsigned char*)zBuf;
  e.na = nBuf;
  e.nXor = 0;
  e.i = 0;
  {
................................................................................
          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 abort_due_to_error;
      }


    }else{
      t = 0;
    }

    /* If after trying to extract new entries from the header, nHdrParsed is
    ** still not up to p2, that means that the record has fewer than p2
    ** columns.  So the result will be either the default value or a NULL.
................................................................................
  }
#endif
  z = sqlite3DbMallocRaw(db, pName->n + pType->n + 2);
  if( z==0 ) return;
  memcpy(z, pName->z, pName->n);
  z[pName->n] = 0;
  sqlite3Dequote(z);
  zType = z + sqlite3Strlen30(z) + 1;
  memcpy(zType, pType->z, pType->n);
  zType[pType->n] = 0;
  for(i=0; i<p->nCol; i++){
    if( sqlite3_stricmp(z, p->aCol[i].zName)==0 ){
      sqlite3ErrorMsg(pParse, "duplicate column name: %s", z);
      sqlite3DbFree(db, z);
      return;
    }
  }
................................................................................
 
  if( pType->n==0 ){
    /* If there is no type specified, columns have the default affinity
    ** 'BLOB'. */
    pCol->affinity = SQLITE_AFF_BLOB;
    pCol->szEst = 1;
  }else{



    pCol->affinity = sqlite3AffinityType(zType, &pCol->szEst);

  }
  p->nCol++;
  pParse->constraintName.n = 0;
}

/*
** This routine is called by the parser while in the middle of
................................................................................
  Parse *pParse,    /* Parsing context */
  ExprList *pList,  /* List of field names to be indexed */
  int onError,      /* What to do with a uniqueness conflict */
  int autoInc,      /* True if the AUTOINCREMENT keyword is present */
  int sortOrder     /* SQLITE_SO_ASC or SQLITE_SO_DESC */
){
  Table *pTab = pParse->pNewTable;
  const char *zName = 0;
  int iCol = -1, i;
  int nTerm;
  if( pTab==0 || IN_DECLARE_VTAB ) goto primary_key_exit;
  if( pTab->tabFlags & TF_HasPrimaryKey ){
    sqlite3ErrorMsg(pParse, 
      "table \"%s\" has more than one primary key", pTab->zName);
    goto primary_key_exit;
  }
  pTab->tabFlags |= TF_HasPrimaryKey;
  if( pList==0 ){
    iCol = pTab->nCol - 1;
    pTab->aCol[iCol].colFlags |= COLFLAG_PRIMKEY;
    zName = pTab->aCol[iCol].zName;
    nTerm = 1;
  }else{
    nTerm = pList->nExpr;
    for(i=0; i<nTerm; i++){
      Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[i].pExpr);
      assert( pCExpr!=0 );
      sqlite3StringToId(pCExpr);
      if( pCExpr->op==TK_ID ){
        const char *zCName = pCExpr->u.zToken;
        for(iCol=0; iCol<pTab->nCol; iCol++){
          if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){
            pTab->aCol[iCol].colFlags |= COLFLAG_PRIMKEY;
            zName = pTab->aCol[iCol].zName;
            break;
          }
        }
      }
    }
  }
  if( nTerm==1
   && zName
   && sqlite3StrICmp(sqlite3StrNext(zName), "INTEGER")==0
   && sortOrder!=SQLITE_SO_DESC
  ){
    pTab->iPKey = iCol;
    pTab->keyConf = (u8)onError;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= autoInc*TF_Autoincrement;
    if( pList ) pParse->iPkSortOrder = pList->a[0].sortOrder;
................................................................................
      Column *pCol;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      setAllColumnNames(v, 6, azCol); assert( 6==ArraySize(azCol) );
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
        const char *zName;
        if( IsHiddenColumn(pCol) ){
          nHidden++;
          continue;
        }
        if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){
          k = 0;
        }else if( pPk==0 ){
          k = 1;
        }else{
          for(k=1; k<=pTab->nCol && pPk->aiColumn[k-1]!=i; k++){}
        }
        assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN );
        zName = pCol->zName;
        sqlite3VdbeMultiLoad(v, 1, "issisi",
               i-nHidden,
               zName,
               sqlite3StrNext(zName),

               pCol->notNull ? 1 : 0,
               pCol->pDflt ? pCol->pDflt->u.zToken : 0,
               k);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
................................................................................
        assert( iCol==-1 || (iCol>=0 && iCol<pTab->nCol) );
#ifdef SQLITE_ENABLE_COLUMN_METADATA
        if( iCol<0 ){
          zType = "INTEGER";
          zOrigCol = "rowid";
        }else{
          zOrigCol = pTab->aCol[iCol].zName;
          zType = sqlite3StrNext(zOrigCol);
          estWidth = pTab->aCol[iCol].szEst;
        }
        zOrigTab = pTab->zName;
        if( pNC->pParse ){
          int iDb = sqlite3SchemaToIndex(pNC->pParse->db, pTab->pSchema);
          zOrigDb = pNC->pParse->db->aDb[iDb].zName;
        }
#else
        if( iCol<0 ){
          zType = "INTEGER";
        }else{
          zType = sqlite3StrNext(pTab->aCol[iCol].zName);
          estWidth = pTab->aCol[iCol].szEst;
        }
#endif
      }
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
      ** columns of the table to see if any of them contain the token "hidden".
      ** If so, set the Column COLFLAG_HIDDEN flag and remove the token from
      ** the type string.  */
      pVTable->pNext = pTab->pVTable;
      pTab->pVTable = pVTable;

      for(iCol=0; iCol<pTab->nCol; iCol++){
        char *zType = (char*)sqlite3StrNext(pTab->aCol[iCol].zName);
        int nType;
        int i = 0;
        if( !zType[0] ){
          pTab->tabFlags |= oooHidden;
          continue;
        }
        nType = sqlite3Strlen30(zType);
        if( sqlite3StrNICmp("hidden", zType, 6)||(zType[6] && zType[6]!=' ') ){
          for(i=0; i<nType; i++){
            if( (0==sqlite3StrNICmp(" hidden", &zType[i], 7))

             && (zType[i+7]=='\0' || zType[i+7]==' ')
            ){
              i++;
              break;
            }
          }
        }
        if( i<nType ){
          int j;
          int nDel = 6 + (zType[i+6] ? 1 : 0);
          for(j=i; (j+nDel)<=nType; j++){
            zType[j] = zType[j+nDel];
................................................................................
  **     1. The specified column name was rowid", "oid" or "_rowid_" 
  **        and there is no explicitly declared IPK column. 
  **
  **     2. The table is not a view and the column name identified an 
  **        explicitly declared column. Copy meta information from *pCol.
  */ 
  if( pCol ){
    zDataType = sqlite3StrNext(pCol->zName);
    if( zDataType[0]==0 ) zDataType = 0;
    zCollSeq = pCol->zColl;
    notnull = pCol->notNull!=0;
    primarykey  = (pCol->colFlags & COLFLAG_PRIMKEY)!=0;
    autoinc = pTab->iPKey==iCol && (pTab->tabFlags & TF_Autoincrement)!=0;
  }else{
    zDataType = "INTEGER";
    primarykey = 1;
................................................................................
** Constants for the largest and smallest possible 64-bit signed integers.
*/
# define LARGEST_INT64  (0xffffffff|(((i64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64)

#endif






/*
** Maximum number of prefix indexes on single FTS5 table. This must be
** less than 32. If it is set to anything large than that, an #error
** directive in fts5_index.c will cause the build to fail.
*/
#define FTS5_MAX_PREFIX_INDEXES 31
................................................................................
  TokenCtx *pCtx = (TokenCtx*)pContext;
  Fts5ExprPhrase *pPhrase = pCtx->pPhrase;

  UNUSED_PARAM2(iUnused1, iUnused2);

  /* If an error has already occurred, this is a no-op */
  if( pCtx->rc!=SQLITE_OK ) return pCtx->rc;


  if( pPhrase && pPhrase->nTerm>0 && (tflags & FTS5_TOKEN_COLOCATED) ){
    Fts5ExprTerm *pSyn;
    int nByte = sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer) + nToken+1;
    pSyn = (Fts5ExprTerm*)sqlite3_malloc(nByte);
    if( pSyn==0 ){
      rc = SQLITE_NOMEM;
................................................................................
){
  Fts5ExprCtx *p = (Fts5ExprCtx*)pCtx;
  Fts5Expr *pExpr = p->pExpr;
  int i;

  UNUSED_PARAM2(iUnused1, iUnused2);


  if( (tflags & FTS5_TOKEN_COLOCATED)==0 ) p->iOff++;
  for(i=0; i<pExpr->nPhrase; i++){
    Fts5ExprTerm *pTerm;
    if( p->aPopulator[i].bOk==0 ) continue;
    for(pTerm=&pExpr->apExprPhrase[i]->aTerm[0]; pTerm; pTerm=pTerm->pSynonym){
      int nTerm = (int)strlen(pTerm->zTerm);
      if( (nTerm==nToken || (nTerm<nToken && pTerm->bPrefix))
................................................................................
    pIter->iEndofDoclist = iTermOff + nExtra;
  }
  pIter->iPgidxOff = iPgidx;

  fts5SegIterLoadRowid(p, pIter);
  fts5SegIterLoadNPos(p, pIter);
}













/*
** Initialize the object pIter to point to term pTerm/nTerm within segment
** pSeg. If there is no such term in the index, the iterator is set to EOF.
**
** If an error occurs, Fts5Index.rc is set to an appropriate error code. If 
** an error has already occurred when this function is called, it is a no-op.
................................................................................
  int flags,                      /* Mask of FTS5INDEX_XXX flags */
  Fts5StructureSegment *pSeg,     /* Description of segment */
  Fts5SegIter *pIter              /* Object to populate */
){
  int iPg = 1;
  int bGe = (flags & FTS5INDEX_QUERY_SCAN);
  int bDlidx = 0;                 /* True if there is a doclist-index */


  assert( bGe==0 || (flags & FTS5INDEX_QUERY_DESC)==0 );
  assert( pTerm && nTerm );
  memset(pIter, 0, sizeof(*pIter));
  pIter->pSeg = pSeg;

  /* This block sets stack variable iPg to the leaf page number that may
  ** contain term (pTerm/nTerm), if it is present in the segment. */
  if( p->pIdxSelect==0 ){
    Fts5Config *pConfig = p->pConfig;
    fts5IndexPrepareStmt(p, &p->pIdxSelect, sqlite3_mprintf(
          "SELECT pgno FROM '%q'.'%q_idx' WHERE "
          "segid=? AND term<=? ORDER BY term DESC LIMIT 1",
          pConfig->zDb, pConfig->zName
    ));
  }
  if( p->rc ) return;
  sqlite3_bind_int(p->pIdxSelect, 1, pSeg->iSegid);
  sqlite3_bind_blob(p->pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(p->pIdxSelect) ){
    i64 val = sqlite3_column_int(p->pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(p->pIdxSelect);

  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
#ifdef SQLITE_DEBUG
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          assert( iSegid!=pStruct->aLevel[iLvl].aSeg[iSeg].iSegid );
        }
      }
      assert( iSegid>0 && iSegid<=FTS5_MAX_SEGMENT );











#endif
    }
  }

  return iSegid;
}

................................................................................
  }
}

static void fts5WriteFlushLeaf(Fts5Index *p, Fts5SegWriter *pWriter){
  static const u8 zero[] = { 0x00, 0x00, 0x00, 0x00 };
  Fts5PageWriter *pPage = &pWriter->writer;
  i64 iRowid;




  assert( (pPage->pgidx.n==0)==(pWriter->bFirstTermInPage) );

  /* Set the szLeaf header field. */
  assert( 0==fts5GetU16(&pPage->buf.p[2]) );
  fts5PutU16(&pPage->buf.p[2], (u16)pPage->buf.n);

................................................................................
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: 2016-03-22 15:01:54 e1ab2d376a72786098125a41c1ea8140fcbd15c6", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
  int nToken,                     /* Size of token in bytes */
  int iUnused1,                   /* Start offset of token */
  int iUnused2                    /* End offset of token */
){
  Fts5InsertCtx *pCtx = (Fts5InsertCtx*)pContext;
  Fts5Index *pIdx = pCtx->pStorage->pIndex;
  UNUSED_PARAM2(iUnused1, iUnused2);

  if( (tflags & FTS5_TOKEN_COLOCATED)==0 || pCtx->szCol==0 ){
    pCtx->szCol++;
  }
  return sqlite3Fts5IndexWrite(pIdx, pCtx->iCol, pCtx->szCol-1, pToken, nToken);
}

/*
................................................................................
  int bPresent;
  int ii;
  int rc = SQLITE_OK;
  int iPos;
  int iCol;

  UNUSED_PARAM2(iUnused1, iUnused2);


  if( (tflags & FTS5_TOKEN_COLOCATED)==0 || pCtx->szCol==0 ){
    pCtx->szCol++;
  }

  switch( pCtx->pConfig->eDetail ){
    case FTS5_DETAIL_FULL:







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334
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348
....
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9074
9075
9076
9077
9078
9079
9080
9081
9082
9083
9084
.....
12536
12537
12538
12539
12540
12541
12542
12543
12544
12545
12546
12547
12548
12549
12550
.....
14240
14241
14242
14243
14244
14245
14246
14247
14248
14249
14250
14251
14252
14253
14254
.....
25496
25497
25498
25499
25500
25501
25502
25503
25504
25505
25506
25507
25508


25509
25510
25511
25512
25513
25514
25515
25516
25517
25518
.....
35630
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35646
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35650
35651
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35653
35654
35655
35656
35657
35658
35659
35660
.....
40722
40723
40724
40725
40726
40727
40728
40729
40730
40731
40732
40733
40734
40735
40736
.....
76993
76994
76995
76996
76997
76998
76999

77000
77001
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77006
77007
77008
77009
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77011
77012
77013
77014
77015
77016
77017
77018
77019
77020
77021
.....
95526
95527
95528
95529
95530
95531
95532



95533
95534
95535
95536
95537
95538
95539
.....
95553
95554
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95556
95557
95558
95559
95560
95561
95562
95563
95564
95565
95566
95567
95568
95569
95570
95571
.....
95753
95754
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95796
95797
95798
95799
95800
95801
95802
......
108697
108698
108699
108700
108701
108702
108703

108704
108705
108706
108707
108708
108709
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108715

108716
108717
108718

108719
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108726
......
111915
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111941
......
119206
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119215




119216

119217
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119221

119222

119223
119224
119225
119226
119227
119228
119229
......
136533
136534
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136536
136537
136538
136539
136540

136541
136542
136543
136544
136545
136546
136547
......
169256
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169259
169260
169261
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169264
169265
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169267
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169269
169270
169271
169272
169273
......
174650
174651
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174653
174654
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174659
174660
174661
174662
174663
174664
......
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175654
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175660
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175664
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175666
175667
......
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178675
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178680
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178683
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178685
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178688
......
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178704
178705
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178709







178710
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178716
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178725
......
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179922
179923
179924
179925
......
180157
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180162
180163
180164
180165
180166
180167
180168
180169
180170
180171
180172
180173
......
185420
185421
185422
185423
185424
185425
185426
185427
185428
185429
185430
185431
185432
185433
185434
......
185907
185908
185909
185910
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185912
185913
185914
185915
185916
185917
185918
185919
185920
185921
......
186354
186355
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186360
186361
186362
186363
186364
186365
186366
186367
186368
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.12.0"
#define SQLITE_VERSION_NUMBER 3012000
#define SQLITE_SOURCE_ID      "2016-03-29 10:14:15 e9bb4cf40f4971974a74468ef922bdee481c988b"

/*
** 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
................................................................................
# 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,
** which means the cache size is limited to 2048000 bytes of memory.
** IMPLEMENTATION-OF: R-48205-43578 The default suggested cache size can be
** altered using the SQLITE_DEFAULT_CACHE_SIZE compile-time options.
*/
#ifndef SQLITE_DEFAULT_CACHE_SIZE
# define SQLITE_DEFAULT_CACHE_SIZE  -2000
#endif

................................................................................
  u8 colFlags;     /* Boolean properties.  See COLFLAG_ defines below */
};

/* Allowed values for Column.colFlags:
*/
#define COLFLAG_PRIMKEY  0x0001    /* Column is part of the primary key */
#define COLFLAG_HIDDEN   0x0002    /* A hidden column in a virtual table */
#define COLFLAG_HASTYPE  0x0004    /* Type name follows column name */

/*
** A "Collating Sequence" is defined by an instance of the following
** structure. Conceptually, a collating sequence consists of a name and
** a comparison routine that defines the order of that sequence.
**
** If CollSeq.xCmp is NULL, it means that the
................................................................................
#endif

/*
** Internal function prototypes
*/
SQLITE_PRIVATE int sqlite3StrICmp(const char*,const char*);
SQLITE_PRIVATE int sqlite3Strlen30(const char*);
SQLITE_PRIVATE char *sqlite3ColumnType(Column*,char*);
#define sqlite3StrNICmp sqlite3_strnicmp

SQLITE_PRIVATE int sqlite3MallocInit(void);
SQLITE_PRIVATE void sqlite3MallocEnd(void);
SQLITE_PRIVATE void *sqlite3Malloc(u64);
SQLITE_PRIVATE void *sqlite3MallocZero(u64);
SQLITE_PRIVATE void *sqlite3DbMallocZero(sqlite3*, u64);
................................................................................
*/
SQLITE_PRIVATE int sqlite3Strlen30(const char *z){
  if( z==0 ) return 0;
  return 0x3fffffff & (int)strlen(z);
}

/*
** Return the declared type of a column.  Or return zDflt if the column 
** has no declared type.
**
** The column type is an extra string stored after the zero-terminator on
** the column name if and only if the COLFLAG_HASTYPE flag is set.
*/


SQLITE_PRIVATE char *sqlite3ColumnType(Column *pCol, char *zDflt){
  if( (pCol->colFlags & COLFLAG_HASTYPE)==0 ) return zDflt;
  return pCol->zName + strlen(pCol->zName) + 1;
}

/*
** Helper function for sqlite3Error() - called rarely.  Broken out into
** a separate routine to avoid unnecessary register saves on entry to
** sqlite3Error().
*/
................................................................................
 *          data will almost certainly result in an immediate access violation.
 ******************************************************************************
 */
#ifndef SQLITE_WIN32_HEAP_CREATE
#  define SQLITE_WIN32_HEAP_CREATE    (TRUE)
#endif

/*
 * This is cache size used in the calculation of the initial size of the
 * Win32-specific heap.  It cannot be negative.
 */
#ifndef SQLITE_WIN32_CACHE_SIZE
#  if SQLITE_DEFAULT_CACHE_SIZE>=0
#    define SQLITE_WIN32_CACHE_SIZE (SQLITE_DEFAULT_CACHE_SIZE)
#  else
#    define SQLITE_WIN32_CACHE_SIZE (-(SQLITE_DEFAULT_CACHE_SIZE))
#  endif
#endif

/*
 * The initial size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_INIT_SIZE
#  define SQLITE_WIN32_HEAP_INIT_SIZE ((SQLITE_WIN32_CACHE_SIZE) * \
                                       (SQLITE_DEFAULT_PAGE_SIZE) + 4194304)
#endif

/*
 * The maximum size of the Win32-specific heap.  This value may be zero.
 */
#ifndef SQLITE_WIN32_HEAP_MAX_SIZE
................................................................................
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
  return nBuf;
#else
  EntropyGatherer e;
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
#if defined(_MSC_VER) && _MSC_VER>=1400 && !SQLITE_OS_WINCE
  rand_s((unsigned int*)zBuf); /* rand_s() is not available with MinGW */
#endif /* defined(_MSC_VER) && _MSC_VER>=1400 */
  e.a = (unsigned char*)zBuf;
  e.na = nBuf;
  e.nXor = 0;
  e.i = 0;
  {
................................................................................
          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);

  
      /* 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)
      ){
        if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);
        rc = SQLITE_CORRUPT_BKPT;
        goto abort_due_to_error;
      }
      if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);

    }else{
      t = 0;
    }

    /* If after trying to extract new entries from the header, nHdrParsed is
    ** still not up to p2, that means that the record has fewer than p2
    ** columns.  So the result will be either the default value or a NULL.
................................................................................
  }
#endif
  z = sqlite3DbMallocRaw(db, pName->n + pType->n + 2);
  if( z==0 ) return;
  memcpy(z, pName->z, pName->n);
  z[pName->n] = 0;
  sqlite3Dequote(z);



  for(i=0; i<p->nCol; i++){
    if( sqlite3_stricmp(z, p->aCol[i].zName)==0 ){
      sqlite3ErrorMsg(pParse, "duplicate column name: %s", z);
      sqlite3DbFree(db, z);
      return;
    }
  }
................................................................................
 
  if( pType->n==0 ){
    /* If there is no type specified, columns have the default affinity
    ** 'BLOB'. */
    pCol->affinity = SQLITE_AFF_BLOB;
    pCol->szEst = 1;
  }else{
    zType = z + sqlite3Strlen30(z) + 1;
    memcpy(zType, pType->z, pType->n);
    zType[pType->n] = 0;
    pCol->affinity = sqlite3AffinityType(zType, &pCol->szEst);
    pCol->colFlags |= COLFLAG_HASTYPE;
  }
  p->nCol++;
  pParse->constraintName.n = 0;
}

/*
** This routine is called by the parser while in the middle of
................................................................................
  Parse *pParse,    /* Parsing context */
  ExprList *pList,  /* List of field names to be indexed */
  int onError,      /* What to do with a uniqueness conflict */
  int autoInc,      /* True if the AUTOINCREMENT keyword is present */
  int sortOrder     /* SQLITE_SO_ASC or SQLITE_SO_DESC */
){
  Table *pTab = pParse->pNewTable;
  Column *pCol = 0;
  int iCol = -1, i;
  int nTerm;
  if( pTab==0 || IN_DECLARE_VTAB ) goto primary_key_exit;
  if( pTab->tabFlags & TF_HasPrimaryKey ){
    sqlite3ErrorMsg(pParse, 
      "table \"%s\" has more than one primary key", pTab->zName);
    goto primary_key_exit;
  }
  pTab->tabFlags |= TF_HasPrimaryKey;
  if( pList==0 ){
    iCol = pTab->nCol - 1;
    pCol = &pTab->aCol[iCol];
    pCol->colFlags |= COLFLAG_PRIMKEY;
    nTerm = 1;
  }else{
    nTerm = pList->nExpr;
    for(i=0; i<nTerm; i++){
      Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[i].pExpr);
      assert( pCExpr!=0 );
      sqlite3StringToId(pCExpr);
      if( pCExpr->op==TK_ID ){
        const char *zCName = pCExpr->u.zToken;
        for(iCol=0; iCol<pTab->nCol; iCol++){
          if( sqlite3StrICmp(zCName, pTab->aCol[iCol].zName)==0 ){
            pCol = &pTab->aCol[iCol];
            pCol->colFlags |= COLFLAG_PRIMKEY;
            break;
          }
        }
      }
    }
  }
  if( nTerm==1
   && pCol
   && sqlite3StrICmp(sqlite3ColumnType(pCol,""), "INTEGER")==0
   && sortOrder!=SQLITE_SO_DESC
  ){
    pTab->iPKey = iCol;
    pTab->keyConf = (u8)onError;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= autoInc*TF_Autoincrement;
    if( pList ) pParse->iPkSortOrder = pList->a[0].sortOrder;
................................................................................
      Column *pCol;
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      pParse->nMem = 6;
      sqlite3CodeVerifySchema(pParse, iDb);
      setAllColumnNames(v, 6, azCol); assert( 6==ArraySize(azCol) );
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){

        if( IsHiddenColumn(pCol) ){
          nHidden++;
          continue;
        }
        if( (pCol->colFlags & COLFLAG_PRIMKEY)==0 ){
          k = 0;
        }else if( pPk==0 ){
          k = 1;
        }else{
          for(k=1; k<=pTab->nCol && pPk->aiColumn[k-1]!=i; k++){}
        }
        assert( pCol->pDflt==0 || pCol->pDflt->op==TK_SPAN );

        sqlite3VdbeMultiLoad(v, 1, "issisi",
               i-nHidden,
               pCol->zName,

               sqlite3ColumnType(pCol,""),
               pCol->notNull ? 1 : 0,
               pCol->pDflt ? pCol->pDflt->u.zToken : 0,
               k);
        sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }
................................................................................
        assert( iCol==-1 || (iCol>=0 && iCol<pTab->nCol) );
#ifdef SQLITE_ENABLE_COLUMN_METADATA
        if( iCol<0 ){
          zType = "INTEGER";
          zOrigCol = "rowid";
        }else{
          zOrigCol = pTab->aCol[iCol].zName;
          zType = sqlite3ColumnType(&pTab->aCol[iCol],0);
          estWidth = pTab->aCol[iCol].szEst;
        }
        zOrigTab = pTab->zName;
        if( pNC->pParse ){
          int iDb = sqlite3SchemaToIndex(pNC->pParse->db, pTab->pSchema);
          zOrigDb = pNC->pParse->db->aDb[iDb].zName;
        }
#else
        if( iCol<0 ){
          zType = "INTEGER";
        }else{
          zType = sqlite3ColumnType(&pTab->aCol[iCol],0);
          estWidth = pTab->aCol[iCol].szEst;
        }
#endif
      }
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
................................................................................
      ** columns of the table to see if any of them contain the token "hidden".
      ** If so, set the Column COLFLAG_HIDDEN flag and remove the token from
      ** the type string.  */
      pVTable->pNext = pTab->pVTable;
      pTab->pVTable = pVTable;

      for(iCol=0; iCol<pTab->nCol; iCol++){
        char *zType = sqlite3ColumnType(&pTab->aCol[iCol], "");
        int nType;
        int i = 0;




        nType = sqlite3Strlen30(zType);

        for(i=0; i<nType; i++){
          if( 0==sqlite3StrNICmp("hidden", &zType[i], 6)
           && (i==0 || zType[i-1]==' ')
           && (zType[i+6]=='\0' || zType[i+6]==' ')
          ){

            break;

          }
        }
        if( i<nType ){
          int j;
          int nDel = 6 + (zType[i+6] ? 1 : 0);
          for(j=i; (j+nDel)<=nType; j++){
            zType[j] = zType[j+nDel];
................................................................................
  **     1. The specified column name was rowid", "oid" or "_rowid_" 
  **        and there is no explicitly declared IPK column. 
  **
  **     2. The table is not a view and the column name identified an 
  **        explicitly declared column. Copy meta information from *pCol.
  */ 
  if( pCol ){
    zDataType = sqlite3ColumnType(pCol,0);

    zCollSeq = pCol->zColl;
    notnull = pCol->notNull!=0;
    primarykey  = (pCol->colFlags & COLFLAG_PRIMKEY)!=0;
    autoinc = pTab->iPKey==iCol && (pTab->tabFlags & TF_Autoincrement)!=0;
  }else{
    zDataType = "INTEGER";
    primarykey = 1;
................................................................................
** Constants for the largest and smallest possible 64-bit signed integers.
*/
# define LARGEST_INT64  (0xffffffff|(((i64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((i64)-1) - LARGEST_INT64)

#endif

/* Truncate very long tokens to this many bytes. Hard limit is 
** (65536-1-1-4-9)==65521 bytes. The limiting factor is the 16-bit offset
** field that occurs at the start of each leaf page (see fts5_index.c). */
#define FTS5_MAX_TOKEN_SIZE 32768

/*
** Maximum number of prefix indexes on single FTS5 table. This must be
** less than 32. If it is set to anything large than that, an #error
** directive in fts5_index.c will cause the build to fail.
*/
#define FTS5_MAX_PREFIX_INDEXES 31
................................................................................
  TokenCtx *pCtx = (TokenCtx*)pContext;
  Fts5ExprPhrase *pPhrase = pCtx->pPhrase;

  UNUSED_PARAM2(iUnused1, iUnused2);

  /* If an error has already occurred, this is a no-op */
  if( pCtx->rc!=SQLITE_OK ) return pCtx->rc;
  if( nToken>FTS5_MAX_TOKEN_SIZE ) nToken = FTS5_MAX_TOKEN_SIZE;

  if( pPhrase && pPhrase->nTerm>0 && (tflags & FTS5_TOKEN_COLOCATED) ){
    Fts5ExprTerm *pSyn;
    int nByte = sizeof(Fts5ExprTerm) + sizeof(Fts5Buffer) + nToken+1;
    pSyn = (Fts5ExprTerm*)sqlite3_malloc(nByte);
    if( pSyn==0 ){
      rc = SQLITE_NOMEM;
................................................................................
){
  Fts5ExprCtx *p = (Fts5ExprCtx*)pCtx;
  Fts5Expr *pExpr = p->pExpr;
  int i;

  UNUSED_PARAM2(iUnused1, iUnused2);

  if( nToken>FTS5_MAX_TOKEN_SIZE ) nToken = FTS5_MAX_TOKEN_SIZE;
  if( (tflags & FTS5_TOKEN_COLOCATED)==0 ) p->iOff++;
  for(i=0; i<pExpr->nPhrase; i++){
    Fts5ExprTerm *pTerm;
    if( p->aPopulator[i].bOk==0 ) continue;
    for(pTerm=&pExpr->apExprPhrase[i]->aTerm[0]; pTerm; pTerm=pTerm->pSynonym){
      int nTerm = (int)strlen(pTerm->zTerm);
      if( (nTerm==nToken || (nTerm<nToken && pTerm->bPrefix))
................................................................................
    pIter->iEndofDoclist = iTermOff + nExtra;
  }
  pIter->iPgidxOff = iPgidx;

  fts5SegIterLoadRowid(p, pIter);
  fts5SegIterLoadNPos(p, pIter);
}

static sqlite3_stmt *fts5IdxSelectStmt(Fts5Index *p){
  if( p->pIdxSelect==0 ){
    Fts5Config *pConfig = p->pConfig;
    fts5IndexPrepareStmt(p, &p->pIdxSelect, sqlite3_mprintf(
          "SELECT pgno FROM '%q'.'%q_idx' WHERE "
          "segid=? AND term<=? ORDER BY term DESC LIMIT 1",
          pConfig->zDb, pConfig->zName
    ));
  }
  return p->pIdxSelect;
}

/*
** Initialize the object pIter to point to term pTerm/nTerm within segment
** pSeg. If there is no such term in the index, the iterator is set to EOF.
**
** If an error occurs, Fts5Index.rc is set to an appropriate error code. If 
** an error has already occurred when this function is called, it is a no-op.
................................................................................
  int flags,                      /* Mask of FTS5INDEX_XXX flags */
  Fts5StructureSegment *pSeg,     /* Description of segment */
  Fts5SegIter *pIter              /* Object to populate */
){
  int iPg = 1;
  int bGe = (flags & FTS5INDEX_QUERY_SCAN);
  int bDlidx = 0;                 /* True if there is a doclist-index */
  sqlite3_stmt *pIdxSelect = 0;

  assert( bGe==0 || (flags & FTS5INDEX_QUERY_DESC)==0 );
  assert( pTerm && nTerm );
  memset(pIter, 0, sizeof(*pIter));
  pIter->pSeg = pSeg;

  /* This block sets stack variable iPg to the leaf page number that may
  ** contain term (pTerm/nTerm), if it is present in the segment. */
  pIdxSelect = fts5IdxSelectStmt(p);







  if( p->rc ) return;
  sqlite3_bind_int(pIdxSelect, 1, pSeg->iSegid);
  sqlite3_bind_blob(pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(pIdxSelect) ){
    i64 val = sqlite3_column_int(pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(pIdxSelect);

  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
#ifdef SQLITE_DEBUG
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          assert( iSegid!=pStruct->aLevel[iLvl].aSeg[iSeg].iSegid );
        }
      }
      assert( iSegid>0 && iSegid<=FTS5_MAX_SEGMENT );

      {
        sqlite3_stmt *pIdxSelect = fts5IdxSelectStmt(p);
        if( p->rc==SQLITE_OK ){
          u8 aBlob[2] = {0xff, 0xff};
          sqlite3_bind_int(pIdxSelect, 1, iSegid);
          sqlite3_bind_blob(pIdxSelect, 2, aBlob, 2, SQLITE_STATIC);
          assert( sqlite3_step(pIdxSelect)!=SQLITE_ROW );
          p->rc = sqlite3_reset(pIdxSelect);
        }
      }
#endif
    }
  }

  return iSegid;
}

................................................................................
  }
}

static void fts5WriteFlushLeaf(Fts5Index *p, Fts5SegWriter *pWriter){
  static const u8 zero[] = { 0x00, 0x00, 0x00, 0x00 };
  Fts5PageWriter *pPage = &pWriter->writer;
  i64 iRowid;

static int nCall = 0;
nCall++;

  assert( (pPage->pgidx.n==0)==(pWriter->bFirstTermInPage) );

  /* Set the szLeaf header field. */
  assert( 0==fts5GetU16(&pPage->buf.p[2]) );
  fts5PutU16(&pPage->buf.p[2], (u16)pPage->buf.n);

................................................................................
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: 2016-03-29 10:14:15 e9bb4cf40f4971974a74468ef922bdee481c988b", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
  int nToken,                     /* Size of token in bytes */
  int iUnused1,                   /* Start offset of token */
  int iUnused2                    /* End offset of token */
){
  Fts5InsertCtx *pCtx = (Fts5InsertCtx*)pContext;
  Fts5Index *pIdx = pCtx->pStorage->pIndex;
  UNUSED_PARAM2(iUnused1, iUnused2);
  if( nToken>FTS5_MAX_TOKEN_SIZE ) nToken = FTS5_MAX_TOKEN_SIZE;
  if( (tflags & FTS5_TOKEN_COLOCATED)==0 || pCtx->szCol==0 ){
    pCtx->szCol++;
  }
  return sqlite3Fts5IndexWrite(pIdx, pCtx->iCol, pCtx->szCol-1, pToken, nToken);
}

/*
................................................................................
  int bPresent;
  int ii;
  int rc = SQLITE_OK;
  int iPos;
  int iCol;

  UNUSED_PARAM2(iUnused1, iUnused2);
  if( nToken>FTS5_MAX_TOKEN_SIZE ) nToken = FTS5_MAX_TOKEN_SIZE;

  if( (tflags & FTS5_TOKEN_COLOCATED)==0 || pCtx->szCol==0 ){
    pCtx->szCol++;
  }

  switch( pCtx->pConfig->eDetail ){
    case FTS5_DETAIL_FULL:

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        "3.12.0"
#define SQLITE_VERSION_NUMBER 3012000
#define SQLITE_SOURCE_ID      "2016-03-22 15:26:03 142cd359d37f1d8d53de32e329523d9a93c7d6e5"

/*
** 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        "3.12.0"
#define SQLITE_VERSION_NUMBER 3012000
#define SQLITE_SOURCE_ID      "2016-03-29 10:14:15 e9bb4cf40f4971974a74468ef922bdee481c988b"

/*
** 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