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Overview
Comment:Merge latest trunk changes into this branch.
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Timelines: family | ancestors | descendants | both | wal2
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SHA3-256: 87ef68f9174b5e21fa2fb4f2fa23e0ecd6a0ea854422c8aa74cd7306a1ed8427
User & Date: dan 2019-01-02 16:15:02.479
Context
2019-01-02
17:00
Reinstate assert() statements in os_unix.c that were removed to allow wal-mode SHARED locks to be taken over more than one locking slot (this branch no longer does that, so the assert() statements can go back in). (check-in: 8445fb6d5d user: dan tags: wal2)
16:30
Merge latest wal2 changes into this branch. (check-in: c31eeb3c87 user: dan tags: begin-concurrent-wal2)
16:15
Merge latest trunk changes into this branch. (check-in: 87ef68f917 user: dan tags: wal2)
16:01
Add another test case to vacuum-into.test. (check-in: 0465d2fc0d user: dan tags: trunk)
2018-12-28
16:20
Add new test file wal2rollback.test to this branch. (check-in: 85a376fc6c user: dan tags: wal2)
Changes
Unified Diff Ignore Whitespace Patch
Changes to ext/expert/expert1.test.
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  CREATE TABLE t7(a, b);
} {
  SELECT * FROM t7 WHERE a=? OR b=?
} {
  CREATE INDEX t7_idx_00000062 ON t7(b);
  CREATE INDEX t7_idx_00000061 ON t7(a);
  MULTI-INDEX OR

    SEARCH TABLE t7 USING INDEX t7_idx_00000061 (a=?) 

    SEARCH TABLE t7 USING INDEX t7_idx_00000062 (b=?)
}

# rowid terms.
#
do_setup_rec_test $tn.13.1 {
  CREATE TABLE t8(a, b);
} {







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  CREATE TABLE t7(a, b);
} {
  SELECT * FROM t7 WHERE a=? OR b=?
} {
  CREATE INDEX t7_idx_00000062 ON t7(b);
  CREATE INDEX t7_idx_00000061 ON t7(a);
  MULTI-INDEX OR
    INDEX 1
      SEARCH TABLE t7 USING INDEX t7_idx_00000061 (a=?) 
    INDEX 2
      SEARCH TABLE t7 USING INDEX t7_idx_00000062 (b=?)
}

# rowid terms.
#
do_setup_rec_test $tn.13.1 {
  CREATE TABLE t8(a, b);
} {
Changes to ext/fts3/fts3_unicode2.c.
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    'f',       'g',       'h',       'h',       'i',       'i'|HIBIT, 
    'k',       'l',       'l'|HIBIT, 'l',       'm',       'n',       
    'o'|HIBIT, 'p',       'r',       'r'|HIBIT, 'r',       's',       
    's'|HIBIT, 't',       'u',       'u'|HIBIT, 'v',       'w',       
    'w',       'x',       'y',       'z',       'h',       't',       
    'w',       'y',       'a',       'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, 
    'e',       'e'|HIBIT, 'e'|HIBIT, 'i',       'o',       'o'|HIBIT, 
    'o'|HIBIT, 'o'|HIBIT, 'u',       'u'|HIBIT, 'u'|HIBIT, 'y',  
  };

  unsigned int key = (((unsigned int)c)<<3) | 0x00000007;
  int iRes = 0;
  int iHi = sizeof(aDia)/sizeof(aDia[0]) - 1;
  int iLo = 0;
  while( iHi>=iLo ){







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    'f',       'g',       'h',       'h',       'i',       'i'|HIBIT, 
    'k',       'l',       'l'|HIBIT, 'l',       'm',       'n',       
    'o'|HIBIT, 'p',       'r',       'r'|HIBIT, 'r',       's',       
    's'|HIBIT, 't',       'u',       'u'|HIBIT, 'v',       'w',       
    'w',       'x',       'y',       'z',       'h',       't',       
    'w',       'y',       'a',       'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, 
    'e',       'e'|HIBIT, 'e'|HIBIT, 'i',       'o',       'o'|HIBIT, 
    'o'|HIBIT, 'o'|HIBIT, 'u',       'u'|HIBIT, 'u'|HIBIT, 'y',       
  };

  unsigned int key = (((unsigned int)c)<<3) | 0x00000007;
  int iRes = 0;
  int iHi = sizeof(aDia)/sizeof(aDia[0]) - 1;
  int iLo = 0;
  while( iHi>=iLo ){
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** is a diacritical modifier character.
*/
int sqlite3FtsUnicodeIsdiacritic(int c){
  unsigned int mask0 = 0x08029FDF;
  unsigned int mask1 = 0x000361F8;
  if( c<768 || c>817 ) return 0;
  return (c < 768+32) ?
      (mask0 & (1 << (c-768))) :
      (mask1 & (1 << (c-768-32)));
}


/*
** Interpret the argument as a unicode codepoint. If the codepoint
** is an upper case character that has a lower case equivalent,
** return the codepoint corresponding to the lower case version.







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** is a diacritical modifier character.
*/
int sqlite3FtsUnicodeIsdiacritic(int c){
  unsigned int mask0 = 0x08029FDF;
  unsigned int mask1 = 0x000361F8;
  if( c<768 || c>817 ) return 0;
  return (c < 768+32) ?
      (mask0 & ((unsigned int)1 << (c-768))) :
      (mask1 & ((unsigned int)1 << (c-768-32)));
}


/*
** Interpret the argument as a unicode codepoint. If the codepoint
** is an upper case character that has a lower case equivalent,
** return the codepoint corresponding to the lower case version.
Changes to ext/fts3/unicode/mkunicode.tcl.
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    incr i

    puts -nonewline [format "%5d" [expr ($iCode<<3) + $nRange-1]]
    puts -nonewline ", "
  }
  puts ""
  puts "  \};"

  puts "  char aChar\[\] = \{"
  puts -nonewline "    '\\0',      "
  set i 1
  foreach c $aChar f $aFlag {
    if { $f } {
      set str "'$c'|0x80,  "
    } else {
      set str "'$c'|0x00,  "
    }
    if {$c == ""} { set str "'\\0',      " }

    if {($i % 6)==0} {puts "" ; puts -nonewline "    " }
    incr i
    puts -nonewline "$str"
  }







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    incr i

    puts -nonewline [format "%5d" [expr ($iCode<<3) + $nRange-1]]
    puts -nonewline ", "
  }
  puts ""
  puts "  \};"
  puts "#define HIBIT ((char)0x80)"
  puts "  char aChar\[\] = \{"
  puts -nonewline "    '\\0',      "
  set i 1
  foreach c $aChar f $aFlag {
    if { $f } {
      set str "'$c'|HIBIT, "
    } else {
      set str "'$c',       "
    }
    if {$c == ""} { set str "'\\0',      " }

    if {($i % 6)==0} {puts "" ; puts -nonewline "    " }
    incr i
    puts -nonewline "$str"
  }
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  puts "*/"
  puts "int ${zFunc}\(int c)\{"
  puts "  unsigned int mask0 = [format "0x%08X" $i1];"
  puts "  unsigned int mask1 = [format "0x%08X" $i2];"

  puts "  if( c<$iFirst || c>$iLast ) return 0;"
  puts "  return (c < $iFirst+32) ?"
  puts "      (mask0 & (1 << (c-$iFirst))) :"
  puts "      (mask1 & (1 << (c-$iFirst-32)));"
  puts "\}"
}


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

proc an_load_separator_ranges {} {







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  puts "*/"
  puts "int ${zFunc}\(int c)\{"
  puts "  unsigned int mask0 = [format "0x%08X" $i1];"
  puts "  unsigned int mask1 = [format "0x%08X" $i2];"

  puts "  if( c<$iFirst || c>$iLast ) return 0;"
  puts "  return (c < $iFirst+32) ?"
  puts "      (mask0 & ((unsigned int)1 << (c-$iFirst))) :"
  puts "      (mask1 & ((unsigned int)1 << (c-$iFirst-32)));"
  puts "\}"
}


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

proc an_load_separator_ranges {} {
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  set aMapArray [intarray $aMap]
  set aDataArray [intarray $aData]
  puts [code {
    static u16 aFts5UnicodeBlock[] = {$aBlockArray};
    static u16 aFts5UnicodeMap[] = {$aMapArray};
    static u16 aFts5UnicodeData[] = {$aDataArray};

    int sqlite3Fts5UnicodeCategory(int iCode) { 
      int iRes = -1;
      int iHi;
      int iLo;
      int ret;
      u16 iKey;

      if( iCode>=(1<<20) ){







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  set aMapArray [intarray $aMap]
  set aDataArray [intarray $aData]
  puts [code {
    static u16 aFts5UnicodeBlock[] = {$aBlockArray};
    static u16 aFts5UnicodeMap[] = {$aMapArray};
    static u16 aFts5UnicodeData[] = {$aDataArray};

    int sqlite3Fts5UnicodeCategory(u32 iCode) { 
      int iRes = -1;
      int iHi;
      int iLo;
      int ret;
      u16 iKey;

      if( iCode>=(1<<20) ){
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        if( aCP[iCP].iCode==i ){
          sqlite3Fts5UnicodeCatParse(aCP[iCP].zCat, aArray);
          iCP++;
        }else{
          aArray[0] = 1;
        }

        c = sqlite3Fts5UnicodeCategory(i);
        if( aArray[c]==0 ){
          *piCode = i;
          return 1;
        }
      }

      return 0;







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        if( aCP[iCP].iCode==i ){
          sqlite3Fts5UnicodeCatParse(aCP[iCP].zCat, aArray);
          iCP++;
        }else{
          aArray[0] = 1;
        }

        c = sqlite3Fts5UnicodeCategory((u32)i);
        if( aArray[c]==0 ){
          *piCode = i;
          return 1;
        }
      }

      return 0;
Changes to ext/fts5/fts5Int.h.
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/**************************************************************************
** Interface to automatically generated code in fts5_unicode2.c. 
*/
int sqlite3Fts5UnicodeIsdiacritic(int c);
int sqlite3Fts5UnicodeFold(int c, int bRemoveDiacritic);

int sqlite3Fts5UnicodeCatParse(const char*, u8*);
int sqlite3Fts5UnicodeCategory(int iCode);
void sqlite3Fts5UnicodeAscii(u8*, u8*);
/*
** End of interface to code in fts5_unicode2.c.
**************************************************************************/

#endif







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/**************************************************************************
** Interface to automatically generated code in fts5_unicode2.c. 
*/
int sqlite3Fts5UnicodeIsdiacritic(int c);
int sqlite3Fts5UnicodeFold(int c, int bRemoveDiacritic);

int sqlite3Fts5UnicodeCatParse(const char*, u8*);
int sqlite3Fts5UnicodeCategory(u32 iCode);
void sqlite3Fts5UnicodeAscii(u8*, u8*);
/*
** End of interface to code in fts5_unicode2.c.
**************************************************************************/

#endif
Changes to ext/fts5/fts5_expr.c.
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    return;
  }
  memset(aArr, 0, sizeof(aArr));
  sqlite3Fts5UnicodeCatParse("L*", aArr);
  sqlite3Fts5UnicodeCatParse("N*", aArr);
  sqlite3Fts5UnicodeCatParse("Co", aArr);
  iCode = sqlite3_value_int(apVal[0]);
  sqlite3_result_int(pCtx, aArr[sqlite3Fts5UnicodeCategory(iCode)]);
}

static void fts5ExprFold(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apVal           /* Function arguments */
){







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    return;
  }
  memset(aArr, 0, sizeof(aArr));
  sqlite3Fts5UnicodeCatParse("L*", aArr);
  sqlite3Fts5UnicodeCatParse("N*", aArr);
  sqlite3Fts5UnicodeCatParse("Co", aArr);
  iCode = sqlite3_value_int(apVal[0]);
  sqlite3_result_int(pCtx, aArr[sqlite3Fts5UnicodeCategory((u32)iCode)]);
}

static void fts5ExprFold(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apVal           /* Function arguments */
){
Changes to ext/fts5/fts5_index.c.
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  if( piCookie ) *piCookie = sqlite3Fts5Get32(pData);
  i = 4;

  /* Read the total number of levels and segments from the start of the
  ** structure record.  */
  i += fts5GetVarint32(&pData[i], nLevel);
  i += fts5GetVarint32(&pData[i], nSegment);





  nByte = (
      sizeof(Fts5Structure) +                    /* Main structure */
      sizeof(Fts5StructureLevel) * (nLevel-1)    /* aLevel[] array */
  );
  pRet = (Fts5Structure*)sqlite3Fts5MallocZero(&rc, nByte);

  if( pRet ){







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  if( piCookie ) *piCookie = sqlite3Fts5Get32(pData);
  i = 4;

  /* Read the total number of levels and segments from the start of the
  ** structure record.  */
  i += fts5GetVarint32(&pData[i], nLevel);
  i += fts5GetVarint32(&pData[i], nSegment);
  if( nLevel>FTS5_MAX_SEGMENT   || nLevel<0
   || nSegment>FTS5_MAX_SEGMENT || nSegment<0
  ){
    return FTS5_CORRUPT;
  }
  nByte = (
      sizeof(Fts5Structure) +                    /* Main structure */
      sizeof(Fts5StructureLevel) * (nLevel-1)    /* aLevel[] array */
  );
  pRet = (Fts5Structure*)sqlite3Fts5MallocZero(&rc, nByte);

  if( pRet ){
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        );
        nSegment -= nTotal;
      }

      if( rc==SQLITE_OK ){
        pLvl->nSeg = nTotal;
        for(iSeg=0; iSeg<nTotal; iSeg++){

          if( i>=nData ){
            rc = FTS5_CORRUPT;
            break;
          }
          i += fts5GetVarint32(&pData[i], pLvl->aSeg[iSeg].iSegid);
          i += fts5GetVarint32(&pData[i], pLvl->aSeg[iSeg].pgnoFirst);
          i += fts5GetVarint32(&pData[i], pLvl->aSeg[iSeg].pgnoLast);



        }



      }
    }
    if( nSegment!=0 && rc==SQLITE_OK ) rc = FTS5_CORRUPT;

    if( rc!=SQLITE_OK ){
      fts5StructureRelease(pRet);
      pRet = 0;







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        );
        nSegment -= nTotal;
      }

      if( rc==SQLITE_OK ){
        pLvl->nSeg = nTotal;
        for(iSeg=0; iSeg<nTotal; iSeg++){
          Fts5StructureSegment *pSeg = &pLvl->aSeg[iSeg];
          if( i>=nData ){
            rc = FTS5_CORRUPT;
            break;
          }
          i += fts5GetVarint32(&pData[i], pSeg->iSegid);
          i += fts5GetVarint32(&pData[i], pSeg->pgnoFirst);
          i += fts5GetVarint32(&pData[i], pSeg->pgnoLast);
          if( pSeg->pgnoLast<pSeg->pgnoFirst ){
            rc = FTS5_CORRUPT;
            break;
          }
        }
        if( iLvl>0 && pLvl[-1].nMerge && nTotal==0 ) rc = FTS5_CORRUPT;
        if( iLvl==nLevel-1 && pLvl->nMerge ) rc = FTS5_CORRUPT;
      }
    }
    if( nSegment!=0 && rc==SQLITE_OK ) rc = FTS5_CORRUPT;

    if( rc!=SQLITE_OK ){
      fts5StructureRelease(pRet);
      pRet = 0;
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*/
static void fts5SegIterLoadTerm(Fts5Index *p, Fts5SegIter *pIter, int nKeep){
  u8 *a = pIter->pLeaf->p;        /* Buffer to read data from */
  int iOff = pIter->iLeafOffset;  /* Offset to read at */
  int nNew;                       /* Bytes of new data */

  iOff += fts5GetVarint32(&a[iOff], nNew);
  if( iOff+nNew>pIter->pLeaf->nn ){
    p->rc = FTS5_CORRUPT;
    return;
  }
  pIter->term.n = nKeep;
  fts5BufferAppendBlob(&p->rc, &pIter->term, nNew, &a[iOff]);

  iOff += nNew;
  pIter->iTermLeafOffset = iOff;
  pIter->iTermLeafPgno = pIter->iLeafPgno;
  pIter->iLeafOffset = iOff;

  if( pIter->iPgidxOff>=pIter->pLeaf->nn ){
    pIter->iEndofDoclist = pIter->pLeaf->nn+1;







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*/
static void fts5SegIterLoadTerm(Fts5Index *p, Fts5SegIter *pIter, int nKeep){
  u8 *a = pIter->pLeaf->p;        /* Buffer to read data from */
  int iOff = pIter->iLeafOffset;  /* Offset to read at */
  int nNew;                       /* Bytes of new data */

  iOff += fts5GetVarint32(&a[iOff], nNew);
  if( iOff+nNew>pIter->pLeaf->nn || nKeep>pIter->term.n ){
    p->rc = FTS5_CORRUPT;
    return;
  }
  pIter->term.n = nKeep;
  fts5BufferAppendBlob(&p->rc, &pIter->term, nNew, &a[iOff]);
  assert( pIter->term.n<=pIter->term.nSpace );
  iOff += nNew;
  pIter->iTermLeafOffset = iOff;
  pIter->iTermLeafPgno = pIter->iLeafPgno;
  pIter->iLeafOffset = iOff;

  if( pIter->iPgidxOff>=pIter->pLeaf->nn ){
    pIter->iEndofDoclist = pIter->pLeaf->nn+1;
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      if( pIter->pLeaf==0 ) return;
      a = pIter->pLeaf->p;
      if( fts5LeafIsTermless(pIter->pLeaf)==0 ){
        iPgidx = pIter->pLeaf->szLeaf;
        iPgidx += fts5GetVarint32(&pIter->pLeaf->p[iPgidx], iOff);
        if( iOff<4 || iOff>=pIter->pLeaf->szLeaf ){
          p->rc = FTS5_CORRUPT;

        }else{
          nKeep = 0;
          iTermOff = iOff;
          n = pIter->pLeaf->nn;
          iOff += fts5GetVarint32(&a[iOff], nNew);
          break;
        }
      }
    }while( 1 );
  }

 search_success:

  pIter->iLeafOffset = iOff + nNew;




  pIter->iTermLeafOffset = pIter->iLeafOffset;
  pIter->iTermLeafPgno = pIter->iLeafPgno;

  fts5BufferSet(&p->rc, &pIter->term, nKeep, pTerm);
  fts5BufferAppendBlob(&p->rc, &pIter->term, nNew, &a[iOff]);

  if( iPgidx>=n ){







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      if( pIter->pLeaf==0 ) return;
      a = pIter->pLeaf->p;
      if( fts5LeafIsTermless(pIter->pLeaf)==0 ){
        iPgidx = pIter->pLeaf->szLeaf;
        iPgidx += fts5GetVarint32(&pIter->pLeaf->p[iPgidx], iOff);
        if( iOff<4 || iOff>=pIter->pLeaf->szLeaf ){
          p->rc = FTS5_CORRUPT;
          return;
        }else{
          nKeep = 0;
          iTermOff = iOff;
          n = pIter->pLeaf->nn;
          iOff += fts5GetVarint32(&a[iOff], nNew);
          break;
        }
      }
    }while( 1 );
  }

 search_success:

  pIter->iLeafOffset = iOff + nNew;
  if( pIter->iLeafOffset>n ){
    p->rc = FTS5_CORRUPT;
    return;
  }
  pIter->iTermLeafOffset = pIter->iLeafOffset;
  pIter->iTermLeafPgno = pIter->iLeafPgno;

  fts5BufferSet(&p->rc, &pIter->term, nKeep, pTerm);
  fts5BufferAppendBlob(&p->rc, &pIter->term, nNew, &a[iOff]);

  if( iPgidx>=n ){
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
      int i;
      u32 mask;
      memset(aUsed, 0, sizeof(aUsed));
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          int iId = pStruct->aLevel[iLvl].aSeg[iSeg].iSegid;
          if( iId<=FTS5_MAX_SEGMENT ){
            aUsed[(iId-1) / 32] |= 1 << ((iId-1) % 32);
          }
        }
      }

      for(i=0; aUsed[i]==0xFFFFFFFF; i++);
      mask = aUsed[i];
      for(iSegid=0; mask & (1 << iSegid); iSegid++);
      iSegid += 1 + i*32;

#ifdef SQLITE_DEBUG
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          assert_nc( iSegid!=pStruct->aLevel[iLvl].aSeg[iSeg].iSegid );
        }







|






|







3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
      int i;
      u32 mask;
      memset(aUsed, 0, sizeof(aUsed));
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          int iId = pStruct->aLevel[iLvl].aSeg[iSeg].iSegid;
          if( iId<=FTS5_MAX_SEGMENT ){
            aUsed[(iId-1) / 32] |= (u32)1 << ((iId-1) % 32);
          }
        }
      }

      for(i=0; aUsed[i]==0xFFFFFFFF; i++);
      mask = aUsed[i];
      for(iSegid=0; mask & ((u32)1 << iSegid); iSegid++);
      iSegid += 1 + i*32;

#ifdef SQLITE_DEBUG
      for(iLvl=0; iLvl<pStruct->nLevel; iLvl++){
        for(iSeg=0; iSeg<pStruct->aLevel[iLvl].nSeg; iSeg++){
          assert_nc( iSegid!=pStruct->aLevel[iLvl].aSeg[iSeg].iSegid );
        }
3889
3890
3891
3892
3893
3894
3895

3896
3897
3898
3899
3900
3901
3902
  Fts5Index *p, 
  Fts5SegWriter *pWriter,
  int nTerm, const u8 *pTerm 
){
  int nPrefix;                    /* Bytes of prefix compression for term */
  Fts5PageWriter *pPage = &pWriter->writer;
  Fts5Buffer *pPgidx = &pWriter->writer.pgidx;


  assert( p->rc==SQLITE_OK );
  assert( pPage->buf.n>=4 );
  assert( pPage->buf.n>4 || pWriter->bFirstTermInPage );

  /* If the current leaf page is full, flush it to disk. */
  if( (pPage->buf.n + pPgidx->n + nTerm + 2)>=p->pConfig->pgsz ){







>







3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
  Fts5Index *p, 
  Fts5SegWriter *pWriter,
  int nTerm, const u8 *pTerm 
){
  int nPrefix;                    /* Bytes of prefix compression for term */
  Fts5PageWriter *pPage = &pWriter->writer;
  Fts5Buffer *pPgidx = &pWriter->writer.pgidx;
  int nMin = MIN(pPage->term.n, nTerm);

  assert( p->rc==SQLITE_OK );
  assert( pPage->buf.n>=4 );
  assert( pPage->buf.n>4 || pWriter->bFirstTermInPage );

  /* If the current leaf page is full, flush it to disk. */
  if( (pPage->buf.n + pPgidx->n + nTerm + 2)>=p->pConfig->pgsz ){
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
      ** Usually, the previous term is available in pPage->term. The exception
      ** is if this is the first term written in an incremental-merge step.
      ** In this case the previous term is not available, so just write a
      ** copy of (pTerm/nTerm) into the parent node. This is slightly
      ** inefficient, but still correct.  */
      int n = nTerm;
      if( pPage->term.n ){
        n = 1 + fts5PrefixCompress(pPage->term.n, pPage->term.p, pTerm);
      }
      fts5WriteBtreeTerm(p, pWriter, n, pTerm);
      pPage = &pWriter->writer;
    }
  }else{
    nPrefix = fts5PrefixCompress(pPage->term.n, pPage->term.p, pTerm);
    fts5BufferAppendVarint(&p->rc, &pPage->buf, nPrefix);
  }

  /* Append the number of bytes of new data, then the term data itself
  ** to the page. */
  fts5BufferAppendVarint(&p->rc, &pPage->buf, nTerm - nPrefix);
  fts5BufferAppendBlob(&p->rc, &pPage->buf, nTerm - nPrefix, &pTerm[nPrefix]);







|





|







3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
      ** Usually, the previous term is available in pPage->term. The exception
      ** is if this is the first term written in an incremental-merge step.
      ** In this case the previous term is not available, so just write a
      ** copy of (pTerm/nTerm) into the parent node. This is slightly
      ** inefficient, but still correct.  */
      int n = nTerm;
      if( pPage->term.n ){
        n = 1 + fts5PrefixCompress(nMin, pPage->term.p, pTerm);
      }
      fts5WriteBtreeTerm(p, pWriter, n, pTerm);
      pPage = &pWriter->writer;
    }
  }else{
    nPrefix = fts5PrefixCompress(nMin, pPage->term.p, pTerm);
    fts5BufferAppendVarint(&p->rc, &pPage->buf, nPrefix);
  }

  /* Append the number of bytes of new data, then the term data itself
  ** to the page. */
  fts5BufferAppendVarint(&p->rc, &pPage->buf, nTerm - nPrefix);
  fts5BufferAppendBlob(&p->rc, &pPage->buf, nTerm - nPrefix, &pTerm[nPrefix]);
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
  ** copy is followed by FTS5_DATA_ZERO_PADDING 0x00 bytes, which prevents
  ** buffer overreads even if the record is corrupt.  */
  n = sqlite3_value_bytes(apVal[1]);
  aBlob = sqlite3_value_blob(apVal[1]);
  nSpace = n + FTS5_DATA_ZERO_PADDING;
  a = (u8*)sqlite3Fts5MallocZero(&rc, nSpace);
  if( a==0 ) goto decode_out;
  memcpy(a, aBlob, n);


  fts5DecodeRowid(iRowid, &iSegid, &bDlidx, &iHeight, &iPgno);

  fts5DebugRowid(&rc, &s, iRowid);
  if( bDlidx ){
    Fts5Data dlidx;
    Fts5DlidxLvl lvl;







|
<







6287
6288
6289
6290
6291
6292
6293
6294

6295
6296
6297
6298
6299
6300
6301
  ** copy is followed by FTS5_DATA_ZERO_PADDING 0x00 bytes, which prevents
  ** buffer overreads even if the record is corrupt.  */
  n = sqlite3_value_bytes(apVal[1]);
  aBlob = sqlite3_value_blob(apVal[1]);
  nSpace = n + FTS5_DATA_ZERO_PADDING;
  a = (u8*)sqlite3Fts5MallocZero(&rc, nSpace);
  if( a==0 ) goto decode_out;
  if( n>0 ) memcpy(a, aBlob, n);


  fts5DecodeRowid(iRowid, &iSegid, &bDlidx, &iHeight, &iPgno);

  fts5DebugRowid(&rc, &s, iRowid);
  if( bDlidx ){
    Fts5Data dlidx;
    Fts5DlidxLvl lvl;
Changes to ext/fts5/fts5_test_tok.c.
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
  if( idxNum==1 ){
    const char *zByte = (const char *)sqlite3_value_text(apVal[0]);
    int nByte = sqlite3_value_bytes(apVal[0]);
    pCsr->zInput = sqlite3_malloc(nByte+1);
    if( pCsr->zInput==0 ){
      rc = SQLITE_NOMEM;
    }else{
      memcpy(pCsr->zInput, zByte, nByte);
      pCsr->zInput[nByte] = 0;
      rc = pTab->tok.xTokenize(
          pTab->pTok, (void*)pCsr, 0, zByte, nByte, fts5tokCb
      );
    }
  }








|







374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
  if( idxNum==1 ){
    const char *zByte = (const char *)sqlite3_value_text(apVal[0]);
    int nByte = sqlite3_value_bytes(apVal[0]);
    pCsr->zInput = sqlite3_malloc(nByte+1);
    if( pCsr->zInput==0 ){
      rc = SQLITE_NOMEM;
    }else{
      if( nByte>0 ) memcpy(pCsr->zInput, zByte, nByte);
      pCsr->zInput[nByte] = 0;
      rc = pTab->tok.xTokenize(
          pTab->pTok, (void*)pCsr, 0, zByte, nByte, fts5tokCb
      );
    }
  }

Changes to ext/fts5/fts5_tokenize.c.
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
  if( n>0 ){
    aNew = (int*)sqlite3_realloc(p->aiException, (n+p->nException)*sizeof(int));
    if( aNew ){
      int nNew = p->nException;
      const unsigned char *zCsr = (const unsigned char*)z;
      const unsigned char *zTerm = (const unsigned char*)&z[n];
      while( zCsr<zTerm ){
        int iCode;
        int bToken;
        READ_UTF8(zCsr, zTerm, iCode);
        if( iCode<128 ){
          p->aTokenChar[iCode] = (unsigned char)bTokenChars;
        }else{
          bToken = p->aCategory[sqlite3Fts5UnicodeCategory(iCode)];
          assert( (bToken==0 || bToken==1) ); 
          assert( (bTokenChars==0 || bTokenChars==1) );
          if( bToken!=bTokenChars && sqlite3Fts5UnicodeIsdiacritic(iCode)==0 ){
            int i;
            for(i=0; i<nNew; i++){
              if( aNew[i]>iCode ) break;
            }
            memmove(&aNew[i+1], &aNew[i], (nNew-i)*sizeof(int));
            aNew[i] = iCode;
            nNew++;
          }
        }
      }







|











|







258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
  if( n>0 ){
    aNew = (int*)sqlite3_realloc(p->aiException, (n+p->nException)*sizeof(int));
    if( aNew ){
      int nNew = p->nException;
      const unsigned char *zCsr = (const unsigned char*)z;
      const unsigned char *zTerm = (const unsigned char*)&z[n];
      while( zCsr<zTerm ){
        u32 iCode;
        int bToken;
        READ_UTF8(zCsr, zTerm, iCode);
        if( iCode<128 ){
          p->aTokenChar[iCode] = (unsigned char)bTokenChars;
        }else{
          bToken = p->aCategory[sqlite3Fts5UnicodeCategory(iCode)];
          assert( (bToken==0 || bToken==1) ); 
          assert( (bTokenChars==0 || bTokenChars==1) );
          if( bToken!=bTokenChars && sqlite3Fts5UnicodeIsdiacritic(iCode)==0 ){
            int i;
            for(i=0; i<nNew; i++){
              if( (u32)aNew[i]>iCode ) break;
            }
            memmove(&aNew[i+1], &aNew[i], (nNew-i)*sizeof(int));
            aNew[i] = iCode;
            nNew++;
          }
        }
      }
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
/*
** Return true if, for the purposes of tokenizing with the tokenizer
** passed as the first argument, codepoint iCode is considered a token 
** character (not a separator).
*/
static int fts5UnicodeIsAlnum(Unicode61Tokenizer *p, int iCode){
  return (
    p->aCategory[sqlite3Fts5UnicodeCategory(iCode)]
    ^ fts5UnicodeIsException(p, iCode)
  );
}

static int fts5UnicodeTokenize(
  Fts5Tokenizer *pTokenizer,
  void *pCtx,







|







425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
/*
** Return true if, for the purposes of tokenizing with the tokenizer
** passed as the first argument, codepoint iCode is considered a token 
** character (not a separator).
*/
static int fts5UnicodeIsAlnum(Unicode61Tokenizer *p, int iCode){
  return (
    p->aCategory[sqlite3Fts5UnicodeCategory((u32)iCode)]
    ^ fts5UnicodeIsException(p, iCode)
  );
}

static int fts5UnicodeTokenize(
  Fts5Tokenizer *pTokenizer,
  void *pCtx,
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
  const char *pEnd = &aFold[nFold-6];

  UNUSED_PARAM(iUnused);

  /* Each iteration of this loop gobbles up a contiguous run of separators,
  ** then the next token.  */
  while( rc==SQLITE_OK ){
    int iCode;                    /* non-ASCII codepoint read from input */
    char *zOut = aFold;
    int is;
    int ie;

    /* Skip any separator characters. */
    while( 1 ){
      if( zCsr>=zTerm ) goto tokenize_done;







|







454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
  const char *pEnd = &aFold[nFold-6];

  UNUSED_PARAM(iUnused);

  /* Each iteration of this loop gobbles up a contiguous run of separators,
  ** then the next token.  */
  while( rc==SQLITE_OK ){
    u32 iCode;                    /* non-ASCII codepoint read from input */
    char *zOut = aFold;
    int is;
    int ie;

    /* Skip any separator characters. */
    while( 1 ){
      if( zCsr>=zTerm ) goto tokenize_done;
1280
1281
1282
1283
1284
1285
1286
1287
1288
        &aBuiltin[i].x,
        0
    );
  }

  return rc;
}









<
<
1280
1281
1282
1283
1284
1285
1286


        &aBuiltin[i].x,
        0
    );
  }

  return rc;
}


Changes to ext/fts5/fts5_unicode2.c.
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
    'f',       'g',       'h',       'h',       'i',       'i'|HIBIT, 
    'k',       'l',       'l'|HIBIT, 'l',       'm',       'n',       
    'o'|HIBIT, 'p',       'r',       'r'|HIBIT, 'r',       's',       
    's'|HIBIT, 't',       'u',       'u'|HIBIT, 'v',       'w',       
    'w',       'x',       'y',       'z',       'h',       't',       
    'w',       'y',       'a',       'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, 
    'e',       'e'|HIBIT, 'e'|HIBIT, 'i',       'o',       'o'|HIBIT, 
    'o'|HIBIT, 'o'|HIBIT, 'u',       'u'|HIBIT, 'u'|HIBIT, 'y',  
  };

  unsigned int key = (((unsigned int)c)<<3) | 0x00000007;
  int iRes = 0;
  int iHi = sizeof(aDia)/sizeof(aDia[0]) - 1;
  int iLo = 0;
  while( iHi>=iLo ){







|







65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
    'f',       'g',       'h',       'h',       'i',       'i'|HIBIT, 
    'k',       'l',       'l'|HIBIT, 'l',       'm',       'n',       
    'o'|HIBIT, 'p',       'r',       'r'|HIBIT, 'r',       's',       
    's'|HIBIT, 't',       'u',       'u'|HIBIT, 'v',       'w',       
    'w',       'x',       'y',       'z',       'h',       't',       
    'w',       'y',       'a',       'a'|HIBIT, 'a'|HIBIT, 'a'|HIBIT, 
    'e',       'e'|HIBIT, 'e'|HIBIT, 'i',       'o',       'o'|HIBIT, 
    'o'|HIBIT, 'o'|HIBIT, 'u',       'u'|HIBIT, 'u'|HIBIT, 'y',       
  };

  unsigned int key = (((unsigned int)c)<<3) | 0x00000007;
  int iRes = 0;
  int iHi = sizeof(aDia)/sizeof(aDia[0]) - 1;
  int iLo = 0;
  while( iHi>=iLo ){
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
** is a diacritical modifier character.
*/
int sqlite3Fts5UnicodeIsdiacritic(int c){
  unsigned int mask0 = 0x08029FDF;
  unsigned int mask1 = 0x000361F8;
  if( c<768 || c>817 ) return 0;
  return (c < 768+32) ?
      (mask0 & (1 << (c-768))) :
      (mask1 & (1 << (c-768-32)));
}


/*
** Interpret the argument as a unicode codepoint. If the codepoint
** is an upper case character that has a lower case equivalent,
** return the codepoint corresponding to the lower case version.







|
|







96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
** is a diacritical modifier character.
*/
int sqlite3Fts5UnicodeIsdiacritic(int c){
  unsigned int mask0 = 0x08029FDF;
  unsigned int mask1 = 0x000361F8;
  if( c<768 || c>817 ) return 0;
  return (c < 768+32) ?
      (mask0 & ((unsigned int)1 << (c-768))) :
      (mask1 & ((unsigned int)1 << (c-768-32)));
}


/*
** Interpret the argument as a unicode codepoint. If the codepoint
** is an upper case character that has a lower case equivalent,
** return the codepoint corresponding to the lower case version.
244
245
246
247
248
249
250

251
252
253
254
255
256
257
  
  else if( c>=66560 && c<66600 ){
    ret = c + 40;
  }

  return ret;
}


int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ 
  aArray[0] = 1;
  switch( zCat[0] ){
    case 'C':
          switch( zCat[1] ){
            case 'c': aArray[1] = 1; break;







>







244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
  
  else if( c>=66560 && c<66600 ){
    ret = c + 40;
  }

  return ret;
}


int sqlite3Fts5UnicodeCatParse(const char *zCat, u8 *aArray){ 
  aArray[0] = 1;
  switch( zCat[0] ){
    case 'C':
          switch( zCat[1] ){
            case 'c': aArray[1] = 1; break;
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
    89,    1434,  3226,  506,   474,   506,   506,   367,   1018,  1946,  
    1402,  954,   1402,  314,   90,    1082,  218,   2266,  666,   1210,  
    186,   570,   2042,  58,    5850,  154,   2010,  154,   794,   2266,  
    378,   2266,  3738,  39,    39,    39,    39,    39,    39,    17351, 
    34,    3074,  7692,  63,    63,    
  };

int sqlite3Fts5UnicodeCategory(int iCode) { 
  int iRes = -1;
  int iHi;
  int iLo;
  int ret;
  u16 iKey;

  if( iCode>=(1<<20) ){







|







727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
    89,    1434,  3226,  506,   474,   506,   506,   367,   1018,  1946,  
    1402,  954,   1402,  314,   90,    1082,  218,   2266,  666,   1210,  
    186,   570,   2042,  58,    5850,  154,   2010,  154,   794,   2266,  
    378,   2266,  3738,  39,    39,    39,    39,    39,    39,    17351, 
    34,    3074,  7692,  63,    63,    
  };

int sqlite3Fts5UnicodeCategory(u32 iCode) { 
  int iRes = -1;
  int iHi;
  int iLo;
  int ret;
  u16 iKey;

  if( iCode>=(1<<20) ){
769
770
771
772
773
774
775

    int n = (aFts5UnicodeData[iTbl] >> 5) + i;
    for(; i<128 && i<n; i++){
      aAscii[i] = bToken;
    }
    iTbl++;
  }
}








>
770
771
772
773
774
775
776
777
    int n = (aFts5UnicodeData[iTbl] >> 5) + i;
    for(; i<128 && i<n; i++){
      aAscii[i] = bToken;
    }
    iTbl++;
  }
}

Changes to ext/fts5/test/fts5corrupt3.test.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
    CREATE VIRTUAL TABLE t1 USING fts5(x);
    INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
    WITH ii(i) AS (SELECT 1 UNION SELECT i+1 FROM ii WHERE i<100)
      INSERT INTO t1 SELECT rnddoc(10) FROM ii;
  }
}

if 1 {

# Create a simple FTS5 table containing 100 documents. Each document 
# contains 10 terms, each of which start with the character "x".
#
do_test 1.0 { create_t1 } {}

do_test 1.1 {
  # Pick out the rowid of the right-most b-tree leaf in the new segment.







<
<







31
32
33
34
35
36
37


38
39
40
41
42
43
44
    CREATE VIRTUAL TABLE t1 USING fts5(x);
    INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
    WITH ii(i) AS (SELECT 1 UNION SELECT i+1 FROM ii WHERE i<100)
      INSERT INTO t1 SELECT rnddoc(10) FROM ii;
  }
}



# Create a simple FTS5 table containing 100 documents. Each document 
# contains 10 terms, each of which start with the character "x".
#
do_test 1.0 { create_t1 } {}

do_test 1.1 {
  # Pick out the rowid of the right-most b-tree leaf in the new segment.
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    db eval {DELETE FROM t5_data WHERE rowid = $i}
    set r [catchsql { INSERT INTO t5(t5) VALUES('integrity-check')} ]
    if {$r != "1 {database disk image is malformed}"} { error $r }
    db eval ROLLBACK  
  }
} {}

}

#------------------------------------------------------------------------
# Corruption within the structure record.
#
reset_db
do_execsql_test 8.1 {
  CREATE VIRTUAL TABLE t1 USING fts5(x, y);
  INSERT INTO t1 VALUES('one', 'two');







<
<







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



#------------------------------------------------------------------------
# Corruption within the structure record.
#
reset_db
do_execsql_test 8.1 {
  CREATE VIRTUAL TABLE t1 USING fts5(x, y);
  INSERT INTO t1 VALUES('one', 'two');
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964






















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































965
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|     64: 70 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00   p...........p...
| end c16.db
}]} {}

do_catchsql_test 15.1 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































sqlite3_fts5_may_be_corrupt 0
finish_test








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|     64: 70 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00   p...........p...
| end c16.db
}]} {}

do_catchsql_test 15.1 {
  INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {database disk image is malformed}}

#---------------------------------------------------------------------------
#
reset_db
do_test 16.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c17.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     96: 00 00 00 00 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ...............m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 00 00 00 03 0f bd 00 0f e8 0f ef 0f bd 00 00   ................
|   4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 02 04 02 66 74 00 02 22 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 03 03 0f   on..............
|   4080: 0a 03 00 24 00 00 00 00 01 01 01 00 01 01 41 01   ...$..........A.
| page 3 offset 8192
|      0: 0a 00 00 00 01 0f fa 00 0f fa 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 00 00 00 00 00 00 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 00 00 00 03 0f e0 00 0f f6 0f ec 0f e0 00 00   ................
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 03 0f ee 00 0f fa 0f f4 0f ee 00 00   ................
|   4064: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 03   ................
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c17.db
}]} {}

do_catchsql_test 16.1 {
INSERT INTO t1(t1) VALUES('integrity-check');
} {1 {vtable constructor failed: t1}}

#--------------------------------------------------------------------------
reset_db
do_test 17.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c18.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     96: 00 00 00 00 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ...............m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 00 00 00 03 0f bd 00 0f e8 0f ef 0f bd 00 00   ................
|   4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 02 04 02 66 74 00 02 22 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 03 03 0f   on..............
|   4080: 0a 03 00 24 00 00 0a aa aa aa aa aa aa aa aa aa   ...$............
| page 3 offset 8192
|      0: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa   ................
|     16: aa aa aa aa aa aa aa aa 00 00 10 10 10 00 10 10   ................
|     32: 10 10 a0 00 00 00 10 ff a0 00 ff 52 05 64 95 25   ...........R.d.%
|     48: 45 54 14 c2 05 44 14 24 c4 52 07 43 12 05 55 34   ET...D.$.R.C..U4
|     64: 94 e4 72 06 67 47 33 52 86 36 f6 e7 46 56 e7 42   ..r.gG3R.6..FV.B
|     80: 90 d0 00 00 00 30 fb d0 00 fe 80 fe f0 fb 00 00   .....0..........
|   4080: 00 00 00 00 00 00 00 00 00 00 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 00 00 00 03 0f e0 00 0f f6 0f ec 0f e0 00 00   ................
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 03 0f ee 00 0f fa 0f f4 0f ee 00 00   ................
|   4064: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 03   ................
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c18.db
}]} {}

do_catchsql_test 17.1 {
  SELECT * FROM t1 WHERE t1 MATCH 'abandon';
} {1 {vtable constructor failed: t1}}

#--------------------------------------------------------------------------
reset_db
do_test 18.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c19b.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 01 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01   ................
|     96: 00 2e 30 38 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ..08...........m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 09 a6 00 06 09 22 00 0f e8 09 22 0f bd 0f 2c   ...............,
|     16: 09 bd 09 3c 00 00 00 00 00 00 00 00 00 00 00 00   ...<............
|   2336: 00 00 18 0a 03 00 36 00 00 00 00 01 04 04 00 04   ......6.........
|   2352: 01 01 01 02 01 01 03 01 01 04 01 01 63 90 80 80   ............c...
|   2368: 80 80 01 04 00 81 4a 00 00 00 56 06 30 61 62 61   ......J...V.0aba
|   2384: 63 6b 08 01 04 04 6e 64 6f 6e 03 01 05 01 02 05   ck....ndon......
|   2400: 63 74 69 76 65 08 01 02 04 6c 70 68 61 08 01 02   ctive....lpha...
|   2416: 03 74 6f 6d 08 01 01 06 62 61 63 6b 75 70 08 01   .tom....backup..
|   2432: 01 0c 63 68 61 6e 6e 65 62 6f 6f 6d 65 72 08 01   ..channeboomer..
|   2448: 07 01 6c 08 01 01 04 74 65 73 74 08 01 04 09 0a   ..l....test.....
|   2464: 09 08 07 0a 10 05 0f 18 00 17 30 00 00 00 00 01   ..........0.....
|   2480: 03 03 00 03 01 01 01 02 01 01 03 01 01 8a 53 8c   ..............S.
|   2496: 80 80 80 80 01 04 00 95 2a 00 00 05 35 0d 30 30   ........*...5.00
|   2512: 31 30 66 66 61 30 30 30 66 66 61 05 02 1c 02 49   10ffa000ffa....I
|   2528: 33 34 33 35 32 34 35 34 31 35 34 34 35 32 30 35   3435245415445205
|   2544: 34 34 31 34 32 34 63 34 35 32 30 32 37 37 34 33   441424c452027743
|   2560: 31 35 66 36 39 36 34 37 38 32 37 32 38 37 33 36   15f6964782728736
|   2576: 35 36 37 36 39 36 34 32 63 32 30 37 34 36 35 37   56769642c2074657
|   2592: 32 36 64 32 63 32 30 37 30 05 02 12 02 3b 36 31   26d2c2070....;61
|   2608: 37 32 31 32 31 30 31 37 37 37 34 36 31 36 32 35   7212101777461625
|   2624: 63 36 35 37 34 33 31 35 66 36 33 36 66 36 65 37   c6574315f636f6e7
|   2640: 34 36 35 36 65 37 34 37 34 33 31 35 66 36 33 36   4656e7474315f636
|   2656: 66 36 65 37 34 36 35 36 65 05 04 07 07 01 04 31   f6e74656e......1
|   2672: 66 62 64 05 02 19 01 44 32 34 38 34 38 30 38 30   fbd....D24848080
|   2688: 38 30 38 30 30 31 30 33 30 30 34 65 30 30 30 30   80800103004e0000
|   2704: 30 30 31 65 30 36 33 30 36 31 36 32 36 31 36 33   001e063061626163
|   2720: 36 62 30 31 30 32 30 32 30 34 30 32 36 36 37 34   6b01020204026674
|   2736: 30 32 30 32 30 32 30 34 30 34 36 65 05 02 1a 02   02020204046e....
|   2752: 03 66 65 72 05 02 1d 01 28 33 65 37 34 36 35 36   .fer....(3e74656
|   2768: 65 37 34 32 39 30 64 30 30 30 30 30 30 30 33 30   e74290d000000030
|   2784: 66 62 64 30 30 30 66 65 38 30 66 65 66 30 66 62   fbd000fe80fef0fb
|   2800: 64 05 02 18 01 4a 34 31 35 32 35 39 32 30 34 62   d....J415259204b
|   2816: 34 35 35 39 32 63 32 30 36 32 36 63 36 66 36 33   45592c20626c6f63
|   2832: 36 62 32 30 34 32 34 63 34 66 34 32 32 39 33 61   6b20424c4f42293a
|   2848: 30 31 30 36 31 37 31 31 31 31 30 38 36 33 37 34   0106171111086374
|   2864: 36 31 36 32 36 63 36 35 37 34 33 31 37 34 33 31   61626c6574317431
|   2880: 05 02 16 02 49 33 35 32 34 35 34 31 35 34 34 35   ....I35245415445
|   2896: 32 30 35 36 34 39 35 32 35 34 35 35 34 31 34 63   205649525455414c
|   2912: 32 30 35 34 34 31 34 32 34 63 34 35 32 30 37 34   205441424c452074
|   2928: 33 31 6f 30 35 35 35 33 34 39 34 65 34 37 32 30   31o05553494e4720
|   2944: 36 36 37 34 37 33 33 35 32 38 36 33 36 66 05 02   6674733528636f..
|   2960: 17 02 49 35 32 30 35 34 34 31 34 32 34 63 34 35   ..I5205441424c45
|   2976: 32 30 32 37 37 34 33 31 35 66 36 33 36 66 36 65   202774315f636f6e
|   2992: 37 34 36 35 36 65 37 34 32 37 32 38 36 39 36 34   74656e7427286964
|   3008: 32 30 34 39 34 65 35 34 34 35 34 37 34 35 35 32   20494e5445474552
|   3024: 32 30 35 30 35 32 34 39 34 64 34 31 05 02 0e 44   205052494d41...D
|   3040: 29 62 30 35 30 37 31 37 32 31 32 31 30 31 38 31   )b05071721210181
|   3056: 30 31 37 34 36 31 36 32 36 63 36 35 37 34 33 31   017461626c657431
|   3072: 35 66 36 34 36 66 36 33 37 33 05 02 09 01 4a 35   5f646f6373....J5
|   3088: 32 34 35 34 31 35 34 34 35 32 30 35 34 34 31 34   2454154452054414
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|   3728: 02 04 01 06 62 61 63 6b 75 70 05 02 1e 02 05 65   ....backup.....e
|   3744: 61 6d 65 72 05 02 02 02 05 6f 6f 6d 65 72 05 01   amer.....oomer..
|   3760: 02 40 75 6d 6d 32 34 63 34 35 32 30 32 37 37 34   .@umm24c45202774
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|   3824: 32 30 05 02 03 01 04 79 65 6b 72 05 02 10 04 11   20.....yekr.....
|   3840: 4e 41 09 49 08 2d 4f 4e 4e 2e 4f 3f 4e 0c 4f 4f   NA.I.-ONN.O?N.OO
|   3856: 4e 4f 14 4e 0b 0a 09 45 0f ef 00 14 2a 00 00 00   NO.N...E....*...
|   3872: 00 01 02 02 00 02 01 01 01 02 01 01 81 09 88 80   ................
|   3888: 80 80 80 01 04 00 82 16 00 00 00 79 06 30 61 62   ...........y.0ab
|   3904: 61 63 6b 08 02 07 04 04 6e 64 6f 6e 08 02 05 02   ack.....ndon....
|   3920: 05 63 74 69 76 65 04 02 02 04 02 0b 02 04 6c 70   .ctive........lp
|   3936: 68 61 08 04 02 0a 02 03 74 6b 6d 06 02 02 03 02   ha......tkm.....
|   3952: 6f 6d 08 02 09 05 02 69 63 07 02 02 01 06 62 61   om.....ic.....ba
|   3968: 63 6b 75 70 08 02 04 02 05 6f 6f 6d 65 72 05 02   ckup.....oomer..
|   3984: 02 01 0c 63 68 61 6e 6e 65 62 6f 6f 6d 65 72 08   ...channeboomer.
|   4000: 02 08 07 01 6c 08 02 03 01 04 74 65 73 74 08 02   ....l.....test..
|   4016: 06 04 0a 09 0d 0a 08 07 07 0b 0a 11 06 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 08 02 04 02 66 74 00 02 22 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 06 22 00   on..............
|   4080: 00 00 11 24 00 00 00 00 01 01 01 00 01 01 01 01   ...$............
| page 3 offset 8192
|      0: 0a 00 00 00 04 0f e5 00 0f fa 0f f3 0f ec 0f e5   ................
|   4064: 00 00 00 00 00 06 04 01 0c 01 04 02 06 04 01 0c   ................
|   4080: 01 03 02 06 04 01 0c 01 02 02 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 0f 68 00 06 08 98 00 0f f6 0f ec 0f d5 08 98   ..h.............
|     16: 0f c1 0f b6 0f 68 0f 68 00 00 00 00 00 00 00 00   .....h.h........
|   2192: 00 00 00 00 00 00 00 00 8d 4d 05 04 00 9b 1f 62   .........M.....b
|   2208: 65 61 6d 65 72 20 62 75 6d 6d 32 34 63 34 35 32   eamer bumm24c452
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|   3872: 30 33 30 33 30 66 30 61 30 33 30 30 32 34 30 30   03030f0a03002400
|   3888: 30 30 30 30 30 30 30 31 30 31 30 31 30 30 30 31   0000000101010001
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|   3920: 31 30 66 66 61 30 30 30 66 66 61 0a 5b 32 66 65   10ffa000ffa.[2fe
|   3936: 72 20 62 61 63 6b 75 70 0f ca 00 4e 81 1d 61 6c   r backup...N..al
|   3952: 70 68 61 20 63 68 61 6e 6e 65 6c 20 c2 af 62 61   pha channel ..ba
|   3968: 63 6b 75 70 20 61 62 61 6e 64 6f 6e 20 74 65 73   ckup abandon tes
|   3984: 74 20 61 62 61 63 6b 20 63 68 61 6e 6e 65 62 6f   t aback channebo
|   4000: 6f 6d 65 72 20 61 74 6f 6d 20 61 6c 70 68 61 20   omer atom alpha 
|   4016: 61 63 74 69 76 65 09 07 03 00 19 61 74 6f 6d 69   active.....atomi
|   4032: 63 07 06 03 00 15 61 74 6b 6d 0f e0 00 0b 19 62   c.....atkm.....b
|   4048: 6f 6f 6d 65 72 09 04 03 00 19 61 63 74 69 76 65   oomer.....active
|   4064: 00 00 00 0c 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 66 21 66 74 08 01 03 00 17 61 62 61 63 6b   .af!ft.....aback
| page 5 offset 16384
|      0: 0d 0f ee 00 06 0f d6 00 0f fa 0f f4 0f e8 0f e2   ................
|     16: 0f dc 0f d6 0f d0 0f d0 00 00 00 00 00 00 00 00   ................
|   4048: 0f ee 00 06 0e 0a 04 07 03 00 0e 01 04 06 03 00   ................
|   4064: 0e 01 04 05 03 00 0e 1d 04 04 03 00 0e 01 00 00   ................
|   4080: 00 06 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c19b.db
}]} {}

do_catchsql_test 18.1 {
  INSERT INTO t1(t1) VALUES('optimize');
} {1 {database disk image is malformed}}

#--------------------------------------------------------------------------
reset_db
do_test 19.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c20b.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 01 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01   ................
|     96: 00 2e 30 38 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ..08...........m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 0f 20 00 05 0e a0 00 0f e8 0e a0 0f bd 0f 34   .. ............4
|     16: 0e b7 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
|   3744: 15 0a 03 00 30 00 00 00 00 01 03 03 00 03 01 01   ....0...........
|   3760: 01 02 01 01 03 01 01 62 8c 80 80 80 80 01 04 00   .......b........
|   3776: 81 48 00 00 00 55 06 30 61 62 61 63 6b 08 01 04   .H...U.0aback...
|   3792: 04 6e 64 6f 6e 03 01 05 01 02 05 63 74 69 76 65   .ndon......ctive
|   3808: 08 01 02 04 6c 70 68 61 08 01 02 03 74 6f 6d 08   ....lpha....tom.
|   3824: 01 01 06 62 61 63 6b 75 70 08 01 02 05 6f 6f 6d   ...backup....oom
|   3840: 65 72 08 01 01 07 63 68 61 6e 6e 65 6c 08 01 01   er....channel...
|   3856: 04 74 65 73 74 08 01 04 09 0a 09 08 07 0a 09 0b   .test...........
|   3872: 0f ef 00 14 2a 00 00 00 00 01 02 02 00 02 01 01   ....*...........
|   3888: 01 02 01 01 81 01 88 80 80 80 80 01 04 00 82 06   ................
|   3904: 00 00 00 72 06 30 61 62 61 63 6b 08 02 07 04 04   ...r.0aback.....
|   3920: 6e 64 6f 6e 08 02 05 02 05 63 74 69 76 65 04 02   ndon.....ctive..
|   3936: 02 04 02 0b 02 04 6c 70 68 61 08 04 02 0a 02 03   ......lpha......
|   3952: 74 6f 6d 06 02 02 02 02 09 05 02 69 63 07 02 02   tom........ic...
|   3968: 01 06 62 61 63 6b 75 70 08 02 04 02 05 6f 6f 66   ..backup.....oof
|   3984: 65 72 05 02 02 04 03 6d 65 72 08 02 08 01 07 63   er.....mer.....c
|   4000: 68 61 6e 6e 65 6c 08 02 03 01 04 74 65 73 74 08   hannel.....test.
|   4016: 02 06 04 0a 09 0d 0a 0b 07 0b 0a 08 0c 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 66 04 00 22 74 00 02 22 04 04 6e 64   ck..f...t.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 06 06 00   on..............
|   4080: 00 00 11 24 00 00 00 00 01 01 01 00 01 01 01 01   ...$............
| page 3 offset 8192
|      0: 0a 00 00 00 03 0f ec 00 0f fa 0f f3 0f ec 00 00   ................
|   4064: 00 00 00 00 00 00 00 00 00 00 00 00 06 04 01 0c   ................
|   4080: 01 03 02 06 04 01 0c 01 02 02 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 0f e0 00 06 0f b6 00 0f f6 0f ec 0f d5 0f ca   ................
|     16: 0f c1 0f b6 0f 70 0f 70 00 00 00 00 00 00 00 00   .....p.p........
|   3952: 0f e0 00 46 81 0d 61 6c 70 68 61 20 63 68 61 6e   ...F..alpha chan
|   3968: 6e 65 6c 20 62 61 63 6b 75 70 20 61 62 61 6e 64   nel backup aband
|   3984: 6f 6e 20 74 65 73 74 20 61 62 61 63 6b 20 62 6f   on test aback bo
|   4000: 6f 6d 65 72 20 61 74 6f 6d 20 61 6c 70 68 61 20   omer atom alpha 
|   4016: 61 63 74 69 76 65 09 07 03 00 19 61 74 6f 6d 69   active.....atomi
|   4032: 63 07 06 03 00 15 61 74 6f 6d 09 05 03 00 19 62   c.....atom.....b
|   4048: 6f 6f 66 65 72 09 04 03 00 19 61 63 74 69 76 65   oofer.....active
|   4064: 00 00 00 0c 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 0f ee 00 06 0f d6 00 0f fa 0f f4 0f e8 0f e2   ................
|     16: 0f dc 0f d6 0f d0 0f d0 00 00 00 00 00 00 00 00   ................
|   4048: 0f ee 00 06 0e 0a 04 07 03 00 0e 01 04 06 03 00   ................
|   4064: 0e 01 04 05 03 00 0e 01 04 04 03 00 0e 01 00 00   ................
|   4080: 00 06 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 86 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   .eck....optimize
| end c20b.db
}]} {}

do_catchsql_test 19.1 {
  INSERT INTO t1(t1) VALUES('optimize');
} {1 {database disk image is malformed}}

#--------------------------------------------------------------------------
reset_db
do_test 20.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename crash-cf347c523f793c.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 07 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     96: 00 00 00 00 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ...............m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 00 00 00 03 0f bd 00 0f e8 0f ef 0f bd 00 00   ................
|   4016: 00 00 00 00 00 00 00 00 00 00 00 00 00 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 02 04 02 66 74 02 02 02 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 04 0a 07 05 01 03 00 10 03 03 0f   on..............
|   4080: 0a 03 00 24 00 00 00 0e ee ee ee ee ee ee ee ee   ...$............
| page 3 offset 8192
|      0: ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee   ................
|     16: ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee   ................
|     32: ee ee ee ee ee ee ee ee ee ee ee ee 00 10 10 10   ................
|     48: 00 10 10 10 10 a0 00 00 00 10 ff a0 00 ff 00 00   ................
|   4080: 00 00 00 00 00 00 00 00 00 00 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 00 00 00 03 0f e0 00 0f f6 0f ec 0f e0 00 00   ................
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 03 0f ee 00 0f fa 0f f4 0f ee 00 00   ................
|   4064: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 03   ................
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end crash-cf347c523f793c.db
}]} {}

do_catchsql_test 20.1 {
  SELECT * FROM t1 WHERE t1 MATCH 'abandon';
} {1 {vtable constructor failed: t1}}

#-------------------------------------------------------------------------
reset_db
do_test 21.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c22b.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 01 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01   ................
|     96: 00 2e 30 38 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ..08...........m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 61 62 6c 65 74 31 5f 64   ..!!...tablet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
|   3712: 31 5f 64 6f 63 73 69 7a 65 27 28 69 64 20 49 4e   1_docsize'(id IN
|   3728: 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b 45   TEGER PRIMARY KE
|   3744: 59 2c 20 73 7a 20 42 4c 4f 42 29 55 04 06 17 21   Y, sz BLOB)U...!
|   3760: 21 01 77 74 61 62 6c 65 74 31 5f 63 6f 6e 74 65   !.wtablet1_conte
|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
|   3808: 6e 74 65 6e 74 27 28 69 64 20 49 4e 54 45 47 45   ntent'(id INTEGE
|   3824: 52 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 63   R PRIMARY KEY, c
|   3840: 30 29 69 03 07 17 19 19 01 81 2d 74 61 62 6c 65   0)i.......-table
|   3856: 74 31 5f 69 64 78 74 31 5f 69 64 78 03 43 52 45   t1_idxt1_idx.CRE
|   3872: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 69 64   ATE TABLE 't1_id
|   3888: 78 27 28 73 65 67 69 64 2c 20 74 65 72 6d 2c 20   x'(segid, term, 
|   3904: 70 67 6e 6f 2c 20 50 52 49 4d 41 52 59 20 4b 45   pgno, PRIMARY KE
|   3920: 59 28 73 65 67 69 64 2c 20 74 65 72 6d 29 29 20   Y(segid, term)) 
|   3936: 57 49 54 48 4f 55 54 20 52 4f 57 49 44 55 02 07   WITHOUT ROWIDU..
|   3952: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 64 61   ......tablet1_da
|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
|   3984: 20 54 41 42 4c 45 20 27 74 31 5f 64 61 74 61 27    TABLE 't1_data'
|   4000: 28 69 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d   (id INTEGER PRIM
|   4016: 41 52 59 20 4b 45 59 2c 20 62 6c 6f 63 6b 20 42   ARY KEY, block B
|   4032: 4c 4f 42 29 3a 01 06 17 11 11 08 63 74 61 62 6c   LOB):......ctabl
|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
|   4064: 55 41 4c 20 54 41 42 4c 45 20 74 31 20 55 53 49   UAL TABLE t1 USI
|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
| page 2 offset 4096
|      0: 0d 0e 8e 00 06 0e 2f 00 0f e8 0e 2f 0f bd 0f 3b   ....../..../...;
|     16: 0e a5 0e 49 00 00 00 00 00 00 00 00 00 00 00 00   ...I............
|   3616: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 18   ................
|   3632: 0a 03 00 36 00 00 00 00 01 04 04 00 04 01 01 01   ...6............
|   3648: 02 01 01 03 01 01 04 01 01 3e 90 80 80 80 80 01   .........>......
|   3664: 04 00 81 00 00 00 00 36 06 30 62 61 63 6b 75 05   .......6.0backu.
|   3680: 02 04 05 02 04 02 05 65 61 6d 65 72 05 02 02 05   .......eamer....
|   3696: 02 02 02 05 6f 6f 6d 65 72 05 01 05 01 02 05 75   ....oomer......u
|   3712: 6d 6d 65 72 05 02 03 05 02 03 04 0d 0d 0b 0f 27   mmer...........'
|   3728: 00 17 30 00 00 00 00 01 03 03 00 03 01 01 01 02   ..0.............
|   3744: 01 01 03 01 01 7b 8c 80 80 80 80 01 04 00 81 7a   ...............z
|   3760: 00 00 00 6d 06 30 61 62 61 63 6b 0d 02 07 04 04   ...m.0aback.....
|   3776: 6e 64 6f 6e 0d 02 05 02 05 63 74 69 76 65 09 02   ndon.....ctive..
|   3792: 02 04 02 0b 02 04 6c 70 68 61 0d 04 02 0a 02 03   ......lpha......
|   3808: 74 6f 6d 0b 02 02 02 02 09 05 02 69 63 0c 02 02   tom........ic...
|   3824: 01 06 62 61 63 6b 75 70 0d 02 04 02 05 6f 6f 6d   ..backup.....oom
|   3840: 65 72 0a 02 02 03 02 08 01 07 63 68 61 6e 6e 65   er........channe
|   3856: 6c 0d 02 03 01 04 74 65 73 74 0d 02 06 04 0a 09   l.....test......
|   3872: 0d 0a 0b 07 0b 0d 0c 0f ef 00 14 2a 00 00 00 00   ...........*....
|   3888: 01 02 02 00 02 01 01 01 02 01 01 7b 88 80 80 80   ................
|   3904: 80 01 04 00 81 7a 00 00 00 6d 06 30 61 62 61 63   .....z...m.0abac
|   3920: 6b 08 02 07 04 04 6e 64 6f 6e 08 02 05 02 05 63   k.....ndon.....c
|   3936: 74 69 76 65 04 02 02 04 02 0b 02 04 6c 70 68 61   tive........lpha
|   3952: 08 04 02 0a 02 03 74 6f 6d 06 02 02 02 02 09 05   ......tom.......
|   3968: 02 69 63 07 02 02 01 06 62 61 63 6b 75 70 08 02   .ic.....backup..
|   3984: 04 02 05 6f 6f 6d 65 72 05 02 02 03 02 08 01 07   ...oomer........
|   4000: 63 68 61 6e 6e 65 6c 08 02 03 01 04 74 65 73 74   channel.....test
|   4016: 08 02 06 04 0a 09 0d 0a 0b 07 0b 0d 0c 24 84 80   .............$..
|   4032: 80 80 80 01 03 00 4e 00 00 00 1e 06 30 61 62 61   ......N.....0aba
|   4048: 63 6b 01 02 02 04 02 66 74 00 02 22 04 04 6e 64   ck.....ft.....nd
|   4064: 6f 6e 03 02 02 08 0a 07 05 01 03 00 10 0d 23 00   on............#.
|   4080: 00 00 11 24 00 00 00 00 01 01 01 00 01 01 01 01   ...$............
| page 3 offset 8192
|      0: 0a 00 00 00 04 0f e5 00 0f fa 0f f3 0f ec 0f e5   ................
|   4064: 00 00 00 00 00 06 04 01 0c 01 04 02 06 04 01 0c   ................
|   4080: 01 03 02 06 04 01 0c 01 02 02 05 04 09 0c 01 02   ................
| page 4 offset 12288
|      0: 0d 0f 5a 00 0d 0e ce 00 0f f6 0f ec 0f e0 0f d5   ..Z.............
|     16: 0e e7 0f c1 0f b6 0f 70 0f 65 0e ce 0f 51 0f 46   .......p.e...Q.F
|     32: 0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
|   3776: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 17 0a   ................
|   3792: 03 00 35 62 65 61 6d 65 72 20 62 75 6d 6d 65 72   ..5beamer bummer
|   3808: 20 62 61 63 6b 75 29 17 05 03 00 35 62 65 61 6d    backu)....5beam
|   3824: 65 72 20 62 75 6d 6d 65 72 20 62 61 63 6b 75 29   er bummer backu)
|   3840: 44 0d 04 00 81 0d 61 6c 70 68 61 20 63 68 61 6e   D.....alpha chan
|   3856: 6e 65 6c 20 62 61 63 6b 75 70 20 61 62 61 6e 64   nel backup aband
|   3872: 6f 6e 20 74 65 73 74 20 61 62 61 63 6b 20 62 6f   on test aback bo
|   3888: 6f 6d 65 72 20 61 74 6f 6d 20 61 6c 70 68 61 20   omer atom alpha 
|   3904: 61 63 74 69 76 65 09 0c 03 00 19 61 74 6f 6d 69   active.....atomi
|   3920: 63 07 0b 03 00 15 61 74 6f 6d 0f ca 00 0b 19 62   c.....atom.....b
|   3936: 6f 6f 6d 65 72 09 09 03 00 19 61 63 74 69 76 65   oomer.....active
|   3952: 44 08 04 00 81 0d 61 6c 70 68 61 20 63 68 61 6e   D.....alpha chan
|   3968: 6e 65 6c 20 62 61 63 6b 75 70 20 61 62 61 6e 64   nel backup aband
|   3984: 6f 6e 20 74 65 73 74 20 61 62 61 63 6b 20 62 6f   on test aback bo
|   4000: 6f 6d 65 72 20 61 74 6f 6d 20 61 6c 70 68 61 20   omer atom alpha 
|   4016: 61 63 74 69 76 65 09 07 03 00 19 61 74 6f 6d 69   active.....atomi
|   4032: 63 07 06 03 00 15 61 74 6f 6d 00 00 00 0b 19 62   c.....atom.....b
|   4048: 6f 6f 6d 65 72 09 04 03 00 19 61 63 74 69 76 65   oomer.....active
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 0d 0f b2 00 0f fa 0f f4 0f ee 0f e8   ................
|     16: 0f e2 0f dc 0f d6 0f d0 0f ca 0f c4 0f be 0f b8   ................
|     32: 0f b2 00 00 00 00 00 00 00 00 00 00 00 00 00 00   ................
|   4016: 00 00 04 0d 03 00 0e 0a 04 0c 03 00 0e 01 04 0b   ................
|   4032: 03 00 0e 01 04 0a 03 00 0e 03 04 09 03 00 0e 01   ................
|   4048: 04 08 03 00 0e 0a 04 07 03 00 0e 01 04 06 03 00   ................
|   4064: 0e 01 04 05 03 00 0e 03 04 04 03 00 0e 01 04 03   ................
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c22b.db
}]} {}

do_catchsql_test 21.1 {
  DELETE FROM t1 WHERE t1 MATCH 'ab*ndon';
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------
#
reset_db
do_test 22.0 {
  sqlite3 db {}
  db deserialize [decode_hexdb {
| size 28672 pagesize 4096 filename c22b.db
| page 1 offset 0
|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
|     16: 10 00 01 01 00 40 20 20 00 00 00 02 00 00 00 07   .....@  ........
|     32: 00 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00   ................
|     48: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 00   ................
|     80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02   ................
|     96: 00 2e 30 38 0d 00 00 00 07 0d d2 00 0f c4 0f 6d   ..08...........m
|    112: 0f 02 0e ab 0e 4e 0d f6 0d d2 00 00 00 00 00 00   .....N..........
|   3536: 00 00 22 07 06 17 11 11 01 31 74 61 62 6c 65 74   .........1tablet
|   3552: 32 74 32 07 43 52 45 41 54 45 20 54 41 42 4c 45   2t2.CREATE TABLE
|   3568: 20 74 32 28 78 29 56 06 06 17 1f 1f 01 7d 74 61    t2(x)V.......ta
|   3584: 62 6c 65 74 31 5f 63 6f 6e 66 69 67 74 31 5f 63   blet1_configt1_c
|   3600: 6f 6e 66 69 67 06 43 52 45 41 54 45 20 54 41 42   onfig.CREATE TAB
|   3616: 4c 45 20 27 74 31 5f 63 6f 6e 66 69 67 27 28 6b   LE 't1_config'(k
|   3632: 20 50 52 49 4d 41 52 59 20 4b 45 59 2c 20 76 29    PRIMARY KEY, v)
|   3648: 20 57 49 54 48 4f 55 54 20 52 4f 57 49 44 5b 05    WITHOUT ROWID[.
|   3664: 07 17 21 21 01 81 01 74 41 62 6c 65 74 31 5f 64   ..!!...tAblet1_d
|   3680: 6f 63 73 69 7a 65 74 31 5f 64 6f 63 73 69 7a 65   ocsizet1_docsize
|   3696: 05 43 52 45 41 54 45 20 54 41 42 4c 45 20 27 74   .CREATE TABLE 't
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|   3776: 6e 74 74 31 5f 63 6f 6e 74 65 6e 74 04 43 52 45   ntt1_content.CRE
|   3792: 41 54 45 20 54 41 42 4c 45 20 27 74 31 5f 63 6f   ATE TABLE 't1_co
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|   3968: 74 61 74 31 5f 64 61 74 61 02 43 52 45 41 54 45   tat1_data.CREATE
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|   4048: 65 74 31 74 31 43 52 45 41 54 45 20 56 49 52 54   et1t1CREATE VIRT
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|   4080: 4e 47 20 66 74 73 35 28 63 6f 6e 74 65 6e 74 29   NG fts5(content)
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|   3440: 31 35 34 34 35 32 30 35 36 34 39 35 32 35 34 37   1544520564952547
|   3456: 35 34 31 34 63 32 30 35 34 34 31 34 32 34 63 34   5414c205441424c4
|   3472: 35 32 30 37 34 33 31 32 30 35 35 35 33 34 39 34   5207431205553494
|   3488: 65 34 37 32 30 36 36 37 34 37 3b 33 35 32 38 36   e472066747;35286
|   3504: 33 36 66 0a 36 65 37 34 36 35 36 65 37 34 32 39   36f.6e74656e7429
|   3520: 30 64 30 30 30 30 30 30 30 33 30 66 62 64 30 30   0d000000030fbd00
|   3536: 30 66 65 38 30 66 65 66 30 66 62 64 0a 5b 31 66   0fe80fef0fbd.[1f
|   3552: 62 64 5d 32 34 38 34 38 30 38 30 38 30 38 30 30   bd]2484808080800
|   3568: 31 30 33 30 30 34 65 30 30 30 30 30 30 31 65 30   103004e0000001e0
|   3584: 36 33 30 36 31 36 32 36 31 36 33 36 62 30 31 30   630616261636b010
|   3600: 32 30 32 30 34 30 32 36 36 37 34 30 32 30 32 30   2020402667402020
|   3616: 32 30 34 30 34 36 65 0a 36 34 36 66 36 65 30 33   204046e.646f6e03
|   3632: 30 32 30 32 30 34 30 61 30 37 30 35 30 31 30 33   0202040a07050103
|   3648: 30 30 31 30 30 33 30 33 30 66 30 61 30 33 30 30   001003030f0a0300
|   3664: 32 34 30 30 30 30 30 30 30 30 30 31 30 31 30 31   2400000000010101
|   3680: 30 30 30 31 30 31 30 31 30 31 30 61 30 30 30 30   00010101010a0000
|   3696: 30 30 0a 30 31 30 66 66 61 30 30 30 66 66 61 0a   00.010ffa000ffa.
|   3712: 5b 32 66 29 61 5d 30 35 30 34 30 39 30 63 30 31   [2f)a]0504090c01
|   3728: 30 32 30 64 30 30 30 30 30 30 30 33 30 66 65 30   020d000000030fe0
|   3744: 30 30 30 66 66 36 30 66 65 63 30 66 65 30 0a 5b   000ff60fec0fe0.[
|   3760: 33 66 65 30 5d 30 61 30 33 30 33 30 30 31 62 36   3fe0]0a0303001b6
|   3776: 31 36 32 36 31 36 65 36 34 36 66 36 65 30 38 30   162616e646f6e080
|   3792: 32 30 33 30 30 31 37 36 31 36 32 36 31 36 36 37   2030017616261667
|   3808: 34 30 38 30 31 30 33 30 33 36 62 30 31 30 32 30   4080103036b01020
|   3824: 32 30 34 30 32 36 36 37 34 30 32 30 32 30 32 30   2040266740202020
|   3840: 34 30 34 36 65 0a 36 34 36 66 36 65 30 33 30 32   4046e.646f6e0302
|   3856: 30 32 30 34 30 61 30 37 30 35 30 31 30 33 30 30   02040a0705010300
|   3872: 31 30 30 33 30 33 30 66 30 61 30 33 30 30 32 34   1003030f0a030024
|   3888: 30 30 30 30 30 30 30 30 30 31 30 31 30 31 30 30   0000000001010100
|   3904: 30 31 30 31 30 31 30 30 39 61 30 30 30 30 30 30   010101009a000000
|   3920: 0a 30 31 30 66 66 61 30 30 30 66 66 61 0a 5b 32   .010ffa000ffa.[2
|   3936: 66 65 72 20 62 61 63 6b 75 70 4a 08 04 00 81 19   fer backupJ.....
|   3952: 61 6c 70 68 61 20 63 68 61 6e 6e 65 6c 20 62 61   alpha channel ba
|   3968: 63 6b 75 70 20 61 62 61 6e 64 6f 6e 20 74 65 62   ckup abandon teb
|   3984: 20 73 74 61 61 63 6b 20 63 68 61 6e 6e 65 62 6f    staack channebo
|   4000: 6f 6d 65 72 20 61 74 6f 6d 20 61 6c 70 68 61 20   omer atom alpha 
|   4016: 61 63 74 69 76 65 09 07 03 00 19 61 74 6f 6d 69   active.....atomi
|   4032: 63 07 06 03 00 15 61 74 6b 6d 00 00 00 0b 19 62   c.....atkm.....b
|   4048: 6f 6f 6d 65 72 09 04 03 00 19 61 63 74 69 76 65   oomer.....active
|   4064: 0a 03 03 00 1b 61 62 61 6e 64 6f 6e 08 02 03 00   .....abandon....
|   4080: 17 61 62 61 66 74 08 01 03 00 17 61 62 61 63 6b   .abaft.....aback
| page 5 offset 16384
|      0: 0d 00 00 00 08 0f d0 00 0f fa 0f f4 0f ee 0f e8   ................
|     16: 0f e2 0f dc 0f d6 0f d0 00 00 00 00 00 00 00 00   ................
|   4048: 04 08 03 00 0e 0a 04 07 03 00 0e 01 04 06 03 00   ................
|   4064: 0e 01 04 05 03 00 0e 31 04 04 03 00 0e 01 04 03   .......1........
|   4080: 03 00 0e 01 04 02 03 00 0e 01 04 01 03 00 0e 01   ................
| page 6 offset 20480
|      0: 0a 00 00 00 01 0f f4 00 0f f4 00 00 00 00 00 00   ................
|   4080: 00 00 00 00 0b 03 1b 01 76 65 72 73 69 6f 6e 04   ........version.
| page 7 offset 24576
|      0: 0d 00 00 00 03 0f d6 00 0f f4 0f e1 0f d6 00 00   ................
|   4048: 00 00 00 00 00 00 09 03 02 1b 72 65 62 75 69 6c   ..........rebuil
|   4064: 64 11 02 02 2b 69 6e 74 65 67 72 69 74 79 2d 63   d...+integrity-c
|   4080: 68 65 63 6b 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   heck....optimize
| end c22b.db
}]} {}


do_catchsql_test 22.1 {
  INSERT INTO t1(t1) VALUES('optimize');
} {1 {vtable constructor failed: t1}}

sqlite3_fts5_may_be_corrupt 0
finish_test

Changes to ext/fts5/test/fts5unicode3.test.
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# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

proc fts3_unicode_path {file} {
  file join [file dirname [info script]] .. .. fts3 unicode $file
}

source [fts3_unicode_path parseunicode.tcl]
set testprefix fts5unicode3

set CF [fts3_unicode_path CaseFolding.txt]
set UD [fts3_unicode_path UnicodeData.txt]







|







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# If SQLITE_ENABLE_FTS5 is defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

proc fts3_unicode_path {file} {
  file join .. [file dirname [info script]] .. .. fts3 unicode $file
}

source [fts3_unicode_path parseunicode.tcl]
set testprefix fts5unicode3

set CF [fts3_unicode_path CaseFolding.txt]
set UD [fts3_unicode_path UnicodeData.txt]
Changes to src/analyze.c.
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    */
    addrRewind = sqlite3VdbeAddOp1(v, OP_Rewind, iIdxCur);
    VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_Integer, 0, regChng);
    addrNextRow = sqlite3VdbeCurrentAddr(v);

    if( nColTest>0 ){
      int endDistinctTest = sqlite3VdbeMakeLabel(v);
      int *aGotoChng;               /* Array of jump instruction addresses */
      aGotoChng = sqlite3DbMallocRawNN(db, sizeof(int)*nColTest);
      if( aGotoChng==0 ) continue;

      /*
      **  next_row:
      **   regChng = 0







|







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    */
    addrRewind = sqlite3VdbeAddOp1(v, OP_Rewind, iIdxCur);
    VdbeCoverage(v);
    sqlite3VdbeAddOp2(v, OP_Integer, 0, regChng);
    addrNextRow = sqlite3VdbeCurrentAddr(v);

    if( nColTest>0 ){
      int endDistinctTest = sqlite3VdbeMakeLabel(pParse);
      int *aGotoChng;               /* Array of jump instruction addresses */
      aGotoChng = sqlite3DbMallocRawNN(db, sizeof(int)*nColTest);
      if( aGotoChng==0 ) continue;

      /*
      **  next_row:
      **   regChng = 0
Changes to src/btree.c.
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      }while( ALWAYS(pPrev) );
    }
    btreeReleaseAllCursorPages(pCur);
    unlockBtreeIfUnused(pBt);
    sqlite3_free(pCur->aOverflow);
    sqlite3_free(pCur->pKey);
    sqlite3BtreeLeave(pBtree);

  }
  return SQLITE_OK;
}

/*
** Make sure the BtCursor* given in the argument has a valid
** BtCursor.info structure.  If it is not already valid, call







>







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      }while( ALWAYS(pPrev) );
    }
    btreeReleaseAllCursorPages(pCur);
    unlockBtreeIfUnused(pBt);
    sqlite3_free(pCur->aOverflow);
    sqlite3_free(pCur->pKey);
    sqlite3BtreeLeave(pBtree);
    pCur->pBtree = 0;
  }
  return SQLITE_OK;
}

/*
** Make sure the BtCursor* given in the argument has a valid
** BtCursor.info structure.  If it is not already valid, call
Changes to src/build.c.
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  }

  /* Remove the table entry from SQLite's internal schema and modify
  ** the schema cookie.
  */
  if( IsVirtual(pTab) ){
    sqlite3VdbeAddOp4(v, OP_VDestroy, iDb, 0, 0, pTab->zName, 0);

  }
  sqlite3VdbeAddOp4(v, OP_DropTable, iDb, 0, 0, pTab->zName, 0);
  sqlite3ChangeCookie(pParse, iDb);
  sqliteViewResetAll(db, iDb);
}

/*







>







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  }

  /* Remove the table entry from SQLite's internal schema and modify
  ** the schema cookie.
  */
  if( IsVirtual(pTab) ){
    sqlite3VdbeAddOp4(v, OP_VDestroy, iDb, 0, 0, pTab->zName, 0);
    sqlite3MayAbort(pParse);
  }
  sqlite3VdbeAddOp4(v, OP_DropTable, iDb, 0, 0, pTab->zName, 0);
  sqlite3ChangeCookie(pParse, iDb);
  sqliteViewResetAll(db, iDb);
}

/*
Changes to src/delete.c.
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        sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey);
      }
    }
  
    /* If this DELETE cannot use the ONEPASS strategy, this is the 
    ** end of the WHERE loop */
    if( eOnePass!=ONEPASS_OFF ){
      addrBypass = sqlite3VdbeMakeLabel(v);
    }else{
      sqlite3WhereEnd(pWInfo);
    }
  
    /* Unless this is a view, open cursors for the table we are 
    ** deleting from and all its indices. If this is a view, then the
    ** only effect this statement has is to fire the INSTEAD OF 







|







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        sqlite3VdbeAddOp2(v, OP_RowSetAdd, iRowSet, iKey);
      }
    }
  
    /* If this DELETE cannot use the ONEPASS strategy, this is the 
    ** end of the WHERE loop */
    if( eOnePass!=ONEPASS_OFF ){
      addrBypass = sqlite3VdbeMakeLabel(pParse);
    }else{
      sqlite3WhereEnd(pWInfo);
    }
  
    /* Unless this is a view, open cursors for the table we are 
    ** deleting from and all its indices. If this is a view, then the
    ** only effect this statement has is to fire the INSTEAD OF 
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  assert( v );
  VdbeModuleComment((v, "BEGIN: GenRowDel(%d,%d,%d,%d)",
                         iDataCur, iIdxCur, iPk, (int)nPk));

  /* Seek cursor iCur to the row to delete. If this row no longer exists 
  ** (this can happen if a trigger program has already deleted it), do
  ** not attempt to delete it or fire any DELETE triggers.  */
  iLabel = sqlite3VdbeMakeLabel(v);
  opSeek = HasRowid(pTab) ? OP_NotExists : OP_NotFound;
  if( eMode==ONEPASS_OFF ){
    sqlite3VdbeAddOp4Int(v, opSeek, iDataCur, iLabel, iPk, nPk);
    VdbeCoverageIf(v, opSeek==OP_NotExists);
    VdbeCoverageIf(v, opSeek==OP_NotFound);
  }
 







|







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  assert( v );
  VdbeModuleComment((v, "BEGIN: GenRowDel(%d,%d,%d,%d)",
                         iDataCur, iIdxCur, iPk, (int)nPk));

  /* Seek cursor iCur to the row to delete. If this row no longer exists 
  ** (this can happen if a trigger program has already deleted it), do
  ** not attempt to delete it or fire any DELETE triggers.  */
  iLabel = sqlite3VdbeMakeLabel(pParse);
  opSeek = HasRowid(pTab) ? OP_NotExists : OP_NotFound;
  if( eMode==ONEPASS_OFF ){
    sqlite3VdbeAddOp4Int(v, opSeek, iDataCur, iLabel, iPk, nPk);
    VdbeCoverageIf(v, opSeek==OP_NotExists);
    VdbeCoverageIf(v, opSeek==OP_NotFound);
  }
 
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  Vdbe *v = pParse->pVdbe;
  int j;
  int regBase;
  int nCol;

  if( piPartIdxLabel ){
    if( pIdx->pPartIdxWhere ){
      *piPartIdxLabel = sqlite3VdbeMakeLabel(v);
      pParse->iSelfTab = iDataCur + 1;
      sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, 
                            SQLITE_JUMPIFNULL);
      pParse->iSelfTab = 0;
    }else{
      *piPartIdxLabel = 0;
    }







|







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  Vdbe *v = pParse->pVdbe;
  int j;
  int regBase;
  int nCol;

  if( piPartIdxLabel ){
    if( pIdx->pPartIdxWhere ){
      *piPartIdxLabel = sqlite3VdbeMakeLabel(pParse);
      pParse->iSelfTab = iDataCur + 1;
      sqlite3ExprIfFalseDup(pParse, pIdx->pPartIdxWhere, *piPartIdxLabel, 
                            SQLITE_JUMPIFNULL);
      pParse->iSelfTab = 0;
    }else{
      *piPartIdxLabel = 0;
    }
Changes to src/expr.c.
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  Expr *pLeft = pExpr->pLeft;
  Expr *pRight = pExpr->pRight;
  int nLeft = sqlite3ExprVectorSize(pLeft);
  int i;
  int regLeft = 0;
  int regRight = 0;
  u8 opx = op;
  int addrDone = sqlite3VdbeMakeLabel(v);

  if( nLeft!=sqlite3ExprVectorSize(pRight) ){
    sqlite3ErrorMsg(pParse, "row value misused");
    return;
  }
  assert( pExpr->op==TK_EQ || pExpr->op==TK_NE 
       || pExpr->op==TK_IS || pExpr->op==TK_ISNOT 







|







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  Expr *pLeft = pExpr->pLeft;
  Expr *pRight = pExpr->pRight;
  int nLeft = sqlite3ExprVectorSize(pLeft);
  int i;
  int regLeft = 0;
  int regRight = 0;
  u8 opx = op;
  int addrDone = sqlite3VdbeMakeLabel(pParse);

  if( nLeft!=sqlite3ExprVectorSize(pRight) ){
    sqlite3ErrorMsg(pParse, "row value misused");
    return;
  }
  assert( pExpr->op==TK_EQ || pExpr->op==TK_NE 
       || pExpr->op==TK_IS || pExpr->op==TK_ISNOT 
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*/
#ifndef SQLITE_OMIT_SUBQUERY
int sqlite3FindInIndex(
  Parse *pParse,             /* Parsing context */
  Expr *pX,                  /* The right-hand side (RHS) of the IN operator */
  u32 inFlags,               /* IN_INDEX_LOOP, _MEMBERSHIP, and/or _NOOP_OK */
  int *prRhsHasNull,         /* Register holding NULL status.  See notes */
  int *aiMap                 /* Mapping from Index fields to RHS fields */

){
  Select *p;                            /* SELECT to the right of IN operator */
  int eType = 0;                        /* Type of RHS table. IN_INDEX_* */
  int iTab = pParse->nTab++;            /* Cursor of the RHS table */
  int mustBeUnique;                     /* True if RHS must be unique */
  Vdbe *v = sqlite3GetVdbe(pParse);     /* Virtual machine being coded */








|
>







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*/
#ifndef SQLITE_OMIT_SUBQUERY
int sqlite3FindInIndex(
  Parse *pParse,             /* Parsing context */
  Expr *pX,                  /* The right-hand side (RHS) of the IN operator */
  u32 inFlags,               /* IN_INDEX_LOOP, _MEMBERSHIP, and/or _NOOP_OK */
  int *prRhsHasNull,         /* Register holding NULL status.  See notes */
  int *aiMap,                /* Mapping from Index fields to RHS fields */
  int *piTab                 /* OUT: index to use */
){
  Select *p;                            /* SELECT to the right of IN operator */
  int eType = 0;                        /* Type of RHS table. IN_INDEX_* */
  int iTab = pParse->nTab++;            /* Cursor of the RHS table */
  int mustBeUnique;                     /* True if RHS must be unique */
  Vdbe *v = sqlite3GetVdbe(pParse);     /* Virtual machine being coded */

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      if( pX->pLeft->iColumn<0 && !ExprHasProperty(pX, EP_xIsSelect) ){
        eType = IN_INDEX_ROWID;
      }
    }else if( prRhsHasNull ){
      *prRhsHasNull = rMayHaveNull = ++pParse->nMem;
    }
    assert( pX->op==TK_IN );
    sqlite3CodeRhsOfIN(pParse, pX, eType==IN_INDEX_ROWID);
    if( rMayHaveNull ){
      sqlite3SetHasNullFlag(v, pX->iTable, rMayHaveNull);
    }
    pParse->nQueryLoop = savedNQueryLoop;
  }else{
    pX->iTable = iTab;
  }

  if( aiMap && eType!=IN_INDEX_INDEX_ASC && eType!=IN_INDEX_INDEX_DESC ){
    int i, n;
    n = sqlite3ExprVectorSize(pX->pLeft);
    for(i=0; i<n; i++) aiMap[i] = i;
  }

  return eType;
}
#endif

#ifndef SQLITE_OMIT_SUBQUERY
/*
** Argument pExpr is an (?, ?...) IN(...) expression. This 







|

|


<
<







>







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      if( pX->pLeft->iColumn<0 && !ExprHasProperty(pX, EP_xIsSelect) ){
        eType = IN_INDEX_ROWID;
      }
    }else if( prRhsHasNull ){
      *prRhsHasNull = rMayHaveNull = ++pParse->nMem;
    }
    assert( pX->op==TK_IN );
    sqlite3CodeRhsOfIN(pParse, pX, iTab, eType==IN_INDEX_ROWID);
    if( rMayHaveNull ){
      sqlite3SetHasNullFlag(v, iTab, rMayHaveNull);
    }
    pParse->nQueryLoop = savedNQueryLoop;


  }

  if( aiMap && eType!=IN_INDEX_INDEX_ASC && eType!=IN_INDEX_INDEX_DESC ){
    int i, n;
    n = sqlite3ExprVectorSize(pX->pLeft);
    for(i=0; i<n; i++) aiMap[i] = i;
  }
  *piTab = iTab;
  return eType;
}
#endif

#ifndef SQLITE_OMIT_SUBQUERY
/*
** Argument pExpr is an (?, ?...) IN(...) expression. This 
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** Generate code that will construct an ephemeral table containing all terms
** in the RHS of an IN operator.  The IN operator can be in either of two
** forms:
**
**     x IN (4,5,11)              -- IN operator with list on right-hand side
**     x IN (SELECT a FROM b)     -- IN operator with subquery on the right
**
** The pExpr parameter is the IN operator.




**
** If parameter isRowid is non-zero, then LHS of the IN operator is guaranteed
** to be a non-null integer. In this case, the ephemeral table can be an
** table B-Tree that keyed by only integers.  The more general cases uses
** an index B-Tree which can have arbitrary keys, but is slower to both
** read and write.
**
** If the LHS expression ("x" in the examples) is a column value, or
** the SELECT statement returns a column value, then the affinity of that
** column is used to build the index keys. If both 'x' and the
** SELECT... statement are columns, then numeric affinity is used
** if either column has NUMERIC or INTEGER affinity. If neither
** 'x' nor the SELECT... statement are columns, then numeric affinity
** is used.
*/
void sqlite3CodeRhsOfIN(
  Parse *pParse,          /* Parsing context */
  Expr *pExpr,            /* The IN operator */

  int isRowid             /* If true, LHS is a rowid */
){
  int jmpIfDynamic = -1;      /* One-time test address */
  int addr;                   /* Address of OP_OpenEphemeral instruction */
  Expr *pLeft;                /* the LHS of the IN operator */
  KeyInfo *pKeyInfo = 0;      /* Key information */
  int nVal;                   /* Size of vector pLeft */
  Vdbe *v;                    /* The prepared statement under construction */

  v = sqlite3GetVdbe(pParse);
  assert( v!=0 );

  /* The evaluation of the RHS of IN operator must be repeated every time it
  ** is encountered if any of the following is true:
  **
  **    *  The right-hand side is a correlated subquery
  **    *  The right-hand side is an expression list containing variables
  **    *  We are inside a trigger
  **
  ** If all of the above are false, then we can run this code just once
  ** save the results, and reuse the same result on subsequent invocations.
  */
  if( !ExprHasProperty(pExpr, EP_VarSelect) ){





    jmpIfDynamic = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);



















  }

  /* Check to see if this is a vector IN operator */
  pLeft = pExpr->pLeft;
  nVal = sqlite3ExprVectorSize(pLeft);
  assert( !isRowid || nVal==1 );

  /* Construct the ephemeral table that will contain the content of
  ** RHS of the IN operator.
  */
  pExpr->iTable = pParse->nTab++;
  addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, 
      pExpr->iTable, (isRowid?0:nVal));







  pKeyInfo = isRowid ? 0 : sqlite3KeyInfoAlloc(pParse->db, nVal, 1);

  if( ExprHasProperty(pExpr, EP_xIsSelect) ){
    /* Case 1:     expr IN (SELECT ...)
    **
    ** Generate code to write the results of the select into the temporary
    ** table allocated and opened above.
    */
    Select *pSelect = pExpr->x.pSelect;
    ExprList *pEList = pSelect->pEList;

    ExplainQueryPlan((pParse, 1, "%sLIST SUBQUERY",
        jmpIfDynamic>=0?"":"CORRELATED "
    ));
    assert( !isRowid );
    /* If the LHS and RHS of the IN operator do not match, that
    ** error will have been caught long before we reach this point. */
    if( ALWAYS(pEList->nExpr==nVal) ){
      SelectDest dest;
      int i;
      sqlite3SelectDestInit(&dest, SRT_Set, pExpr->iTable);
      dest.zAffSdst = exprINAffinity(pParse, pExpr);
      pSelect->iLimit = 0;
      testcase( pSelect->selFlags & SF_Distinct );
      testcase( pKeyInfo==0 ); /* Caused by OOM in sqlite3KeyInfoAlloc() */
      if( sqlite3Select(pParse, pSelect, &dest) ){
        sqlite3DbFree(pParse->db, dest.zAffSdst);
        sqlite3KeyInfoUnref(pKeyInfo);







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** Generate code that will construct an ephemeral table containing all terms
** in the RHS of an IN operator.  The IN operator can be in either of two
** forms:
**
**     x IN (4,5,11)              -- IN operator with list on right-hand side
**     x IN (SELECT a FROM b)     -- IN operator with subquery on the right
**
** The pExpr parameter is the IN operator.  The cursor number for the
** constructed ephermeral table is returned.  The first time the ephemeral
** table is computed, the cursor number is also stored in pExpr->iTable,
** however the cursor number returned might not be the same, as it might
** have been duplicated using OP_OpenDup.
**
** If parameter isRowid is non-zero, then LHS of the IN operator is guaranteed
** to be a non-null integer. In this case, the ephemeral table can be an
** table B-Tree that keyed by only integers.  The more general cases uses
** an index B-Tree which can have arbitrary keys, but is slower to both
** read and write.
**
** If the LHS expression ("x" in the examples) is a column value, or
** the SELECT statement returns a column value, then the affinity of that
** column is used to build the index keys. If both 'x' and the
** SELECT... statement are columns, then numeric affinity is used
** if either column has NUMERIC or INTEGER affinity. If neither
** 'x' nor the SELECT... statement are columns, then numeric affinity
** is used.
*/
void sqlite3CodeRhsOfIN(
  Parse *pParse,          /* Parsing context */
  Expr *pExpr,            /* The IN operator */
  int iTab,               /* Use this cursor number */
  int isRowid             /* If true, LHS is a rowid */
){
  int addrOnce = 0;           /* Address of the OP_Once instruction at top */
  int addr;                   /* Address of OP_OpenEphemeral instruction */
  Expr *pLeft;                /* the LHS of the IN operator */
  KeyInfo *pKeyInfo = 0;      /* Key information */
  int nVal;                   /* Size of vector pLeft */
  Vdbe *v;                    /* The prepared statement under construction */

  v = pParse->pVdbe;
  assert( v!=0 );

  /* The evaluation of the IN must be repeated every time it
  ** is encountered if any of the following is true:
  **
  **    *  The right-hand side is a correlated subquery
  **    *  The right-hand side is an expression list containing variables
  **    *  We are inside a trigger
  **
  ** If all of the above are false, then we can compute the RHS just once
  ** and reuse it many names.
  */
  if( !ExprHasProperty(pExpr, EP_VarSelect) && pParse->iSelfTab==0 ){
    /* Reuse of the RHS is allowed */
    /* If this routine has already been coded, but the previous code
    ** might not have been invoked yet, so invoke it now as a subroutine. 
    */
    if( ExprHasProperty(pExpr, EP_Subrtn) ){
      addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);
      if( ExprHasProperty(pExpr, EP_xIsSelect) ){
        ExplainQueryPlan((pParse, 0, "REUSE LIST SUBQUERY %d",
              pExpr->x.pSelect->selId));
      }
      sqlite3VdbeAddOp2(v, OP_Gosub, pExpr->y.sub.regReturn,
                        pExpr->y.sub.iAddr);
      sqlite3VdbeAddOp2(v, OP_OpenDup, iTab, pExpr->iTable);
      sqlite3VdbeJumpHere(v, addrOnce);
      return;
    }

    /* Begin coding the subroutine */
    ExprSetProperty(pExpr, EP_Subrtn);
    pExpr->y.sub.regReturn = ++pParse->nMem;
    pExpr->y.sub.iAddr =
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1;
    VdbeComment((v, "return address"));

    addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);
  }

  /* Check to see if this is a vector IN operator */
  pLeft = pExpr->pLeft;
  nVal = sqlite3ExprVectorSize(pLeft);
  assert( !isRowid || nVal==1 );

  /* Construct the ephemeral table that will contain the content of
  ** RHS of the IN operator.
  */
  pExpr->iTable = iTab;
  addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, 
      pExpr->iTable, (isRowid?0:nVal));
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
  if( ExprHasProperty(pExpr, EP_xIsSelect) ){
    VdbeComment((v, "Result of SELECT %u", pExpr->x.pSelect->selId));
  }else{
    VdbeComment((v, "RHS of IN operator"));
  }
#endif
  pKeyInfo = isRowid ? 0 : sqlite3KeyInfoAlloc(pParse->db, nVal, 1);

  if( ExprHasProperty(pExpr, EP_xIsSelect) ){
    /* Case 1:     expr IN (SELECT ...)
    **
    ** Generate code to write the results of the select into the temporary
    ** table allocated and opened above.
    */
    Select *pSelect = pExpr->x.pSelect;
    ExprList *pEList = pSelect->pEList;

    ExplainQueryPlan((pParse, 1, "%sLIST SUBQUERY %d",
        addrOnce?"":"CORRELATED ", pSelect->selId
    ));
    assert( !isRowid );
    /* If the LHS and RHS of the IN operator do not match, that
    ** error will have been caught long before we reach this point. */
    if( ALWAYS(pEList->nExpr==nVal) ){
      SelectDest dest;
      int i;
      sqlite3SelectDestInit(&dest, SRT_Set, iTab);
      dest.zAffSdst = exprINAffinity(pParse, pExpr);
      pSelect->iLimit = 0;
      testcase( pSelect->selFlags & SF_Distinct );
      testcase( pKeyInfo==0 ); /* Caused by OOM in sqlite3KeyInfoAlloc() */
      if( sqlite3Select(pParse, pSelect, &dest) ){
        sqlite3DbFree(pParse->db, dest.zAffSdst);
        sqlite3KeyInfoUnref(pKeyInfo);
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      int iValToIns;

      /* If the expression is not constant then we will need to
      ** disable the test that was generated above that makes sure
      ** this code only executes once.  Because for a non-constant
      ** expression we need to rerun this code each time.
      */
      if( jmpIfDynamic>=0 && !sqlite3ExprIsConstant(pE2) ){
        sqlite3VdbeChangeToNoop(v, jmpIfDynamic);
        jmpIfDynamic = -1;
      }

      /* Evaluate the expression and insert it into the temp table */
      if( isRowid && sqlite3ExprIsInteger(pE2, &iValToIns) ){
        sqlite3VdbeAddOp3(v, OP_InsertInt, pExpr->iTable, r2, iValToIns);
      }else{
        r3 = sqlite3ExprCodeTarget(pParse, pE2, r1);
        if( isRowid ){
          sqlite3VdbeAddOp2(v, OP_MustBeInt, r3,
                            sqlite3VdbeCurrentAddr(v)+2);
          VdbeCoverage(v);
          sqlite3VdbeAddOp3(v, OP_Insert, pExpr->iTable, r2, r3);
        }else{
          sqlite3VdbeAddOp4(v, OP_MakeRecord, r3, 1, r2, &affinity, 1);
          sqlite3VdbeAddOp4Int(v, OP_IdxInsert, pExpr->iTable, r2, r3, 1);
        }
      }
    }
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
  if( pKeyInfo ){
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }
  if( jmpIfDynamic>=0 ){
    sqlite3VdbeJumpHere(v, jmpIfDynamic);



  }
}
#endif /* SQLITE_OMIT_SUBQUERY */

/*
** Generate code for scalar subqueries used as a subquery expression
** or EXISTS operator:
**
**     (SELECT a FROM b)          -- subquery
**     EXISTS (SELECT a FROM b)   -- EXISTS subquery
**
** The pExpr parameter is the SELECT or EXISTS operator to be coded.
**
** The register that holds the result.  For a multi-column SELECT, 
** the result is stored in a contiguous array of registers and the
** return value is the register of the left-most result column.
** Return 0 if an error occurs.
*/
#ifndef SQLITE_OMIT_SUBQUERY
int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
  int jmpIfDynamic = -1;      /* One-time test address */
  int rReg = 0;               /* Register storing resulting */
  Select *pSel;               /* SELECT statement to encode */
  SelectDest dest;            /* How to deal with SELECT result */
  int nReg;                   /* Registers to allocate */
  Expr *pLimit;               /* New limit expression */

  Vdbe *v = sqlite3GetVdbe(pParse);
  assert( v!=0 );






  /* The evaluation of the EXISTS/SELECT must be repeated every time it
  ** is encountered if any of the following is true:
  **
  **    *  The right-hand side is a correlated subquery
  **    *  The right-hand side is an expression list containing variables
  **    *  We are inside a trigger
  **
  ** If all of the above are false, then we can run this code just once
  ** save the results, and reuse the same result on subsequent invocations.
  */
  if( !ExprHasProperty(pExpr, EP_VarSelect) ){
















    jmpIfDynamic = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);
  }
  
  /* For a SELECT, generate code to put the values for all columns of
  ** the first row into an array of registers and return the index of
  ** the first register.
  **
  ** If this is an EXISTS, write an integer 0 (not exists) or 1 (exists)
  ** into a register and return that register number.
  **
  ** In both cases, the query is augmented with "LIMIT 1".  Any 
  ** preexisting limit is discarded in place of the new LIMIT 1.
  */
  testcase( pExpr->op==TK_EXISTS );
  testcase( pExpr->op==TK_SELECT );
  assert( pExpr->op==TK_EXISTS || pExpr->op==TK_SELECT );
  assert( ExprHasProperty(pExpr, EP_xIsSelect) );

  pSel = pExpr->x.pSelect;
  ExplainQueryPlan((pParse, 1, "%sSCALAR SUBQUERY",
        jmpIfDynamic>=0?"":"CORRELATED "));
  nReg = pExpr->op==TK_SELECT ? pSel->pEList->nExpr : 1;
  sqlite3SelectDestInit(&dest, 0, pParse->nMem+1);
  pParse->nMem += nReg;
  if( pExpr->op==TK_SELECT ){
    dest.eDest = SRT_Mem;
    dest.iSdst = dest.iSDParm;
    dest.nSdst = nReg;







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2804
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2916
2917






2918
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2922
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2925
2926
      int iValToIns;

      /* If the expression is not constant then we will need to
      ** disable the test that was generated above that makes sure
      ** this code only executes once.  Because for a non-constant
      ** expression we need to rerun this code each time.
      */
      if( addrOnce && !sqlite3ExprIsConstant(pE2) ){
        sqlite3VdbeChangeToNoop(v, addrOnce);
        addrOnce = 0;
      }

      /* Evaluate the expression and insert it into the temp table */
      if( isRowid && sqlite3ExprIsInteger(pE2, &iValToIns) ){
        sqlite3VdbeAddOp3(v, OP_InsertInt, iTab, r2, iValToIns);
      }else{
        r3 = sqlite3ExprCodeTarget(pParse, pE2, r1);
        if( isRowid ){
          sqlite3VdbeAddOp2(v, OP_MustBeInt, r3,
                            sqlite3VdbeCurrentAddr(v)+2);
          VdbeCoverage(v);
          sqlite3VdbeAddOp3(v, OP_Insert, iTab, r2, r3);
        }else{
          sqlite3VdbeAddOp4(v, OP_MakeRecord, r3, 1, r2, &affinity, 1);
          sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iTab, r2, r3, 1);
        }
      }
    }
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
  if( pKeyInfo ){
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);
    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);
  }
}
#endif /* SQLITE_OMIT_SUBQUERY */

/*
** Generate code for scalar subqueries used as a subquery expression
** or EXISTS operator:
**
**     (SELECT a FROM b)          -- subquery
**     EXISTS (SELECT a FROM b)   -- EXISTS subquery
**
** The pExpr parameter is the SELECT or EXISTS operator to be coded.
**
** The register that holds the result.  For a multi-column SELECT, 
** the result is stored in a contiguous array of registers and the
** return value is the register of the left-most result column.
** Return 0 if an error occurs.
*/
#ifndef SQLITE_OMIT_SUBQUERY
int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
  int addrOnce = 0;           /* Address of OP_Once at top of subroutine */
  int rReg = 0;               /* Register storing resulting */
  Select *pSel;               /* SELECT statement to encode */
  SelectDest dest;            /* How to deal with SELECT result */
  int nReg;                   /* Registers to allocate */
  Expr *pLimit;               /* New limit expression */

  Vdbe *v = pParse->pVdbe;
  assert( v!=0 );
  testcase( pExpr->op==TK_EXISTS );
  testcase( pExpr->op==TK_SELECT );
  assert( pExpr->op==TK_EXISTS || pExpr->op==TK_SELECT );
  assert( ExprHasProperty(pExpr, EP_xIsSelect) );
  pSel = pExpr->x.pSelect;

  /* The evaluation of the EXISTS/SELECT must be repeated every time it
  ** is encountered if any of the following is true:
  **
  **    *  The right-hand side is a correlated subquery
  **    *  The right-hand side is an expression list containing variables
  **    *  We are inside a trigger
  **
  ** If all of the above are false, then we can run this code just once
  ** save the results, and reuse the same result on subsequent invocations.
  */
  if( !ExprHasProperty(pExpr, EP_VarSelect) ){
    /* If this routine has already been coded, then invoke it as a
    ** subroutine. */
    if( ExprHasProperty(pExpr, EP_Subrtn) ){
      ExplainQueryPlan((pParse, 0, "REUSE SUBQUERY %d", pSel->selId));
      sqlite3VdbeAddOp2(v, OP_Gosub, pExpr->y.sub.regReturn,
                        pExpr->y.sub.iAddr);
      return pExpr->iTable;
    }

    /* Begin coding the subroutine */
    ExprSetProperty(pExpr, EP_Subrtn);
    pExpr->y.sub.regReturn = ++pParse->nMem;
    pExpr->y.sub.iAddr =
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1;
    VdbeComment((v, "return address"));

    addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v);
  }
  
  /* For a SELECT, generate code to put the values for all columns of
  ** the first row into an array of registers and return the index of
  ** the first register.
  **
  ** If this is an EXISTS, write an integer 0 (not exists) or 1 (exists)
  ** into a register and return that register number.
  **
  ** In both cases, the query is augmented with "LIMIT 1".  Any 
  ** preexisting limit is discarded in place of the new LIMIT 1.
  */






  ExplainQueryPlan((pParse, 1, "%sSCALAR SUBQUERY %d",
        addrOnce?"":"CORRELATED ", pSel->selId));
  nReg = pExpr->op==TK_SELECT ? pSel->pEList->nExpr : 1;
  sqlite3SelectDestInit(&dest, 0, pParse->nMem+1);
  pParse->nMem += nReg;
  if( pExpr->op==TK_SELECT ){
    dest.eDest = SRT_Mem;
    dest.iSdst = dest.iSDParm;
    dest.nSdst = nReg;
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2892
2893

2894

2895
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2900
2901
  }else{
    pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0);
  }
  pSel->iLimit = 0;
  if( sqlite3Select(pParse, pSel, &dest) ){
    return 0;
  }
  rReg = dest.iSDParm;
  ExprSetVVAProperty(pExpr, EP_NoReduce);



  if( jmpIfDynamic>=0 ){

    sqlite3VdbeJumpHere(v, jmpIfDynamic);

  }

  return rReg;
}
#endif /* SQLITE_OMIT_SUBQUERY */

#ifndef SQLITE_OMIT_SUBQUERY







|

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>

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>
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>







2938
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  }else{
    pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0);
  }
  pSel->iLimit = 0;
  if( sqlite3Select(pParse, pSel, &dest) ){
    return 0;
  }
  pExpr->iTable = rReg = dest.iSDParm;
  ExprSetVVAProperty(pExpr, EP_NoReduce);
  if( addrOnce ){
    sqlite3VdbeJumpHere(v, addrOnce);


    /* Subroutine return */
    sqlite3VdbeAddOp1(v, OP_Return, pExpr->y.sub.regReturn);
    sqlite3VdbeChangeP1(v, pExpr->y.sub.iAddr-1, sqlite3VdbeCurrentAddr(v)-1);
  }

  return rReg;
}
#endif /* SQLITE_OMIT_SUBQUERY */

#ifndef SQLITE_OMIT_SUBQUERY
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2991
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  Expr *pLeft;          /* The LHS of the IN operator */
  int i;                /* loop counter */
  int destStep2;        /* Where to jump when NULLs seen in step 2 */
  int destStep6 = 0;    /* Start of code for Step 6 */
  int addrTruthOp;      /* Address of opcode that determines the IN is true */
  int destNotNull;      /* Jump here if a comparison is not true in step 6 */
  int addrTop;          /* Top of the step-6 loop */ 


  pLeft = pExpr->pLeft;
  if( sqlite3ExprCheckIN(pParse, pExpr) ) return;
  zAff = exprINAffinity(pParse, pExpr);
  nVector = sqlite3ExprVectorSize(pExpr->pLeft);
  aiMap = (int*)sqlite3DbMallocZero(
      pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1
  );
  if( pParse->db->mallocFailed ) goto sqlite3ExprCodeIN_oom_error;

  /* Attempt to compute the RHS. After this step, if anything other than
  ** IN_INDEX_NOOP is returned, the table opened ith cursor pExpr->iTable 
  ** contains the values that make up the RHS. If IN_INDEX_NOOP is returned,
  ** the RHS has not yet been coded.  */
  v = pParse->pVdbe;
  assert( v!=0 );       /* OOM detected prior to this routine */
  VdbeNoopComment((v, "begin IN expr"));
  eType = sqlite3FindInIndex(pParse, pExpr,
                             IN_INDEX_MEMBERSHIP | IN_INDEX_NOOP_OK,
                             destIfFalse==destIfNull ? 0 : &rRhsHasNull, aiMap);


  assert( pParse->nErr || nVector==1 || eType==IN_INDEX_EPH
       || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC 
  );
#ifdef SQLITE_DEBUG
  /* Confirm that aiMap[] contains nVector integer values between 0 and
  ** nVector-1. */







>











|







|
>







3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
  Expr *pLeft;          /* The LHS of the IN operator */
  int i;                /* loop counter */
  int destStep2;        /* Where to jump when NULLs seen in step 2 */
  int destStep6 = 0;    /* Start of code for Step 6 */
  int addrTruthOp;      /* Address of opcode that determines the IN is true */
  int destNotNull;      /* Jump here if a comparison is not true in step 6 */
  int addrTop;          /* Top of the step-6 loop */ 
  int iTab = 0;         /* Index to use */

  pLeft = pExpr->pLeft;
  if( sqlite3ExprCheckIN(pParse, pExpr) ) return;
  zAff = exprINAffinity(pParse, pExpr);
  nVector = sqlite3ExprVectorSize(pExpr->pLeft);
  aiMap = (int*)sqlite3DbMallocZero(
      pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1
  );
  if( pParse->db->mallocFailed ) goto sqlite3ExprCodeIN_oom_error;

  /* Attempt to compute the RHS. After this step, if anything other than
  ** IN_INDEX_NOOP is returned, the table opened with cursor iTab
  ** contains the values that make up the RHS. If IN_INDEX_NOOP is returned,
  ** the RHS has not yet been coded.  */
  v = pParse->pVdbe;
  assert( v!=0 );       /* OOM detected prior to this routine */
  VdbeNoopComment((v, "begin IN expr"));
  eType = sqlite3FindInIndex(pParse, pExpr,
                             IN_INDEX_MEMBERSHIP | IN_INDEX_NOOP_OK,
                             destIfFalse==destIfNull ? 0 : &rRhsHasNull,
                             aiMap, &iTab);

  assert( pParse->nErr || nVector==1 || eType==IN_INDEX_EPH
       || eType==IN_INDEX_INDEX_ASC || eType==IN_INDEX_INDEX_DESC 
  );
#ifdef SQLITE_DEBUG
  /* Confirm that aiMap[] contains nVector integer values between 0 and
  ** nVector-1. */
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
  ** sequence of comparisons.
  **
  ** This is step (1) in the in-operator.md optimized algorithm.
  */
  if( eType==IN_INDEX_NOOP ){
    ExprList *pList = pExpr->x.pList;
    CollSeq *pColl = sqlite3ExprCollSeq(pParse, pExpr->pLeft);
    int labelOk = sqlite3VdbeMakeLabel(v);
    int r2, regToFree;
    int regCkNull = 0;
    int ii;
    assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
    if( destIfNull!=destIfFalse ){
      regCkNull = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp3(v, OP_BitAnd, rLhs, rLhs, regCkNull);







|







3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
  ** sequence of comparisons.
  **
  ** This is step (1) in the in-operator.md optimized algorithm.
  */
  if( eType==IN_INDEX_NOOP ){
    ExprList *pList = pExpr->x.pList;
    CollSeq *pColl = sqlite3ExprCollSeq(pParse, pExpr->pLeft);
    int labelOk = sqlite3VdbeMakeLabel(pParse);
    int r2, regToFree;
    int regCkNull = 0;
    int ii;
    assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
    if( destIfNull!=destIfFalse ){
      regCkNull = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp3(v, OP_BitAnd, rLhs, rLhs, regCkNull);
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
  /* Step 2: Check to see if the LHS contains any NULL columns.  If the
  ** LHS does contain NULLs then the result must be either FALSE or NULL.
  ** We will then skip the binary search of the RHS.
  */
  if( destIfNull==destIfFalse ){
    destStep2 = destIfFalse;
  }else{
    destStep2 = destStep6 = sqlite3VdbeMakeLabel(v);
  }
  for(i=0; i<nVector; i++){
    Expr *p = sqlite3VectorFieldSubexpr(pExpr->pLeft, i);
    if( sqlite3ExprCanBeNull(p) ){
      sqlite3VdbeAddOp2(v, OP_IsNull, rLhs+i, destStep2);
      VdbeCoverage(v);
    }
  }

  /* Step 3.  The LHS is now known to be non-NULL.  Do the binary search
  ** of the RHS using the LHS as a probe.  If found, the result is
  ** true.
  */
  if( eType==IN_INDEX_ROWID ){
    /* In this case, the RHS is the ROWID of table b-tree and so we also
    ** know that the RHS is non-NULL.  Hence, we combine steps 3 and 4
    ** into a single opcode. */
    sqlite3VdbeAddOp3(v, OP_SeekRowid, pExpr->iTable, destIfFalse, rLhs);
    VdbeCoverage(v);
    addrTruthOp = sqlite3VdbeAddOp0(v, OP_Goto);  /* Return True */
  }else{
    sqlite3VdbeAddOp4(v, OP_Affinity, rLhs, nVector, 0, zAff, nVector);
    if( destIfFalse==destIfNull ){
      /* Combine Step 3 and Step 5 into a single opcode */
      sqlite3VdbeAddOp4Int(v, OP_NotFound, pExpr->iTable, destIfFalse,
                           rLhs, nVector); VdbeCoverage(v);
      goto sqlite3ExprCodeIN_finished;
    }
    /* Ordinary Step 3, for the case where FALSE and NULL are distinct */
    addrTruthOp = sqlite3VdbeAddOp4Int(v, OP_Found, pExpr->iTable, 0,
                                      rLhs, nVector); VdbeCoverage(v);
  }

  /* Step 4.  If the RHS is known to be non-NULL and we did not find
  ** an match on the search above, then the result must be FALSE.
  */
  if( rRhsHasNull && nVector==1 ){







|

















|






|




|







3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
  /* Step 2: Check to see if the LHS contains any NULL columns.  If the
  ** LHS does contain NULLs then the result must be either FALSE or NULL.
  ** We will then skip the binary search of the RHS.
  */
  if( destIfNull==destIfFalse ){
    destStep2 = destIfFalse;
  }else{
    destStep2 = destStep6 = sqlite3VdbeMakeLabel(pParse);
  }
  for(i=0; i<nVector; i++){
    Expr *p = sqlite3VectorFieldSubexpr(pExpr->pLeft, i);
    if( sqlite3ExprCanBeNull(p) ){
      sqlite3VdbeAddOp2(v, OP_IsNull, rLhs+i, destStep2);
      VdbeCoverage(v);
    }
  }

  /* Step 3.  The LHS is now known to be non-NULL.  Do the binary search
  ** of the RHS using the LHS as a probe.  If found, the result is
  ** true.
  */
  if( eType==IN_INDEX_ROWID ){
    /* In this case, the RHS is the ROWID of table b-tree and so we also
    ** know that the RHS is non-NULL.  Hence, we combine steps 3 and 4
    ** into a single opcode. */
    sqlite3VdbeAddOp3(v, OP_SeekRowid, iTab, destIfFalse, rLhs);
    VdbeCoverage(v);
    addrTruthOp = sqlite3VdbeAddOp0(v, OP_Goto);  /* Return True */
  }else{
    sqlite3VdbeAddOp4(v, OP_Affinity, rLhs, nVector, 0, zAff, nVector);
    if( destIfFalse==destIfNull ){
      /* Combine Step 3 and Step 5 into a single opcode */
      sqlite3VdbeAddOp4Int(v, OP_NotFound, iTab, destIfFalse,
                           rLhs, nVector); VdbeCoverage(v);
      goto sqlite3ExprCodeIN_finished;
    }
    /* Ordinary Step 3, for the case where FALSE and NULL are distinct */
    addrTruthOp = sqlite3VdbeAddOp4Int(v, OP_Found, iTab, 0,
                                      rLhs, nVector); VdbeCoverage(v);
  }

  /* Step 4.  If the RHS is known to be non-NULL and we did not find
  ** an match on the search above, then the result must be FALSE.
  */
  if( rRhsHasNull && nVector==1 ){
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
  ** If any comparison is NULL, then the result is NULL.  If all
  ** comparisons are FALSE then the final result is FALSE.
  **
  ** For a scalar LHS, it is sufficient to check just the first row
  ** of the RHS.
  */
  if( destStep6 ) sqlite3VdbeResolveLabel(v, destStep6);
  addrTop = sqlite3VdbeAddOp2(v, OP_Rewind, pExpr->iTable, destIfFalse);
  VdbeCoverage(v);
  if( nVector>1 ){
    destNotNull = sqlite3VdbeMakeLabel(v);
  }else{
    /* For nVector==1, combine steps 6 and 7 by immediately returning
    ** FALSE if the first comparison is not NULL */
    destNotNull = destIfFalse;
  }
  for(i=0; i<nVector; i++){
    Expr *p;
    CollSeq *pColl;
    int r3 = sqlite3GetTempReg(pParse);
    p = sqlite3VectorFieldSubexpr(pLeft, i);
    pColl = sqlite3ExprCollSeq(pParse, p);
    sqlite3VdbeAddOp3(v, OP_Column, pExpr->iTable, i, r3);
    sqlite3VdbeAddOp4(v, OP_Ne, rLhs+i, destNotNull, r3,
                      (void*)pColl, P4_COLLSEQ);
    VdbeCoverage(v);
    sqlite3ReleaseTempReg(pParse, r3);
  }
  sqlite3VdbeAddOp2(v, OP_Goto, 0, destIfNull);
  if( nVector>1 ){
    sqlite3VdbeResolveLabel(v, destNotNull);
    sqlite3VdbeAddOp2(v, OP_Next, pExpr->iTable, addrTop+1);
    VdbeCoverage(v);

    /* Step 7:  If we reach this point, we know that the result must
    ** be false. */
    sqlite3VdbeAddOp2(v, OP_Goto, 0, destIfFalse);
  }








|


|











|








|







3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
  ** If any comparison is NULL, then the result is NULL.  If all
  ** comparisons are FALSE then the final result is FALSE.
  **
  ** For a scalar LHS, it is sufficient to check just the first row
  ** of the RHS.
  */
  if( destStep6 ) sqlite3VdbeResolveLabel(v, destStep6);
  addrTop = sqlite3VdbeAddOp2(v, OP_Rewind, iTab, destIfFalse);
  VdbeCoverage(v);
  if( nVector>1 ){
    destNotNull = sqlite3VdbeMakeLabel(pParse);
  }else{
    /* For nVector==1, combine steps 6 and 7 by immediately returning
    ** FALSE if the first comparison is not NULL */
    destNotNull = destIfFalse;
  }
  for(i=0; i<nVector; i++){
    Expr *p;
    CollSeq *pColl;
    int r3 = sqlite3GetTempReg(pParse);
    p = sqlite3VectorFieldSubexpr(pLeft, i);
    pColl = sqlite3ExprCollSeq(pParse, p);
    sqlite3VdbeAddOp3(v, OP_Column, iTab, i, r3);
    sqlite3VdbeAddOp4(v, OP_Ne, rLhs+i, destNotNull, r3,
                      (void*)pColl, P4_COLLSEQ);
    VdbeCoverage(v);
    sqlite3ReleaseTempReg(pParse, r3);
  }
  sqlite3VdbeAddOp2(v, OP_Goto, 0, destIfNull);
  if( nVector>1 ){
    sqlite3VdbeResolveLabel(v, destNotNull);
    sqlite3VdbeAddOp2(v, OP_Next, iTab, addrTop+1);
    VdbeCoverage(v);

    /* Step 7:  If we reach this point, we know that the result must
    ** be false. */
    sqlite3VdbeAddOp2(v, OP_Goto, 0, destIfFalse);
  }

3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
      }

      /* Attempt a direct implementation of the built-in COALESCE() and
      ** IFNULL() functions.  This avoids unnecessary evaluation of
      ** arguments past the first non-NULL argument.
      */
      if( pDef->funcFlags & SQLITE_FUNC_COALESCE ){
        int endCoalesce = sqlite3VdbeMakeLabel(v);
        assert( nFarg>=2 );
        sqlite3ExprCode(pParse, pFarg->a[0].pExpr, target);
        for(i=1; i<nFarg; i++){
          sqlite3VdbeAddOp2(v, OP_NotNull, target, endCoalesce);
          VdbeCoverage(v);
          sqlite3ExprCode(pParse, pFarg->a[i].pExpr, target);
        }







|







3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
      }

      /* Attempt a direct implementation of the built-in COALESCE() and
      ** IFNULL() functions.  This avoids unnecessary evaluation of
      ** arguments past the first non-NULL argument.
      */
      if( pDef->funcFlags & SQLITE_FUNC_COALESCE ){
        int endCoalesce = sqlite3VdbeMakeLabel(pParse);
        assert( nFarg>=2 );
        sqlite3ExprCode(pParse, pFarg->a[0].pExpr, target);
        for(i=1; i<nFarg; i++){
          sqlite3VdbeAddOp2(v, OP_NotNull, target, endCoalesce);
          VdbeCoverage(v);
          sqlite3ExprCode(pParse, pFarg->a[i].pExpr, target);
        }
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
      ){
        sqlite3ErrorMsg(pParse, "%d columns assigned %d values",
                                pExpr->iTable, n);
      }
      return pExpr->pLeft->iTable + pExpr->iColumn;
    }
    case TK_IN: {
      int destIfFalse = sqlite3VdbeMakeLabel(v);
      int destIfNull = sqlite3VdbeMakeLabel(v);
      sqlite3VdbeAddOp2(v, OP_Null, 0, target);
      sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull);
      sqlite3VdbeAddOp2(v, OP_Integer, 1, target);
      sqlite3VdbeResolveLabel(v, destIfFalse);
      sqlite3VdbeAddOp2(v, OP_AddImm, target, 0);
      sqlite3VdbeResolveLabel(v, destIfNull);
      return target;







|
|







3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
      ){
        sqlite3ErrorMsg(pParse, "%d columns assigned %d values",
                                pExpr->iTable, n);
      }
      return pExpr->pLeft->iTable + pExpr->iColumn;
    }
    case TK_IN: {
      int destIfFalse = sqlite3VdbeMakeLabel(pParse);
      int destIfNull = sqlite3VdbeMakeLabel(pParse);
      sqlite3VdbeAddOp2(v, OP_Null, 0, target);
      sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull);
      sqlite3VdbeAddOp2(v, OP_Integer, 1, target);
      sqlite3VdbeResolveLabel(v, destIfFalse);
      sqlite3VdbeAddOp2(v, OP_AddImm, target, 0);
      sqlite3VdbeResolveLabel(v, destIfNull);
      return target;
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
      Expr *pTest = 0;                  /* X==Ei (form A) or just Ei (form B) */

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) && pExpr->x.pList );
      assert(pExpr->x.pList->nExpr > 0);
      pEList = pExpr->x.pList;
      aListelem = pEList->a;
      nExpr = pEList->nExpr;
      endLabel = sqlite3VdbeMakeLabel(v);
      if( (pX = pExpr->pLeft)!=0 ){
        tempX = *pX;
        testcase( pX->op==TK_COLUMN );
        exprToRegister(&tempX, exprCodeVector(pParse, &tempX, &regFree1));
        testcase( regFree1==0 );
        memset(&opCompare, 0, sizeof(opCompare));
        opCompare.op = TK_EQ;







|







4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
      Expr *pTest = 0;                  /* X==Ei (form A) or just Ei (form B) */

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) && pExpr->x.pList );
      assert(pExpr->x.pList->nExpr > 0);
      pEList = pExpr->x.pList;
      aListelem = pEList->a;
      nExpr = pEList->nExpr;
      endLabel = sqlite3VdbeMakeLabel(pParse);
      if( (pX = pExpr->pLeft)!=0 ){
        tempX = *pX;
        testcase( pX->op==TK_COLUMN );
        exprToRegister(&tempX, exprCodeVector(pParse, &tempX, &regFree1));
        testcase( regFree1==0 );
        memset(&opCompare, 0, sizeof(opCompare));
        opCompare.op = TK_EQ;
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
      for(i=0; i<nExpr-1; i=i+2){
        if( pX ){
          assert( pTest!=0 );
          opCompare.pRight = aListelem[i].pExpr;
        }else{
          pTest = aListelem[i].pExpr;
        }
        nextCase = sqlite3VdbeMakeLabel(v);
        testcase( pTest->op==TK_COLUMN );
        sqlite3ExprIfFalse(pParse, pTest, nextCase, SQLITE_JUMPIFNULL);
        testcase( aListelem[i+1].pExpr->op==TK_COLUMN );
        sqlite3ExprCode(pParse, aListelem[i+1].pExpr, target);
        sqlite3VdbeGoto(v, endLabel);
        sqlite3VdbeResolveLabel(v, nextCase);
      }







|







4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
      for(i=0; i<nExpr-1; i=i+2){
        if( pX ){
          assert( pTest!=0 );
          opCompare.pRight = aListelem[i].pExpr;
        }else{
          pTest = aListelem[i].pExpr;
        }
        nextCase = sqlite3VdbeMakeLabel(pParse);
        testcase( pTest->op==TK_COLUMN );
        sqlite3ExprIfFalse(pParse, pTest, nextCase, SQLITE_JUMPIFNULL);
        testcase( aListelem[i+1].pExpr->op==TK_COLUMN );
        sqlite3ExprCode(pParse, aListelem[i+1].pExpr, target);
        sqlite3VdbeGoto(v, endLabel);
        sqlite3VdbeResolveLabel(v, nextCase);
      }
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391

  assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 );
  if( NEVER(v==0) )     return;  /* Existence of VDBE checked by caller */
  if( NEVER(pExpr==0) ) return;  /* No way this can happen */
  op = pExpr->op;
  switch( op ){
    case TK_AND: {
      int d2 = sqlite3VdbeMakeLabel(v);
      testcase( jumpIfNull==0 );
      sqlite3ExprIfFalse(pParse, pExpr->pLeft, d2,jumpIfNull^SQLITE_JUMPIFNULL);
      sqlite3ExprIfTrue(pParse, pExpr->pRight, dest, jumpIfNull);
      sqlite3VdbeResolveLabel(v, d2);
      break;
    }
    case TK_OR: {







|







4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451

  assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 );
  if( NEVER(v==0) )     return;  /* Existence of VDBE checked by caller */
  if( NEVER(pExpr==0) ) return;  /* No way this can happen */
  op = pExpr->op;
  switch( op ){
    case TK_AND: {
      int d2 = sqlite3VdbeMakeLabel(pParse);
      testcase( jumpIfNull==0 );
      sqlite3ExprIfFalse(pParse, pExpr->pLeft, d2,jumpIfNull^SQLITE_JUMPIFNULL);
      sqlite3ExprIfTrue(pParse, pExpr->pRight, dest, jumpIfNull);
      sqlite3VdbeResolveLabel(v, d2);
      break;
    }
    case TK_OR: {
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
    case TK_BETWEEN: {
      testcase( jumpIfNull==0 );
      exprCodeBetween(pParse, pExpr, dest, sqlite3ExprIfTrue, jumpIfNull);
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
    case TK_IN: {
      int destIfFalse = sqlite3VdbeMakeLabel(v);
      int destIfNull = jumpIfNull ? dest : destIfFalse;
      sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull);
      sqlite3VdbeGoto(v, dest);
      sqlite3VdbeResolveLabel(v, destIfFalse);
      break;
    }
#endif







|







4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
    case TK_BETWEEN: {
      testcase( jumpIfNull==0 );
      exprCodeBetween(pParse, pExpr, dest, sqlite3ExprIfTrue, jumpIfNull);
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
    case TK_IN: {
      int destIfFalse = sqlite3VdbeMakeLabel(pParse);
      int destIfNull = jumpIfNull ? dest : destIfFalse;
      sqlite3ExprCodeIN(pParse, pExpr, destIfFalse, destIfNull);
      sqlite3VdbeGoto(v, dest);
      sqlite3VdbeResolveLabel(v, destIfFalse);
      break;
    }
#endif
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
    case TK_AND: {
      testcase( jumpIfNull==0 );
      sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull);
      sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull);
      break;
    }
    case TK_OR: {
      int d2 = sqlite3VdbeMakeLabel(v);
      testcase( jumpIfNull==0 );
      sqlite3ExprIfTrue(pParse, pExpr->pLeft, d2, jumpIfNull^SQLITE_JUMPIFNULL);
      sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull);
      sqlite3VdbeResolveLabel(v, d2);
      break;
    }
    case TK_NOT: {







|







4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
    case TK_AND: {
      testcase( jumpIfNull==0 );
      sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull);
      sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull);
      break;
    }
    case TK_OR: {
      int d2 = sqlite3VdbeMakeLabel(pParse);
      testcase( jumpIfNull==0 );
      sqlite3ExprIfTrue(pParse, pExpr->pLeft, d2, jumpIfNull^SQLITE_JUMPIFNULL);
      sqlite3ExprIfFalse(pParse, pExpr->pRight, dest, jumpIfNull);
      sqlite3VdbeResolveLabel(v, d2);
      break;
    }
    case TK_NOT: {
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
    case TK_IN: {
      if( jumpIfNull ){
        sqlite3ExprCodeIN(pParse, pExpr, dest, dest);
      }else{
        int destIfNull = sqlite3VdbeMakeLabel(v);
        sqlite3ExprCodeIN(pParse, pExpr, dest, destIfNull);
        sqlite3VdbeResolveLabel(v, destIfNull);
      }
      break;
    }
#endif
    default: {







|







4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
      break;
    }
#ifndef SQLITE_OMIT_SUBQUERY
    case TK_IN: {
      if( jumpIfNull ){
        sqlite3ExprCodeIN(pParse, pExpr, dest, dest);
      }else{
        int destIfNull = sqlite3VdbeMakeLabel(pParse);
        sqlite3ExprCodeIN(pParse, pExpr, dest, destIfNull);
        sqlite3VdbeResolveLabel(v, destIfNull);
      }
      break;
    }
#endif
    default: {
Changes to src/fkey.c.
325
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327
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329
330
331
332
333
334
335
336
337
338
339
  int regData,          /* Address of array containing child table row */
  int nIncr,            /* Increment constraint counter by this */
  int isIgnore          /* If true, pretend pTab contains all NULL values */
){
  int i;                                    /* Iterator variable */
  Vdbe *v = sqlite3GetVdbe(pParse);         /* Vdbe to add code to */
  int iCur = pParse->nTab - 1;              /* Cursor number to use */
  int iOk = sqlite3VdbeMakeLabel(v);        /* jump here if parent key found */

  sqlite3VdbeVerifyAbortable(v,
    (!pFKey->isDeferred
      && !(pParse->db->flags & SQLITE_DeferFKs)
      && !pParse->pToplevel 
      && !pParse->isMultiWrite) ? OE_Abort : OE_Ignore);








|







325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
  int regData,          /* Address of array containing child table row */
  int nIncr,            /* Increment constraint counter by this */
  int isIgnore          /* If true, pretend pTab contains all NULL values */
){
  int i;                                    /* Iterator variable */
  Vdbe *v = sqlite3GetVdbe(pParse);         /* Vdbe to add code to */
  int iCur = pParse->nTab - 1;              /* Cursor number to use */
  int iOk = sqlite3VdbeMakeLabel(pParse);   /* jump here if parent key found */

  sqlite3VdbeVerifyAbortable(v,
    (!pFKey->isDeferred
      && !(pParse->db->flags & SQLITE_DeferFKs)
      && !pParse->pToplevel 
      && !pParse->isMultiWrite) ? OE_Abort : OE_Ignore);

725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
      ** the entire DELETE if there are no outstanding deferred constraints
      ** when this statement is run.  */
      FKey *p;
      for(p=pTab->pFKey; p; p=p->pNextFrom){
        if( p->isDeferred || (db->flags & SQLITE_DeferFKs) ) break;
      }
      if( !p ) return;
      iSkip = sqlite3VdbeMakeLabel(v);
      sqlite3VdbeAddOp2(v, OP_FkIfZero, 1, iSkip); VdbeCoverage(v);
    }

    pParse->disableTriggers = 1;
    sqlite3DeleteFrom(pParse, sqlite3SrcListDup(db, pName, 0), 0, 0, 0);
    pParse->disableTriggers = 0;








|







725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
      ** the entire DELETE if there are no outstanding deferred constraints
      ** when this statement is run.  */
      FKey *p;
      for(p=pTab->pFKey; p; p=p->pNextFrom){
        if( p->isDeferred || (db->flags & SQLITE_DeferFKs) ) break;
      }
      if( !p ) return;
      iSkip = sqlite3VdbeMakeLabel(pParse);
      sqlite3VdbeAddOp2(v, OP_FkIfZero, 1, iSkip); VdbeCoverage(v);
    }

    pParse->disableTriggers = 1;
    sqlite3DeleteFrom(pParse, sqlite3SrcListDup(db, pName, 0), 0, 0, 0);
    pParse->disableTriggers = 0;

Changes to src/insert.c.
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
    */
    addrInsTop = addrCont = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
    VdbeCoverage(v);
  }

  /* Run the BEFORE and INSTEAD OF triggers, if there are any
  */
  endOfLoop = sqlite3VdbeMakeLabel(v);
  if( tmask & TRIGGER_BEFORE ){
    int regCols = sqlite3GetTempRange(pParse, pTab->nCol+1);

    /* build the NEW.* reference row.  Note that if there is an INTEGER
    ** PRIMARY KEY into which a NULL is being inserted, that NULL will be
    ** translated into a unique ID for the row.  But on a BEFORE trigger,
    ** we do not know what the unique ID will be (because the insert has







|







862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
    */
    addrInsTop = addrCont = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
    VdbeCoverage(v);
  }

  /* Run the BEFORE and INSTEAD OF triggers, if there are any
  */
  endOfLoop = sqlite3VdbeMakeLabel(pParse);
  if( tmask & TRIGGER_BEFORE ){
    int regCols = sqlite3GetTempRange(pParse, pTab->nCol+1);

    /* build the NEW.* reference row.  Note that if there is an INTEGER
    ** PRIMARY KEY into which a NULL is being inserted, that NULL will be
    ** translated into a unique ID for the row.  But on a BEFORE trigger,
    ** we do not know what the unique ID will be (because the insert has
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
    }
    assert( onError==OE_Rollback || onError==OE_Abort || onError==OE_Fail
        || onError==OE_Ignore || onError==OE_Replace );
    addr1 = 0;
    switch( onError ){
      case OE_Replace: {
        assert( onError==OE_Replace );
        addr1 = sqlite3VdbeMakeLabel(v);
        sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1);
          VdbeCoverage(v);
        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regNewData+1+i);
        sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1);
          VdbeCoverage(v);
        onError = OE_Abort;
        /* Fall through into the OE_Abort case to generate code that runs







|







1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
    }
    assert( onError==OE_Rollback || onError==OE_Abort || onError==OE_Fail
        || onError==OE_Ignore || onError==OE_Replace );
    addr1 = 0;
    switch( onError ){
      case OE_Replace: {
        assert( onError==OE_Replace );
        addr1 = sqlite3VdbeMakeLabel(pParse);
        sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1);
          VdbeCoverage(v);
        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt, regNewData+1+i);
        sqlite3VdbeAddOp2(v, OP_NotNull, regNewData+1+i, addr1);
          VdbeCoverage(v);
        onError = OE_Abort;
        /* Fall through into the OE_Abort case to generate code that runs
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
      if( aiChng
       && !sqlite3ExprReferencesUpdatedColumn(pExpr, aiChng, pkChng)
      ){
        /* The check constraints do not reference any of the columns being
        ** updated so there is no point it verifying the check constraint */
        continue;
      }
      allOk = sqlite3VdbeMakeLabel(v);
      sqlite3VdbeVerifyAbortable(v, onError);
      sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL);
      if( onError==OE_Ignore ){
        sqlite3VdbeGoto(v, ignoreDest);
      }else{
        char *zName = pCheck->a[i].zName;
        if( zName==0 ) zName = pTab->zName;







|







1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
      if( aiChng
       && !sqlite3ExprReferencesUpdatedColumn(pExpr, aiChng, pkChng)
      ){
        /* The check constraints do not reference any of the columns being
        ** updated so there is no point it verifying the check constraint */
        continue;
      }
      allOk = sqlite3VdbeMakeLabel(pParse);
      sqlite3VdbeVerifyAbortable(v, onError);
      sqlite3ExprIfTrue(pParse, pExpr, allOk, SQLITE_JUMPIFNULL);
      if( onError==OE_Ignore ){
        sqlite3VdbeGoto(v, ignoreDest);
      }else{
        char *zName = pCheck->a[i].zName;
        if( zName==0 ) zName = pTab->zName;
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
    }
  }

  /* If rowid is changing, make sure the new rowid does not previously
  ** exist in the table.
  */
  if( pkChng && pPk==0 ){
    int addrRowidOk = sqlite3VdbeMakeLabel(v);

    /* Figure out what action to take in case of a rowid collision */
    onError = pTab->keyConf;
    if( overrideError!=OE_Default ){
      onError = overrideError;
    }else if( onError==OE_Default ){
      onError = OE_Abort;







|







1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
    }
  }

  /* If rowid is changing, make sure the new rowid does not previously
  ** exist in the table.
  */
  if( pkChng && pPk==0 ){
    int addrRowidOk = sqlite3VdbeMakeLabel(pParse);

    /* Figure out what action to take in case of a rowid collision */
    onError = pTab->keyConf;
    if( overrideError!=OE_Default ){
      onError = overrideError;
    }else if( onError==OE_Default ){
      onError = OE_Abort;
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
    if( aRegIdx[ix]==0 ) continue;  /* Skip indices that do not change */
    if( pUpIdx==pIdx ){
      addrUniqueOk = upsertJump+1;
      upsertBypass = sqlite3VdbeGoto(v, 0);
      VdbeComment((v, "Skip upsert subroutine"));
      sqlite3VdbeJumpHere(v, upsertJump);
    }else{
      addrUniqueOk = sqlite3VdbeMakeLabel(v);
    }
    if( bAffinityDone==0 && (pUpIdx==0 || pUpIdx==pIdx) ){
      sqlite3TableAffinity(v, pTab, regNewData+1);
      bAffinityDone = 1;
    }
    VdbeNoopComment((v, "uniqueness check for %s", pIdx->zName));
    iThisCur = iIdxCur+ix;







|







1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
    if( aRegIdx[ix]==0 ) continue;  /* Skip indices that do not change */
    if( pUpIdx==pIdx ){
      addrUniqueOk = upsertJump+1;
      upsertBypass = sqlite3VdbeGoto(v, 0);
      VdbeComment((v, "Skip upsert subroutine"));
      sqlite3VdbeJumpHere(v, upsertJump);
    }else{
      addrUniqueOk = sqlite3VdbeMakeLabel(pParse);
    }
    if( bAffinityDone==0 && (pUpIdx==0 || pUpIdx==pIdx) ){
      sqlite3TableAffinity(v, pTab, regNewData+1);
      bAffinityDone = 1;
    }
    VdbeNoopComment((v, "uniqueness check for %s", pIdx->zName));
    iThisCur = iIdxCur+ix;
Changes to src/pragma.c.
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
        pParent = sqlite3FindTable(db, pFK->zTo, zDb);
        pIdx = 0;
        aiCols = 0;
        if( pParent ){
          x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
          assert( x==0 );
        }
        addrOk = sqlite3VdbeMakeLabel(v);

        /* Generate code to read the child key values into registers
        ** regRow..regRow+n. If any of the child key values are NULL, this 
        ** row cannot cause an FK violation. Jump directly to addrOk in 
        ** this case. */
        for(j=0; j<pFK->nCol; j++){
          int iCol = aiCols ? aiCols[j] : pFK->aCol[j].iFrom;







|







1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
        pParent = sqlite3FindTable(db, pFK->zTo, zDb);
        pIdx = 0;
        aiCols = 0;
        if( pParent ){
          x = sqlite3FkLocateIndex(pParse, pParent, pFK, &pIdx, &aiCols);
          assert( x==0 );
        }
        addrOk = sqlite3VdbeMakeLabel(pParse);

        /* Generate code to read the child key values into registers
        ** regRow..regRow+n. If any of the child key values are NULL, this 
        ** row cannot cause an FK violation. Jump directly to addrOk in 
        ** this case. */
        for(j=0; j<pFK->nCol; j++){
          int iCol = aiCols ? aiCols[j] : pFK->aCol[j].iFrom;
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
          integrityCheckResultRow(v);
          sqlite3VdbeJumpHere(v, jmp2);
        }
        /* Verify CHECK constraints */
        if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){
          ExprList *pCheck = sqlite3ExprListDup(db, pTab->pCheck, 0);
          if( db->mallocFailed==0 ){
            int addrCkFault = sqlite3VdbeMakeLabel(v);
            int addrCkOk = sqlite3VdbeMakeLabel(v);
            char *zErr;
            int k;
            pParse->iSelfTab = iDataCur + 1;
            for(k=pCheck->nExpr-1; k>0; k--){
              sqlite3ExprIfFalse(pParse, pCheck->a[k].pExpr, addrCkFault, 0);
            }
            sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, 







|
|







1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
          integrityCheckResultRow(v);
          sqlite3VdbeJumpHere(v, jmp2);
        }
        /* Verify CHECK constraints */
        if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){
          ExprList *pCheck = sqlite3ExprListDup(db, pTab->pCheck, 0);
          if( db->mallocFailed==0 ){
            int addrCkFault = sqlite3VdbeMakeLabel(pParse);
            int addrCkOk = sqlite3VdbeMakeLabel(pParse);
            char *zErr;
            int k;
            pParse->iSelfTab = iDataCur + 1;
            for(k=pCheck->nExpr-1; k>0; k--){
              sqlite3ExprIfFalse(pParse, pCheck->a[k].pExpr, addrCkFault, 0);
            }
            sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, 
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
          }
          sqlite3ExprListDelete(db, pCheck);
        }
        if( !isQuick ){ /* Omit the remaining tests for quick_check */
          /* Validate index entries for the current row */
          for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
            int jmp2, jmp3, jmp4, jmp5;
            int ckUniq = sqlite3VdbeMakeLabel(v);
            if( pPk==pIdx ) continue;
            r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3,
                                         pPrior, r1);
            pPrior = pIdx;
            sqlite3VdbeAddOp2(v, OP_AddImm, 8+j, 1);/* increment entry count */
            /* Verify that an index entry exists for the current table row */
            jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, iIdxCur+j, ckUniq, r1,
                                        pIdx->nColumn); VdbeCoverage(v);
            sqlite3VdbeLoadString(v, 3, "row ");
            sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3);
            sqlite3VdbeLoadString(v, 4, " missing from index ");
            sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
            jmp5 = sqlite3VdbeLoadString(v, 4, pIdx->zName);
            sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
            jmp4 = integrityCheckResultRow(v);
            sqlite3VdbeJumpHere(v, jmp2);
            /* For UNIQUE indexes, verify that only one entry exists with the
            ** current key.  The entry is unique if (1) any column is NULL
            ** 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!=XN_ROWID && iCol<pTab->nCol );
                if( iCol>=0 && pTab->aCol[iCol].notNull ) continue;
                sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);







|




















|







1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
          }
          sqlite3ExprListDelete(db, pCheck);
        }
        if( !isQuick ){ /* Omit the remaining tests for quick_check */
          /* Validate index entries for the current row */
          for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
            int jmp2, jmp3, jmp4, jmp5;
            int ckUniq = sqlite3VdbeMakeLabel(pParse);
            if( pPk==pIdx ) continue;
            r1 = sqlite3GenerateIndexKey(pParse, pIdx, iDataCur, 0, 0, &jmp3,
                                         pPrior, r1);
            pPrior = pIdx;
            sqlite3VdbeAddOp2(v, OP_AddImm, 8+j, 1);/* increment entry count */
            /* Verify that an index entry exists for the current table row */
            jmp2 = sqlite3VdbeAddOp4Int(v, OP_Found, iIdxCur+j, ckUniq, r1,
                                        pIdx->nColumn); VdbeCoverage(v);
            sqlite3VdbeLoadString(v, 3, "row ");
            sqlite3VdbeAddOp3(v, OP_Concat, 7, 3, 3);
            sqlite3VdbeLoadString(v, 4, " missing from index ");
            sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
            jmp5 = sqlite3VdbeLoadString(v, 4, pIdx->zName);
            sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 3);
            jmp4 = integrityCheckResultRow(v);
            sqlite3VdbeJumpHere(v, jmp2);
            /* For UNIQUE indexes, verify that only one entry exists with the
            ** current key.  The entry is unique if (1) any column is NULL
            ** or (2) the next entry has a different key */
            if( IsUniqueIndex(pIdx) ){
              int uniqOk = sqlite3VdbeMakeLabel(pParse);
              int jmp6;
              int kk;
              for(kk=0; kk<pIdx->nKeyCol; kk++){
                int iCol = pIdx->aiColumn[kk];
                assert( iCol!=XN_ROWID && iCol<pTab->nCol );
                if( iCol>=0 && pTab->aCol[iCol].notNull ) continue;
                sqlite3VdbeAddOp2(v, OP_IsNull, r1+kk, uniqOk);
Changes to src/resolve.c.
1658
1659
1660
1661
1662
1663
1664
1665

1666
1667
1668


1669
1670
1671

1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683

1684

1685
1686
1687

1688
1689
1690
1691

1692
1693
1694
1695
1696

1697
  w.xSelectCallback2 = 0;
  w.pParse = pParse;
  w.u.pNC = pOuterNC;
  sqlite3WalkSelect(&w, p);
}

/*
** Resolve names in expressions that can only reference a single table:

**
**    *   CHECK constraints
**    *   WHERE clauses on partial indices


**
** The Expr.iTable value for Expr.op==TK_COLUMN nodes of the expression
** is set to -1 and the Expr.iColumn value is set to the column number.

**
** Any errors cause an error message to be set in pParse.
*/
void sqlite3ResolveSelfReference(
  Parse *pParse,      /* Parsing context */
  Table *pTab,        /* The table being referenced */
  int type,           /* NC_IsCheck or NC_PartIdx or NC_IdxExpr */
  Expr *pExpr,        /* Expression to resolve.  May be NULL. */
  ExprList *pList     /* Expression list to resolve.  May be NULL. */
){
  SrcList sSrc;                   /* Fake SrcList for pParse->pNewTable */
  NameContext sNC;                /* Name context for pParse->pNewTable */



  assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr );
  memset(&sNC, 0, sizeof(sNC));
  memset(&sSrc, 0, sizeof(sSrc));

  sSrc.nSrc = 1;
  sSrc.a[0].zName = pTab->zName;
  sSrc.a[0].pTab = pTab;
  sSrc.a[0].iCursor = -1;

  sNC.pParse = pParse;
  sNC.pSrcList = &sSrc;
  sNC.ncFlags = type;
  if( sqlite3ResolveExprNames(&sNC, pExpr) ) return;
  if( pList ) sqlite3ResolveExprListNames(&sNC, pList);

}







|
>

|
|
>
>

|
|
>



|

|
|





>

>
|


>
|
|
|
|
>



|
|
>

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  w.xSelectCallback2 = 0;
  w.pParse = pParse;
  w.u.pNC = pOuterNC;
  sqlite3WalkSelect(&w, p);
}

/*
** Resolve names in expressions that can only reference a single table
** or which cannot reference any tables at all.  Examples:
**
**    (1)   CHECK constraints
**    (2)   WHERE clauses on partial indices
**    (3)   Expressions in indexes on expressions
**    (4)   Expression arguments to VACUUM INTO.
**
** In all cases except (4), the Expr.iTable value for Expr.op==TK_COLUMN
** nodes of the expression is set to -1 and the Expr.iColumn value is
** set to the column number.  In case (4), TK_COLUMN nodes cause an error.
**
** Any errors cause an error message to be set in pParse.
*/
int sqlite3ResolveSelfReference(
  Parse *pParse,      /* Parsing context */
  Table *pTab,        /* The table being referenced, or NULL */
  int type,           /* NC_IsCheck or NC_PartIdx or NC_IdxExpr, or 0 */
  Expr *pExpr,        /* Expression to resolve.  May be NULL. */
  ExprList *pList     /* Expression list to resolve.  May be NULL. */
){
  SrcList sSrc;                   /* Fake SrcList for pParse->pNewTable */
  NameContext sNC;                /* Name context for pParse->pNewTable */
  int rc;

  assert( type==0 || pTab!=0 );
  assert( type==NC_IsCheck || type==NC_PartIdx || type==NC_IdxExpr || pTab==0 );
  memset(&sNC, 0, sizeof(sNC));
  memset(&sSrc, 0, sizeof(sSrc));
  if( pTab ){
    sSrc.nSrc = 1;
    sSrc.a[0].zName = pTab->zName;
    sSrc.a[0].pTab = pTab;
    sSrc.a[0].iCursor = -1;
  }
  sNC.pParse = pParse;
  sNC.pSrcList = &sSrc;
  sNC.ncFlags = type;
  if( (rc = sqlite3ResolveExprNames(&sNC, pExpr))!=SQLITE_OK ) return rc;
  if( pList ) rc = sqlite3ResolveExprListNames(&sNC, pList);
  return rc;
}
Changes to src/select.c.
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    regBase = regData - nPrefixReg;
  }else{
    regBase = pParse->nMem + 1;
    pParse->nMem += nBase;
  }
  assert( pSelect->iOffset==0 || pSelect->iLimit!=0 );
  iLimit = pSelect->iOffset ? pSelect->iOffset+1 : pSelect->iLimit;
  pSort->labelDone = sqlite3VdbeMakeLabel(v);
  sqlite3ExprCodeExprList(pParse, pSort->pOrderBy, regBase, regOrigData,
                          SQLITE_ECEL_DUP | (regOrigData? SQLITE_ECEL_REF : 0));
  if( bSeq ){
    sqlite3VdbeAddOp2(v, OP_Sequence, pSort->iECursor, regBase+nExpr);
  }
  if( nPrefixReg==0 && nData>0 ){
    sqlite3ExprCodeMove(pParse, regData, regBase+nExpr+bSeq, nData);







|







627
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    regBase = regData - nPrefixReg;
  }else{
    regBase = pParse->nMem + 1;
    pParse->nMem += nBase;
  }
  assert( pSelect->iOffset==0 || pSelect->iLimit!=0 );
  iLimit = pSelect->iOffset ? pSelect->iOffset+1 : pSelect->iLimit;
  pSort->labelDone = sqlite3VdbeMakeLabel(pParse);
  sqlite3ExprCodeExprList(pParse, pSort->pOrderBy, regBase, regOrigData,
                          SQLITE_ECEL_DUP | (regOrigData? SQLITE_ECEL_REF : 0));
  if( bSeq ){
    sqlite3VdbeAddOp2(v, OP_Sequence, pSort->iECursor, regBase+nExpr);
  }
  if( nPrefixReg==0 && nData>0 ){
    sqlite3ExprCodeMove(pParse, regData, regBase+nExpr+bSeq, nData);
666
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    memset(pKI->aSortOrder, 0, pKI->nKeyField); /* Makes OP_Jump testable */
    sqlite3VdbeChangeP4(v, -1, (char*)pKI, P4_KEYINFO);
    testcase( pKI->nAllField > pKI->nKeyField+2 );
    pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat,
                                           pKI->nAllField-pKI->nKeyField-1);
    addrJmp = sqlite3VdbeCurrentAddr(v);
    sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v);
    pSort->labelBkOut = sqlite3VdbeMakeLabel(v);
    pSort->regReturn = ++pParse->nMem;
    sqlite3VdbeAddOp2(v, OP_Gosub, pSort->regReturn, pSort->labelBkOut);
    sqlite3VdbeAddOp1(v, OP_ResetSorter, pSort->iECursor);
    if( iLimit ){
      sqlite3VdbeAddOp2(v, OP_IfNot, iLimit, pSort->labelDone);
      VdbeCoverage(v);
    }







|







666
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    memset(pKI->aSortOrder, 0, pKI->nKeyField); /* Makes OP_Jump testable */
    sqlite3VdbeChangeP4(v, -1, (char*)pKI, P4_KEYINFO);
    testcase( pKI->nAllField > pKI->nKeyField+2 );
    pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat,
                                           pKI->nAllField-pKI->nKeyField-1);
    addrJmp = sqlite3VdbeCurrentAddr(v);
    sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v);
    pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse);
    pSort->regReturn = ++pParse->nMem;
    sqlite3VdbeAddOp2(v, OP_Gosub, pSort->regReturn, pSort->labelBkOut);
    sqlite3VdbeAddOp1(v, OP_ResetSorter, pSort->iECursor);
    if( iLimit ){
      sqlite3VdbeAddOp2(v, OP_IfNot, iLimit, pSort->labelDone);
      VdbeCoverage(v);
    }
1413
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  Select *p,        /* The SELECT statement */
  SortCtx *pSort,   /* Information on the ORDER BY clause */
  int nColumn,      /* Number of columns of data */
  SelectDest *pDest /* Write the sorted results here */
){
  Vdbe *v = pParse->pVdbe;                     /* The prepared statement */
  int addrBreak = pSort->labelDone;            /* Jump here to exit loop */
  int addrContinue = sqlite3VdbeMakeLabel(v);  /* Jump here for next cycle */
  int addr;                       /* Top of output loop. Jump for Next. */
  int addrOnce = 0;
  int iTab;
  ExprList *pOrderBy = pSort->pOrderBy;
  int eDest = pDest->eDest;
  int iParm = pDest->iSDParm;
  int regRow;







|







1413
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1425
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  Select *p,        /* The SELECT statement */
  SortCtx *pSort,   /* Information on the ORDER BY clause */
  int nColumn,      /* Number of columns of data */
  SelectDest *pDest /* Write the sorted results here */
){
  Vdbe *v = pParse->pVdbe;                     /* The prepared statement */
  int addrBreak = pSort->labelDone;            /* Jump here to exit loop */
  int addrContinue = sqlite3VdbeMakeLabel(pParse);/* Jump here for next cycle */
  int addr;                       /* Top of output loop. Jump for Next. */
  int addrOnce = 0;
  int iTab;
  ExprList *pOrderBy = pSort->pOrderBy;
  int eDest = pDest->eDest;
  int iParm = pDest->iSDParm;
  int regRow;
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2334
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2339
  }
#endif

  /* Obtain authorization to do a recursive query */
  if( sqlite3AuthCheck(pParse, SQLITE_RECURSIVE, 0, 0, 0) ) return;

  /* Process the LIMIT and OFFSET clauses, if they exist */
  addrBreak = sqlite3VdbeMakeLabel(v);
  p->nSelectRow = 320;  /* 4 billion rows */
  computeLimitRegisters(pParse, p, addrBreak);
  pLimit = p->pLimit;
  regLimit = p->iLimit;
  regOffset = p->iOffset;
  p->pLimit = 0;
  p->iLimit = p->iOffset = 0;







|







2325
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  }
#endif

  /* Obtain authorization to do a recursive query */
  if( sqlite3AuthCheck(pParse, SQLITE_RECURSIVE, 0, 0, 0) ) return;

  /* Process the LIMIT and OFFSET clauses, if they exist */
  addrBreak = sqlite3VdbeMakeLabel(pParse);
  p->nSelectRow = 320;  /* 4 billion rows */
  computeLimitRegisters(pParse, p, addrBreak);
  pLimit = p->pLimit;
  regLimit = p->iLimit;
  regOffset = p->iOffset;
  p->pLimit = 0;
  p->iLimit = p->iOffset = 0;
2395
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2400
2401
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2404
2405
2406
2407
2408
2409
    sqlite3VdbeAddOp3(v, OP_Column, iQueue, pOrderBy->nExpr+1, regCurrent);
  }else{
    sqlite3VdbeAddOp2(v, OP_RowData, iQueue, regCurrent);
  }
  sqlite3VdbeAddOp1(v, OP_Delete, iQueue);

  /* Output the single row in Current */
  addrCont = sqlite3VdbeMakeLabel(v);
  codeOffset(v, regOffset, addrCont);
  selectInnerLoop(pParse, p, iCurrent,
      0, 0, pDest, addrCont, addrBreak);
  if( regLimit ){
    sqlite3VdbeAddOp2(v, OP_DecrJumpZero, regLimit, addrBreak);
    VdbeCoverage(v);
  }







|







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    sqlite3VdbeAddOp3(v, OP_Column, iQueue, pOrderBy->nExpr+1, regCurrent);
  }else{
    sqlite3VdbeAddOp2(v, OP_RowData, iQueue, regCurrent);
  }
  sqlite3VdbeAddOp1(v, OP_Delete, iQueue);

  /* Output the single row in Current */
  addrCont = sqlite3VdbeMakeLabel(pParse);
  codeOffset(v, regOffset, addrCont);
  selectInnerLoop(pParse, p, iCurrent,
      0, 0, pDest, addrCont, addrBreak);
  if( regLimit ){
    sqlite3VdbeAddOp2(v, OP_DecrJumpZero, regLimit, addrBreak);
    VdbeCoverage(v);
  }
2703
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2718
        /* Convert the data in the temporary table into whatever form
        ** it is that we currently need.
        */
        assert( unionTab==dest.iSDParm || dest.eDest!=priorOp );
        if( dest.eDest!=priorOp ){
          int iCont, iBreak, iStart;
          assert( p->pEList );
          iBreak = sqlite3VdbeMakeLabel(v);
          iCont = sqlite3VdbeMakeLabel(v);
          computeLimitRegisters(pParse, p, iBreak);
          sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); VdbeCoverage(v);
          iStart = sqlite3VdbeCurrentAddr(v);
          selectInnerLoop(pParse, p, unionTab,
                          0, 0, &dest, iCont, iBreak);
          sqlite3VdbeResolveLabel(v, iCont);
          sqlite3VdbeAddOp2(v, OP_Next, unionTab, iStart); VdbeCoverage(v);







|
|







2703
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2708
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2711
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2713
2714
2715
2716
2717
2718
        /* Convert the data in the temporary table into whatever form
        ** it is that we currently need.
        */
        assert( unionTab==dest.iSDParm || dest.eDest!=priorOp );
        if( dest.eDest!=priorOp ){
          int iCont, iBreak, iStart;
          assert( p->pEList );
          iBreak = sqlite3VdbeMakeLabel(pParse);
          iCont = sqlite3VdbeMakeLabel(pParse);
          computeLimitRegisters(pParse, p, iBreak);
          sqlite3VdbeAddOp2(v, OP_Rewind, unionTab, iBreak); VdbeCoverage(v);
          iStart = sqlite3VdbeCurrentAddr(v);
          selectInnerLoop(pParse, p, unionTab,
                          0, 0, &dest, iCont, iBreak);
          sqlite3VdbeResolveLabel(v, iCont);
          sqlite3VdbeAddOp2(v, OP_Next, unionTab, iStart); VdbeCoverage(v);
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2775
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2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
        sqlite3ExprDelete(db, p->pLimit);
        p->pLimit = pLimit;
  
        /* Generate code to take the intersection of the two temporary
        ** tables.
        */
        assert( p->pEList );
        iBreak = sqlite3VdbeMakeLabel(v);
        iCont = sqlite3VdbeMakeLabel(v);
        computeLimitRegisters(pParse, p, iBreak);
        sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); VdbeCoverage(v);
        r1 = sqlite3GetTempReg(pParse);
        iStart = sqlite3VdbeAddOp2(v, OP_RowData, tab1, r1);
        sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0);
        VdbeCoverage(v);
        sqlite3ReleaseTempReg(pParse, r1);







|
|







2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
        sqlite3ExprDelete(db, p->pLimit);
        p->pLimit = pLimit;
  
        /* Generate code to take the intersection of the two temporary
        ** tables.
        */
        assert( p->pEList );
        iBreak = sqlite3VdbeMakeLabel(pParse);
        iCont = sqlite3VdbeMakeLabel(pParse);
        computeLimitRegisters(pParse, p, iBreak);
        sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); VdbeCoverage(v);
        r1 = sqlite3GetTempReg(pParse);
        iStart = sqlite3VdbeAddOp2(v, OP_RowData, tab1, r1);
        sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0);
        VdbeCoverage(v);
        sqlite3ReleaseTempReg(pParse, r1);
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
  int iBreak              /* Jump here if we hit the LIMIT */
){
  Vdbe *v = pParse->pVdbe;
  int iContinue;
  int addr;

  addr = sqlite3VdbeCurrentAddr(v);
  iContinue = sqlite3VdbeMakeLabel(v);

  /* Suppress duplicates for UNION, EXCEPT, and INTERSECT 
  */
  if( regPrev ){
    int addr1, addr2;
    addr1 = sqlite3VdbeAddOp1(v, OP_IfNot, regPrev); VdbeCoverage(v);
    addr2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iSdst, regPrev+1, pIn->nSdst,







|







2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
  int iBreak              /* Jump here if we hit the LIMIT */
){
  Vdbe *v = pParse->pVdbe;
  int iContinue;
  int addr;

  addr = sqlite3VdbeCurrentAddr(v);
  iContinue = sqlite3VdbeMakeLabel(pParse);

  /* Suppress duplicates for UNION, EXCEPT, and INTERSECT 
  */
  if( regPrev ){
    int addr1, addr2;
    addr1 = sqlite3VdbeAddOp1(v, OP_IfNot, regPrev); VdbeCoverage(v);
    addr2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iSdst, regPrev+1, pIn->nSdst,
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
  int *aPermute;        /* Mapping from ORDER BY terms to result set columns */

  assert( p->pOrderBy!=0 );
  assert( pKeyDup==0 ); /* "Managed" code needs this.  Ticket #3382. */
  db = pParse->db;
  v = pParse->pVdbe;
  assert( v!=0 );       /* Already thrown the error if VDBE alloc failed */
  labelEnd = sqlite3VdbeMakeLabel(v);
  labelCmpr = sqlite3VdbeMakeLabel(v);


  /* Patch up the ORDER BY clause
  */
  op = p->op;  
  pPrior = p->pPrior;
  assert( pPrior->pOrderBy==0 );







|
|







3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
  int *aPermute;        /* Mapping from ORDER BY terms to result set columns */

  assert( p->pOrderBy!=0 );
  assert( pKeyDup==0 ); /* "Managed" code needs this.  Ticket #3382. */
  db = pParse->db;
  v = pParse->pVdbe;
  assert( v!=0 );       /* Already thrown the error if VDBE alloc failed */
  labelEnd = sqlite3VdbeMakeLabel(pParse);
  labelCmpr = sqlite3VdbeMakeLabel(pParse);


  /* Patch up the ORDER BY clause
  */
  op = p->op;  
  pPrior = p->pPrior;
  assert( pPrior->pOrderBy==0 );
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
      regAgg = sqlite3GetTempRange(pParse, nArg);
      sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP);
    }else{
      nArg = 0;
      regAgg = 0;
    }
    if( pF->iDistinct>=0 ){
      addrNext = sqlite3VdbeMakeLabel(v);
      testcase( nArg==0 );  /* Error condition */
      testcase( nArg>1 );   /* Also an error */
      codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg);
    }
    if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
      CollSeq *pColl = 0;
      struct ExprList_item *pItem;







|







5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
      regAgg = sqlite3GetTempRange(pParse, nArg);
      sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP);
    }else{
      nArg = 0;
      regAgg = 0;
    }
    if( pF->iDistinct>=0 ){
      addrNext = sqlite3VdbeMakeLabel(pParse);
      testcase( nArg==0 );  /* Error condition */
      testcase( nArg>1 );   /* Also an error */
      codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg);
    }
    if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
      CollSeq *pColl = 0;
      struct ExprList_item *pItem;
5462
5463
5464
5465
5466
5467
5468

5469
5470
5471
5472
5473






5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
*/
static struct SrcList_item *isSelfJoinView(
  SrcList *pTabList,           /* Search for self-joins in this FROM clause */
  struct SrcList_item *pThis   /* Search for prior reference to this subquery */
){
  struct SrcList_item *pItem;
  for(pItem = pTabList->a; pItem<pThis; pItem++){

    if( pItem->pSelect==0 ) continue;
    if( pItem->fg.viaCoroutine ) continue;
    if( pItem->zName==0 ) continue;
    if( sqlite3_stricmp(pItem->zDatabase, pThis->zDatabase)!=0 ) continue;
    if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue;






    if( sqlite3ExprCompare(0, 
          pThis->pSelect->pWhere, pItem->pSelect->pWhere, -1) 
    ){
      /* The view was modified by some other optimization such as
      ** pushDownWhereTerms() */
      continue;
    }
    return pItem;
  }
  return 0;







>





>
>
>
>
>
>
|
<
<







5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481


5482
5483
5484
5485
5486
5487
5488
*/
static struct SrcList_item *isSelfJoinView(
  SrcList *pTabList,           /* Search for self-joins in this FROM clause */
  struct SrcList_item *pThis   /* Search for prior reference to this subquery */
){
  struct SrcList_item *pItem;
  for(pItem = pTabList->a; pItem<pThis; pItem++){
    Select *pS1;
    if( pItem->pSelect==0 ) continue;
    if( pItem->fg.viaCoroutine ) continue;
    if( pItem->zName==0 ) continue;
    if( sqlite3_stricmp(pItem->zDatabase, pThis->zDatabase)!=0 ) continue;
    if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue;
    pS1 = pItem->pSelect;
    if( pThis->pSelect->selId!=pS1->selId ){
      /* The query flattener left two different CTE tables with identical
      ** names in the same FROM clause. */
      continue;
    }
    if( sqlite3ExprCompare(0, pThis->pSelect->pWhere, pS1->pWhere, -1) ){


      /* The view was modified by some other optimization such as
      ** pushDownWhereTerms() */
      continue;
    }
    return pItem;
  }
  return 0;
5826
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5828
5829
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5832
5833
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5836
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5839
5840
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5852
5853
5854
5855

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
    /* Generate code for all sub-queries in the FROM clause
    */
    pSub = pItem->pSelect;
    if( pSub==0 ) continue;

    /* Sometimes the code for a subquery will be generated more than
    ** once, if the subquery is part of the WHERE clause in a LEFT JOIN,
    ** for example.  In that case, do not regenerate the code to manifest
    ** a view or the co-routine to implement a view.  The first instance
    ** is sufficient, though the subroutine to manifest the view does need
    ** to be invoked again. */
    if( pItem->addrFillSub ){
      if( pItem->fg.viaCoroutine==0 ){
        /* The subroutine that manifests the view might be a one-time routine,
        ** or it might need to be rerun on each iteration because it
        ** encodes a correlated subquery. */
        testcase( sqlite3VdbeGetOp(v, pItem->addrFillSub)->opcode==OP_Once );
        sqlite3VdbeAddOp2(v, OP_Gosub, pItem->regReturn, pItem->addrFillSub);
      }
      continue;
    }

    /* Increment Parse.nHeight by the height of the largest expression
    ** tree referred to by this, the parent select. The child select
    ** may contain expression trees of at most
    ** (SQLITE_MAX_EXPR_DEPTH-Parse.nHeight) height. This is a bit
    ** more conservative than necessary, but much easier than enforcing
    ** an exact limit.







|
|
|
|
<
|
|
<
<
<
<
<
<
<
<
<







5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841

5842
5843









5844
5845
5846
5847
5848
5849
5850

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
    /* Generate code for all sub-queries in the FROM clause
    */
    pSub = pItem->pSelect;
    if( pSub==0 ) continue;

    /* The code for a subquery should only be generated once, though it is
    ** technically harmless for it to be generated multiple times. The
    ** following assert() will detect if something changes to cause
    ** the same subquery to be coded multiple times, as a signal to the

    ** developers to try to optimize the situation. */
    assert( pItem->addrFillSub==0 );










    /* Increment Parse.nHeight by the height of the largest expression
    ** tree referred to by this, the parent select. The child select
    ** may contain expression trees of at most
    ** (SQLITE_MAX_EXPR_DEPTH-Parse.nHeight) height. This is a bit
    ** more conservative than necessary, but much easier than enforcing
    ** an exact limit.
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
6039
6040
6041
6042
6043
  */
  if( pDest->eDest==SRT_EphemTab ){
    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pDest->iSDParm, pEList->nExpr);
  }

  /* Set the limiter.
  */
  iEnd = sqlite3VdbeMakeLabel(v);
  if( (p->selFlags & SF_FixedLimit)==0 ){
    p->nSelectRow = 320;  /* 4 billion rows */
  }
  computeLimitRegisters(pParse, p, iEnd);
  if( p->iLimit==0 && sSort.addrSortIndex>=0 ){
    sqlite3VdbeChangeOpcode(v, sSort.addrSortIndex, OP_SorterOpen);
    sSort.sortFlags |= SORTFLAG_UseSorter;







|







6024
6025
6026
6027
6028
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
  */
  if( pDest->eDest==SRT_EphemTab ){
    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pDest->iSDParm, pEList->nExpr);
  }

  /* Set the limiter.
  */
  iEnd = sqlite3VdbeMakeLabel(pParse);
  if( (p->selFlags & SF_FixedLimit)==0 ){
    p->nSelectRow = 320;  /* 4 billion rows */
  }
  computeLimitRegisters(pParse, p, iEnd);
  if( p->iLimit==0 && sSort.addrSortIndex>=0 ){
    sqlite3VdbeChangeOpcode(v, sSort.addrSortIndex, OP_SorterOpen);
    sSort.sortFlags |= SORTFLAG_UseSorter;
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
    if( sSort.addrSortIndex>=0 && sSort.pOrderBy==0 ){
      sqlite3VdbeChangeToNoop(v, sSort.addrSortIndex);
    }

    assert( p->pEList==pEList );
#ifndef SQLITE_OMIT_WINDOWFUNC
    if( pWin ){
      int addrGosub = sqlite3VdbeMakeLabel(v);
      int iCont = sqlite3VdbeMakeLabel(v);
      int iBreak = sqlite3VdbeMakeLabel(v);
      int regGosub = ++pParse->nMem;

      sqlite3WindowCodeStep(pParse, p, pWInfo, regGosub, addrGosub);

      sqlite3VdbeAddOp2(v, OP_Goto, 0, iBreak);
      sqlite3VdbeResolveLabel(v, addrGosub);
      VdbeNoopComment((v, "inner-loop subroutine"));







|
|
|







6091
6092
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
    if( sSort.addrSortIndex>=0 && sSort.pOrderBy==0 ){
      sqlite3VdbeChangeToNoop(v, sSort.addrSortIndex);
    }

    assert( p->pEList==pEList );
#ifndef SQLITE_OMIT_WINDOWFUNC
    if( pWin ){
      int addrGosub = sqlite3VdbeMakeLabel(pParse);
      int iCont = sqlite3VdbeMakeLabel(pParse);
      int iBreak = sqlite3VdbeMakeLabel(pParse);
      int regGosub = ++pParse->nMem;

      sqlite3WindowCodeStep(pParse, p, pWInfo, regGosub, addrGosub);

      sqlite3VdbeAddOp2(v, OP_Goto, 0, iBreak);
      sqlite3VdbeResolveLabel(v, addrGosub);
      VdbeNoopComment((v, "inner-loop subroutine"));
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
    ** ORDER BY and GROUP BY clauses are the same by setting the orderByGrp
    ** variable.  */
    if( sqlite3ExprListCompare(pGroupBy, sSort.pOrderBy, -1)==0 ){
      orderByGrp = 1;
    }
 
    /* Create a label to jump to when we want to abort the query */
    addrEnd = sqlite3VdbeMakeLabel(v);

    /* Convert TK_COLUMN nodes into TK_AGG_COLUMN and make entries in
    ** sAggInfo for all TK_AGG_FUNCTION nodes in expressions of the
    ** SELECT statement.
    */
    memset(&sNC, 0, sizeof(sNC));
    sNC.pParse = pParse;







|







6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
    ** ORDER BY and GROUP BY clauses are the same by setting the orderByGrp
    ** variable.  */
    if( sqlite3ExprListCompare(pGroupBy, sSort.pOrderBy, -1)==0 ){
      orderByGrp = 1;
    }
 
    /* Create a label to jump to when we want to abort the query */
    addrEnd = sqlite3VdbeMakeLabel(pParse);

    /* Convert TK_COLUMN nodes into TK_AGG_COLUMN and make entries in
    ** sAggInfo for all TK_AGG_FUNCTION nodes in expressions of the
    ** SELECT statement.
    */
    memset(&sNC, 0, sizeof(sNC));
    sNC.pParse = pParse;
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
          0, (char*)pKeyInfo, P4_KEYINFO);

      /* Initialize memory locations used by GROUP BY aggregate processing
      */
      iUseFlag = ++pParse->nMem;
      iAbortFlag = ++pParse->nMem;
      regOutputRow = ++pParse->nMem;
      addrOutputRow = sqlite3VdbeMakeLabel(v);
      regReset = ++pParse->nMem;
      addrReset = sqlite3VdbeMakeLabel(v);
      iAMem = pParse->nMem + 1;
      pParse->nMem += pGroupBy->nExpr;
      iBMem = pParse->nMem + 1;
      pParse->nMem += pGroupBy->nExpr;
      sqlite3VdbeAddOp2(v, OP_Integer, 0, iAbortFlag);
      VdbeComment((v, "clear abort flag"));
      sqlite3VdbeAddOp3(v, OP_Null, 0, iAMem, iAMem+pGroupBy->nExpr-1);







|

|







6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
          0, (char*)pKeyInfo, P4_KEYINFO);

      /* Initialize memory locations used by GROUP BY aggregate processing
      */
      iUseFlag = ++pParse->nMem;
      iAbortFlag = ++pParse->nMem;
      regOutputRow = ++pParse->nMem;
      addrOutputRow = sqlite3VdbeMakeLabel(pParse);
      regReset = ++pParse->nMem;
      addrReset = sqlite3VdbeMakeLabel(pParse);
      iAMem = pParse->nMem + 1;
      pParse->nMem += pGroupBy->nExpr;
      iBMem = pParse->nMem + 1;
      pParse->nMem += pGroupBy->nExpr;
      sqlite3VdbeAddOp2(v, OP_Integer, 0, iAbortFlag);
      VdbeComment((v, "clear abort flag"));
      sqlite3VdbeAddOp3(v, OP_Null, 0, iAMem, iAMem+pGroupBy->nExpr-1);
Changes to src/sqliteInt.h.
2481
2482
2483
2484
2485
2486
2487




2488
2489
2490
2491
2492
2493
2494
                         ** TK_COLUMN: the value of p5 for OP_Column
                         ** TK_AGG_FUNCTION: nesting depth */
  AggInfo *pAggInfo;     /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */
  union {
    Table *pTab;           /* TK_COLUMN: Table containing column. Can be NULL
                           ** for a column of an index on an expression */
    Window *pWin;          /* TK_FUNCTION: Window definition for the func */




  } y;
};

/*
** The following are the meanings of bits in the Expr.flags field.
*/
#define EP_FromJoin  0x000001 /* Originates in ON/USING clause of outer join */







>
>
>
>







2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
                         ** TK_COLUMN: the value of p5 for OP_Column
                         ** TK_AGG_FUNCTION: nesting depth */
  AggInfo *pAggInfo;     /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */
  union {
    Table *pTab;           /* TK_COLUMN: Table containing column. Can be NULL
                           ** for a column of an index on an expression */
    Window *pWin;          /* TK_FUNCTION: Window definition for the func */
    struct {               /* TK_IN, TK_SELECT, and TK_EXISTS */
      int iAddr;             /* Subroutine entry address */
      int regReturn;         /* Register used to hold return address */
    } sub;
  } y;
};

/*
** The following are the meanings of bits in the Expr.flags field.
*/
#define EP_FromJoin  0x000001 /* Originates in ON/USING clause of outer join */
2512
2513
2514
2515
2516
2517
2518

2519
2520
2521
2522
2523
2524
2525
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */
#define EP_Alias     0x400000 /* Is an alias for a result set column */
#define EP_Leaf      0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */
#define EP_WinFunc  0x1000000 /* TK_FUNCTION with Expr.y.pWin set */


/*
** The EP_Propagate mask is a set of properties that automatically propagate
** upwards into parent nodes.
*/
#define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc)








>







2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */
#define EP_Alias     0x400000 /* Is an alias for a result set column */
#define EP_Leaf      0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */
#define EP_WinFunc  0x1000000 /* TK_FUNCTION with Expr.y.pWin set */
#define EP_Subrtn   0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */

/*
** The EP_Propagate mask is a set of properties that automatically propagate
** upwards into parent nodes.
*/
#define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc)

3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072

3073
3074
3075
3076
3077
3078
3079
  u8 disableLookaside; /* Number of times lookaside has been disabled */
  u8 disableVtab;      /* Disable all virtual tables for this parse */
  int nRangeReg;       /* Size of the temporary register block */
  int iRangeReg;       /* First register in temporary register block */
  int nErr;            /* Number of errors seen */
  int nTab;            /* Number of previously allocated VDBE cursors */
  int nMem;            /* Number of memory cells used so far */
  int nOpAlloc;        /* Number of slots allocated for Vdbe.aOp[] */
  int szOpAlloc;       /* Bytes of memory space allocated for Vdbe.aOp[] */
  int iSelfTab;        /* Table associated with an index on expr, or negative
                       ** of the base register during check-constraint eval */
  int nLabel;          /* Number of labels used */

  int *aLabel;         /* Space to hold the labels */
  ExprList *pConstExpr;/* Constant expressions */
  Token constraintName;/* Name of the constraint currently being parsed */
  yDbMask writeMask;   /* Start a write transaction on these databases */
  yDbMask cookieMask;  /* Bitmask of schema verified databases */
  int regRowid;        /* Register holding rowid of CREATE TABLE entry */
  int regRoot;         /* Register holding root page number for new objects */







<



|
>







3066
3067
3068
3069
3070
3071
3072

3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
  u8 disableLookaside; /* Number of times lookaside has been disabled */
  u8 disableVtab;      /* Disable all virtual tables for this parse */
  int nRangeReg;       /* Size of the temporary register block */
  int iRangeReg;       /* First register in temporary register block */
  int nErr;            /* Number of errors seen */
  int nTab;            /* Number of previously allocated VDBE cursors */
  int nMem;            /* Number of memory cells used so far */

  int szOpAlloc;       /* Bytes of memory space allocated for Vdbe.aOp[] */
  int iSelfTab;        /* Table associated with an index on expr, or negative
                       ** of the base register during check-constraint eval */
  int nLabel;          /* The *negative* of the number of labels used */
  int nLabelAlloc;     /* Number of slots in aLabel */
  int *aLabel;         /* Space to hold the labels */
  ExprList *pConstExpr;/* Constant expressions */
  Token constraintName;/* Name of the constraint currently being parsed */
  yDbMask writeMask;   /* Start a write transaction on these databases */
  yDbMask cookieMask;  /* Bitmask of schema verified databases */
  int regRowid;        /* Register holding rowid of CREATE TABLE entry */
  int regRoot;         /* Register holding root page number for new objects */
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
void sqlite3Reindex(Parse*, Token*, Token*);
void sqlite3AlterFunctions(void);
void sqlite3AlterRenameTable(Parse*, SrcList*, Token*);
void sqlite3AlterRenameColumn(Parse*, SrcList*, Token*, Token*);
int sqlite3GetToken(const unsigned char *, int *);
void sqlite3NestedParse(Parse*, const char*, ...);
void sqlite3ExpirePreparedStatements(sqlite3*, int);
void sqlite3CodeRhsOfIN(Parse*, Expr*, int);
int sqlite3CodeSubselect(Parse*, Expr*);
void sqlite3SelectPrep(Parse*, Select*, NameContext*);
void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p);
int sqlite3MatchSpanName(const char*, const char*, const char*, const char*);
int sqlite3ResolveExprNames(NameContext*, Expr*);
int sqlite3ResolveExprListNames(NameContext*, ExprList*);
void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*);
void sqlite3ResolveSelfReference(Parse*,Table*,int,Expr*,ExprList*);
int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*);
void sqlite3ColumnDefault(Vdbe *, Table *, int, int);
void sqlite3AlterFinishAddColumn(Parse *, Token *);
void sqlite3AlterBeginAddColumn(Parse *, SrcList *);
void *sqlite3RenameTokenMap(Parse*, void*, Token*);
void sqlite3RenameTokenRemap(Parse*, void *pTo, void *pFrom);
void sqlite3RenameExprUnmap(Parse*, Expr*);







|







|







4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
void sqlite3Reindex(Parse*, Token*, Token*);
void sqlite3AlterFunctions(void);
void sqlite3AlterRenameTable(Parse*, SrcList*, Token*);
void sqlite3AlterRenameColumn(Parse*, SrcList*, Token*, Token*);
int sqlite3GetToken(const unsigned char *, int *);
void sqlite3NestedParse(Parse*, const char*, ...);
void sqlite3ExpirePreparedStatements(sqlite3*, int);
void sqlite3CodeRhsOfIN(Parse*, Expr*, int, int);
int sqlite3CodeSubselect(Parse*, Expr*);
void sqlite3SelectPrep(Parse*, Select*, NameContext*);
void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p);
int sqlite3MatchSpanName(const char*, const char*, const char*, const char*);
int sqlite3ResolveExprNames(NameContext*, Expr*);
int sqlite3ResolveExprListNames(NameContext*, ExprList*);
void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*);
int sqlite3ResolveSelfReference(Parse*,Table*,int,Expr*,ExprList*);
int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*);
void sqlite3ColumnDefault(Vdbe *, Table *, int, int);
void sqlite3AlterFinishAddColumn(Parse *, Token *);
void sqlite3AlterBeginAddColumn(Parse *, SrcList *);
void *sqlite3RenameTokenMap(Parse*, void*, Token*);
void sqlite3RenameTokenRemap(Parse*, void *pTo, void *pFrom);
void sqlite3RenameExprUnmap(Parse*, Expr*);
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
#define IN_INDEX_NOOP         5   /* No table available. Use comparisons */
/*
** Allowed flags for the 3rd parameter to sqlite3FindInIndex().
*/
#define IN_INDEX_NOOP_OK     0x0001  /* OK to return IN_INDEX_NOOP */
#define IN_INDEX_MEMBERSHIP  0x0002  /* IN operator used for membership test */
#define IN_INDEX_LOOP        0x0004  /* IN operator used as a loop */
int sqlite3FindInIndex(Parse *, Expr *, u32, int*, int*);

int sqlite3JournalOpen(sqlite3_vfs *, const char *, sqlite3_file *, int, int);
int sqlite3JournalSize(sqlite3_vfs *);
#if defined(SQLITE_ENABLE_ATOMIC_WRITE) \
 || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
  int sqlite3JournalCreate(sqlite3_file *);
#endif







|







4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
#define IN_INDEX_NOOP         5   /* No table available. Use comparisons */
/*
** Allowed flags for the 3rd parameter to sqlite3FindInIndex().
*/
#define IN_INDEX_NOOP_OK     0x0001  /* OK to return IN_INDEX_NOOP */
#define IN_INDEX_MEMBERSHIP  0x0002  /* IN operator used for membership test */
#define IN_INDEX_LOOP        0x0004  /* IN operator used as a loop */
int sqlite3FindInIndex(Parse *, Expr *, u32, int*, int*, int*);

int sqlite3JournalOpen(sqlite3_vfs *, const char *, sqlite3_file *, int, int);
int sqlite3JournalSize(sqlite3_vfs *);
#if defined(SQLITE_ENABLE_ATOMIC_WRITE) \
 || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
  int sqlite3JournalCreate(sqlite3_file *);
#endif
Changes to src/treeview.c.
134
135
136
137
138
139
140
141

142
143
144
145
146
147
148
    sqlite3_str_appendf(&x, "{%d,*}", pItem->iCursor);
    if( pItem->zDatabase ){
      sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName);
    }else if( pItem->zName ){
      sqlite3_str_appendf(&x, " %s", pItem->zName);
    }
    if( pItem->pTab ){
      sqlite3_str_appendf(&x, " tabname=%Q", pItem->pTab->zName);

    }
    if( pItem->zAlias ){
      sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias);
    }
    if( pItem->fg.jointype & JT_LEFT ){
      sqlite3_str_appendf(&x, " LEFT-JOIN");
    }







|
>







134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
    sqlite3_str_appendf(&x, "{%d,*}", pItem->iCursor);
    if( pItem->zDatabase ){
      sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName);
    }else if( pItem->zName ){
      sqlite3_str_appendf(&x, " %s", pItem->zName);
    }
    if( pItem->pTab ){
      sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p",
           pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab);
    }
    if( pItem->zAlias ){
      sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias);
    }
    if( pItem->fg.jointype & JT_LEFT ){
      sqlite3_str_appendf(&x, " LEFT-JOIN");
    }
Changes to src/trigger.c.
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
    ** (or NULL) the sub-vdbe is immediately halted by jumping to the 
    ** OP_Halt inserted at the end of the program.  */
    if( pTrigger->pWhen ){
      pWhen = sqlite3ExprDup(db, pTrigger->pWhen, 0);
      if( SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) 
       && db->mallocFailed==0 
      ){
        iEndTrigger = sqlite3VdbeMakeLabel(v);
        sqlite3ExprIfFalse(pSubParse, pWhen, iEndTrigger, SQLITE_JUMPIFNULL);
      }
      sqlite3ExprDelete(db, pWhen);
    }

    /* Code the trigger program into the sub-vdbe. */
    codeTriggerProgram(pSubParse, pTrigger->step_list, orconf);







|







940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
    ** (or NULL) the sub-vdbe is immediately halted by jumping to the 
    ** OP_Halt inserted at the end of the program.  */
    if( pTrigger->pWhen ){
      pWhen = sqlite3ExprDup(db, pTrigger->pWhen, 0);
      if( SQLITE_OK==sqlite3ResolveExprNames(&sNC, pWhen) 
       && db->mallocFailed==0 
      ){
        iEndTrigger = sqlite3VdbeMakeLabel(pSubParse);
        sqlite3ExprIfFalse(pSubParse, pWhen, iEndTrigger, SQLITE_JUMPIFNULL);
      }
      sqlite3ExprDelete(db, pWhen);
    }

    /* Code the trigger program into the sub-vdbe. */
    codeTriggerProgram(pSubParse, pTrigger->step_list, orconf);
Changes to src/update.c.
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
    updateVirtualTable(pParse, pTabList, pTab, pChanges, pRowidExpr, aXRef,
                       pWhere, onError);
    goto update_cleanup;
  }
#endif

  /* Jump to labelBreak to abandon further processing of this UPDATE */
  labelContinue = labelBreak = sqlite3VdbeMakeLabel(v);

  /* Not an UPSERT.  Normal processing.  Begin by
  ** initialize the count of updated rows */
  if( (db->flags&SQLITE_CountRows)!=0
   && !pParse->pTriggerTab
   && !pParse->nested
   && pUpsert==0







|







437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
    updateVirtualTable(pParse, pTabList, pTab, pChanges, pRowidExpr, aXRef,
                       pWhere, onError);
    goto update_cleanup;
  }
#endif

  /* Jump to labelBreak to abandon further processing of this UPDATE */
  labelContinue = labelBreak = sqlite3VdbeMakeLabel(pParse);

  /* Not an UPSERT.  Normal processing.  Begin by
  ** initialize the count of updated rows */
  if( (db->flags&SQLITE_CountRows)!=0
   && !pParse->pTriggerTab
   && !pParse->nested
   && pUpsert==0
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
    if( eOnePass!=ONEPASS_OFF ){
      if( !isView && aiCurOnePass[0]!=iDataCur && aiCurOnePass[1]!=iDataCur ){
        assert( pPk );
        sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelBreak, regKey,nKey);
        VdbeCoverage(v);
      }
      if( eOnePass!=ONEPASS_SINGLE ){
        labelContinue = sqlite3VdbeMakeLabel(v);
      }
      sqlite3VdbeAddOp2(v, OP_IsNull, pPk ? regKey : regOldRowid, labelBreak);
      VdbeCoverageIf(v, pPk==0);
      VdbeCoverageIf(v, pPk!=0);
    }else if( pPk ){
      labelContinue = sqlite3VdbeMakeLabel(v);
      sqlite3VdbeAddOp2(v, OP_Rewind, iEph, labelBreak); VdbeCoverage(v);
      addrTop = sqlite3VdbeAddOp2(v, OP_RowData, iEph, regKey);
      sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue, regKey, 0);
      VdbeCoverage(v);
    }else{
      labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet,labelBreak,
                               regOldRowid);







|





|







572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
    if( eOnePass!=ONEPASS_OFF ){
      if( !isView && aiCurOnePass[0]!=iDataCur && aiCurOnePass[1]!=iDataCur ){
        assert( pPk );
        sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelBreak, regKey,nKey);
        VdbeCoverage(v);
      }
      if( eOnePass!=ONEPASS_SINGLE ){
        labelContinue = sqlite3VdbeMakeLabel(pParse);
      }
      sqlite3VdbeAddOp2(v, OP_IsNull, pPk ? regKey : regOldRowid, labelBreak);
      VdbeCoverageIf(v, pPk==0);
      VdbeCoverageIf(v, pPk!=0);
    }else if( pPk ){
      labelContinue = sqlite3VdbeMakeLabel(pParse);
      sqlite3VdbeAddOp2(v, OP_Rewind, iEph, labelBreak); VdbeCoverage(v);
      addrTop = sqlite3VdbeAddOp2(v, OP_RowData, iEph, regKey);
      sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue, regKey, 0);
      VdbeCoverage(v);
    }else{
      labelContinue = sqlite3VdbeAddOp3(v, OP_RowSetRead, regRowSet,labelBreak,
                               regOldRowid);
Changes to src/vacuum.c.
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
    ** legacy applications. */
    iDb = sqlite3FindDb(pParse->db, pNm);
    if( iDb<0 ) iDb = 0;
#endif
  }
  if( iDb!=1 ){
    int iIntoReg = 0;
    if( pInto ){
      iIntoReg = ++pParse->nMem;
      sqlite3ExprCode(pParse, pInto, iIntoReg);
    }
    sqlite3VdbeAddOp2(v, OP_Vacuum, iDb, iIntoReg);
    sqlite3VdbeUsesBtree(v, iDb);
  }
build_vacuum_end:







|







120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
    ** legacy applications. */
    iDb = sqlite3FindDb(pParse->db, pNm);
    if( iDb<0 ) iDb = 0;
#endif
  }
  if( iDb!=1 ){
    int iIntoReg = 0;
    if( pInto && sqlite3ResolveSelfReference(pParse,0,0,pInto,0)==0 ){
      iIntoReg = ++pParse->nMem;
      sqlite3ExprCode(pParse, pInto, iIntoReg);
    }
    sqlite3VdbeAddOp2(v, OP_Vacuum, iDb, iIntoReg);
    sqlite3VdbeUsesBtree(v, iDb);
  }
build_vacuum_end:
Changes to src/vdbe.c.
236
237
238
239
240
241
242





243
244
245
246
247
248
249
  VdbeCursor *pCx = 0;
  nByte = 
      ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + 
      (eCurType==CURTYPE_BTREE?sqlite3BtreeCursorSize():0);

  assert( iCur>=0 && iCur<p->nCursor );
  if( p->apCsr[iCur] ){ /*OPTIMIZATION-IF-FALSE*/





    sqlite3VdbeFreeCursor(p, p->apCsr[iCur]);
    p->apCsr[iCur] = 0;
  }
  if( SQLITE_OK==sqlite3VdbeMemClearAndResize(pMem, nByte) ){
    p->apCsr[iCur] = pCx = (VdbeCursor*)pMem->z;
    memset(pCx, 0, offsetof(VdbeCursor,pAltCursor));
    pCx->eCurType = eCurType;







>
>
>
>
>







236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
  VdbeCursor *pCx = 0;
  nByte = 
      ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField + 
      (eCurType==CURTYPE_BTREE?sqlite3BtreeCursorSize():0);

  assert( iCur>=0 && iCur<p->nCursor );
  if( p->apCsr[iCur] ){ /*OPTIMIZATION-IF-FALSE*/
    /* Before calling sqlite3VdbeFreeCursor(), ensure the isEphemeral flag
    ** is clear. Otherwise, if this is an ephemeral cursor created by 
    ** OP_OpenDup, the cursor will not be closed and will still be part
    ** of a BtShared.pCursor list.  */
    p->apCsr[iCur]->isEphemeral = 0;
    sqlite3VdbeFreeCursor(p, p->apCsr[iCur]);
    p->apCsr[iCur] = 0;
  }
  if( SQLITE_OK==sqlite3VdbeMemClearAndResize(pMem, nByte) ){
    p->apCsr[iCur] = pCx = (VdbeCursor*)pMem->z;
    memset(pCx, 0, offsetof(VdbeCursor,pAltCursor));
    pCx->eCurType = eCurType;
3606
3607
3608
3609
3610
3611
3612

3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629



3630
3631
3632
3633
3634
3635
3636

  pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE);
  if( pCx==0 ) goto no_mem;
  pCx->nullRow = 1;
  pCx->isEphemeral = 1;
  pCx->pKeyInfo = pOrig->pKeyInfo;
  pCx->isTable = pOrig->isTable;

  rc = sqlite3BtreeCursor(pOrig->pBtx, MASTER_ROOT, BTREE_WRCSR,
                          pCx->pKeyInfo, pCx->uc.pCursor);
  /* The sqlite3BtreeCursor() routine can only fail for the first cursor
  ** opened for a database.  Since there is already an open cursor when this
  ** opcode is run, the sqlite3BtreeCursor() cannot fail */
  assert( rc==SQLITE_OK );
  break;
}


/* Opcode: OpenEphemeral P1 P2 * P4 P5
** Synopsis: nColumn=P2
**
** Open a new cursor P1 to a transient table.
** The cursor is always opened read/write even if 
** the main database is read-only.  The ephemeral
** table is deleted automatically when the cursor is closed.



**
** P2 is the number of columns in the ephemeral table.
** The cursor points to a BTree table if P4==0 and to a BTree index
** if P4 is not 0.  If P4 is not NULL, it points to a KeyInfo structure
** that defines the format of keys in the index.
**
** The P5 parameter can be a mask of the BTREE_* flags defined







>
|
















>
>
>







3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645

  pCx = allocateCursor(p, pOp->p1, pOrig->nField, -1, CURTYPE_BTREE);
  if( pCx==0 ) goto no_mem;
  pCx->nullRow = 1;
  pCx->isEphemeral = 1;
  pCx->pKeyInfo = pOrig->pKeyInfo;
  pCx->isTable = pOrig->isTable;
  pCx->pgnoRoot = pOrig->pgnoRoot;
  rc = sqlite3BtreeCursor(pOrig->pBtx, pCx->pgnoRoot, BTREE_WRCSR,
                          pCx->pKeyInfo, pCx->uc.pCursor);
  /* The sqlite3BtreeCursor() routine can only fail for the first cursor
  ** opened for a database.  Since there is already an open cursor when this
  ** opcode is run, the sqlite3BtreeCursor() cannot fail */
  assert( rc==SQLITE_OK );
  break;
}


/* Opcode: OpenEphemeral P1 P2 * P4 P5
** Synopsis: nColumn=P2
**
** Open a new cursor P1 to a transient table.
** The cursor is always opened read/write even if 
** the main database is read-only.  The ephemeral
** table is deleted automatically when the cursor is closed.
**
** If the cursor P1 is already opened on an ephermal table, the table
** is cleared (all content is erased).
**
** P2 is the number of columns in the ephemeral table.
** The cursor points to a BTree table if P4==0 and to a BTree index
** if P4 is not 0.  If P4 is not NULL, it points to a KeyInfo structure
** that defines the format of keys in the index.
**
** The P5 parameter can be a mask of the BTREE_* flags defined
3655
3656
3657
3658
3659
3660
3661






3662
3663
3664
3665
3666
3667

3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680

3681
3682
3683
3684
3685
3686
3687
3688
3689

3690
3691
3692
3693
3694
3695
3696


3697
3698
3699
3700
3701
3702
3703
      SQLITE_OPEN_READWRITE |
      SQLITE_OPEN_CREATE |
      SQLITE_OPEN_EXCLUSIVE |
      SQLITE_OPEN_DELETEONCLOSE |
      SQLITE_OPEN_TRANSIENT_DB;
  assert( pOp->p1>=0 );
  assert( pOp->p2>=0 );






  pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, CURTYPE_BTREE);
  if( pCx==0 ) goto no_mem;
  pCx->nullRow = 1;
  pCx->isEphemeral = 1;
  rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->pBtx, 
                        BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5, vfsFlags);

  if( rc==SQLITE_OK ){
    rc = sqlite3BtreeBeginTrans(pCx->pBtx, 1, 0);
  }
  if( rc==SQLITE_OK ){
    /* If a transient index is required, create it by calling
    ** sqlite3BtreeCreateTable() with the BTREE_BLOBKEY flag before
    ** opening it. If a transient table is required, just use the
    ** automatically created table with root-page 1 (an BLOB_INTKEY table).
    */
    if( (pCx->pKeyInfo = pKeyInfo = pOp->p4.pKeyInfo)!=0 ){
      int pgno;
      assert( pOp->p4type==P4_KEYINFO );
      rc = sqlite3BtreeCreateTable(pCx->pBtx, &pgno, BTREE_BLOBKEY | pOp->p5); 

      if( rc==SQLITE_OK ){
        assert( pgno==MASTER_ROOT+1 );
        assert( pKeyInfo->db==db );
        assert( pKeyInfo->enc==ENC(db) );
        rc = sqlite3BtreeCursor(pCx->pBtx, pgno, BTREE_WRCSR,
                                pKeyInfo, pCx->uc.pCursor);
      }
      pCx->isTable = 0;
    }else{

      rc = sqlite3BtreeCursor(pCx->pBtx, MASTER_ROOT, BTREE_WRCSR,
                              0, pCx->uc.pCursor);
      pCx->isTable = 1;
    }
  }
  if( rc ) goto abort_due_to_error;
  pCx->isOrdered = (pOp->p5!=BTREE_UNORDERED);


  break;
}

/* Opcode: SorterOpen P1 P2 P3 P4 *
**
** This opcode works like OP_OpenEphemeral except that it opens
** a transient index that is specifically designed to sort large







>
>
>
>
>
>
|
|
|
|
|
|
>
|
|
|
|
|
|
|
|
|
|
<
|
|
>
|
|
|
|
|
|
|
|
|
>
|
|
|
|
|
<
|
>
>







3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693

3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711

3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
      SQLITE_OPEN_READWRITE |
      SQLITE_OPEN_CREATE |
      SQLITE_OPEN_EXCLUSIVE |
      SQLITE_OPEN_DELETEONCLOSE |
      SQLITE_OPEN_TRANSIENT_DB;
  assert( pOp->p1>=0 );
  assert( pOp->p2>=0 );
  pCx = p->apCsr[pOp->p1];
  if( pCx ){
    /* If the ephermeral table is already open, erase all existing content
    ** so that the table is empty again, rather than creating a new table. */
    rc = sqlite3BtreeClearTable(pCx->pBtx, pCx->pgnoRoot, 0);
  }else{
    pCx = allocateCursor(p, pOp->p1, pOp->p2, -1, CURTYPE_BTREE);
    if( pCx==0 ) goto no_mem;
    pCx->nullRow = 1;
    pCx->isEphemeral = 1;
    rc = sqlite3BtreeOpen(db->pVfs, 0, db, &pCx->pBtx, 
                          BTREE_OMIT_JOURNAL | BTREE_SINGLE | pOp->p5,
                          vfsFlags);
    if( rc==SQLITE_OK ){
      rc = sqlite3BtreeBeginTrans(pCx->pBtx, 1, 0);
    }
    if( rc==SQLITE_OK ){
      /* If a transient index is required, create it by calling
      ** sqlite3BtreeCreateTable() with the BTREE_BLOBKEY flag before
      ** opening it. If a transient table is required, just use the
      ** automatically created table with root-page 1 (an BLOB_INTKEY table).
      */
      if( (pCx->pKeyInfo = pKeyInfo = pOp->p4.pKeyInfo)!=0 ){

        assert( pOp->p4type==P4_KEYINFO );
        rc = sqlite3BtreeCreateTable(pCx->pBtx, (int*)&pCx->pgnoRoot,
                                     BTREE_BLOBKEY | pOp->p5); 
        if( rc==SQLITE_OK ){
          assert( pCx->pgnoRoot==MASTER_ROOT+1 );
          assert( pKeyInfo->db==db );
          assert( pKeyInfo->enc==ENC(db) );
          rc = sqlite3BtreeCursor(pCx->pBtx, pCx->pgnoRoot, BTREE_WRCSR,
                                  pKeyInfo, pCx->uc.pCursor);
        }
        pCx->isTable = 0;
      }else{
        pCx->pgnoRoot = MASTER_ROOT;
        rc = sqlite3BtreeCursor(pCx->pBtx, MASTER_ROOT, BTREE_WRCSR,
                                0, pCx->uc.pCursor);
        pCx->isTable = 1;
      }
    }

    pCx->isOrdered = (pOp->p5!=BTREE_UNORDERED);
  }
  if( rc ) goto abort_due_to_error;
  break;
}

/* Opcode: SorterOpen P1 P2 P3 P4 *
**
** This opcode works like OP_OpenEphemeral except that it opens
** a transient index that is specifically designed to sort large
6857
6858
6859
6860
6861
6862
6863

6864
6865
6866
6867
6868
6869
6870
** P4 is the name of a virtual table in database P1.  Call the xDestroy method
** of that table.
*/
case OP_VDestroy: {
  db->nVDestroy++;
  rc = sqlite3VtabCallDestroy(db, pOp->p1, pOp->p4.z);
  db->nVDestroy--;

  if( rc ) goto abort_due_to_error;
  break;
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */

#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Opcode: VOpen P1 * * P4 *







>







6875
6876
6877
6878
6879
6880
6881
6882
6883
6884
6885
6886
6887
6888
6889
** P4 is the name of a virtual table in database P1.  Call the xDestroy method
** of that table.
*/
case OP_VDestroy: {
  db->nVDestroy++;
  rc = sqlite3VtabCallDestroy(db, pOp->p1, pOp->p4.z);
  db->nVDestroy--;
  assert( p->errorAction==OE_Abort && p->usesStmtJournal );
  if( rc ) goto abort_due_to_error;
  break;
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */

#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Opcode: VOpen P1 * * P4 *
Changes to src/vdbe.h.
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
#   define COLNAME_N      1      /* Store only the name */
# else
#   define COLNAME_N      2      /* Store the name and decltype */
# endif
#endif

/*
** The following macro converts a relative address in the p2 field
** of a VdbeOp structure into a negative number so that 
** sqlite3VdbeAddOpList() knows that the address is relative.  Calling
** the macro again restores the address.
*/
#define ADDR(X)  (-1-(X))

/*
** The makefile scans the vdbe.c source file and creates the "opcodes.h"
** header file that defines a number for each opcode used by the VDBE.
*/
#include "opcodes.h"








|
|
<
|

|







152
153
154
155
156
157
158
159
160

161
162
163
164
165
166
167
168
169
170
#   define COLNAME_N      1      /* Store only the name */
# else
#   define COLNAME_N      2      /* Store the name and decltype */
# endif
#endif

/*
** The following macro converts a label returned by sqlite3VdbeMakeLabel()
** into an index into the Parse.aLabel[] array that contains the resolved

** address of that label.
*/
#define ADDR(X)  (~(X))

/*
** The makefile scans the vdbe.c source file and creates the "opcodes.h"
** header file that defines a number for each opcode used by the VDBE.
*/
#include "opcodes.h"

211
212
213
214
215
216
217






218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
# define ExplainQueryPlan(P)        sqlite3VdbeExplain P
# define ExplainQueryPlanPop(P)     sqlite3VdbeExplainPop(P)
# define ExplainQueryPlanParent(P)  sqlite3VdbeExplainParent(P)
#else
# define ExplainQueryPlan(P)
# define ExplainQueryPlanPop(P)
# define ExplainQueryPlanParent(P) 0






#endif
void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*);
void sqlite3VdbeChangeOpcode(Vdbe*, u32 addr, u8);
void sqlite3VdbeChangeP1(Vdbe*, u32 addr, int P1);
void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2);
void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3);
void sqlite3VdbeChangeP5(Vdbe*, u16 P5);
void sqlite3VdbeJumpHere(Vdbe*, int addr);
int sqlite3VdbeChangeToNoop(Vdbe*, int addr);
int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type);
void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
void sqlite3VdbeUsesBtree(Vdbe*, int);
VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
int sqlite3VdbeMakeLabel(Vdbe*);
void sqlite3VdbeRunOnlyOnce(Vdbe*);
void sqlite3VdbeReusable(Vdbe*);
void sqlite3VdbeDelete(Vdbe*);
void sqlite3VdbeClearObject(sqlite3*,Vdbe*);
void sqlite3VdbeMakeReady(Vdbe*,Parse*);
int sqlite3VdbeFinalize(Vdbe*);
void sqlite3VdbeResolveLabel(Vdbe*, int);







>
>
>
>
>
>















|







210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
# define ExplainQueryPlan(P)        sqlite3VdbeExplain P
# define ExplainQueryPlanPop(P)     sqlite3VdbeExplainPop(P)
# define ExplainQueryPlanParent(P)  sqlite3VdbeExplainParent(P)
#else
# define ExplainQueryPlan(P)
# define ExplainQueryPlanPop(P)
# define ExplainQueryPlanParent(P) 0
# define sqlite3ExplainBreakpoint(A,B) /*no-op*/
#endif
#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_EXPLAIN)
  void sqlite3ExplainBreakpoint(const char*,const char*);
#else
# define sqlite3ExplainBreakpoint(A,B) /*no-op*/
#endif
void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*);
void sqlite3VdbeChangeOpcode(Vdbe*, u32 addr, u8);
void sqlite3VdbeChangeP1(Vdbe*, u32 addr, int P1);
void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2);
void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3);
void sqlite3VdbeChangeP5(Vdbe*, u16 P5);
void sqlite3VdbeJumpHere(Vdbe*, int addr);
int sqlite3VdbeChangeToNoop(Vdbe*, int addr);
int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type);
void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
void sqlite3VdbeUsesBtree(Vdbe*, int);
VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
int sqlite3VdbeMakeLabel(Parse*);
void sqlite3VdbeRunOnlyOnce(Vdbe*);
void sqlite3VdbeReusable(Vdbe*);
void sqlite3VdbeDelete(Vdbe*);
void sqlite3VdbeClearObject(sqlite3*,Vdbe*);
void sqlite3VdbeMakeReady(Vdbe*,Parse*);
int sqlite3VdbeFinalize(Vdbe*);
void sqlite3VdbeResolveLabel(Vdbe*, int);
Changes to src/vdbeInt.h.
381
382
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  int rc;                 /* Value to return */
  int nChange;            /* Number of db changes made since last reset */
  int iStatement;         /* Statement number (or 0 if has no opened stmt) */
  i64 iCurrentTime;       /* Value of julianday('now') for this statement */
  i64 nFkConstraint;      /* Number of imm. FK constraints this VM */
  i64 nStmtDefCons;       /* Number of def. constraints when stmt started */
  i64 nStmtDefImmCons;    /* Number of def. imm constraints when stmt started */





  /* When allocating a new Vdbe object, all of the fields below should be
  ** initialized to zero or NULL */

  Op *aOp;                /* Space to hold the virtual machine's program */
  Mem *aMem;              /* The memory locations */
  Mem **apArg;            /* Arguments to currently executing user function */
  Mem *aColName;          /* Column names to return */
  Mem *pResultSet;        /* Pointer to an array of results */
  char *zErrMsg;          /* Error message written here */
  VdbeCursor **apCsr;     /* One element of this array for each open cursor */
  Mem *aVar;              /* Values for the OP_Variable opcode. */
  VList *pVList;          /* Name of variables */
#ifndef SQLITE_OMIT_TRACE
  i64 startTime;          /* Time when query started - used for profiling */
#endif
  int nOp;                /* Number of instructions in the program */
#ifdef SQLITE_DEBUG
  int rcApp;              /* errcode set by sqlite3_result_error_code() */
  u32 nWrite;             /* Number of write operations that have occurred */
#endif
  u16 nResColumn;         /* Number of columns in one row of the result set */
  u8 errorAction;         /* Recovery action to do in case of an error */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */







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  int rc;                 /* Value to return */
  int nChange;            /* Number of db changes made since last reset */
  int iStatement;         /* Statement number (or 0 if has no opened stmt) */
  i64 iCurrentTime;       /* Value of julianday('now') for this statement */
  i64 nFkConstraint;      /* Number of imm. FK constraints this VM */
  i64 nStmtDefCons;       /* Number of def. constraints when stmt started */
  i64 nStmtDefImmCons;    /* Number of def. imm constraints when stmt started */
  Mem *aMem;              /* The memory locations */
  Mem **apArg;            /* Arguments to currently executing user function */
  VdbeCursor **apCsr;     /* One element of this array for each open cursor */
  Mem *aVar;              /* Values for the OP_Variable opcode. */

  /* When allocating a new Vdbe object, all of the fields below should be
  ** initialized to zero or NULL */

  Op *aOp;                /* Space to hold the virtual machine's program */
  int nOp;                /* Number of instructions in the program */
  int nOpAlloc;           /* Slots allocated for aOp[] */
  Mem *aColName;          /* Column names to return */
  Mem *pResultSet;        /* Pointer to an array of results */
  char *zErrMsg;          /* Error message written here */


  VList *pVList;          /* Name of variables */
#ifndef SQLITE_OMIT_TRACE
  i64 startTime;          /* Time when query started - used for profiling */
#endif

#ifdef SQLITE_DEBUG
  int rcApp;              /* errcode set by sqlite3_result_error_code() */
  u32 nWrite;             /* Number of write operations that have occurred */
#endif
  u16 nResColumn;         /* Number of columns in one row of the result set */
  u8 errorAction;         /* Recovery action to do in case of an error */
  u8 minWriteFileFormat;  /* Minimum file format for writable database files */
Changes to src/vdbeaux.c.
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  p->pPrev = 0;
  db->pVdbe = p;
  p->magic = VDBE_MAGIC_INIT;
  p->pParse = pParse;
  pParse->pVdbe = p;
  assert( pParse->aLabel==0 );
  assert( pParse->nLabel==0 );
  assert( pParse->nOpAlloc==0 );
  assert( pParse->szOpAlloc==0 );
  sqlite3VdbeAddOp2(p, OP_Init, 0, 1);
  return p;
}

/*
** Change the error string stored in Vdbe.zErrMsg







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  p->pPrev = 0;
  db->pVdbe = p;
  p->magic = VDBE_MAGIC_INIT;
  p->pParse = pParse;
  pParse->pVdbe = p;
  assert( pParse->aLabel==0 );
  assert( pParse->nLabel==0 );
  assert( p->nOpAlloc==0 );
  assert( pParse->szOpAlloc==0 );
  sqlite3VdbeAddOp2(p, OP_Init, 0, 1);
  return p;
}

/*
** Change the error string stored in Vdbe.zErrMsg
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/*
** Resize the Vdbe.aOp array so that it is at least nOp elements larger 
** than its current size. nOp is guaranteed to be less than or equal
** to 1024/sizeof(Op).
**
** If an out-of-memory error occurs while resizing the array, return
** SQLITE_NOMEM. In this case Vdbe.aOp and Parse.nOpAlloc remain 
** unchanged (this is so that any opcodes already allocated can be 
** correctly deallocated along with the rest of the Vdbe).
*/
static int growOpArray(Vdbe *v, int nOp){
  VdbeOp *pNew;
  Parse *p = v->pParse;

  /* The SQLITE_TEST_REALLOC_STRESS compile-time option is designed to force
  ** more frequent reallocs and hence provide more opportunities for 
  ** simulated OOM faults.  SQLITE_TEST_REALLOC_STRESS is generally used
  ** during testing only.  With SQLITE_TEST_REALLOC_STRESS grow the op array
  ** by the minimum* amount required until the size reaches 512.  Normal
  ** operation (without SQLITE_TEST_REALLOC_STRESS) is to double the current
  ** size of the op array or add 1KB of space, whichever is smaller. */
#ifdef SQLITE_TEST_REALLOC_STRESS
  int nNew = (p->nOpAlloc>=512 ? p->nOpAlloc*2 : p->nOpAlloc+nOp);
#else
  int nNew = (p->nOpAlloc ? p->nOpAlloc*2 : (int)(1024/sizeof(Op)));
  UNUSED_PARAMETER(nOp);
#endif

  /* Ensure that the size of a VDBE does not grow too large */
  if( nNew > p->db->aLimit[SQLITE_LIMIT_VDBE_OP] ){
    sqlite3OomFault(p->db);
    return SQLITE_NOMEM;
  }

  assert( nOp<=(1024/sizeof(Op)) );
  assert( nNew>=(p->nOpAlloc+nOp) );
  pNew = sqlite3DbRealloc(p->db, v->aOp, nNew*sizeof(Op));
  if( pNew ){
    p->szOpAlloc = sqlite3DbMallocSize(p->db, pNew);
    p->nOpAlloc = p->szOpAlloc/sizeof(Op);
    v->aOp = pNew;
  }
  return (pNew ? SQLITE_OK : SQLITE_NOMEM_BKPT);
}

#ifdef SQLITE_DEBUG
/* This routine is just a convenient place to set a breakpoint that will







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/*
** Resize the Vdbe.aOp array so that it is at least nOp elements larger 
** than its current size. nOp is guaranteed to be less than or equal
** to 1024/sizeof(Op).
**
** If an out-of-memory error occurs while resizing the array, return
** SQLITE_NOMEM. In this case Vdbe.aOp and Vdbe.nOpAlloc remain 
** unchanged (this is so that any opcodes already allocated can be 
** correctly deallocated along with the rest of the Vdbe).
*/
static int growOpArray(Vdbe *v, int nOp){
  VdbeOp *pNew;
  Parse *p = v->pParse;

  /* The SQLITE_TEST_REALLOC_STRESS compile-time option is designed to force
  ** more frequent reallocs and hence provide more opportunities for 
  ** simulated OOM faults.  SQLITE_TEST_REALLOC_STRESS is generally used
  ** during testing only.  With SQLITE_TEST_REALLOC_STRESS grow the op array
  ** by the minimum* amount required until the size reaches 512.  Normal
  ** operation (without SQLITE_TEST_REALLOC_STRESS) is to double the current
  ** size of the op array or add 1KB of space, whichever is smaller. */
#ifdef SQLITE_TEST_REALLOC_STRESS
  int nNew = (v->nOpAlloc>=512 ? v->nOpAlloc*2 : v->nOpAlloc+nOp);
#else
  int nNew = (v->nOpAlloc ? v->nOpAlloc*2 : (int)(1024/sizeof(Op)));
  UNUSED_PARAMETER(nOp);
#endif

  /* Ensure that the size of a VDBE does not grow too large */
  if( nNew > p->db->aLimit[SQLITE_LIMIT_VDBE_OP] ){
    sqlite3OomFault(p->db);
    return SQLITE_NOMEM;
  }

  assert( nOp<=(1024/sizeof(Op)) );
  assert( nNew>=(v->nOpAlloc+nOp) );
  pNew = sqlite3DbRealloc(p->db, v->aOp, nNew*sizeof(Op));
  if( pNew ){
    p->szOpAlloc = sqlite3DbMallocSize(p->db, pNew);
    v->nOpAlloc = p->szOpAlloc/sizeof(Op);
    v->aOp = pNew;
  }
  return (pNew ? SQLITE_OK : SQLITE_NOMEM_BKPT);
}

#ifdef SQLITE_DEBUG
/* This routine is just a convenient place to set a breakpoint that will
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**    p1, p2, p3      Operands
**
** Use the sqlite3VdbeResolveLabel() function to fix an address and
** the sqlite3VdbeChangeP4() function to change the value of the P4
** operand.
*/
static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){
  assert( p->pParse->nOpAlloc<=p->nOp );
  if( growOpArray(p, 1) ) return 1;
  assert( p->pParse->nOpAlloc>p->nOp );
  return sqlite3VdbeAddOp3(p, op, p1, p2, p3);
}
int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){
  int i;
  VdbeOp *pOp;

  i = p->nOp;
  assert( p->magic==VDBE_MAGIC_INIT );
  assert( op>=0 && op<0xff );
  if( p->pParse->nOpAlloc<=i ){
    return growOp3(p, op, p1, p2, p3);
  }
  p->nOp++;
  pOp = &p->aOp[i];
  pOp->opcode = (u8)op;
  pOp->p5 = 0;
  pOp->p1 = p1;







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**    p1, p2, p3      Operands
**
** Use the sqlite3VdbeResolveLabel() function to fix an address and
** the sqlite3VdbeChangeP4() function to change the value of the P4
** operand.
*/
static SQLITE_NOINLINE int growOp3(Vdbe *p, int op, int p1, int p2, int p3){
  assert( p->nOpAlloc<=p->nOp );
  if( growOpArray(p, 1) ) return 1;
  assert( p->nOpAlloc>p->nOp );
  return sqlite3VdbeAddOp3(p, op, p1, p2, p3);
}
int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){
  int i;
  VdbeOp *pOp;

  i = p->nOp;
  assert( p->magic==VDBE_MAGIC_INIT );
  assert( op>=0 && op<0xff );
  if( p->nOpAlloc<=i ){
    return growOp3(p, op, p1, p2, p3);
  }
  p->nOp++;
  pOp = &p->aOp[i];
  pOp->opcode = (u8)op;
  pOp->p5 = 0;
  pOp->p1 = p1;
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  VdbeOp *pOp;
  if( pParse->addrExplain==0 ) return 0;
  pOp = sqlite3VdbeGetOp(pParse->pVdbe, pParse->addrExplain);
  return pOp->p2;
}

/*











** Add a new OP_Explain opcode.
**
** If the bPush flag is true, then make this opcode the parent for
** subsequent Explains until sqlite3VdbeExplainPop() is called.
*/
void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){
#ifndef SQLITE_DEBUG
  /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined.







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  VdbeOp *pOp;
  if( pParse->addrExplain==0 ) return 0;
  pOp = sqlite3VdbeGetOp(pParse->pVdbe, pParse->addrExplain);
  return pOp->p2;
}

/*
** Set a debugger breakpoint on the following routine in order to
** monitor the EXPLAIN QUERY PLAN code generation.
*/
#if defined(SQLITE_DEBUG)
void sqlite3ExplainBreakpoint(const char *z1, const char *z2){
  (void)z1;
  (void)z2;
}
#endif

/*
** Add a new OP_ opcode.
**
** If the bPush flag is true, then make this opcode the parent for
** subsequent Explains until sqlite3VdbeExplainPop() is called.
*/
void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){
#ifndef SQLITE_DEBUG
  /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined.
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    va_start(ap, zFmt);
    zMsg = sqlite3VMPrintf(pParse->db, zFmt, ap);
    va_end(ap);
    v = pParse->pVdbe;
    iThis = v->nOp;
    sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0,
                      zMsg, P4_DYNAMIC);


    if( bPush) pParse->addrExplain = iThis;

  }
}

/*
** Pop the EXPLAIN QUERY PLAN stack one level.
*/
void sqlite3VdbeExplainPop(Parse *pParse){

  pParse->addrExplain = sqlite3VdbeExplainParent(pParse);
}
#endif /* SQLITE_OMIT_EXPLAIN */

/*
** Add an OP_ParseSchema opcode.  This routine is broken out from
** sqlite3VdbeAddOp4() since it needs to also needs to mark all btrees







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    va_start(ap, zFmt);
    zMsg = sqlite3VMPrintf(pParse->db, zFmt, ap);
    va_end(ap);
    v = pParse->pVdbe;
    iThis = v->nOp;
    sqlite3VdbeAddOp4(v, OP_Explain, iThis, pParse->addrExplain, 0,
                      zMsg, P4_DYNAMIC);
    sqlite3ExplainBreakpoint(bPush?"PUSH":"", sqlite3VdbeGetOp(v,-1)->p4.z);
    if( bPush){
      pParse->addrExplain = iThis;
    }
  }
}

/*
** Pop the EXPLAIN QUERY PLAN stack one level.
*/
void sqlite3VdbeExplainPop(Parse *pParse){
  sqlite3ExplainBreakpoint("POP", 0);
  pParse->addrExplain = sqlite3VdbeExplainParent(pParse);
}
#endif /* SQLITE_OMIT_EXPLAIN */

/*
** Add an OP_ParseSchema opcode.  This routine is broken out from
** sqlite3VdbeAddOp4() since it needs to also needs to mark all btrees
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** the label is resolved to a specific address, the VDBE will scan
** through its operation list and change all values of P2 which match
** the label into the resolved address.
**
** The VDBE knows that a P2 value is a label because labels are
** always negative and P2 values are suppose to be non-negative.
** Hence, a negative P2 value is a label that has yet to be resolved.


**

** Zero is returned if a malloc() fails.








*/
int sqlite3VdbeMakeLabel(Vdbe *v){
  Parse *p = v->pParse;
  int i = p->nLabel++;
  assert( v->magic==VDBE_MAGIC_INIT );
  if( (i & (i-1))==0 ){
    p->aLabel = sqlite3DbReallocOrFree(p->db, p->aLabel, 
                                       (i*2+1)*sizeof(p->aLabel[0]));
  }
  if( p->aLabel ){
    p->aLabel[i] = -1;
  }
  return ADDR(i);
}

/*
** Resolve label "x" to be the address of the next instruction to
** be inserted.  The parameter "x" must have been obtained from
** a prior call to sqlite3VdbeMakeLabel().
*/















void sqlite3VdbeResolveLabel(Vdbe *v, int x){
  Parse *p = v->pParse;
  int j = ADDR(x);
  assert( v->magic==VDBE_MAGIC_INIT );
  assert( j<p->nLabel );
  assert( j>=0 );
  if( p->aLabel ){
#ifdef SQLITE_DEBUG
    if( p->db->flags & SQLITE_VdbeAddopTrace ){
      printf("RESOLVE LABEL %d to %d\n", x, v->nOp);
    }
#endif



    assert( p->aLabel[j]==(-1) ); /* Labels may only be resolved once */
    p->aLabel[j] = v->nOp;
  }
}

/*
** Mark the VDBE as one that can only be run one time.







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** the label is resolved to a specific address, the VDBE will scan
** through its operation list and change all values of P2 which match
** the label into the resolved address.
**
** The VDBE knows that a P2 value is a label because labels are
** always negative and P2 values are suppose to be non-negative.
** Hence, a negative P2 value is a label that has yet to be resolved.
** (Later:) This is only true for opcodes that have the OPFLG_JUMP
** property.
**
** Variable usage notes:
**
**     Parse.aLabel[x]     Stores the address that the x-th label resolves
**                         into.  For testing (SQLITE_DEBUG), unresolved
**                         labels stores -1, but that is not required.
**     Parse.nLabelAlloc   Number of slots allocated to Parse.aLabel[]
**     Parse.nLabel        The *negative* of the number of labels that have
**                         been issued.  The negative is stored because
**                         that gives a performance improvement over storing
**                         the equivalent positive value.
*/
int sqlite3VdbeMakeLabel(Parse *pParse){

  return --pParse->nLabel;









}

/*
** Resolve label "x" to be the address of the next instruction to
** be inserted.  The parameter "x" must have been obtained from
** a prior call to sqlite3VdbeMakeLabel().
*/
static SQLITE_NOINLINE void resizeResolveLabel(Parse *p, Vdbe *v, int j){
  int nNewSize = 10 - p->nLabel;
  p->aLabel = sqlite3DbReallocOrFree(p->db, p->aLabel,
                     nNewSize*sizeof(p->aLabel[0]));
  if( p->aLabel==0 ){
    p->nLabelAlloc = 0;
  }else{
#ifdef SQLITE_DEBUG
    int i;
    for(i=p->nLabelAlloc; i<nNewSize; i++) p->aLabel[i] = -1;
#endif
    p->nLabelAlloc = nNewSize;
    p->aLabel[j] = v->nOp;
  }
}
void sqlite3VdbeResolveLabel(Vdbe *v, int x){
  Parse *p = v->pParse;
  int j = ADDR(x);
  assert( v->magic==VDBE_MAGIC_INIT );
  assert( j<-p->nLabel );
  assert( j>=0 );

#ifdef SQLITE_DEBUG
  if( p->db->flags & SQLITE_VdbeAddopTrace ){
    printf("RESOLVE LABEL %d to %d\n", x, v->nOp);
  }
#endif
  if( p->nLabelAlloc + p->nLabel < 0 ){
    resizeResolveLabel(p,v,j);
  }else{
    assert( p->aLabel[j]==(-1) ); /* Labels may only be resolved once */
    p->aLabel[j] = v->nOp;
  }
}

/*
** Mark the VDBE as one that can only be run one time.
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  VdbeOpIter sIter;
  memset(&sIter, 0, sizeof(sIter));
  sIter.v = v;

  while( (pOp = opIterNext(&sIter))!=0 ){
    int opcode = pOp->opcode;
    if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename 

     || ((opcode==OP_Halt || opcode==OP_HaltIfNull) 
      && ((pOp->p1&0xff)==SQLITE_CONSTRAINT && pOp->p2==OE_Abort))
    ){
      hasAbort = 1;
      break;
    }
    if( opcode==OP_CreateBtree && pOp->p3==BTREE_INTKEY ) hasCreateTable = 1;







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  VdbeOpIter sIter;
  memset(&sIter, 0, sizeof(sIter));
  sIter.v = v;

  while( (pOp = opIterNext(&sIter))!=0 ){
    int opcode = pOp->opcode;
    if( opcode==OP_Destroy || opcode==OP_VUpdate || opcode==OP_VRename 
     || opcode==OP_VDestroy
     || ((opcode==OP_Halt || opcode==OP_HaltIfNull) 
      && ((pOp->p1&0xff)==SQLITE_CONSTRAINT && pOp->p2==OE_Abort))
    ){
      hasAbort = 1;
      break;
    }
    if( opcode==OP_CreateBtree && pOp->p3==BTREE_INTKEY ) hasCreateTable = 1;
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#endif
        default: {
          if( pOp->p2<0 ){
            /* The mkopcodeh.tcl script has so arranged things that the only
            ** non-jump opcodes less than SQLITE_MX_JUMP_CODE are guaranteed to
            ** have non-negative values for P2. */
            assert( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 );
            assert( ADDR(pOp->p2)<pParse->nLabel );
            pOp->p2 = aLabel[ADDR(pOp->p2)];
          }
          break;
        }
      }
      /* The mkopcodeh.tcl script has so arranged things that the only
      ** non-jump opcodes less than SQLITE_MX_JUMP_CODE are guaranteed to







|







783
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785
786
787
788
789
790
791
792
793
794
795
796
797
#endif
        default: {
          if( pOp->p2<0 ){
            /* The mkopcodeh.tcl script has so arranged things that the only
            ** non-jump opcodes less than SQLITE_MX_JUMP_CODE are guaranteed to
            ** have non-negative values for P2. */
            assert( (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP)!=0 );
            assert( ADDR(pOp->p2)<-pParse->nLabel );
            pOp->p2 = aLabel[ADDR(pOp->p2)];
          }
          break;
        }
      }
      /* The mkopcodeh.tcl script has so arranged things that the only
      ** non-jump opcodes less than SQLITE_MX_JUMP_CODE are guaranteed to
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
** SQLITE_TEST_REALLOC_STRESS).  This interface is used during testing
** to verify that certain calls to sqlite3VdbeAddOpList() can never
** fail due to a OOM fault and hence that the return value from
** sqlite3VdbeAddOpList() will always be non-NULL.
*/
#if defined(SQLITE_DEBUG) && !defined(SQLITE_TEST_REALLOC_STRESS)
void sqlite3VdbeVerifyNoMallocRequired(Vdbe *p, int N){
  assert( p->nOp + N <= p->pParse->nOpAlloc );
}
#endif

/*
** Verify that the VM passed as the only argument does not contain
** an OP_ResultRow opcode. Fail an assert() if it does. This is used
** by code in pragma.c to ensure that the implementation of certain







|







822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
** SQLITE_TEST_REALLOC_STRESS).  This interface is used during testing
** to verify that certain calls to sqlite3VdbeAddOpList() can never
** fail due to a OOM fault and hence that the return value from
** sqlite3VdbeAddOpList() will always be non-NULL.
*/
#if defined(SQLITE_DEBUG) && !defined(SQLITE_TEST_REALLOC_STRESS)
void sqlite3VdbeVerifyNoMallocRequired(Vdbe *p, int N){
  assert( p->nOp + N <= p->nOpAlloc );
}
#endif

/*
** Verify that the VM passed as the only argument does not contain
** an OP_ResultRow opcode. Fail an assert() if it does. This is used
** by code in pragma.c to ensure that the implementation of certain
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
  VdbeOpList const *aOp,       /* The opcodes to be added */
  int iLineno                  /* Source-file line number of first opcode */
){
  int i;
  VdbeOp *pOut, *pFirst;
  assert( nOp>0 );
  assert( p->magic==VDBE_MAGIC_INIT );
  if( p->nOp + nOp > p->pParse->nOpAlloc && growOpArray(p, nOp) ){
    return 0;
  }
  pFirst = pOut = &p->aOp[p->nOp];
  for(i=0; i<nOp; i++, aOp++, pOut++){
    pOut->opcode = aOp->opcode;
    pOut->p1 = aOp->p1;
    pOut->p2 = aOp->p2;







|







894
895
896
897
898
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900
901
902
903
904
905
906
907
908
  VdbeOpList const *aOp,       /* The opcodes to be added */
  int iLineno                  /* Source-file line number of first opcode */
){
  int i;
  VdbeOp *pOut, *pFirst;
  assert( nOp>0 );
  assert( p->magic==VDBE_MAGIC_INIT );
  if( p->nOp + nOp > p->nOpAlloc && growOpArray(p, nOp) ){
    return 0;
  }
  pFirst = pOut = &p->aOp[p->nOp];
  for(i=0; i<nOp; i++, aOp++, pOut++){
    pOut->opcode = aOp->opcode;
    pOut->p1 = aOp->p1;
    pOut->p2 = aOp->p2;
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
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2198
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2200
2201









2202
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2205
2206
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2208
  ** requirements by reusing the opcode array tail, then the second
  ** pass will fill in the remainder using a fresh memory allocation.  
  **
  ** This two-pass approach that reuses as much memory as possible from
  ** the leftover memory at the end of the opcode array.  This can significantly
  ** reduce the amount of memory held by a prepared statement.
  */
  do {
    x.nNeeded = 0;
    p->aMem = allocSpace(&x, p->aMem, nMem*sizeof(Mem));
    p->aVar = allocSpace(&x, p->aVar, nVar*sizeof(Mem));
    p->apArg = allocSpace(&x, p->apArg, nArg*sizeof(Mem*));
    p->apCsr = allocSpace(&x, p->apCsr, nCursor*sizeof(VdbeCursor*));
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
    p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64));
#endif
    if( x.nNeeded==0 ) break;
    x.pSpace = p->pFree = sqlite3DbMallocRawNN(db, x.nNeeded);
    x.nFree = x.nNeeded;
  }while( !db->mallocFailed );










  p->pVList = pParse->pVList;
  pParse->pVList =  0;
  p->explain = pParse->explain;
  if( db->mallocFailed ){
    p->nVar = 0;
    p->nCursor = 0;







<
|
|
|
|
|

|

|


|
>
>
>
>
>
>
>
>
>







2216
2217
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2222

2223
2224
2225
2226
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2229
2230
2231
2232
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2237
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2240
2241
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2244
2245
2246
2247
2248
2249
2250
  ** requirements by reusing the opcode array tail, then the second
  ** pass will fill in the remainder using a fresh memory allocation.  
  **
  ** This two-pass approach that reuses as much memory as possible from
  ** the leftover memory at the end of the opcode array.  This can significantly
  ** reduce the amount of memory held by a prepared statement.
  */

  x.nNeeded = 0;
  p->aMem = allocSpace(&x, 0, nMem*sizeof(Mem));
  p->aVar = allocSpace(&x, 0, nVar*sizeof(Mem));
  p->apArg = allocSpace(&x, 0, nArg*sizeof(Mem*));
  p->apCsr = allocSpace(&x, 0, nCursor*sizeof(VdbeCursor*));
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
  p->anExec = allocSpace(&x, 0, p->nOp*sizeof(i64));
#endif
  if( x.nNeeded ){
    x.pSpace = p->pFree = sqlite3DbMallocRawNN(db, x.nNeeded);
    x.nFree = x.nNeeded;
    if( !db->mallocFailed ){
      p->aMem = allocSpace(&x, p->aMem, nMem*sizeof(Mem));
      p->aVar = allocSpace(&x, p->aVar, nVar*sizeof(Mem));
      p->apArg = allocSpace(&x, p->apArg, nArg*sizeof(Mem*));
      p->apCsr = allocSpace(&x, p->apCsr, nCursor*sizeof(VdbeCursor*));
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
      p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64));
#endif
    }
  }

  p->pVList = pParse->pVList;
  pParse->pVList =  0;
  p->explain = pParse->explain;
  if( db->mallocFailed ){
    p->nVar = 0;
    p->nCursor = 0;
Changes to src/where.c.
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856

857
858
859
860
861
862
863
    addrTop =  sqlite3VdbeAddOp1(v, OP_Yield, regYield);
    VdbeCoverage(v);
    VdbeComment((v, "next row of %s", pTabItem->pTab->zName));
  }else{
    addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v);
  }
  if( pPartial ){
    iContinue = sqlite3VdbeMakeLabel(v);
    sqlite3ExprIfFalse(pParse, pPartial, iContinue, SQLITE_JUMPIFNULL);
    pLoop->wsFlags |= WHERE_PARTIALIDX;
  }
  regRecord = sqlite3GetTempReg(pParse);
  regBase = sqlite3GenerateIndexKey(
      pParse, pIdx, pLevel->iTabCur, regRecord, 0, 0, 0, 0
  );
  sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord);
  sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT);
  if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue);
  if( pTabItem->fg.viaCoroutine ){
    sqlite3VdbeChangeP2(v, addrCounter, regBase+n);
    testcase( pParse->db->mallocFailed );
    translateColumnToCopy(pParse, addrTop, pLevel->iTabCur,
                          pTabItem->regResult, 1);
    sqlite3VdbeGoto(v, addrTop);

  }else{
    sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v);
  }
  sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX);
  sqlite3VdbeJumpHere(v, addrTop);
  sqlite3ReleaseTempReg(pParse, regRecord);
  







|
















>







833
834
835
836
837
838
839
840
841
842
843
844
845
846
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851
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854
855
856
857
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859
860
861
862
863
864
    addrTop =  sqlite3VdbeAddOp1(v, OP_Yield, regYield);
    VdbeCoverage(v);
    VdbeComment((v, "next row of %s", pTabItem->pTab->zName));
  }else{
    addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v);
  }
  if( pPartial ){
    iContinue = sqlite3VdbeMakeLabel(pParse);
    sqlite3ExprIfFalse(pParse, pPartial, iContinue, SQLITE_JUMPIFNULL);
    pLoop->wsFlags |= WHERE_PARTIALIDX;
  }
  regRecord = sqlite3GetTempReg(pParse);
  regBase = sqlite3GenerateIndexKey(
      pParse, pIdx, pLevel->iTabCur, regRecord, 0, 0, 0, 0
  );
  sqlite3VdbeAddOp2(v, OP_IdxInsert, pLevel->iIdxCur, regRecord);
  sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT);
  if( pPartial ) sqlite3VdbeResolveLabel(v, iContinue);
  if( pTabItem->fg.viaCoroutine ){
    sqlite3VdbeChangeP2(v, addrCounter, regBase+n);
    testcase( pParse->db->mallocFailed );
    translateColumnToCopy(pParse, addrTop, pLevel->iTabCur,
                          pTabItem->regResult, 1);
    sqlite3VdbeGoto(v, addrTop);
    pTabItem->fg.viaCoroutine = 0;
  }else{
    sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v);
  }
  sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX);
  sqlite3VdbeJumpHere(v, addrTop);
  sqlite3ReleaseTempReg(pParse, regRecord);
  
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
  pWInfo->pParse = pParse;
  pWInfo->pTabList = pTabList;
  pWInfo->pOrderBy = pOrderBy;
  pWInfo->pWhere = pWhere;
  pWInfo->pResultSet = pResultSet;
  pWInfo->aiCurOnePass[0] = pWInfo->aiCurOnePass[1] = -1;
  pWInfo->nLevel = nTabList;
  pWInfo->iBreak = pWInfo->iContinue = sqlite3VdbeMakeLabel(v);
  pWInfo->wctrlFlags = wctrlFlags;
  pWInfo->iLimit = iAuxArg;
  pWInfo->savedNQueryLoop = pParse->nQueryLoop;
  memset(&pWInfo->nOBSat, 0, 
         offsetof(WhereInfo,sWC) - offsetof(WhereInfo,nOBSat));
  memset(&pWInfo->a[0], 0, sizeof(WhereLoop)+nTabList*sizeof(WhereLevel));
  assert( pWInfo->eOnePass==ONEPASS_OFF );  /* ONEPASS defaults to OFF */







|







4640
4641
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4643
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4645
4646
4647
4648
4649
4650
4651
4652
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4654
  pWInfo->pParse = pParse;
  pWInfo->pTabList = pTabList;
  pWInfo->pOrderBy = pOrderBy;
  pWInfo->pWhere = pWhere;
  pWInfo->pResultSet = pResultSet;
  pWInfo->aiCurOnePass[0] = pWInfo->aiCurOnePass[1] = -1;
  pWInfo->nLevel = nTabList;
  pWInfo->iBreak = pWInfo->iContinue = sqlite3VdbeMakeLabel(pParse);
  pWInfo->wctrlFlags = wctrlFlags;
  pWInfo->iLimit = iAuxArg;
  pWInfo->savedNQueryLoop = pParse->nQueryLoop;
  memset(&pWInfo->nOBSat, 0, 
         offsetof(WhereInfo,sWC) - offsetof(WhereInfo,nOBSat));
  memset(&pWInfo->a[0], 0, sizeof(WhereLoop)+nTabList*sizeof(WhereLevel));
  assert( pWInfo->eOnePass==ONEPASS_OFF );  /* ONEPASS defaults to OFF */
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
      if( db->mallocFailed ) goto whereBeginError;
    }
#endif
    addrExplain = sqlite3WhereExplainOneScan(
        pParse, pTabList, pLevel, wctrlFlags
    );
    pLevel->addrBody = sqlite3VdbeCurrentAddr(v);
    notReady = sqlite3WhereCodeOneLoopStart(pWInfo, ii, notReady);
    pWInfo->iContinue = pLevel->addrCont;
    if( (wsFlags&WHERE_MULTI_OR)==0 && (wctrlFlags&WHERE_OR_SUBCLAUSE)==0 ){
      sqlite3WhereAddScanStatus(v, pTabList, pLevel, addrExplain);
    }
  }

  /* Done. */







|







5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
      if( db->mallocFailed ) goto whereBeginError;
    }
#endif
    addrExplain = sqlite3WhereExplainOneScan(
        pParse, pTabList, pLevel, wctrlFlags
    );
    pLevel->addrBody = sqlite3VdbeCurrentAddr(v);
    notReady = sqlite3WhereCodeOneLoopStart(pParse,v,pWInfo,ii,pLevel,notReady);
    pWInfo->iContinue = pLevel->addrCont;
    if( (wsFlags&WHERE_MULTI_OR)==0 && (wctrlFlags&WHERE_OR_SUBCLAUSE)==0 ){
      sqlite3WhereAddScanStatus(v, pTabList, pLevel, addrExplain);
    }
  }

  /* Done. */
Changes to src/whereInt.h.
503
504
505
506
507
508
509


510
511

512
513
514
515
516
517
518
  WhereLevel *pLvl,               /* Level to add scanstatus() entry for */
  int addrExplain                 /* Address of OP_Explain (or 0) */
);
#else
# define sqlite3WhereAddScanStatus(a, b, c, d) ((void)d)
#endif
Bitmask sqlite3WhereCodeOneLoopStart(


  WhereInfo *pWInfo,   /* Complete information about the WHERE clause */
  int iLevel,          /* Which level of pWInfo->a[] should be coded */

  Bitmask notReady     /* Which tables are currently available */
);

/* whereexpr.c: */
void sqlite3WhereClauseInit(WhereClause*,WhereInfo*);
void sqlite3WhereClauseClear(WhereClause*);
void sqlite3WhereSplit(WhereClause*,Expr*,u8);







>
>


>







503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
  WhereLevel *pLvl,               /* Level to add scanstatus() entry for */
  int addrExplain                 /* Address of OP_Explain (or 0) */
);
#else
# define sqlite3WhereAddScanStatus(a, b, c, d) ((void)d)
#endif
Bitmask sqlite3WhereCodeOneLoopStart(
  Parse *pParse,       /* Parsing context */
  Vdbe *v,             /* Prepared statement under construction */
  WhereInfo *pWInfo,   /* Complete information about the WHERE clause */
  int iLevel,          /* Which level of pWInfo->a[] should be coded */
  WhereLevel *pLevel,  /* The current level pointer */
  Bitmask notReady     /* Which tables are currently available */
);

/* whereexpr.c: */
void sqlite3WhereClauseInit(WhereClause*,WhereInfo*);
void sqlite3WhereClauseClear(WhereClause*);
void sqlite3WhereSplit(WhereClause*,Expr*,u8);
Changes to src/wherecode.c.
209
210
211
212
213
214
215

216
217
218
219
220
221
222
      sqlite3_str_appendf(&str, " (~%llu rows)",
             sqlite3LogEstToInt(pLoop->nOut));
    }else{
      sqlite3_str_append(&str, " (~1 row)", 9);
    }
#endif
    zMsg = sqlite3StrAccumFinish(&str);

    ret = sqlite3VdbeAddOp4(v, OP_Explain, sqlite3VdbeCurrentAddr(v),
                            pParse->addrExplain, 0, zMsg,P4_DYNAMIC);
  }
  return ret;
}
#endif /* SQLITE_OMIT_EXPLAIN */








>







209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
      sqlite3_str_appendf(&str, " (~%llu rows)",
             sqlite3LogEstToInt(pLoop->nOut));
    }else{
      sqlite3_str_append(&str, " (~1 row)", 9);
    }
#endif
    zMsg = sqlite3StrAccumFinish(&str);
    sqlite3ExplainBreakpoint("",zMsg);
    ret = sqlite3VdbeAddOp4(v, OP_Explain, sqlite3VdbeCurrentAddr(v),
                            pParse->addrExplain, 0, zMsg,P4_DYNAMIC);
  }
  return ret;
}
#endif /* SQLITE_OMIT_EXPLAIN */

534
535
536
537
538
539
540

541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
      }
    }
    for(i=iEq;i<pLoop->nLTerm; i++){
      assert( pLoop->aLTerm[i]!=0 );
      if( pLoop->aLTerm[i]->pExpr==pX ) nEq++;
    }


    if( (pX->flags & EP_xIsSelect)==0 || pX->x.pSelect->pEList->nExpr==1 ){
      eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, 0);
    }else{
      sqlite3 *db = pParse->db;
      pX = removeUnindexableInClauseTerms(pParse, iEq, pLoop, pX);

      if( !db->mallocFailed ){
        aiMap = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*nEq);
        eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap);
        pTerm->pExpr->iTable = pX->iTable;
      }
      sqlite3ExprDelete(db, pX);
      pX = pTerm->pExpr;
    }

    if( eType==IN_INDEX_INDEX_DESC ){
      testcase( bRev );
      bRev = !bRev;
    }
    iTab = pX->iTable;
    sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iTab, 0);
    VdbeCoverageIf(v, bRev);
    VdbeCoverageIf(v, !bRev);
    assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 );

    pLoop->wsFlags |= WHERE_IN_ABLE;
    if( pLevel->u.in.nIn==0 ){
      pLevel->addrNxt = sqlite3VdbeMakeLabel(v);
    }

    i = pLevel->u.in.nIn;
    pLevel->u.in.nIn += nEq;
    pLevel->u.in.aInLoop =
       sqlite3DbReallocOrFree(pParse->db, pLevel->u.in.aInLoop,
                              sizeof(pLevel->u.in.aInLoop[0])*pLevel->u.in.nIn);







>

|






|
|









<







|







535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
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555
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557
558
559
560
561

562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
      }
    }
    for(i=iEq;i<pLoop->nLTerm; i++){
      assert( pLoop->aLTerm[i]!=0 );
      if( pLoop->aLTerm[i]->pExpr==pX ) nEq++;
    }

    iTab = 0;
    if( (pX->flags & EP_xIsSelect)==0 || pX->x.pSelect->pEList->nExpr==1 ){
      eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, 0, &iTab);
    }else{
      sqlite3 *db = pParse->db;
      pX = removeUnindexableInClauseTerms(pParse, iEq, pLoop, pX);

      if( !db->mallocFailed ){
        aiMap = (int*)sqlite3DbMallocZero(pParse->db, sizeof(int)*nEq);
        eType = sqlite3FindInIndex(pParse, pX, IN_INDEX_LOOP, 0, aiMap, &iTab);
        pTerm->pExpr->iTable = iTab;
      }
      sqlite3ExprDelete(db, pX);
      pX = pTerm->pExpr;
    }

    if( eType==IN_INDEX_INDEX_DESC ){
      testcase( bRev );
      bRev = !bRev;
    }

    sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iTab, 0);
    VdbeCoverageIf(v, bRev);
    VdbeCoverageIf(v, !bRev);
    assert( (pLoop->wsFlags & WHERE_MULTI_OR)==0 );

    pLoop->wsFlags |= WHERE_IN_ABLE;
    if( pLevel->u.in.nIn==0 ){
      pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse);
    }

    i = pLevel->u.in.nIn;
    pLevel->u.in.nIn += nEq;
    pLevel->u.in.aInLoop =
       sqlite3DbReallocOrFree(pParse->db, pLevel->u.in.aInLoop,
                              sizeof(pLevel->u.in.aInLoop[0])*pLevel->u.in.nIn);
1160
1161
1162
1163
1164
1165
1166


1167
1168

1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
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1187
1188
1189
1190
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1192
1193
1194
1195
1196
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1199
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1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
}

/*
** Generate code for the start of the iLevel-th loop in the WHERE clause
** implementation described by pWInfo.
*/
Bitmask sqlite3WhereCodeOneLoopStart(


  WhereInfo *pWInfo,   /* Complete information about the WHERE clause */
  int iLevel,          /* Which level of pWInfo->a[] should be coded */

  Bitmask notReady     /* Which tables are currently available */
){
  int j, k;            /* Loop counters */
  int iCur;            /* The VDBE cursor for the table */
  int addrNxt;         /* Where to jump to continue with the next IN case */
  int omitTable;       /* True if we use the index only */
  int bRev;            /* True if we need to scan in reverse order */
  WhereLevel *pLevel;  /* The where level to be coded */
  WhereLoop *pLoop;    /* The WhereLoop object being coded */
  WhereClause *pWC;    /* Decomposition of the entire WHERE clause */
  WhereTerm *pTerm;               /* A WHERE clause term */
  Parse *pParse;                  /* Parsing context */
  sqlite3 *db;                    /* Database connection */
  Vdbe *v;                        /* The prepared stmt under constructions */
  struct SrcList_item *pTabItem;  /* FROM clause term being coded */
  int addrBrk;                    /* Jump here to break out of the loop */
  int addrHalt;                   /* addrBrk for the outermost loop */
  int addrCont;                   /* Jump here to continue with next cycle */
  int iRowidReg = 0;        /* Rowid is stored in this register, if not zero */
  int iReleaseReg = 0;      /* Temp register to free before returning */
  Index *pIdx = 0;          /* Index used by loop (if any) */
  int iLoop;                /* Iteration of constraint generator loop */

  pParse = pWInfo->pParse;
  v = pParse->pVdbe;
  pWC = &pWInfo->sWC;
  db = pParse->db;
  pLevel = &pWInfo->a[iLevel];
  pLoop = pLevel->pWLoop;
  pTabItem = &pWInfo->pTabList->a[pLevel->iFrom];
  iCur = pTabItem->iCursor;
  pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur);
  bRev = (pWInfo->revMask>>iLevel)&1;
  omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 
           && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0;
  VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName));

  /* Create labels for the "break" and "continue" instructions
  ** for the current loop.  Jump to addrBrk to break out of a loop.
  ** Jump to cont to go immediately to the next iteration of the
  ** loop.
  **
  ** When there is an IN operator, we also have a "addrNxt" label that
  ** means to continue with the next IN value combination.  When
  ** there are no IN operators in the constraints, the "addrNxt" label
  ** is the same as "addrBrk".
  */
  addrBrk = pLevel->addrBrk = pLevel->addrNxt = sqlite3VdbeMakeLabel(v);
  addrCont = pLevel->addrCont = sqlite3VdbeMakeLabel(v);

  /* If this is the right table of a LEFT OUTER JOIN, allocate and
  ** initialize a memory cell that records if this table matches any
  ** row of the left table of the join.
  */
  assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)
       || pLevel->iFrom>0 || (pTabItem[0].fg.jointype & JT_LEFT)==0







>
>


>





<

<



<

<









<
<


<





<
<












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|







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}

/*
** Generate code for the start of the iLevel-th loop in the WHERE clause
** implementation described by pWInfo.
*/
Bitmask sqlite3WhereCodeOneLoopStart(
  Parse *pParse,       /* Parsing context */
  Vdbe *v,             /* Prepared statement under construction */
  WhereInfo *pWInfo,   /* Complete information about the WHERE clause */
  int iLevel,          /* Which level of pWInfo->a[] should be coded */
  WhereLevel *pLevel,  /* The current level pointer */
  Bitmask notReady     /* Which tables are currently available */
){
  int j, k;            /* Loop counters */
  int iCur;            /* The VDBE cursor for the table */
  int addrNxt;         /* Where to jump to continue with the next IN case */

  int bRev;            /* True if we need to scan in reverse order */

  WhereLoop *pLoop;    /* The WhereLoop object being coded */
  WhereClause *pWC;    /* Decomposition of the entire WHERE clause */
  WhereTerm *pTerm;               /* A WHERE clause term */

  sqlite3 *db;                    /* Database connection */

  struct SrcList_item *pTabItem;  /* FROM clause term being coded */
  int addrBrk;                    /* Jump here to break out of the loop */
  int addrHalt;                   /* addrBrk for the outermost loop */
  int addrCont;                   /* Jump here to continue with next cycle */
  int iRowidReg = 0;        /* Rowid is stored in this register, if not zero */
  int iReleaseReg = 0;      /* Temp register to free before returning */
  Index *pIdx = 0;          /* Index used by loop (if any) */
  int iLoop;                /* Iteration of constraint generator loop */



  pWC = &pWInfo->sWC;
  db = pParse->db;

  pLoop = pLevel->pWLoop;
  pTabItem = &pWInfo->pTabList->a[pLevel->iFrom];
  iCur = pTabItem->iCursor;
  pLevel->notReady = notReady & ~sqlite3WhereGetMask(&pWInfo->sMaskSet, iCur);
  bRev = (pWInfo->revMask>>iLevel)&1;


  VdbeModuleComment((v, "Begin WHERE-loop%d: %s",iLevel,pTabItem->pTab->zName));

  /* Create labels for the "break" and "continue" instructions
  ** for the current loop.  Jump to addrBrk to break out of a loop.
  ** Jump to cont to go immediately to the next iteration of the
  ** loop.
  **
  ** When there is an IN operator, we also have a "addrNxt" label that
  ** means to continue with the next IN value combination.  When
  ** there are no IN operators in the constraints, the "addrNxt" label
  ** is the same as "addrBrk".
  */
  addrBrk = pLevel->addrBrk = pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse);
  addrCont = pLevel->addrCont = sqlite3VdbeMakeLabel(pParse);

  /* If this is the right table of a LEFT OUTER JOIN, allocate and
  ** initialize a memory cell that records if this table matches any
  ** row of the left table of the join.
  */
  assert( (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)
       || pLevel->iFrom>0 || (pTabItem[0].fg.jointype & JT_LEFT)==0
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    **          we reference multiple rows using a "rowid IN (...)"
    **          construct.
    */
    assert( pLoop->u.btree.nEq==1 );
    pTerm = pLoop->aLTerm[0];
    assert( pTerm!=0 );
    assert( pTerm->pExpr!=0 );
    assert( omitTable==0 );
    testcase( pTerm->wtFlags & TERM_VIRTUAL );
    iReleaseReg = ++pParse->nMem;
    iRowidReg = codeEqualityTerm(pParse, pTerm, pLevel, 0, bRev, iReleaseReg);
    if( iRowidReg!=iReleaseReg ) sqlite3ReleaseTempReg(pParse, iReleaseReg);
    addrNxt = pLevel->addrNxt;
    sqlite3VdbeAddOp3(v, OP_SeekRowid, iCur, addrNxt, iRowidReg);
    VdbeCoverage(v);
    pLevel->op = OP_Noop;
  }else if( (pLoop->wsFlags & WHERE_IPK)!=0
         && (pLoop->wsFlags & WHERE_COLUMN_RANGE)!=0
  ){
    /* Case 3:  We have an inequality comparison against the ROWID field.
    */
    int testOp = OP_Noop;
    int start;
    int memEndValue = 0;
    WhereTerm *pStart, *pEnd;

    assert( omitTable==0 );
    j = 0;
    pStart = pEnd = 0;
    if( pLoop->wsFlags & WHERE_BTM_LIMIT ) pStart = pLoop->aLTerm[j++];
    if( pLoop->wsFlags & WHERE_TOP_LIMIT ) pEnd = pLoop->aLTerm[j++];
    assert( pStart!=0 || pEnd!=0 );
    if( bRev ){
      pTerm = pStart;







<


















<







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    **          we reference multiple rows using a "rowid IN (...)"
    **          construct.
    */
    assert( pLoop->u.btree.nEq==1 );
    pTerm = pLoop->aLTerm[0];
    assert( pTerm!=0 );
    assert( pTerm->pExpr!=0 );

    testcase( pTerm->wtFlags & TERM_VIRTUAL );
    iReleaseReg = ++pParse->nMem;
    iRowidReg = codeEqualityTerm(pParse, pTerm, pLevel, 0, bRev, iReleaseReg);
    if( iRowidReg!=iReleaseReg ) sqlite3ReleaseTempReg(pParse, iReleaseReg);
    addrNxt = pLevel->addrNxt;
    sqlite3VdbeAddOp3(v, OP_SeekRowid, iCur, addrNxt, iRowidReg);
    VdbeCoverage(v);
    pLevel->op = OP_Noop;
  }else if( (pLoop->wsFlags & WHERE_IPK)!=0
         && (pLoop->wsFlags & WHERE_COLUMN_RANGE)!=0
  ){
    /* Case 3:  We have an inequality comparison against the ROWID field.
    */
    int testOp = OP_Noop;
    int start;
    int memEndValue = 0;
    WhereTerm *pStart, *pEnd;


    j = 0;
    pStart = pEnd = 0;
    if( pLoop->wsFlags & WHERE_BTM_LIMIT ) pStart = pLoop->aLTerm[j++];
    if( pLoop->wsFlags & WHERE_TOP_LIMIT ) pEnd = pLoop->aLTerm[j++];
    assert( pStart!=0 || pEnd!=0 );
    if( bRev ){
      pTerm = pStart;
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    int iIdxCur;                 /* The VDBE cursor for the index */
    int nExtraReg = 0;           /* Number of extra registers needed */
    int op;                      /* Instruction opcode */
    char *zStartAff;             /* Affinity for start of range constraint */
    char *zEndAff = 0;           /* Affinity for end of range constraint */
    u8 bSeekPastNull = 0;        /* True to seek past initial nulls */
    u8 bStopAtNull = 0;          /* Add condition to terminate at NULLs */



    pIdx = pLoop->u.btree.pIndex;
    iIdxCur = pLevel->iIdxCur;
    assert( nEq>=pLoop->nSkip );

    /* If this loop satisfies a sort order (pOrderBy) request that 
    ** was passed to this function to implement a "SELECT min(x) ..." 







>
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    int iIdxCur;                 /* The VDBE cursor for the index */
    int nExtraReg = 0;           /* Number of extra registers needed */
    int op;                      /* Instruction opcode */
    char *zStartAff;             /* Affinity for start of range constraint */
    char *zEndAff = 0;           /* Affinity for end of range constraint */
    u8 bSeekPastNull = 0;        /* True to seek past initial nulls */
    u8 bStopAtNull = 0;          /* Add condition to terminate at NULLs */
    int omitTable;               /* True if we use the index only */


    pIdx = pLoop->u.btree.pIndex;
    iIdxCur = pLevel->iIdxCur;
    assert( nEq>=pLoop->nSkip );

    /* If this loop satisfies a sort order (pOrderBy) request that 
    ** was passed to this function to implement a "SELECT min(x) ..." 
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    }

    if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){
      sqlite3VdbeAddOp2(v, OP_SeekHit, iIdxCur, 1);
    }

    /* Seek the table cursor, if required */


    if( omitTable ){
      /* pIdx is a covering index.  No need to access the main table. */
    }else if( HasRowid(pIdx->pTable) ){
      if( (pWInfo->wctrlFlags & WHERE_SEEK_TABLE) || (
          (pWInfo->wctrlFlags & WHERE_SEEK_UNIQ_TABLE) 
       && (pWInfo->eOnePass==ONEPASS_SINGLE)
      )){







>
>







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    }

    if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){
      sqlite3VdbeAddOp2(v, OP_SeekHit, iIdxCur, 1);
    }

    /* Seek the table cursor, if required */
    omitTable = (pLoop->wsFlags & WHERE_IDX_ONLY)!=0 
           && (pWInfo->wctrlFlags & WHERE_OR_SUBCLAUSE)==0;
    if( omitTable ){
      /* pIdx is a covering index.  No need to access the main table. */
    }else if( HasRowid(pIdx->pTable) ){
      if( (pWInfo->wctrlFlags & WHERE_SEEK_TABLE) || (
          (pWInfo->wctrlFlags & WHERE_SEEK_UNIQ_TABLE) 
       && (pWInfo->eOnePass==ONEPASS_SINGLE)
      )){
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    SrcList *pOrTab;       /* Shortened table list or OR-clause generation */
    Index *pCov = 0;             /* Potential covering index (or NULL) */
    int iCovCur = pParse->nTab++;  /* Cursor used for index scans (if any) */

    int regReturn = ++pParse->nMem;           /* Register used with OP_Gosub */
    int regRowset = 0;                        /* Register for RowSet object */
    int regRowid = 0;                         /* Register holding rowid */
    int iLoopBody = sqlite3VdbeMakeLabel(v);  /* Start of loop body */
    int iRetInit;                             /* Address of regReturn init */
    int untestedTerms = 0;             /* Some terms not completely tested */
    int ii;                            /* Loop counter */
    u16 wctrlFlags;                    /* Flags for sub-WHERE clause */
    Expr *pAndExpr = 0;                /* An ".. AND (...)" expression */
    Table *pTab = pTabItem->pTab;








|







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    SrcList *pOrTab;       /* Shortened table list or OR-clause generation */
    Index *pCov = 0;             /* Potential covering index (or NULL) */
    int iCovCur = pParse->nTab++;  /* Cursor used for index scans (if any) */

    int regReturn = ++pParse->nMem;           /* Register used with OP_Gosub */
    int regRowset = 0;                        /* Register for RowSet object */
    int regRowid = 0;                         /* Register holding rowid */
    int iLoopBody = sqlite3VdbeMakeLabel(pParse);/* Start of loop body */
    int iRetInit;                             /* Address of regReturn init */
    int untestedTerms = 0;             /* Some terms not completely tested */
    int ii;                            /* Loop counter */
    u16 wctrlFlags;                    /* Flags for sub-WHERE clause */
    Expr *pAndExpr = 0;                /* An ".. AND (...)" expression */
    Table *pTab = pTabItem->pTab;

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             || ExprHasProperty(pOrExpr, EP_FromJoin) 
        );
        if( pAndExpr ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */

        WHERETRACE(0xffff, ("Subplan for OR-clause:\n"));
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
                                      wctrlFlags, iCovCur);
        assert( pSubWInfo || pParse->nErr || db->mallocFailed );
        if( pSubWInfo ){
          WhereLoop *pSubLoop;
          int addrExplain = sqlite3WhereExplainOneScan(







>







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             || ExprHasProperty(pOrExpr, EP_FromJoin) 
        );
        if( pAndExpr ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */
        ExplainQueryPlan((pParse, 1, "INDEX %d", ii+1));
        WHERETRACE(0xffff, ("Subplan for OR-clause:\n"));
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
                                      wctrlFlags, iCovCur);
        assert( pSubWInfo || pParse->nErr || db->mallocFailed );
        if( pSubWInfo ){
          WhereLoop *pSubLoop;
          int addrExplain = sqlite3WhereExplainOneScan(
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            pCov = pSubLoop->u.btree.pIndex;
          }else{
            pCov = 0;
          }

          /* Finish the loop through table entries that match term pOrTerm. */
          sqlite3WhereEnd(pSubWInfo);

        }
      }
    }
    ExplainQueryPlanPop(pParse);
    pLevel->u.pCovidx = pCov;
    if( pCov ) pLevel->iIdxCur = iCovCur;
    if( pAndExpr ){







>







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            pCov = pSubLoop->u.btree.pIndex;
          }else{
            pCov = 0;
          }

          /* Finish the loop through table entries that match term pOrTerm. */
          sqlite3WhereEnd(pSubWInfo);
          ExplainQueryPlanPop(pParse);
        }
      }
    }
    ExplainQueryPlanPop(pParse);
    pLevel->u.pCovidx = pCov;
    if( pCov ) pLevel->iIdxCur = iCovCur;
    if( pAndExpr ){
Changes to src/window.c.
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  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    if( pFunc->zName==nth_valueName
     || pFunc->zName==first_valueName
    ){
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(v);
      int tmpReg = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);

      if( pFunc->zName==nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+1,tmpReg);
        windowCheckIntValue(pParse, tmpReg, 2);
      }else{







|







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  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    if( pFunc->zName==nth_valueName
     || pFunc->zName==first_valueName
    ){
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(pParse);
      int tmpReg = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);

      if( pFunc->zName==nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+1,tmpReg);
        windowCheckIntValue(pParse, tmpReg, 2);
      }else{
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      sqlite3VdbeResolveLabel(v, lbl);
      sqlite3ReleaseTempReg(pParse, tmpReg);
    }
    else if( pFunc->zName==leadName || pFunc->zName==lagName ){
      int nArg = pWin->pOwner->x.pList->nExpr;
      int iEph = pMWin->iEphCsr;
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(v);
      int tmpReg = sqlite3GetTempReg(pParse);

      if( nArg<3 ){
        sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, iEph, pWin->iArgCol+2, pWin->regResult);
      }







|







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      sqlite3VdbeResolveLabel(v, lbl);
      sqlite3ReleaseTempReg(pParse, tmpReg);
    }
    else if( pFunc->zName==leadName || pFunc->zName==lagName ){
      int nArg = pWin->pOwner->x.pList->nExpr;
      int iEph = pMWin->iEphCsr;
      int csr = pWin->csrApp;
      int lbl = sqlite3VdbeMakeLabel(pParse);
      int tmpReg = sqlite3GetTempReg(pParse);

      if( nArg<3 ){
        sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regResult);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, iEph, pWin->iArgCol+2, pWin->regResult);
      }
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       || pMWin->eEnd==TK_CURRENT 
       || pMWin->eEnd==TK_UNBOUNDED 
       || pMWin->eEnd==TK_PRECEDING 
  );

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(v);
  lblFlushDone = sqlite3VdbeMakeLabel(v);

  regStart = ++pParse->nMem;
  regEnd = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);

  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);







|
|







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       || pMWin->eEnd==TK_CURRENT 
       || pMWin->eEnd==TK_UNBOUNDED 
       || pMWin->eEnd==TK_PRECEDING 
  );

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(pParse);
  lblFlushDone = sqlite3VdbeMakeLabel(pParse);

  regStart = ++pParse->nMem;
  regEnd = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);

  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);
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    sqlite3VdbeJumpHere(v, addrIfPos2);
  }

  if( pMWin->eStart==TK_CURRENT 
   || pMWin->eStart==TK_PRECEDING 
   || pMWin->eStart==TK_FOLLOWING 
  ){
    int lblSkipInverse = sqlite3VdbeMakeLabel(v);;
    if( pMWin->eStart==TK_PRECEDING ){
      sqlite3VdbeAddOp3(v, OP_IfPos, regStart, lblSkipInverse, 1);
      VdbeCoverage(v);
    }
    if( pMWin->eStart==TK_FOLLOWING ){
      sqlite3VdbeAddOp2(v, OP_Next, csrStart, sqlite3VdbeCurrentAddr(v)+2);
      VdbeCoverage(v);







|







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    sqlite3VdbeJumpHere(v, addrIfPos2);
  }

  if( pMWin->eStart==TK_CURRENT 
   || pMWin->eStart==TK_PRECEDING 
   || pMWin->eStart==TK_FOLLOWING 
  ){
    int lblSkipInverse = sqlite3VdbeMakeLabel(pParse);;
    if( pMWin->eStart==TK_PRECEDING ){
      sqlite3VdbeAddOp3(v, OP_IfPos, regStart, lblSkipInverse, 1);
      VdbeCoverage(v);
    }
    if( pMWin->eStart==TK_FOLLOWING ){
      sqlite3VdbeAddOp2(v, OP_Next, csrStart, sqlite3VdbeCurrentAddr(v)+2);
      VdbeCoverage(v);
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  assert( (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_UNBOUNDED) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_UNBOUNDED) 
  );

  lblEmpty = sqlite3VdbeMakeLabel(v);
  regNewPeer = pParse->nMem+1;
  pParse->nMem += nPeer;

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(v);

  csrLead = pParse->nTab++;
  regCtr = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);
  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);








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  assert( (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_UNBOUNDED && pMWin->eEnd==TK_UNBOUNDED) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_CURRENT) 
       || (pMWin->eStart==TK_CURRENT && pMWin->eEnd==TK_UNBOUNDED) 
  );

  lblEmpty = sqlite3VdbeMakeLabel(pParse);
  regNewPeer = pParse->nMem+1;
  pParse->nMem += nPeer;

  /* Allocate register and label for the "flush_partition" sub-routine. */
  regFlushPart = ++pParse->nMem;
  lblFlushPart = sqlite3VdbeMakeLabel(pParse);

  csrLead = pParse->nTab++;
  regCtr = ++pParse->nMem;

  windowPartitionCache(pParse, p, pWInfo, regFlushPart, lblFlushPart, &regSize);
  addrGoto = sqlite3VdbeAddOp0(v, OP_Goto);

Changes to test/autoindex1.test.
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}
do_eqp_test autoindex1-500.1 {
  SELECT b FROM t501
   WHERE t501.a IN (SELECT x FROM t502 WHERE y=?);
} {
  QUERY PLAN
  |--SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)
  `--LIST SUBQUERY
     `--SCAN TABLE t502
}
do_eqp_test autoindex1-501 {
  SELECT b FROM t501
   WHERE t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
} {
  QUERY PLAN
  |--SCAN TABLE t501
  `--CORRELATED LIST SUBQUERY
     `--SEARCH TABLE t502 USING AUTOMATIC COVERING INDEX (y=?)
}
do_eqp_test autoindex1-502 {
  SELECT b FROM t501
   WHERE t501.a=123
     AND t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
} {
  QUERY PLAN
  |--SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)
  `--CORRELATED LIST SUBQUERY
     `--SCAN TABLE t502
}

# The following code checks a performance regression reported on the
# mailing list on 2010-10-19.  The problem is that the nRowEst field
# of ephermeral tables was not being initialized correctly and so no
# automatic index was being created for the emphemeral table when it was







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}
do_eqp_test autoindex1-500.1 {
  SELECT b FROM t501
   WHERE t501.a IN (SELECT x FROM t502 WHERE y=?);
} {
  QUERY PLAN
  |--SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)
  `--LIST SUBQUERY xxxxxx
     `--SCAN TABLE t502
}
do_eqp_test autoindex1-501 {
  SELECT b FROM t501
   WHERE t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
} {
  QUERY PLAN
  |--SCAN TABLE t501
  `--CORRELATED LIST SUBQUERY xxxxxx
     `--SEARCH TABLE t502 USING AUTOMATIC COVERING INDEX (y=?)
}
do_eqp_test autoindex1-502 {
  SELECT b FROM t501
   WHERE t501.a=123
     AND t501.a IN (SELECT x FROM t502 WHERE y=t501.b);
} {
  QUERY PLAN
  |--SEARCH TABLE t501 USING INTEGER PRIMARY KEY (rowid=?)
  `--CORRELATED LIST SUBQUERY xxxxxx
     `--SCAN TABLE t502
}

# The following code checks a performance regression reported on the
# mailing list on 2010-10-19.  The problem is that the nRowEst field
# of ephermeral tables was not being initialized correctly and so no
# automatic index was being created for the emphemeral table when it was
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   WHERE y.sheep_no IS NULL
   ORDER BY x.registering_flock;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SCAN TABLE sheep AS s
  |  |--SEARCH TABLE flock_owner AS prev USING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date<?)
  |  `--CORRELATED SCALAR SUBQUERY
  |     `--SEARCH TABLE flock_owner AS later USING COVERING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date>? AND owner_change_date<?)
  |--SCAN TABLE sheep AS x USING INDEX sheep_reg_flock_index
  `--SEARCH SUBQUERY xxxxxx AS y USING AUTOMATIC COVERING INDEX (sheep_no=?)
}


do_execsql_test autoindex1-700 {







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   WHERE y.sheep_no IS NULL
   ORDER BY x.registering_flock;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SCAN TABLE sheep AS s
  |  |--SEARCH TABLE flock_owner AS prev USING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date<?)
  |  `--CORRELATED SCALAR SUBQUERY xxxxxx
  |     `--SEARCH TABLE flock_owner AS later USING COVERING INDEX sqlite_autoindex_flock_owner_1 (flock_no=? AND owner_change_date>? AND owner_change_date<?)
  |--SCAN TABLE sheep AS x USING INDEX sheep_reg_flock_index
  `--SEARCH SUBQUERY xxxxxx AS y USING AUTOMATIC COVERING INDEX (sheep_no=?)
}


do_execsql_test autoindex1-700 {
Changes to test/bestindex3.test.
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} {SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a EQ ?}

do_eqp_test 1.3 {
  SELECT * FROM t1 WHERE a = 'abc' OR b = 'def';
} {
  QUERY PLAN
  `--MULTI-INDEX OR

     |--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a EQ ?

     `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:b EQ ?
}

do_eqp_test 1.4 {
  SELECT * FROM t1 WHERE a LIKE 'abc%' OR b = 'def';
} {
  QUERY PLAN
  `--MULTI-INDEX OR

     |--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a LIKE ?

     `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:b EQ ?
}

do_execsql_test 1.5 {
  CREATE TABLE ttt(a, b, c);

  INSERT INTO ttt VALUES(1, 'two',   'three');
  INSERT INTO ttt VALUES(2, 'one',   'two');







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} {SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a EQ ?}

do_eqp_test 1.3 {
  SELECT * FROM t1 WHERE a = 'abc' OR b = 'def';
} {
  QUERY PLAN
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a EQ ?
     `--INDEX 2
        `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:b EQ ?
}

do_eqp_test 1.4 {
  SELECT * FROM t1 WHERE a LIKE 'abc%' OR b = 'def';
} {
  QUERY PLAN
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:a LIKE ?
     `--INDEX 2
        `--SCAN TABLE t1 VIRTUAL TABLE INDEX 0:b EQ ?
}

do_execsql_test 1.5 {
  CREATE TABLE ttt(a, b, c);

  INSERT INTO ttt VALUES(1, 'two',   'three');
  INSERT INTO ttt VALUES(2, 'one',   'two');
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  }

  do_eqp_test 2.2 {
    SELECT * FROM t2 WHERE x LIKE 'abc%' OR y = 'def'
  } [string map {"\n  " \n} {
    QUERY PLAN
    `--MULTI-INDEX OR

       |--SEARCH TABLE t2 USING INDEX t2x (x>? AND x<?)

       `--SEARCH TABLE t2 USING INDEX t2y (y=?)
  }]
}

#-------------------------------------------------------------------------
# Test that any PRIMARY KEY within a sqlite3_decl_vtab() CREATE TABLE 
# statement is currently ignored.
#







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  }

  do_eqp_test 2.2 {
    SELECT * FROM t2 WHERE x LIKE 'abc%' OR y = 'def'
  } [string map {"\n  " \n} {
    QUERY PLAN
    `--MULTI-INDEX OR
       |--INDEX 1
       |  `--SEARCH TABLE t2 USING INDEX t2x (x>? AND x<?)
       `--INDEX 2
          `--SEARCH TABLE t2 USING INDEX t2y (y=?)
  }]
}

#-------------------------------------------------------------------------
# Test that any PRIMARY KEY within a sqlite3_decl_vtab() CREATE TABLE 
# statement is currently ignored.
#
Changes to test/btree02.test.
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set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db eval
do_execsql_test btree02-100 {
  CREATE TABLE t1(a TEXT, ax INTEGER, b INT, PRIMARY KEY(a,ax)) WITHOUT ROWID;
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
    INSERT INTO t1(a,ax,b) SELECT printf('%02x',i), random(), i FROM c;
  CREATE INDEX t1a ON t1(a);
  CREATE TABLE t2(x,y);
  CREATE TABLE t3(cnt);
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<4)
    INSERT INTO t3(cnt) SELECT i FROM c;
  SELECT count(*) FROM t1;
} {10}






do_test btree02-110 {
  db eval BEGIN
  set i 0

  db eval {SELECT a, ax, b, cnt FROM t1 CROSS JOIN t3 WHERE b IS NOT NULL} {
    if {$a==""} {set a 0}
    if {$b==""} {set b 0}    
    db eval {INSERT INTO t2(x,y) VALUES($b,$cnt)}
    # puts "a,b,cnt = ($a,$b,$cnt)"
    incr i
    if {$i%2==1} {
      set bx [expr {$b+1000}]
      # puts "INSERT ($a),$bx"
      db eval {INSERT INTO t1(a,ax,b) VALUES(printf('(%s)',$a),random(),$bx)}

    } else {
      # puts "DELETE a=$a"
      db eval {DELETE FROM t1 WHERE a=$a}

    }
    db eval {COMMIT; BEGIN}
  }  
  db one {COMMIT; SELECT count(*) FROM t1;}
} {27}

finish_test







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set testdir [file dirname $argv0]
source $testdir/tester.tcl

load_static_extension db eval
do_execsql_test btree02-100 {
  CREATE TABLE t1(a TEXT, ax INTEGER, b INT, PRIMARY KEY(a,ax)) WITHOUT ROWID;
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<10)
    INSERT INTO t1(a,ax,b) SELECT printf('%02x',i+160), random(), i FROM c;
  CREATE INDEX t1a ON t1(a);
  CREATE TABLE t2(x,y);
  CREATE TABLE t3(cnt);
  WITH RECURSIVE c(i) AS (VALUES(1) UNION ALL SELECT i+1 FROM c WHERE i<4)
    INSERT INTO t3(cnt) SELECT i FROM c;
  SELECT count(*) FROM t1;
} {10}

proc showt1 {} {
  puts -nonewline "t1: "
  puts [db eval {SELECT printf('(%s,%s)',quote(a),quote(b)) FROM t1}]
}

do_test btree02-110 {
  db eval BEGIN
  set i 0
  # showt1
  db eval {SELECT a, ax, b, cnt FROM t1 CROSS JOIN t3 WHERE b IS NOT NULL} {
    if {$a==""} continue

    db eval {INSERT INTO t2(x,y) VALUES($b,$cnt)}
    # puts "a,b,cnt = ($a,$b,$cnt)"
    incr i
    if {$i%2==1} {
      set bx [expr {$b+1000}]
      #  puts "INSERT ($a),$bx"
      db eval {INSERT INTO t1(a,ax,b) VALUES(printf('(%s)',$a),random(),$bx)}
      # showt1
    } else {
      # puts "DELETE a=$a"
      db eval {DELETE FROM t1 WHERE a=$a}
      # showt1
    }
    db eval {COMMIT; BEGIN}
  }  
  db one {COMMIT; SELECT count(*) FROM t1;}
} {10}

finish_test
Changes to test/cost.test.
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do_eqp_test 3.2 {
  SELECT a FROM t5 
  WHERE b IS NULL OR c IS NULL OR d IS NULL 
  ORDER BY a;
} {
  QUERY PLAN
  |--MULTI-INDEX OR

  |  |--SEARCH TABLE t5 USING INDEX t5b (b=?)

  |  |--SEARCH TABLE t5 USING INDEX t5c (c=?)

  |  `--SEARCH TABLE t5 USING INDEX t5d (d=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

#-------------------------------------------------------------------------
# If there is no likelihood() or stat3 data, SQLite assumes that a closed
# range scan (e.g. one constrained by "col BETWEEN ? AND ?" constraint)
# visits 1/64 of the rows in a table.







>
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do_eqp_test 3.2 {
  SELECT a FROM t5 
  WHERE b IS NULL OR c IS NULL OR d IS NULL 
  ORDER BY a;
} {
  QUERY PLAN
  |--MULTI-INDEX OR
  |  |--INDEX 1
  |  |  `--SEARCH TABLE t5 USING INDEX t5b (b=?)
  |  |--INDEX 2
  |  |  `--SEARCH TABLE t5 USING INDEX t5c (c=?)
  |  `--INDEX 3
  |     `--SEARCH TABLE t5 USING INDEX t5d (d=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

#-------------------------------------------------------------------------
# If there is no likelihood() or stat3 data, SQLite assumes that a closed
# range scan (e.g. one constrained by "col BETWEEN ? AND ?" constraint)
# visits 1/64 of the rows in a table.
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}

do_eqp_test 6.2 {
  SELECT a FROM t3 WHERE (b BETWEEN 2 AND 4) OR c=100 ORDER BY a
} {
  QUERY PLAN
  |--MULTI-INDEX OR

  |  |--SEARCH TABLE t3 USING INDEX t3i1 (b>? AND b<?)

  |  `--SEARCH TABLE t3 USING INDEX t3i2 (c=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 7.1 {







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}

do_eqp_test 6.2 {
  SELECT a FROM t3 WHERE (b BETWEEN 2 AND 4) OR c=100 ORDER BY a
} {
  QUERY PLAN
  |--MULTI-INDEX OR
  |  |--INDEX 1
  |  |  `--SEARCH TABLE t3 USING INDEX t3i1 (b>? AND b<?)
  |  `--INDEX 2
  |     `--SEARCH TABLE t3 USING INDEX t3i2 (c=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

#-------------------------------------------------------------------------
#
reset_db
do_execsql_test 7.1 {
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do_eqp_test 7.2 {
  SELECT a FROM t1
     WHERE (b>=950 AND b<=1010) OR (b IS NULL AND c NOT NULL)
  ORDER BY a
} {
  QUERY PLAN
  |--MULTI-INDEX OR

  |  |--SEARCH TABLE t1 USING INDEX t1b (b>? AND b<?)

  |  `--SEARCH TABLE t1 USING INDEX t1b (b=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

do_eqp_test 7.3 {
  SELECT rowid FROM t1
  WHERE (+b IS NULL AND c NOT NULL AND d NOT NULL)
        OR (b NOT NULL AND c IS NULL AND d NOT NULL)







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do_eqp_test 7.2 {
  SELECT a FROM t1
     WHERE (b>=950 AND b<=1010) OR (b IS NULL AND c NOT NULL)
  ORDER BY a
} {
  QUERY PLAN
  |--MULTI-INDEX OR
  |  |--INDEX 1
  |  |  `--SEARCH TABLE t1 USING INDEX t1b (b>? AND b<?)
  |  `--INDEX 2
  |     `--SEARCH TABLE t1 USING INDEX t1b (b=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

do_eqp_test 7.3 {
  SELECT rowid FROM t1
  WHERE (+b IS NULL AND c NOT NULL AND d NOT NULL)
        OR (b NOT NULL AND c IS NULL AND d NOT NULL)
Changes to test/eqp.test.
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}

do_eqp_test 1.2 {
  SELECT * FROM t2, t1 WHERE t1.a=1 OR t1.b=2;
} {
  QUERY PLAN
  |--MULTI-INDEX OR

  |  |--SEARCH TABLE t1 USING INDEX i1 (a=?)

  |  `--SEARCH TABLE t1 USING INDEX i2 (b=?)
  `--SCAN TABLE t2
}
do_eqp_test 1.3 {
  SELECT * FROM t2 CROSS JOIN t1 WHERE t1.a=1 OR t1.b=2;
} {
  QUERY PLAN
  |--SCAN TABLE t2
  `--MULTI-INDEX OR

     |--SEARCH TABLE t1 USING INDEX i1 (a=?)

     `--SEARCH TABLE t1 USING INDEX i2 (b=?)
}
do_eqp_test 1.3 {
  SELECT a FROM t1 ORDER BY a
} {
  QUERY PLAN
  `--SCAN TABLE t1 USING COVERING INDEX i1
}







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}

do_eqp_test 1.2 {
  SELECT * FROM t2, t1 WHERE t1.a=1 OR t1.b=2;
} {
  QUERY PLAN
  |--MULTI-INDEX OR
  |  |--INDEX 1
  |  |  `--SEARCH TABLE t1 USING INDEX i1 (a=?)
  |  `--INDEX 2
  |     `--SEARCH TABLE t1 USING INDEX i2 (b=?)
  `--SCAN TABLE t2
}
do_eqp_test 1.3 {
  SELECT * FROM t2 CROSS JOIN t1 WHERE t1.a=1 OR t1.b=2;
} {
  QUERY PLAN
  |--SCAN TABLE t2
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SEARCH TABLE t1 USING INDEX i1 (a=?)
     `--INDEX 2
        `--SEARCH TABLE t1 USING INDEX i2 (b=?)
}
do_eqp_test 1.3 {
  SELECT a FROM t1 ORDER BY a
} {
  QUERY PLAN
  `--SCAN TABLE t1 USING COVERING INDEX i1
}
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# Test cases eqp-3.* - tests for select statements that use sub-selects.
#
do_eqp_test 3.1.1 {
  SELECT (SELECT x FROM t1 AS sub) FROM t1;
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY
     `--SCAN TABLE t1 AS sub
}
do_eqp_test 3.1.2 {
  SELECT * FROM t1 WHERE (SELECT x FROM t1 AS sub);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY
     `--SCAN TABLE t1 AS sub
}
do_eqp_test 3.1.3 {
  SELECT * FROM t1 WHERE (SELECT x FROM t1 AS sub ORDER BY y);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY
     |--SCAN TABLE t1 AS sub
     `--USE TEMP B-TREE FOR ORDER BY
}
do_eqp_test 3.1.4 {
  SELECT * FROM t1 WHERE (SELECT x FROM t2 ORDER BY x);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY
     `--SCAN TABLE t2 USING COVERING INDEX t2i1
}

det 3.2.1 {
  SELECT * FROM (SELECT * FROM t1 ORDER BY x LIMIT 10) ORDER BY y LIMIT 5
} {
  QUERY PLAN







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# Test cases eqp-3.* - tests for select statements that use sub-selects.
#
do_eqp_test 3.1.1 {
  SELECT (SELECT x FROM t1 AS sub) FROM t1;
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY xxxxxx
     `--SCAN TABLE t1 AS sub
}
do_eqp_test 3.1.2 {
  SELECT * FROM t1 WHERE (SELECT x FROM t1 AS sub);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY xxxxxx
     `--SCAN TABLE t1 AS sub
}
do_eqp_test 3.1.3 {
  SELECT * FROM t1 WHERE (SELECT x FROM t1 AS sub ORDER BY y);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY xxxxxx
     |--SCAN TABLE t1 AS sub
     `--USE TEMP B-TREE FOR ORDER BY
}
do_eqp_test 3.1.4 {
  SELECT * FROM t1 WHERE (SELECT x FROM t2 ORDER BY x);
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--SCALAR SUBQUERY xxxxxx
     `--SCAN TABLE t2 USING COVERING INDEX t2i1
}

det 3.2.1 {
  SELECT * FROM (SELECT * FROM t1 ORDER BY x LIMIT 10) ORDER BY y LIMIT 5
} {
  QUERY PLAN
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}

det 3.3.1 {
  SELECT * FROM t1 WHERE y IN (SELECT y FROM t2)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--LIST SUBQUERY
     `--SCAN TABLE t2
}
det 3.3.2 {
  SELECT * FROM t1 WHERE y IN (SELECT y FROM t2 WHERE t1.x!=t2.x)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--CORRELATED LIST SUBQUERY
     `--SCAN TABLE t2
}
det 3.3.3 {
  SELECT * FROM t1 WHERE EXISTS (SELECT y FROM t2 WHERE t1.x!=t2.x)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--CORRELATED SCALAR SUBQUERY
     `--SCAN TABLE t2
}

#-------------------------------------------------------------------------
# Test cases eqp-4.* - tests for composite select statements.
#
do_eqp_test 4.1.1 {







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}

det 3.3.1 {
  SELECT * FROM t1 WHERE y IN (SELECT y FROM t2)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--LIST SUBQUERY xxxxxx
     `--SCAN TABLE t2
}
det 3.3.2 {
  SELECT * FROM t1 WHERE y IN (SELECT y FROM t2 WHERE t1.x!=t2.x)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--CORRELATED LIST SUBQUERY xxxxxx
     `--SCAN TABLE t2
}
det 3.3.3 {
  SELECT * FROM t1 WHERE EXISTS (SELECT y FROM t2 WHERE t1.x!=t2.x)
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--CORRELATED SCALAR SUBQUERY xxxxxx
     `--SCAN TABLE t2
}

#-------------------------------------------------------------------------
# Test cases eqp-4.* - tests for composite select statements.
#
do_eqp_test 4.1.1 {
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    AND event.objid=thread.last
  ORDER BY 1;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SCAN TABLE forumpost AS x USING INDEX forumthread
  |  |--USING ROWID SEARCH ON TABLE private FOR IN-OPERATOR
  |  |--CORRELATED SCALAR SUBQUERY
  |  |  |--SEARCH TABLE forumpost USING COVERING INDEX forumthread (froot=?)
  |  |  `--USING ROWID SEARCH ON TABLE private FOR IN-OPERATOR
  |  `--USE TEMP B-TREE FOR ORDER BY
  |--SCAN SUBQUERY xxxxxx
  |--SEARCH TABLE blob USING INTEGER PRIMARY KEY (rowid=?)
  |--SEARCH TABLE event USING INTEGER PRIMARY KEY (rowid=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

finish_test







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    AND event.objid=thread.last
  ORDER BY 1;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SCAN TABLE forumpost AS x USING INDEX forumthread
  |  |--USING ROWID SEARCH ON TABLE private FOR IN-OPERATOR
  |  |--CORRELATED SCALAR SUBQUERY xxxxxx
  |  |  |--SEARCH TABLE forumpost USING COVERING INDEX forumthread (froot=?)
  |  |  `--USING ROWID SEARCH ON TABLE private FOR IN-OPERATOR
  |  `--USE TEMP B-TREE FOR ORDER BY
  |--SCAN SUBQUERY xxxxxx
  |--SEARCH TABLE blob USING INTEGER PRIMARY KEY (rowid=?)
  |--SEARCH TABLE event USING INTEGER PRIMARY KEY (rowid=?)
  `--USE TEMP B-TREE FOR ORDER BY
}

finish_test
Changes to test/join5.test.
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  SELECT * FROM t1 LEFT JOIN t2 ON (
    t2.x = t1.x AND (t2.y=? OR (t2.y=? AND t2.z IS NOT NULL))
  );
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--MULTI-INDEX OR

     |--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)

     `--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
}

do_execsql_test 7.3 {
  CREATE TABLE t3(x);

  CREATE TABLE t4(x, y, z);
  CREATE INDEX t4xy ON t4(x, y);







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  SELECT * FROM t1 LEFT JOIN t2 ON (
    t2.x = t1.x AND (t2.y=? OR (t2.y=? AND t2.z IS NOT NULL))
  );
} {
  QUERY PLAN
  |--SCAN TABLE t1
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
     `--INDEX 2
        `--SEARCH TABLE t2 USING INDEX t2xy (x=? AND y=?)
}

do_execsql_test 7.3 {
  CREATE TABLE t3(x);

  CREATE TABLE t4(x, y, z);
  CREATE INDEX t4xy ON t4(x, y);
Changes to test/rowvalue4.test.
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do_eqp_test 5.1 {
  SELECT * FROM d2 WHERE 
    (a, b) IN (SELECT x, y FROM d1) AND
    (c) IN (SELECT y FROM d1)
} {
  QUERY PLAN
  |--SEARCH TABLE d2 USING INDEX d2ab (a=? AND b=?)
  |--LIST SUBQUERY
  |  `--SCAN TABLE d1
  `--LIST SUBQUERY
     `--SCAN TABLE d1
}

do_execsql_test 6.0 {
  CREATE TABLE e1(a, b, c, d, e);
  CREATE INDEX e1ab ON e1(a, b);
  CREATE INDEX e1cde ON e1(c, d, e);







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do_eqp_test 5.1 {
  SELECT * FROM d2 WHERE 
    (a, b) IN (SELECT x, y FROM d1) AND
    (c) IN (SELECT y FROM d1)
} {
  QUERY PLAN
  |--SEARCH TABLE d2 USING INDEX d2ab (a=? AND b=?)
  |--LIST SUBQUERY xxxxxx
  |  `--SCAN TABLE d1
  `--LIST SUBQUERY xxxxxx
     `--SCAN TABLE d1
}

do_execsql_test 6.0 {
  CREATE TABLE e1(a, b, c, d, e);
  CREATE INDEX e1ab ON e1(a, b);
  CREATE INDEX e1cde ON e1(c, d, e);
Changes to test/tkt-80ba201079.test.
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             AND entry_id IN (SELECT change_id
                              FROM object_changes
                               WHERE obj_context = 'exported_pools'));
  }
} {300 object_change 2048}
do_test tkt-80ba2-201 {
  db eval {


    CREATE INDEX timeline_entry_id_idx on timeline(entry_id);
    SELECT entry_type,
           entry_types.name,
           entry_id
      FROM timeline JOIN entry_types ON entry_type = entry_types.id
     WHERE (entry_types.name = 'cli_command' AND entry_id=2114)
        OR (entry_types.name = 'object_change'







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             AND entry_id IN (SELECT change_id
                              FROM object_changes
                               WHERE obj_context = 'exported_pools'));
  }
} {300 object_change 2048}
do_test tkt-80ba2-201 {
  db eval {
PRAGMA vdbe_debug=on;
PRAGMA vdbe_addoptrace=on;
    CREATE INDEX timeline_entry_id_idx on timeline(entry_id);
    SELECT entry_type,
           entry_types.name,
           entry_id
      FROM timeline JOIN entry_types ON entry_type = entry_types.id
     WHERE (entry_types.name = 'cli_command' AND entry_id=2114)
        OR (entry_types.name = 'object_change'
Changes to test/vacuum-into.test.
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  CREATE TABLE t2(name TEXT);
  INSERT INTO t2 VALUES(':memory:');
  VACUUM main INTO (SELECT name FROM t2);
} {}
do_catchsql_test vacuum-into-310 {
  VACUUM INTO null;
} {1 {non-text filename}}






















finish_test







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  CREATE TABLE t2(name TEXT);
  INSERT INTO t2 VALUES(':memory:');
  VACUUM main INTO (SELECT name FROM t2);
} {}
do_catchsql_test vacuum-into-310 {
  VACUUM INTO null;
} {1 {non-text filename}}
do_catchsql_test vacuum-into-320 {
  VACUUM INTO x;
} {1 {no such column: x}}
do_catchsql_test vacuum-into-330 {
  VACUUM INTO t1.nosuchcol;
} {1 {no such column: t1.nosuchcol}}
do_catchsql_test vacuum-into-340 {
  VACUUM INTO main.t1.nosuchcol;
} {1 {no such column: main.t1.nosuchcol}}

forcedelete test.db2
db func target target
proc target {} { return "test.db2" }
do_test vacuum-into-410 {
  execsql { VACUUM INTO target() }
  file exists test.db2
} 1
do_catchsql_test vacuum-into-420 {
  VACUUM INTO target2()
} {1 {no such function: target2}}


finish_test
Added test/vtabdrop.test.






























































































































































































































































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# 2018 December 28
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# The tests in this file test edge cases surrounding DROP TABLE on 
# virtual tables.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

ifcapable !vtab { finish_test ; return }
source $testdir/fts3_common.tcl
source $testdir/malloc_common.tcl

set testprefix vtabdrop

#-------------------------------------------------------------------------
# Test that if a DROP TABLE is executed against an rtree table, but the
# xDestroy() call fails, the rtree table is not dropped, the sqlite_master
# table is not modified and the internal schema remains intact.
# 
ifcapable rtree {
  do_execsql_test 1.0 {
    CREATE VIRTUAL TABLE rt USING rtree(id, x1, x2);
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES(1, 2);
  }
  
  do_test 1.1 {
    execsql {
      BEGIN;
        INSERT INTO t1 VALUES(3, 4);
    }
    db eval { SELECT * FROM t1 } {
      catchsql { DROP TABLE rt }
    }
    execsql COMMIT
  } {}
  
  do_execsql_test 1.2 {
    SELECT name FROM sqlite_master ORDER BY 1;
    SELECT * FROM t1;
    SELECT * FROM rt;
  } {rt rt_node rt_parent rt_rowid t1 1 2 3 4}
  
  db close
  sqlite3 db test.db
  
  do_execsql_test 1.3 {
    SELECT name FROM sqlite_master ORDER BY 1;
  } {rt rt_node rt_parent rt_rowid t1}
}

#-------------------------------------------------------------------------
# Same as tests 1.*, except with fts5 instead of rtree.
# 
ifcapable fts5 {
  reset_db
  do_execsql_test 2.0 {
    CREATE VIRTUAL TABLE ft USING fts5(x);
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES(1, 2);
  }
  
  do_test 2.1 {
    execsql {
      BEGIN;
        INSERT INTO t1 VALUES(3, 4);
    }
    db eval { SELECT * FROM t1 } {
      catchsql { DROP TABLE ft }
    }
    execsql COMMIT
  } {}
  
  do_execsql_test 2.2 {
    SELECT name FROM sqlite_master ORDER BY 1;
  } {ft ft_config ft_content ft_data ft_docsize ft_idx t1}
  
  db close
  sqlite3 db test.db
  
  do_execsql_test 2.3 {
    SELECT name FROM sqlite_master ORDER BY 1;
  } {ft ft_config ft_content ft_data ft_docsize ft_idx t1}
}

#-------------------------------------------------------------------------
# Same as tests 1.*, except with fts3 instead of rtree.
# 
ifcapable fts3 {
  reset_db
  do_execsql_test 2.0 {
    CREATE VIRTUAL TABLE ft USING fts3(x);
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES(1, 2);
  }
  
  do_test 2.1 {
    execsql {
      BEGIN;
        INSERT INTO t1 VALUES(3, 4);
    }
    db eval { SELECT * FROM t1 } {
      catchsql { DROP TABLE ft }
    }
    execsql COMMIT
  } {}
  
  do_execsql_test 2.2 {
    SELECT name FROM sqlite_master ORDER BY 1;
  } {ft ft_content ft_segdir ft_segments sqlite_autoindex_ft_segdir_1 t1}
  
  db close
  sqlite3 db test.db
  
  do_execsql_test 2.3 {
    SELECT name FROM sqlite_master ORDER BY 1;
  } {ft ft_content ft_segdir ft_segments sqlite_autoindex_ft_segdir_1 t1}
}

finish_test
Changes to test/where7.test.
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      AND t302.c3 > 1287603136
      AND (t301.c4 = 1407449685622784
           OR t301.c8 = 1407424651264000)
   ORDER BY t302.c5 LIMIT 200;
} {
  QUERY PLAN
  |--MULTI-INDEX OR

  |  |--SEARCH TABLE t301 USING COVERING INDEX t301_c4 (c4=?)

  |  `--SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)
  |--SEARCH TABLE t302 USING INDEX t302_c8_c3 (c8=? AND c3>?)
  `--USE TEMP B-TREE FOR ORDER BY
}

finish_test







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      AND t302.c3 > 1287603136
      AND (t301.c4 = 1407449685622784
           OR t301.c8 = 1407424651264000)
   ORDER BY t302.c5 LIMIT 200;
} {
  QUERY PLAN
  |--MULTI-INDEX OR
  |  |--INDEX 1
  |  |  `--SEARCH TABLE t301 USING COVERING INDEX t301_c4 (c4=?)
  |  `--INDEX 2
  |     `--SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)
  |--SEARCH TABLE t302 USING INDEX t302_c8_c3 (c8=? AND c3>?)
  `--USE TEMP B-TREE FOR ORDER BY
}

finish_test
Changes to test/where9.test.
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  do_eqp_test where9-3.1 {
    SELECT t2.a FROM t1, t2
    WHERE t1.a=80 AND ((t1.c=t2.c AND t1.d=t2.d) OR t1.f=t2.f)
  } [string map {"\n  " \n} {
    QUERY PLAN
    |--SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?)
    `--MULTI-INDEX OR

       |--SEARCH TABLE t2 USING INDEX t2d (d=?)

       `--SEARCH TABLE t2 USING COVERING INDEX t2f (f=?)
  }]
  do_eqp_test where9-3.2 {
    SELECT coalesce(t2.a,9999)
    FROM t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f
    WHERE t1.a=80
  } [string map {"\n  " \n} {
    QUERY PLAN
    |--SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?)
    `--MULTI-INDEX OR

       |--SEARCH TABLE t2 USING INDEX t2d (d=?)

       `--SEARCH TABLE t2 USING COVERING INDEX t2f (f=?)
  }]
} 

# Make sure that INDEXED BY and multi-index OR clauses play well with
# one another.
#
do_test where9-4.1 {







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  do_eqp_test where9-3.1 {
    SELECT t2.a FROM t1, t2
    WHERE t1.a=80 AND ((t1.c=t2.c AND t1.d=t2.d) OR t1.f=t2.f)
  } [string map {"\n  " \n} {
    QUERY PLAN
    |--SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?)
    `--MULTI-INDEX OR
       |--INDEX 1
       |  `--SEARCH TABLE t2 USING INDEX t2d (d=?)
       `--INDEX 3
          `--SEARCH TABLE t2 USING COVERING INDEX t2f (f=?)
  }]
  do_eqp_test where9-3.2 {
    SELECT coalesce(t2.a,9999)
    FROM t1 LEFT JOIN t2 ON (t1.c+1=t2.c AND t1.d=t2.d) OR (t1.f||'x')=t2.f
    WHERE t1.a=80
  } [string map {"\n  " \n} {
    QUERY PLAN
    |--SEARCH TABLE t1 USING INTEGER PRIMARY KEY (rowid=?)
    `--MULTI-INDEX OR
       |--INDEX 1
       |  `--SEARCH TABLE t2 USING INDEX t2d (d=?)
       `--INDEX 2
          `--SEARCH TABLE t2 USING COVERING INDEX t2f (f=?)
  }]
} 

# Make sure that INDEXED BY and multi-index OR clauses play well with
# one another.
#
do_test where9-4.1 {
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# the former is an equality test which is expected to return fewer rows.
#
do_eqp_test where9-5.1 {
  SELECT a FROM t1 WHERE b>1000 AND (c=31031 OR d IS NULL)
} {
  QUERY PLAN
  `--MULTI-INDEX OR

     |--SEARCH TABLE t1 USING INDEX t1c (c=?)

     `--SEARCH TABLE t1 USING INDEX t1d (d=?)
}

# In contrast, b=1000 is preferred over any OR-clause.
#
do_eqp_test where9-5.2 {
  SELECT a FROM t1 WHERE b=1000 AND (c=31031 OR d IS NULL)
} {SEARCH TABLE t1 USING INDEX t1b (b=?)}







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# the former is an equality test which is expected to return fewer rows.
#
do_eqp_test where9-5.1 {
  SELECT a FROM t1 WHERE b>1000 AND (c=31031 OR d IS NULL)
} {
  QUERY PLAN
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SEARCH TABLE t1 USING INDEX t1c (c=?)
     `--INDEX 2
        `--SEARCH TABLE t1 USING INDEX t1d (d=?)
}

# In contrast, b=1000 is preferred over any OR-clause.
#
do_eqp_test where9-5.2 {
  SELECT a FROM t1 WHERE b=1000 AND (c=31031 OR d IS NULL)
} {SEARCH TABLE t1 USING INDEX t1b (b=?)}
Changes to test/whereI.test.
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}

do_eqp_test 1.1 {
  SELECT a FROM t1 WHERE b='b' OR c='x'
} {
  QUERY PLAN
  `--MULTI-INDEX OR

     |--SEARCH TABLE t1 USING INDEX i1 (b=?)

     `--SEARCH TABLE t1 USING INDEX i2 (c=?)
}

do_execsql_test 1.2 {
  SELECT a FROM t1 WHERE b='b' OR c='x'
} {2 3}

do_execsql_test 1.3 {







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}

do_eqp_test 1.1 {
  SELECT a FROM t1 WHERE b='b' OR c='x'
} {
  QUERY PLAN
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SEARCH TABLE t1 USING INDEX i1 (b=?)
     `--INDEX 2
        `--SEARCH TABLE t1 USING INDEX i2 (c=?)
}

do_execsql_test 1.2 {
  SELECT a FROM t1 WHERE b='b' OR c='x'
} {2 3}

do_execsql_test 1.3 {
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}

do_eqp_test 2.1 {
  SELECT a FROM t2 WHERE b='b' OR c='x'
} {
  QUERY PLAN
  `--MULTI-INDEX OR

     |--SEARCH TABLE t2 USING INDEX i3 (b=?)

     `--SEARCH TABLE t2 USING INDEX i4 (c=?)
}

do_execsql_test 2.2 {
  SELECT a FROM t2 WHERE b='b' OR c='x'
} {ii iii}

do_execsql_test 2.3 {







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}

do_eqp_test 2.1 {
  SELECT a FROM t2 WHERE b='b' OR c='x'
} {
  QUERY PLAN
  `--MULTI-INDEX OR
     |--INDEX 1
     |  `--SEARCH TABLE t2 USING INDEX i3 (b=?)
     `--INDEX 2
        `--SEARCH TABLE t2 USING INDEX i4 (c=?)
}

do_execsql_test 2.2 {
  SELECT a FROM t2 WHERE b='b' OR c='x'
} {ii iii}

do_execsql_test 2.3 {
Changes to test/window1.test.
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  CREATE TABLE t2(c); INSERT INTO t2(c) VALUES(1);
  SELECT y, y+1, y+2 FROM (
    SELECT c IN (
      SELECT (row_number() OVER()) FROM t1
    ) AS y FROM t2
  );
} {1 2 3}






















































finish_test







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  CREATE TABLE t2(c); INSERT INTO t2(c) VALUES(1);
  SELECT y, y+1, y+2 FROM (
    SELECT c IN (
      SELECT (row_number() OVER()) FROM t1
    ) AS y FROM t2
  );
} {1 2 3}

# 2018-12-31
# https://www.sqlite.org/src/info/d0866b26f83e9c55
# Window function in correlated subquery causes assertion fault 
#
do_catchsql_test 15.0 {
  WITH t(id, parent) AS (
  SELECT CAST(1 AS INT), CAST(NULL AS INT)
  UNION ALL
  SELECT 2, NULL
  UNION ALL
  SELECT 3, 1
  UNION ALL
  SELECT 4, 1
  UNION ALL
  SELECT 5, 2
  UNION ALL
  SELECT 6, 2
  ), q AS (
  SELECT t.*, ROW_NUMBER() OVER (ORDER BY t.id) AS rn
    FROM t
   WHERE parent IS NULL
   UNION ALL
  SELECT t.*, ROW_NUMBER() OVER (ORDER BY t.id) AS rn
    FROM q
    JOIN t
      ON t.parent = q.id
  )
  SELECT *
    FROM q;
} {1 {cannot use window functions in recursive queries}}
do_execsql_test 15.1 {
  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1(x);
  INSERT INTO t1 VALUES('a'), ('b'), ('c');
  CREATE TABLE t2(a, b);
  INSERT INTO t2 VALUES('X', 1), ('X', 2), ('Y', 2), ('Y', 3);
  SELECT x, (
    SELECT sum(b)
      OVER (PARTITION BY a ROWS BETWEEN UNBOUNDED PRECEDING
                                    AND UNBOUNDED FOLLOWING)
    FROM t2 WHERE b<x
  ) FROM t1;
} {a 3 b 3 c 3}

do_execsql_test 15.2 {
  SELECT(
    WITH c AS(
      VALUES(1)
    ) SELECT '' FROM c,c
  ) x WHERE x+x;
} {}

finish_test
Changes to test/with1.test.
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#
do_execsql_test 20.1 {
  WITH c(i)AS(VALUES(9)UNION SELECT~i FROM c)SELECT max(5)>i fROM c;
} {0}
do_execsql_test 20.2 {
  WITH c(i)AS(VALUES(5)UNIoN SELECT 0)SELECT min(1)-i fROM c;
} {1}




















finish_test







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#
do_execsql_test 20.1 {
  WITH c(i)AS(VALUES(9)UNION SELECT~i FROM c)SELECT max(5)>i fROM c;
} {0}
do_execsql_test 20.2 {
  WITH c(i)AS(VALUES(5)UNIoN SELECT 0)SELECT min(1)-i fROM c;
} {1}

# 2018-12-26
# Two different CTE tables with the same name appear in within a single FROM
# clause due to the query-flattener optimization.  make sure this does not cause
# problems.  This problem was discovered by Matt Denton.
#
do_execsql_test 21.1 {
   WITH RECURSIVE t21(a,b) AS (
    WITH t21(x) AS (VALUES(1))
    SELECT x, x FROM t21 ORDER BY 1
  )
  SELECT * FROM t21 AS tA, t21 AS tB
} {1 1 1 1}
do_execsql_test 21.2 {
  SELECT printf('',
     EXISTS (WITH RECURSIVE Table0 AS (WITH Table0 AS (SELECT DISTINCT 1)
                                       SELECT *, * FROM Table0 ORDER BY 1 DESC)
             SELECT * FROM Table0  NATURAL JOIN  Table0));
} {{}}

finish_test
Changes to test/with3.test.
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     SELECT * FROM c, w2, w1
     WHERE c.id=w2.pk AND c.id=w1.pk;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SETUP
  |  |  |--SCAN CONSTANT ROW
  |  |  `--SCALAR SUBQUERY
  |  |     `--SCAN TABLE w2
  |  `--RECURSIVE STEP
  |     |--SCAN TABLE w1
  |     `--SCAN TABLE c
  |--SCAN SUBQUERY xxxxxx
  |--SEARCH TABLE w2 USING INTEGER PRIMARY KEY (rowid=?)
  `--SEARCH TABLE w1 USING INTEGER PRIMARY KEY (rowid=?)







|







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     SELECT * FROM c, w2, w1
     WHERE c.id=w2.pk AND c.id=w1.pk;
} {
  QUERY PLAN
  |--MATERIALIZE xxxxxx
  |  |--SETUP
  |  |  |--SCAN CONSTANT ROW
  |  |  `--SCALAR SUBQUERY xxxxxx
  |  |     `--SCAN TABLE w2
  |  `--RECURSIVE STEP
  |     |--SCAN TABLE w1
  |     `--SCAN TABLE c
  |--SCAN SUBQUERY xxxxxx
  |--SEARCH TABLE w2 USING INTEGER PRIMARY KEY (rowid=?)
  `--SEARCH TABLE w1 USING INTEGER PRIMARY KEY (rowid=?)
Changes to tool/dbtotxt.c.
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    if( pgsz<512 || (pgsz&(pgsz-1))!=0 ){
      fprintf(stderr, "Invalid page size in header: %d\n", pgsz);
      exit(1);
    }
  }
  zBaseName = zInputFile;
  for(i=0; zInputFile[i]; i++){
    if( zInputFile[i]=='/' && zInputFile[i+1]!=0 ) zBaseName = zInputFile+1;
  }
  printf("| size %d pagesize %d filename %s\n",(int)szFile,pgsz,zBaseName);
  for(i=0; i<szFile; i+=16){
    int got = (int)fread(aLine, 1, 16, in);
    if( got!=16 ){
      static int once = 1;
      if( once ){







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    if( pgsz<512 || (pgsz&(pgsz-1))!=0 ){
      fprintf(stderr, "Invalid page size in header: %d\n", pgsz);
      exit(1);
    }
  }
  zBaseName = zInputFile;
  for(i=0; zInputFile[i]; i++){
    if( zInputFile[i]=='/' && zInputFile[i+1]!=0 ) zBaseName = zInputFile+i+1;
  }
  printf("| size %d pagesize %d filename %s\n",(int)szFile,pgsz,zBaseName);
  for(i=0; i<szFile; i+=16){
    int got = (int)fread(aLine, 1, 16, in);
    if( got!=16 ){
      static int once = 1;
      if( once ){