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Overview
Comment:Merge latest trunk changes with this branch.
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Timelines: family | ancestors | shared-mapping-hack
Files: files | file ages | folders
SHA3-256: 2e57335081287a2db9fd20d86a8e98218309a37569e1ca1df8deb5fb198d73ff
User & Date: dan 2017-09-18 08:51:04
Context
2017-09-18
08:51
Merge latest trunk changes with this branch. Leaf check-in: 2e573350 user: dan tags: shared-mapping-hack
00:18
Fix the CSV virtual table extension so that it works when the default character is unsigned. check-in: 42f07775 user: drh tags: trunk
2017-09-12
18:11
Merge the mutex-free PRNG change into this branch. check-in: 8b1fc4b9 user: dan tags: shared-mapping-hack
Changes
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Changes to ext/misc/csv.c.

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struct CsvReader {
  FILE *in;              /* Read the CSV text from this input stream */
  char *z;               /* Accumulated text for a field */
  int n;                 /* Number of bytes in z */
  int nAlloc;            /* Space allocated for z[] */
  int nLine;             /* Current line number */
  int bNotFirst;         /* True if prior text has been seen */
  char cTerm;            /* Character that terminated the most recent field */
  size_t iIn;            /* Next unread character in the input buffer */
  size_t nIn;            /* Number of characters in the input buffer */
  char *zIn;             /* The input buffer */
  char zErr[CSV_MXERR];  /* Error message */
};

/* Initialize a CsvReader object */
................................................................................

/* Return the next character of input.  Return EOF at end of input. */
static int csv_getc(CsvReader *p){
  if( p->iIn >= p->nIn ){
    if( p->in!=0 ) return csv_getc_refill(p);
    return EOF;
  }
  return p->zIn[p->iIn++];
}

/* Increase the size of p->z and append character c to the end. 
** Return 0 on success and non-zero if there is an OOM error */
static CSV_NOINLINE int csv_resize_and_append(CsvReader *p, char c){
  char *zNew;
  int nNew = p->nAlloc*2 + 100;







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struct CsvReader {
  FILE *in;              /* Read the CSV text from this input stream */
  char *z;               /* Accumulated text for a field */
  int n;                 /* Number of bytes in z */
  int nAlloc;            /* Space allocated for z[] */
  int nLine;             /* Current line number */
  int bNotFirst;         /* True if prior text has been seen */
  int cTerm;             /* Character that terminated the most recent field */
  size_t iIn;            /* Next unread character in the input buffer */
  size_t nIn;            /* Number of characters in the input buffer */
  char *zIn;             /* The input buffer */
  char zErr[CSV_MXERR];  /* Error message */
};

/* Initialize a CsvReader object */
................................................................................

/* Return the next character of input.  Return EOF at end of input. */
static int csv_getc(CsvReader *p){
  if( p->iIn >= p->nIn ){
    if( p->in!=0 ) return csv_getc_refill(p);
    return EOF;
  }
  return ((unsigned char*)p->zIn)[p->iIn++];
}

/* Increase the size of p->z and append character c to the end. 
** Return 0 on success and non-zero if there is an OOM error */
static CSV_NOINLINE int csv_resize_and_append(CsvReader *p, char c){
  char *zNew;
  int nNew = p->nAlloc*2 + 100;

Changes to src/expr.c.

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ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags){
  ExprList *pNew;
  struct ExprList_item *pItem, *pOldItem;
  int i;
  Expr *pPriorSelectCol = 0;
  assert( db!=0 );
  if( p==0 ) return 0;
  pNew = sqlite3DbMallocRawNN(db, 
             sizeof(*pNew)+sizeof(pNew->a[0])*(p->nExpr-1) );
  if( pNew==0 ) return 0;
  pNew->nAlloc = pNew->nExpr = p->nExpr;
  pItem = pNew->a;
  pOldItem = p->a;
  for(i=0; i<p->nExpr; i++, pItem++, pOldItem++){
    Expr *pOldExpr = pOldItem->pExpr;
    Expr *pNewExpr;
    pItem->pExpr = sqlite3ExprDup(db, pOldExpr, flags);
    if( pOldExpr 
................................................................................
#endif


/*
** Add a new element to the end of an expression list.  If pList is
** initially NULL, then create a new expression list.
**







** If a memory allocation error occurs, the entire list is freed and
** NULL is returned.  If non-NULL is returned, then it is guaranteed
** that the new entry was successfully appended.
*/
ExprList *sqlite3ExprListAppend(
  Parse *pParse,          /* Parsing context */
  ExprList *pList,        /* List to which to append. Might be NULL */
................................................................................
  assert( db!=0 );
  if( pList==0 ){
    pList = sqlite3DbMallocRawNN(db, sizeof(ExprList) );
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
    pList->nAlloc = 1;
  }else if( pList->nExpr==pList->nAlloc ){
    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList, 
             sizeof(*pList)+(2*pList->nAlloc - 1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;
    pList->nAlloc *= 2;
  }
  pItem = &pList->a[pList->nExpr++];
  assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) );
  assert( offsetof(struct ExprList_item,pExpr)==0 );
  memset(&pItem->zName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zName));
  pItem->pExpr = pExpr;
  return pList;
................................................................................
  exprToRegister(pExpr, iMem);
}

/*
** Generate code that pushes the value of every element of the given
** expression list into a sequence of registers beginning at target.
**
** Return the number of elements evaluated.


**
** The SQLITE_ECEL_DUP flag prevents the arguments from being
** filled using OP_SCopy.  OP_Copy must be used instead.
**
** The SQLITE_ECEL_FACTOR argument allows constant arguments to be
** factored out into initialization code.
**
** The SQLITE_ECEL_REF flag means that expressions in the list with
** ExprList.a[].u.x.iOrderByCol>0 have already been evaluated and stored
** in registers at srcReg, and so the value can be copied from there.


*/
int sqlite3ExprCodeExprList(
  Parse *pParse,     /* Parsing context */
  ExprList *pList,   /* The expression list to be coded */
  int target,        /* Where to write results */
  int srcReg,        /* Source registers if SQLITE_ECEL_REF */
  u8 flags           /* SQLITE_ECEL_* flags */







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ExprList *sqlite3ExprListDup(sqlite3 *db, ExprList *p, int flags){
  ExprList *pNew;
  struct ExprList_item *pItem, *pOldItem;
  int i;
  Expr *pPriorSelectCol = 0;
  assert( db!=0 );
  if( p==0 ) return 0;
  pNew = sqlite3DbMallocRawNN(db, sqlite3DbMallocSize(db, p));

  if( pNew==0 ) return 0;
  pNew->nExpr = p->nExpr;
  pItem = pNew->a;
  pOldItem = p->a;
  for(i=0; i<p->nExpr; i++, pItem++, pOldItem++){
    Expr *pOldExpr = pOldItem->pExpr;
    Expr *pNewExpr;
    pItem->pExpr = sqlite3ExprDup(db, pOldExpr, flags);
    if( pOldExpr 
................................................................................
#endif


/*
** Add a new element to the end of an expression list.  If pList is
** initially NULL, then create a new expression list.
**
** The pList argument must be either NULL or a pointer to an ExprList
** obtained from a prior call to sqlite3ExprListAppend().  This routine
** may not be used with an ExprList obtained from sqlite3ExprListDup().
** Reason:  This routine assumes that the number of slots in pList->a[]
** is a power of two.  That is true for sqlite3ExprListAppend() returns
** but is not necessarily true from the return value of sqlite3ExprListDup().
**
** If a memory allocation error occurs, the entire list is freed and
** NULL is returned.  If non-NULL is returned, then it is guaranteed
** that the new entry was successfully appended.
*/
ExprList *sqlite3ExprListAppend(
  Parse *pParse,          /* Parsing context */
  ExprList *pList,        /* List to which to append. Might be NULL */
................................................................................
  assert( db!=0 );
  if( pList==0 ){
    pList = sqlite3DbMallocRawNN(db, sizeof(ExprList) );
    if( pList==0 ){
      goto no_mem;
    }
    pList->nExpr = 0;
  }else if( (pList->nExpr & (pList->nExpr-1))==0 ){

    ExprList *pNew;
    pNew = sqlite3DbRealloc(db, pList, 
             sizeof(*pList)+(2*pList->nExpr - 1)*sizeof(pList->a[0]));
    if( pNew==0 ){
      goto no_mem;
    }
    pList = pNew;

  }
  pItem = &pList->a[pList->nExpr++];
  assert( offsetof(struct ExprList_item,zName)==sizeof(pItem->pExpr) );
  assert( offsetof(struct ExprList_item,pExpr)==0 );
  memset(&pItem->zName,0,sizeof(*pItem)-offsetof(struct ExprList_item,zName));
  pItem->pExpr = pExpr;
  return pList;
................................................................................
  exprToRegister(pExpr, iMem);
}

/*
** Generate code that pushes the value of every element of the given
** expression list into a sequence of registers beginning at target.
**
** Return the number of elements evaluated.  The number returned will
** usually be pList->nExpr but might be reduced if SQLITE_ECEL_OMITREF
** is defined.
**
** The SQLITE_ECEL_DUP flag prevents the arguments from being
** filled using OP_SCopy.  OP_Copy must be used instead.
**
** The SQLITE_ECEL_FACTOR argument allows constant arguments to be
** factored out into initialization code.
**
** The SQLITE_ECEL_REF flag means that expressions in the list with
** ExprList.a[].u.x.iOrderByCol>0 have already been evaluated and stored
** in registers at srcReg, and so the value can be copied from there.
** If SQLITE_ECEL_OMITREF is also set, then the values with u.x.iOrderByCol>0
** are simply omitted rather than being copied from srcReg.
*/
int sqlite3ExprCodeExprList(
  Parse *pParse,     /* Parsing context */
  ExprList *pList,   /* The expression list to be coded */
  int target,        /* Where to write results */
  int srcReg,        /* Source registers if SQLITE_ECEL_REF */
  u8 flags           /* SQLITE_ECEL_* flags */

Changes to src/os_unix.c.

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....
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){
  const sqlite3_io_methods *pLockingStyle;
  unixFile *pNew = (unixFile *)pId;
  int rc = SQLITE_OK;

  assert( pNew->pInode==NULL );

  /* Usually the path zFilename should not be a relative pathname. The
  ** exception is when opening the proxy "conch" file in builds that
  ** include the special Apple locking styles.
  */
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
  assert( zFilename==0 || zFilename[0]=='/' 
    || pVfs->pAppData==(void*)&autolockIoFinder );
#else
  assert( zFilename==0 || zFilename[0]=='/' );
#endif

  /* No locking occurs in temporary files */
  assert( zFilename!=0 || (ctrlFlags & UNIXFILE_NOLOCK)!=0 );

  OSTRACE(("OPEN    %-3d %s\n", h, zFilename));
  pNew->h = h;
  pNew->pVfs = pVfs;
  pNew->zPath = zFilename;
................................................................................
    **   "<path to db>-walNN"
    **
    ** where NN is a decimal number. The NN naming schemes are 
    ** used by the test_multiplex.c module.
    */
    nDb = sqlite3Strlen30(zPath) - 1; 
    while( zPath[nDb]!='-' ){
#ifndef SQLITE_ENABLE_8_3_NAMES
      /* In the normal case (8+3 filenames disabled) the journal filename
      ** is guaranteed to contain a '-' character. */
      assert( nDb>0 );
      assert( sqlite3Isalnum(zPath[nDb]) );
#else
      /* If 8+3 names are possible, then the journal file might not contain
      ** a '-' character.  So check for that case and return early. */
      if( nDb==0 || zPath[nDb]=='.' ) return SQLITE_OK;
#endif
      nDb--;
    }
    memcpy(zDb, zPath, nDb);
    zDb[nDb] = '\0';

    rc = getFileMode(zDb, pMode, pUid, pGid);
  }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
................................................................................
        }
      }
      goto open_finished;
    }
  }
#endif
  



  rc = fillInUnixFile(pVfs, fd, pFile, zPath, ctrlFlags);

open_finished:
  if( rc!=SQLITE_OK ){
    sqlite3_free(p->pPreallocatedUnused);
  }
  return rc;







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<

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>







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....
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){
  const sqlite3_io_methods *pLockingStyle;
  unixFile *pNew = (unixFile *)pId;
  int rc = SQLITE_OK;

  assert( pNew->pInode==NULL );












  /* No locking occurs in temporary files */
  assert( zFilename!=0 || (ctrlFlags & UNIXFILE_NOLOCK)!=0 );

  OSTRACE(("OPEN    %-3d %s\n", h, zFilename));
  pNew->h = h;
  pNew->pVfs = pVfs;
  pNew->zPath = zFilename;
................................................................................
    **   "<path to db>-walNN"
    **
    ** where NN is a decimal number. The NN naming schemes are 
    ** used by the test_multiplex.c module.
    */
    nDb = sqlite3Strlen30(zPath) - 1; 
    while( zPath[nDb]!='-' ){
      /* In normal operation, the journal file name will always contain
      ** a '-' character.  However in 8+3 filename mode, or if a corrupt
      ** rollback journal specifies a master journal with a goofy name, then
      ** the '-' might be missing. */




      if( nDb==0 || zPath[nDb]=='.' ) return SQLITE_OK;

      nDb--;
    }
    memcpy(zDb, zPath, nDb);
    zDb[nDb] = '\0';

    rc = getFileMode(zDb, pMode, pUid, pGid);
  }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
................................................................................
        }
      }
      goto open_finished;
    }
  }
#endif
  
  assert( zPath==0 || zPath[0]=='/' 
      || eType==SQLITE_OPEN_MASTER_JOURNAL || eType==SQLITE_OPEN_MAIN_JOURNAL 
  );
  rc = fillInUnixFile(pVfs, fd, pFile, zPath, ctrlFlags);

open_finished:
  if( rc!=SQLITE_OK ){
    sqlite3_free(p->pPreallocatedUnused);
  }
  return rc;

Changes to src/os_win.c.

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  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
  return nBuf;
#else
  EntropyGatherer e;
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
#if defined(_MSC_VER) && _MSC_VER>=1400 && !SQLITE_OS_WINCE
  rand_s((unsigned int*)zBuf); /* rand_s() is not available with MinGW */
#endif /* defined(_MSC_VER) && _MSC_VER>=1400 */
  e.a = (unsigned char*)zBuf;
  e.na = nBuf;
  e.nXor = 0;
  e.i = 0;
  {
    SYSTEMTIME x;
    osGetSystemTime(&x);







<
<
<







5692
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5698



5699
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  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);
  return nBuf;
#else
  EntropyGatherer e;
  UNUSED_PARAMETER(pVfs);
  memset(zBuf, 0, nBuf);



  e.a = (unsigned char*)zBuf;
  e.na = nBuf;
  e.nXor = 0;
  e.i = 0;
  {
    SYSTEMTIME x;
    osGetSystemTime(&x);

Changes to src/pager.c.

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  pPager->journalOff = 0;
  needPagerReset = isHot;

  /* This loop terminates either when a readJournalHdr() or 
  ** pager_playback_one_page() call returns SQLITE_DONE or an IO error 
  ** occurs. 
  */
  while( 1 ){
    /* Read the next journal header from the journal file.  If there are
    ** not enough bytes left in the journal file for a complete header, or
    ** it is corrupted, then a process must have failed while writing it.
    ** This indicates nothing more needs to be rolled back.
    */

    rc = readJournalHdr(pPager, isHot, szJ, &nRec, &mxPg);
    if( rc!=SQLITE_OK ){ 
      if( rc==SQLITE_DONE ){
        rc = SQLITE_OK;
      }
      goto end_playback;
    }
................................................................................
          ** so that no further harm will be done.  Perhaps the next
          ** process to come along will be able to rollback the database.
          */
          goto end_playback;
        }
      }
    }
  }
  /*NOTREACHED*/
  assert( 0 );

end_playback:
  /* Following a rollback, the database file should be back in its original
  ** state prior to the start of the transaction, so invoke the
  ** SQLITE_FCNTL_DB_UNCHANGED file-control method to disable the
  ** assertion that the transaction counter was modified.
  */







|





>







 







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2937
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  pPager->journalOff = 0;
  needPagerReset = isHot;

  /* This loop terminates either when a readJournalHdr() or 
  ** pager_playback_one_page() call returns SQLITE_DONE or an IO error 
  ** occurs. 
  */
  do{
    /* Read the next journal header from the journal file.  If there are
    ** not enough bytes left in the journal file for a complete header, or
    ** it is corrupted, then a process must have failed while writing it.
    ** This indicates nothing more needs to be rolled back.
    */
    u32 savedPageSize = pPager->pageSize;
    rc = readJournalHdr(pPager, isHot, szJ, &nRec, &mxPg);
    if( rc!=SQLITE_OK ){ 
      if( rc==SQLITE_DONE ){
        rc = SQLITE_OK;
      }
      goto end_playback;
    }
................................................................................
          ** so that no further harm will be done.  Perhaps the next
          ** process to come along will be able to rollback the database.
          */
          goto end_playback;
        }
      }
    }
    rc = sqlite3PagerSetPagesize(pPager, &savedPageSize, -1);
  }while( rc==SQLITE_OK );


end_playback:
  /* Following a rollback, the database file should be back in its original
  ** state prior to the start of the transaction, so invoke the
  ** SQLITE_FCNTL_DB_UNCHANGED file-control method to disable the
  ** assertion that the transaction counter was modified.
  */

Changes to src/pragma.c.

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  }
  return lwr>upr ? 0 : &aPragmaName[mid];
}

/*
** Helper subroutine for PRAGMA integrity_check:
**
** Generate code to output a single-column result row with the result
** held in register regResult.  Decrement the result count and halt if
** the maximum number of result rows have been issued.
*/
static int integrityCheckResultRow(Vdbe *v, int regResult){
  int addr;
  sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, 1);
  addr = sqlite3VdbeAddOp3(v, OP_IfPos, 1, sqlite3VdbeCurrentAddr(v)+2, 1);
  VdbeCoverage(v);
  sqlite3VdbeAddOp2(v, OP_Halt, 0, 0);
  return addr;
}

/*
** Process a pragma statement.  
**
** Pragmas are of this form:
................................................................................
        mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX;
      }
    }
    sqlite3VdbeAddOp2(v, OP_Integer, mxErr-1, 1); /* reg[1] holds errors left */

    /* Do an integrity check on each database file */
    for(i=0; i<db->nDb; i++){
      HashElem *x;
      Hash *pTbls;
      int *aRoot;
      int cnt = 0;
      int mxIdx = 0;
      int nIdx;

      if( OMIT_TEMPDB && i==1 ) continue;
      if( iDb>=0 && i!=iDb ) continue;

      sqlite3CodeVerifySchema(pParse, i);

      /* Do an integrity check of the B-Tree
................................................................................
      **
      ** Begin by finding the root pages numbers
      ** for all tables and indices in the database.
      */
      assert( sqlite3SchemaMutexHeld(db, i, 0) );
      pTbls = &db->aDb[i].pSchema->tblHash;
      for(cnt=0, x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
        Table *pTab = sqliteHashData(x);
        Index *pIdx;

        if( HasRowid(pTab) ) cnt++;
        for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){ cnt++; }
        if( nIdx>mxIdx ) mxIdx = nIdx;
      }
      aRoot = sqlite3DbMallocRawNN(db, sizeof(int)*(cnt+1));
      if( aRoot==0 ) break;
      for(cnt=0, x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
................................................................................
      /* Do the b-tree integrity checks */
      sqlite3VdbeAddOp4(v, OP_IntegrityCk, 2, cnt, 1, (char*)aRoot,P4_INTARRAY);
      sqlite3VdbeChangeP5(v, (u8)i);
      addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
      sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName),
         P4_DYNAMIC);
      sqlite3VdbeAddOp3(v, OP_Move, 2, 4, 1);
      sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 2);
      integrityCheckResultRow(v, 2);
      sqlite3VdbeJumpHere(v, addr);

      /* Make sure all the indices are constructed correctly.
      */
      for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
        Table *pTab = sqliteHashData(x);
        Index *pIdx, *pPk;
        Index *pPrior = 0;
        int loopTop;
        int iDataCur, iIdxCur;
        int r1 = -1;

        if( pTab->tnum<1 ) continue;  /* Skip VIEWs or VIRTUAL TABLEs */
        if( pTab->pCheck==0
         && (pTab->tabFlags & TF_HasNotNull)==0
         && (pTab->pIndex==0 || isQuick)
        ){
          continue;  /* No additional checks needed for this table */
        }
        pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
        sqlite3ExprCacheClear(pParse);
        sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead, 0,
                                   1, 0, &iDataCur, &iIdxCur);



        sqlite3VdbeAddOp2(v, OP_Integer, 0, 7);
        for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
          sqlite3VdbeAddOp2(v, OP_Integer, 0, 8+j); /* index entries counter */
        }
        assert( pParse->nMem>=8+j );
        assert( sqlite3NoTempsInRange(pParse,1,7+j) );
        sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); VdbeCoverage(v);
................................................................................
          if( pTab->aCol[j].notNull==0 ) continue;
          sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3);
          sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
          jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v);
          zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName,
                              pTab->aCol[j].zName);
          sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC);
          integrityCheckResultRow(v, 3);
          sqlite3VdbeJumpHere(v, jmp2);
        }
        /* Verify CHECK constraints */
        sqlite3VdbeAddOp3(v, OP_Column, iDataCur, pTab->nCol-1, 3);
        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;
................................................................................
            sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, 
                SQLITE_JUMPIFNULL);
            sqlite3VdbeResolveLabel(v, addrCkFault);
            pParse->iSelfTab = 0;
            zErr = sqlite3MPrintf(db, "CHECK constraint failed in %s",
                pTab->zName);
            sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC);
            integrityCheckResultRow(v, 3);
            sqlite3VdbeResolveLabel(v, addrCkOk);
            sqlite3ExprCachePop(pParse);
          }
          sqlite3ExprListDelete(db, pCheck);
        }




        /* Validate index entries for the current row */
        for(j=0, pIdx=pTab->pIndex; pIdx && !isQuick; 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, 3);
          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);
              VdbeCoverage(v);
            }
            jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
            sqlite3VdbeGoto(v, uniqOk);
            sqlite3VdbeJumpHere(v, jmp6);
            sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
                                 pIdx->nKeyCol); VdbeCoverage(v);
            sqlite3VdbeLoadString(v, 3, "non-unique entry in index ");
            sqlite3VdbeGoto(v, jmp5);
            sqlite3VdbeResolveLabel(v, uniqOk);
          }
          sqlite3VdbeJumpHere(v, jmp4);
          sqlite3ResolvePartIdxLabel(pParse, jmp3);

        }
        sqlite3VdbeAddOp2(v, OP_Next, iDataCur, loopTop); VdbeCoverage(v);
        sqlite3VdbeJumpHere(v, loopTop-1);
#ifndef SQLITE_OMIT_BTREECOUNT
        if( !isQuick ){
          sqlite3VdbeLoadString(v, 2, "wrong # of entries in index ");
          for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
            if( pPk==pIdx ) continue;
            sqlite3VdbeAddOp2(v, OP_Count, iIdxCur+j, 3);
            addr = sqlite3VdbeAddOp3(v, OP_Eq, 8+j, 0, 3); VdbeCoverage(v);
            sqlite3VdbeChangeP5(v, SQLITE_NOTNULL);
            sqlite3VdbeLoadString(v, 3, pIdx->zName);
            sqlite3VdbeAddOp3(v, OP_Concat, 3, 2, 7);
            integrityCheckResultRow(v, 7);
            sqlite3VdbeJumpHere(v, addr);
          }
        }
#endif /* SQLITE_OMIT_BTREECOUNT */
      } 
    }
    {
      static const int iLn = VDBE_OFFSET_LINENO(2);
      static const VdbeOpList endCode[] = {
        { OP_AddImm,      1, 0,        0},    /* 0 */
        { OP_IfNotZero,   1, 4,        0},    /* 1 */
        { OP_String8,     0, 3,        0},    /* 2 */
        { OP_ResultRow,   3, 1,        0},    /* 3 */



      };
      VdbeOp *aOp;

      aOp = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode, iLn);
      if( aOp ){
        aOp[0].p2 = 1-mxErr;
        aOp[2].p4type = P4_STATIC;
        aOp[2].p4.z = "ok";


      }

    }
  }
  break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */

#ifndef SQLITE_OMIT_UTF16
  /*







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  }
  return lwr>upr ? 0 : &aPragmaName[mid];
}

/*
** Helper subroutine for PRAGMA integrity_check:
**
** Generate code to output a single-column result row with a value of the
** string held in register 3.  Decrement the result count in register 1
** and halt if the maximum number of result rows have been issued.
*/
static int integrityCheckResultRow(Vdbe *v){
  int addr;
  sqlite3VdbeAddOp2(v, OP_ResultRow, 3, 1);
  addr = sqlite3VdbeAddOp3(v, OP_IfPos, 1, sqlite3VdbeCurrentAddr(v)+2, 1);
  VdbeCoverage(v);
  sqlite3VdbeAddOp0(v, OP_Halt);
  return addr;
}

/*
** Process a pragma statement.  
**
** Pragmas are of this form:
................................................................................
        mxErr = SQLITE_INTEGRITY_CHECK_ERROR_MAX;
      }
    }
    sqlite3VdbeAddOp2(v, OP_Integer, mxErr-1, 1); /* reg[1] holds errors left */

    /* Do an integrity check on each database file */
    for(i=0; i<db->nDb; i++){
      HashElem *x;     /* For looping over tables in the schema */
      Hash *pTbls;     /* Set of all tables in the schema */
      int *aRoot;      /* Array of root page numbers of all btrees */
      int cnt = 0;     /* Number of entries in aRoot[] */
      int mxIdx = 0;   /* Maximum number of indexes for any table */


      if( OMIT_TEMPDB && i==1 ) continue;
      if( iDb>=0 && i!=iDb ) continue;

      sqlite3CodeVerifySchema(pParse, i);

      /* Do an integrity check of the B-Tree
................................................................................
      **
      ** Begin by finding the root pages numbers
      ** for all tables and indices in the database.
      */
      assert( sqlite3SchemaMutexHeld(db, i, 0) );
      pTbls = &db->aDb[i].pSchema->tblHash;
      for(cnt=0, x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
        Table *pTab = sqliteHashData(x);  /* Current table */
        Index *pIdx;                      /* An index on pTab */
        int nIdx;                         /* Number of indexes on pTab */
        if( HasRowid(pTab) ) cnt++;
        for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){ cnt++; }
        if( nIdx>mxIdx ) mxIdx = nIdx;
      }
      aRoot = sqlite3DbMallocRawNN(db, sizeof(int)*(cnt+1));
      if( aRoot==0 ) break;
      for(cnt=0, x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
................................................................................
      /* Do the b-tree integrity checks */
      sqlite3VdbeAddOp4(v, OP_IntegrityCk, 2, cnt, 1, (char*)aRoot,P4_INTARRAY);
      sqlite3VdbeChangeP5(v, (u8)i);
      addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
      sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName),
         P4_DYNAMIC);

      sqlite3VdbeAddOp3(v, OP_Concat, 2, 3, 3);
      integrityCheckResultRow(v);
      sqlite3VdbeJumpHere(v, addr);

      /* Make sure all the indices are constructed correctly.
      */
      for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
        Table *pTab = sqliteHashData(x);
        Index *pIdx, *pPk;
        Index *pPrior = 0;
        int loopTop;
        int iDataCur, iIdxCur;
        int r1 = -1;

        if( pTab->tnum<1 ) continue;  /* Skip VIEWs or VIRTUAL TABLEs */






        pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
        sqlite3ExprCacheClear(pParse);
        sqlite3OpenTableAndIndices(pParse, pTab, OP_OpenRead, 0,
                                   1, 0, &iDataCur, &iIdxCur);
        /* reg[7] counts the number of entries in the table.
        ** reg[8+i] counts the number of entries in the i-th index 
        */
        sqlite3VdbeAddOp2(v, OP_Integer, 0, 7);
        for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
          sqlite3VdbeAddOp2(v, OP_Integer, 0, 8+j); /* index entries counter */
        }
        assert( pParse->nMem>=8+j );
        assert( sqlite3NoTempsInRange(pParse,1,7+j) );
        sqlite3VdbeAddOp2(v, OP_Rewind, iDataCur, 0); VdbeCoverage(v);
................................................................................
          if( pTab->aCol[j].notNull==0 ) continue;
          sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, j, 3);
          sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
          jmp2 = sqlite3VdbeAddOp1(v, OP_NotNull, 3); VdbeCoverage(v);
          zErr = sqlite3MPrintf(db, "NULL value in %s.%s", pTab->zName,
                              pTab->aCol[j].zName);
          sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC);
          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;
................................................................................
            sqlite3ExprIfTrue(pParse, pCheck->a[0].pExpr, addrCkOk, 
                SQLITE_JUMPIFNULL);
            sqlite3VdbeResolveLabel(v, addrCkFault);
            pParse->iSelfTab = 0;
            zErr = sqlite3MPrintf(db, "CHECK constraint failed in %s",
                pTab->zName);
            sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0, zErr, P4_DYNAMIC);
            integrityCheckResultRow(v);
            sqlite3VdbeResolveLabel(v, addrCkOk);
            sqlite3ExprCachePop(pParse);
          }
          sqlite3ExprListDelete(db, pCheck);
        }
        if( !isQuick ){ /* Omit the remaining tests for quick_check */
          /* Sanity check on record header decoding */
          sqlite3VdbeAddOp3(v, OP_Column, iDataCur, pTab->nCol-1, 3);
          sqlite3VdbeChangeP5(v, OPFLAG_TYPEOFARG);
          /* 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);
                VdbeCoverage(v);
              }
              jmp6 = sqlite3VdbeAddOp1(v, OP_Next, iIdxCur+j); VdbeCoverage(v);
              sqlite3VdbeGoto(v, uniqOk);
              sqlite3VdbeJumpHere(v, jmp6);
              sqlite3VdbeAddOp4Int(v, OP_IdxGT, iIdxCur+j, uniqOk, r1,
                                   pIdx->nKeyCol); VdbeCoverage(v);
              sqlite3VdbeLoadString(v, 3, "non-unique entry in index ");
              sqlite3VdbeGoto(v, jmp5);
              sqlite3VdbeResolveLabel(v, uniqOk);
            }
            sqlite3VdbeJumpHere(v, jmp4);
            sqlite3ResolvePartIdxLabel(pParse, jmp3);
          }
        }
        sqlite3VdbeAddOp2(v, OP_Next, iDataCur, loopTop); VdbeCoverage(v);
        sqlite3VdbeJumpHere(v, loopTop-1);
#ifndef SQLITE_OMIT_BTREECOUNT
        if( !isQuick ){
          sqlite3VdbeLoadString(v, 2, "wrong # of entries in index ");
          for(j=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, j++){
            if( pPk==pIdx ) continue;
            sqlite3VdbeAddOp2(v, OP_Count, iIdxCur+j, 3);
            addr = sqlite3VdbeAddOp3(v, OP_Eq, 8+j, 0, 3); VdbeCoverage(v);
            sqlite3VdbeChangeP5(v, SQLITE_NOTNULL);
            sqlite3VdbeLoadString(v, 4, pIdx->zName);
            sqlite3VdbeAddOp3(v, OP_Concat, 4, 2, 3);
            integrityCheckResultRow(v);
            sqlite3VdbeJumpHere(v, addr);
          }
        }
#endif /* SQLITE_OMIT_BTREECOUNT */
      } 
    }
    {
      static const int iLn = VDBE_OFFSET_LINENO(2);
      static const VdbeOpList endCode[] = {
        { OP_AddImm,      1, 0,        0},    /* 0 */
        { OP_IfNotZero,   1, 4,        0},    /* 1 */
        { OP_String8,     0, 3,        0},    /* 2 */
        { OP_ResultRow,   3, 1,        0},    /* 3 */
        { OP_Halt,        0, 0,        0},    /* 4 */
        { OP_String8,     0, 3,        0},    /* 5 */
        { OP_Goto,        0, 3,        0},    /* 6 */
      };
      VdbeOp *aOp;

      aOp = sqlite3VdbeAddOpList(v, ArraySize(endCode), endCode, iLn);
      if( aOp ){
        aOp[0].p2 = 1-mxErr;
        aOp[2].p4type = P4_STATIC;
        aOp[2].p4.z = "ok";
        aOp[5].p4type = P4_STATIC;
        aOp[5].p4.z = (char*)sqlite3ErrStr(SQLITE_CORRUPT);
      }
      sqlite3VdbeChangeP3(v, 0, sqlite3VdbeCurrentAddr(v)-2);
    }
  }
  break;
#endif /* SQLITE_OMIT_INTEGRITY_CHECK */

#ifndef SQLITE_OMIT_UTF16
  /*

Changes to src/select.c.

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  sqlite3ReleaseTempReg(pParse, r1);
}

/*
** This routine generates the code for the inside of the inner loop
** of a SELECT.
**
** If srcTab is negative, then the pEList expressions
** are evaluated in order to get the data for this row.  If srcTab is
** zero or more, then data is pulled from srcTab and pEList is used only 
** to get the number of columns and the collation sequence for each column.
*/
static void selectInnerLoop(
  Parse *pParse,          /* The parser context */
  Select *p,              /* The complete select statement being coded */
  ExprList *pEList,       /* List of values being extracted */
  int srcTab,             /* Pull data from this table */
  SortCtx *pSort,         /* If not NULL, info on how to process ORDER BY */
  DistinctCtx *pDistinct, /* If not NULL, info on how to process DISTINCT */
  SelectDest *pDest,      /* How to dispose of the results */
  int iContinue,          /* Jump here to continue with next row */
  int iBreak              /* Jump here to break out of the inner loop */
){
  Vdbe *v = pParse->pVdbe;
................................................................................
  ** same value. However, if the results are being sent to the sorter, the
  ** values for any expressions that are also part of the sort-key are omitted
  ** from this array. In this case regOrig is set to zero.  */
  int regResult;              /* Start of memory holding current results */
  int regOrig;                /* Start of memory holding full result (or 0) */

  assert( v );
  assert( pEList!=0 );
  hasDistinct = pDistinct ? pDistinct->eTnctType : WHERE_DISTINCT_NOOP;
  if( pSort && pSort->pOrderBy==0 ) pSort = 0;
  if( pSort==0 && !hasDistinct ){
    assert( iContinue!=0 );
    codeOffset(v, p->iOffset, iContinue);
  }

  /* Pull the requested columns.
  */
  nResultCol = pEList->nExpr;

  if( pDest->iSdst==0 ){
    if( pSort ){
      nPrefixReg = pSort->pOrderBy->nExpr;
      if( !(pSort->sortFlags & SORTFLAG_UseSorter) ) nPrefixReg++;
      pParse->nMem += nPrefixReg;
    }
................................................................................
    pParse->nMem += nResultCol;
  }
  pDest->nSdst = nResultCol;
  regOrig = regResult = pDest->iSdst;
  if( srcTab>=0 ){
    for(i=0; i<nResultCol; i++){
      sqlite3VdbeAddOp3(v, OP_Column, srcTab, i, regResult+i);
      VdbeComment((v, "%s", pEList->a[i].zName));
    }
  }else if( eDest!=SRT_Exists ){
    /* If the destination is an EXISTS(...) expression, the actual
    ** values returned by the SELECT are not required.
    */
    u8 ecelFlags;
    if( eDest==SRT_Mem || eDest==SRT_Output || eDest==SRT_Coroutine ){
      ecelFlags = SQLITE_ECEL_DUP;
    }else{
      ecelFlags = 0;
    }
    if( pSort && hasDistinct==0 && eDest!=SRT_EphemTab && eDest!=SRT_Table ){
      /* For each expression in pEList that is a copy of an expression in
      ** the ORDER BY clause (pSort->pOrderBy), set the associated 
      ** iOrderByCol value to one more than the index of the ORDER BY 
      ** expression within the sort-key that pushOntoSorter() will generate.
      ** This allows the pEList field to be omitted from the sorted record,
      ** saving space and CPU cycles.  */
      ecelFlags |= (SQLITE_ECEL_OMITREF|SQLITE_ECEL_REF);
      for(i=pSort->nOBSat; i<pSort->pOrderBy->nExpr; i++){
        int j;
        if( (j = pSort->pOrderBy->a[i].u.x.iOrderByCol)>0 ){
          pEList->a[j-1].u.x.iOrderByCol = i+1-pSort->nOBSat;
        }
      }
      regOrig = 0;
      assert( eDest==SRT_Set || eDest==SRT_Mem 
           || eDest==SRT_Coroutine || eDest==SRT_Output );
    }
    nResultCol = sqlite3ExprCodeExprList(pParse,pEList,regResult,0,ecelFlags);
  }

  /* If the DISTINCT keyword was present on the SELECT statement
  ** and this row has been seen before, then do not make this row
  ** part of the result.
  */
  if( hasDistinct ){
................................................................................
        pOp = sqlite3VdbeGetOp(v, pDistinct->addrTnct);
        pOp->opcode = OP_Null;
        pOp->p1 = 1;
        pOp->p2 = regPrev;

        iJump = sqlite3VdbeCurrentAddr(v) + nResultCol;
        for(i=0; i<nResultCol; i++){
          CollSeq *pColl = sqlite3ExprCollSeq(pParse, pEList->a[i].pExpr);
          if( i<nResultCol-1 ){
            sqlite3VdbeAddOp3(v, OP_Ne, regResult+i, iJump, regPrev+i);
            VdbeCoverage(v);
          }else{
            sqlite3VdbeAddOp3(v, OP_Eq, regResult+i, iContinue, regPrev+i);
            VdbeCoverage(v);
           }
................................................................................
  return pTab;
}

/*
** Get a VDBE for the given parser context.  Create a new one if necessary.
** If an error occurs, return NULL and leave a message in pParse.
*/
static SQLITE_NOINLINE Vdbe *allocVdbe(Parse *pParse){
  Vdbe *v = pParse->pVdbe = sqlite3VdbeCreate(pParse);
  if( v ) sqlite3VdbeAddOp2(v, OP_Init, 0, 1);

  if( pParse->pToplevel==0
   && OptimizationEnabled(pParse->db,SQLITE_FactorOutConst)
  ){
    pParse->okConstFactor = 1;
  }
  return v;
}
Vdbe *sqlite3GetVdbe(Parse *pParse){
  Vdbe *v = pParse->pVdbe;
  return v ? v : allocVdbe(pParse);
}


/*
** Compute the iLimit and iOffset fields of the SELECT based on the
** pLimit and pOffset expressions.  pLimit and pOffset hold the expressions
** that appear in the original SQL statement after the LIMIT and OFFSET
................................................................................
    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, p->pEList, iCurrent,
      0, 0, pDest, addrCont, addrBreak);
  if( regLimit ){
    sqlite3VdbeAddOp2(v, OP_DecrJumpZero, regLimit, addrBreak);
    VdbeCoverage(v);
  }
  sqlite3VdbeResolveLabel(v, addrCont);

................................................................................
        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, p->pEList, unionTab,
                        0, 0, &dest, iCont, iBreak);
        sqlite3VdbeResolveLabel(v, iCont);
        sqlite3VdbeAddOp2(v, OP_Next, unionTab, iStart); VdbeCoverage(v);
        sqlite3VdbeResolveLabel(v, iBreak);
        sqlite3VdbeAddOp2(v, OP_Close, unionTab, 0);
      }
      break;
................................................................................
      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);
      selectInnerLoop(pParse, p, p->pEList, tab1,
                      0, 0, &dest, iCont, iBreak);
      sqlite3VdbeResolveLabel(v, iCont);
      sqlite3VdbeAddOp2(v, OP_Next, tab1, iStart); VdbeCoverage(v);
      sqlite3VdbeResolveLabel(v, iBreak);
      sqlite3VdbeAddOp2(v, OP_Close, tab2, 0);
      sqlite3VdbeAddOp2(v, OP_Close, tab1, 0);
      break;
................................................................................
    ** into an OP_Noop.
    */
    if( sSort.addrSortIndex>=0 && sSort.pOrderBy==0 ){
      sqlite3VdbeChangeToNoop(v, sSort.addrSortIndex);
    }

    /* Use the standard inner loop. */

    selectInnerLoop(pParse, p, pEList, -1, &sSort, &sDistinct, pDest,
                    sqlite3WhereContinueLabel(pWInfo),
                    sqlite3WhereBreakLabel(pWInfo));

    /* End the database scan loop.
    */
    sqlite3WhereEnd(pWInfo);
  }else{
................................................................................
      addrOutputRow = sqlite3VdbeCurrentAddr(v);
      sqlite3VdbeAddOp2(v, OP_IfPos, iUseFlag, addrOutputRow+2);
      VdbeCoverage(v);
      VdbeComment((v, "Groupby result generator entry point"));
      sqlite3VdbeAddOp1(v, OP_Return, regOutputRow);
      finalizeAggFunctions(pParse, &sAggInfo);
      sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL);
      selectInnerLoop(pParse, p, p->pEList, -1, &sSort,
                      &sDistinct, pDest,
                      addrOutputRow+1, addrSetAbort);
      sqlite3VdbeAddOp1(v, OP_Return, regOutputRow);
      VdbeComment((v, "end groupby result generator"));

      /* Generate a subroutine that will reset the group-by accumulator
      */
................................................................................
        }
        sqlite3WhereEnd(pWInfo);
        finalizeAggFunctions(pParse, &sAggInfo);
      }

      sSort.pOrderBy = 0;
      sqlite3ExprIfFalse(pParse, pHaving, addrEnd, SQLITE_JUMPIFNULL);
      selectInnerLoop(pParse, p, p->pEList, -1, 0, 0, 
                      pDest, addrEnd, addrEnd);
      sqlite3ExprListDelete(db, pDel);
    }
    sqlite3VdbeResolveLabel(v, addrEnd);
    
  } /* endif aggregate query */








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  sqlite3ReleaseTempReg(pParse, r1);
}

/*
** This routine generates the code for the inside of the inner loop
** of a SELECT.
**
** If srcTab is negative, then the p->pEList expressions
** are evaluated in order to get the data for this row.  If srcTab is
** zero or more, then data is pulled from srcTab and p->pEList is used only 
** to get the number of columns and the collation sequence for each column.
*/
static void selectInnerLoop(
  Parse *pParse,          /* The parser context */
  Select *p,              /* The complete select statement being coded */

  int srcTab,             /* Pull data from this table if non-negative */
  SortCtx *pSort,         /* If not NULL, info on how to process ORDER BY */
  DistinctCtx *pDistinct, /* If not NULL, info on how to process DISTINCT */
  SelectDest *pDest,      /* How to dispose of the results */
  int iContinue,          /* Jump here to continue with next row */
  int iBreak              /* Jump here to break out of the inner loop */
){
  Vdbe *v = pParse->pVdbe;
................................................................................
  ** same value. However, if the results are being sent to the sorter, the
  ** values for any expressions that are also part of the sort-key are omitted
  ** from this array. In this case regOrig is set to zero.  */
  int regResult;              /* Start of memory holding current results */
  int regOrig;                /* Start of memory holding full result (or 0) */

  assert( v );
  assert( p->pEList!=0 );
  hasDistinct = pDistinct ? pDistinct->eTnctType : WHERE_DISTINCT_NOOP;
  if( pSort && pSort->pOrderBy==0 ) pSort = 0;
  if( pSort==0 && !hasDistinct ){
    assert( iContinue!=0 );
    codeOffset(v, p->iOffset, iContinue);
  }

  /* Pull the requested columns.
  */
  nResultCol = p->pEList->nExpr;

  if( pDest->iSdst==0 ){
    if( pSort ){
      nPrefixReg = pSort->pOrderBy->nExpr;
      if( !(pSort->sortFlags & SORTFLAG_UseSorter) ) nPrefixReg++;
      pParse->nMem += nPrefixReg;
    }
................................................................................
    pParse->nMem += nResultCol;
  }
  pDest->nSdst = nResultCol;
  regOrig = regResult = pDest->iSdst;
  if( srcTab>=0 ){
    for(i=0; i<nResultCol; i++){
      sqlite3VdbeAddOp3(v, OP_Column, srcTab, i, regResult+i);
      VdbeComment((v, "%s", p->pEList->a[i].zName));
    }
  }else if( eDest!=SRT_Exists ){
    /* If the destination is an EXISTS(...) expression, the actual
    ** values returned by the SELECT are not required.
    */
    u8 ecelFlags;
    if( eDest==SRT_Mem || eDest==SRT_Output || eDest==SRT_Coroutine ){
      ecelFlags = SQLITE_ECEL_DUP;
    }else{
      ecelFlags = 0;
    }
    if( pSort && hasDistinct==0 && eDest!=SRT_EphemTab && eDest!=SRT_Table ){
      /* For each expression in p->pEList that is a copy of an expression in
      ** the ORDER BY clause (pSort->pOrderBy), set the associated 
      ** iOrderByCol value to one more than the index of the ORDER BY 
      ** expression within the sort-key that pushOntoSorter() will generate.
      ** This allows the p->pEList field to be omitted from the sorted record,
      ** saving space and CPU cycles.  */
      ecelFlags |= (SQLITE_ECEL_OMITREF|SQLITE_ECEL_REF);
      for(i=pSort->nOBSat; i<pSort->pOrderBy->nExpr; i++){
        int j;
        if( (j = pSort->pOrderBy->a[i].u.x.iOrderByCol)>0 ){
          p->pEList->a[j-1].u.x.iOrderByCol = i+1-pSort->nOBSat;
        }
      }
      regOrig = 0;
      assert( eDest==SRT_Set || eDest==SRT_Mem 
           || eDest==SRT_Coroutine || eDest==SRT_Output );
    }
    nResultCol = sqlite3ExprCodeExprList(pParse,p->pEList,regResult,0,ecelFlags);
  }

  /* If the DISTINCT keyword was present on the SELECT statement
  ** and this row has been seen before, then do not make this row
  ** part of the result.
  */
  if( hasDistinct ){
................................................................................
        pOp = sqlite3VdbeGetOp(v, pDistinct->addrTnct);
        pOp->opcode = OP_Null;
        pOp->p1 = 1;
        pOp->p2 = regPrev;

        iJump = sqlite3VdbeCurrentAddr(v) + nResultCol;
        for(i=0; i<nResultCol; i++){
          CollSeq *pColl = sqlite3ExprCollSeq(pParse, p->pEList->a[i].pExpr);
          if( i<nResultCol-1 ){
            sqlite3VdbeAddOp3(v, OP_Ne, regResult+i, iJump, regPrev+i);
            VdbeCoverage(v);
          }else{
            sqlite3VdbeAddOp3(v, OP_Eq, regResult+i, iContinue, regPrev+i);
            VdbeCoverage(v);
           }
................................................................................
  return pTab;
}

/*
** Get a VDBE for the given parser context.  Create a new one if necessary.
** If an error occurs, return NULL and leave a message in pParse.
*/
Vdbe *sqlite3GetVdbe(Parse *pParse){
  if( pParse->pVdbe ){
    return pParse->pVdbe;
  }
  if( pParse->pToplevel==0
   && OptimizationEnabled(pParse->db,SQLITE_FactorOutConst)
  ){
    pParse->okConstFactor = 1;
  }
  return sqlite3VdbeCreate(pParse);




}


/*
** Compute the iLimit and iOffset fields of the SELECT based on the
** pLimit and pOffset expressions.  pLimit and pOffset hold the expressions
** that appear in the original SQL statement after the LIMIT and OFFSET
................................................................................
    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);
  }
  sqlite3VdbeResolveLabel(v, addrCont);

................................................................................
        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);
        sqlite3VdbeResolveLabel(v, iBreak);
        sqlite3VdbeAddOp2(v, OP_Close, unionTab, 0);
      }
      break;
................................................................................
      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);
      selectInnerLoop(pParse, p, tab1,
                      0, 0, &dest, iCont, iBreak);
      sqlite3VdbeResolveLabel(v, iCont);
      sqlite3VdbeAddOp2(v, OP_Next, tab1, iStart); VdbeCoverage(v);
      sqlite3VdbeResolveLabel(v, iBreak);
      sqlite3VdbeAddOp2(v, OP_Close, tab2, 0);
      sqlite3VdbeAddOp2(v, OP_Close, tab1, 0);
      break;
................................................................................
    ** into an OP_Noop.
    */
    if( sSort.addrSortIndex>=0 && sSort.pOrderBy==0 ){
      sqlite3VdbeChangeToNoop(v, sSort.addrSortIndex);
    }

    /* Use the standard inner loop. */
    assert( p->pEList==pEList );
    selectInnerLoop(pParse, p, -1, &sSort, &sDistinct, pDest,
                    sqlite3WhereContinueLabel(pWInfo),
                    sqlite3WhereBreakLabel(pWInfo));

    /* End the database scan loop.
    */
    sqlite3WhereEnd(pWInfo);
  }else{
................................................................................
      addrOutputRow = sqlite3VdbeCurrentAddr(v);
      sqlite3VdbeAddOp2(v, OP_IfPos, iUseFlag, addrOutputRow+2);
      VdbeCoverage(v);
      VdbeComment((v, "Groupby result generator entry point"));
      sqlite3VdbeAddOp1(v, OP_Return, regOutputRow);
      finalizeAggFunctions(pParse, &sAggInfo);
      sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL);
      selectInnerLoop(pParse, p, -1, &sSort,
                      &sDistinct, pDest,
                      addrOutputRow+1, addrSetAbort);
      sqlite3VdbeAddOp1(v, OP_Return, regOutputRow);
      VdbeComment((v, "end groupby result generator"));

      /* Generate a subroutine that will reset the group-by accumulator
      */
................................................................................
        }
        sqlite3WhereEnd(pWInfo);
        finalizeAggFunctions(pParse, &sAggInfo);
      }

      sSort.pOrderBy = 0;
      sqlite3ExprIfFalse(pParse, pHaving, addrEnd, SQLITE_JUMPIFNULL);
      selectInnerLoop(pParse, p, -1, 0, 0, 
                      pDest, addrEnd, addrEnd);
      sqlite3ExprListDelete(db, pDel);
    }
    sqlite3VdbeResolveLabel(v, addrEnd);
    
  } /* endif aggregate query */

Changes to src/sqliteInt.h.

46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
....
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
** Make sure the Tcl calling convention macro is defined.  This macro is
** only used by test code and Tcl integration code.
*/
#ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
#endif

/*
** Make sure that rand_s() is available on Windows systems with MSVC 2005
** or higher.
*/
#if defined(_MSC_VER) && _MSC_VER>=1400
#  define _CRT_RAND_S
#endif

/*
** Include the header file used to customize the compiler options for MSVC.
** This should be done first so that it can successfully prevent spurious
** compiler warnings due to subsequent content in this file and other files
** that are included by this file.
*/
#include "msvc.h"
................................................................................
** column expression as it exists in a SELECT statement.  However, if
** the bSpanIsTab flag is set, then zSpan is overloaded to mean the name
** of the result column in the form: DATABASE.TABLE.COLUMN.  This later
** form is used for name resolution with nested FROM clauses.
*/
struct ExprList {
  int nExpr;             /* Number of expressions on the list */
  int nAlloc;            /* Number of a[] slots allocated */
  struct ExprList_item { /* For each expression in the list */
    Expr *pExpr;            /* The parse tree for this expression */
    char *zName;            /* Token associated with this expression */
    char *zSpan;            /* Original text of the expression */
    u8 sortOrder;           /* 1 for DESC or 0 for ASC */
    unsigned done :1;       /* A flag to indicate when processing is finished */
    unsigned bSpanIsTab :1; /* zSpan holds DB.TABLE.COLUMN */







<
<
<
<
<
<
<
<







 







<







46
47
48
49
50
51
52








53
54
55
56
57
58
59
....
2474
2475
2476
2477
2478
2479
2480

2481
2482
2483
2484
2485
2486
2487
** Make sure the Tcl calling convention macro is defined.  This macro is
** only used by test code and Tcl integration code.
*/
#ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
#endif









/*
** Include the header file used to customize the compiler options for MSVC.
** This should be done first so that it can successfully prevent spurious
** compiler warnings due to subsequent content in this file and other files
** that are included by this file.
*/
#include "msvc.h"
................................................................................
** column expression as it exists in a SELECT statement.  However, if
** the bSpanIsTab flag is set, then zSpan is overloaded to mean the name
** of the result column in the form: DATABASE.TABLE.COLUMN.  This later
** form is used for name resolution with nested FROM clauses.
*/
struct ExprList {
  int nExpr;             /* Number of expressions on the list */

  struct ExprList_item { /* For each expression in the list */
    Expr *pExpr;            /* The parse tree for this expression */
    char *zName;            /* Token associated with this expression */
    char *zSpan;            /* Original text of the expression */
    u8 sortOrder;           /* 1 for DESC or 0 for ASC */
    unsigned done :1;       /* A flag to indicate when processing is finished */
    unsigned bSpanIsTab :1; /* zSpan holds DB.TABLE.COLUMN */

Changes to src/vdbe.c.

2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
....
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
....
2627
2628
2629
2630
2631
2632
2633









2634
2635
2636
2637
2638
2639
2640
....
7011
7012
7013
7014
7015
7016
7017
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031



7032
7033
7034
7035
7036
7037
7038
      ** Type entries can be between 1 and 5 bytes each.  But 4 and 5 byte
      ** types use so much data space that there can only be 4096 and 32 of
      ** them, respectively.  So the maximum header length results from a
      ** 3-byte type for each of the maximum of 32768 columns plus three
      ** extra bytes for the header length itself.  32768*3 + 3 = 98307.
      */
      if( aOffset[0] > 98307 || aOffset[0] > pC->payloadSize ){
        rc = SQLITE_CORRUPT_BKPT;
        goto abort_due_to_error;
      }
    }else{
      /* This is an optimization.  By skipping over the first few tests
      ** (ex: pC->nHdrParsed<=p2) in the next section, we achieve a
      ** measurable performance gain.
      **
      ** This branch is taken even if aOffset[0]==0.  Such a record is never
................................................................................
       || (offset64 > pC->payloadSize)
      ){
        if( aOffset[0]==0 ){
          i = 0;
          zHdr = zEndHdr;
        }else{
          if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);
          rc = SQLITE_CORRUPT_BKPT;
          goto abort_due_to_error;
        }
      }

      pC->nHdrParsed = i;
      pC->iHdrOffset = (u32)(zHdr - zData);
      if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);
    }else{
................................................................................
    }
  }

op_column_out:
  UPDATE_MAX_BLOBSIZE(pDest);
  REGISTER_TRACE(pOp->p3, pDest);
  break;









}

/* Opcode: Affinity P1 P2 * P4 *
** Synopsis: affinity(r[P1@P2])
**
** Apply affinities to a range of P2 registers starting with P1.
**
................................................................................

  REGISTER_TRACE(pOp->p3, pOut);
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}


/* Opcode: Init P1 P2 * P4 *
** Synopsis: Start at P2
**
** Programs contain a single instance of this opcode as the very first
** opcode.
**
** If tracing is enabled (by the sqlite3_trace()) interface, then
** the UTF-8 string contained in P4 is emitted on the trace callback.
** Or if P4 is blank, use the string returned by sqlite3_sql().
**
** If P2 is not zero, jump to instruction P2.
**
** Increment the value of P1 so that OP_Once opcodes will jump the
** first time they are evaluated for this run.



*/
case OP_Init: {          /* jump */
  char *zTrace;
  int i;

  /* If the P4 argument is not NULL, then it must be an SQL comment string.
  ** The "--" string is broken up to prevent false-positives with srcck1.c.







|
<







 







|
<







 







>
>
>
>
>
>
>
>
>







 







|













>
>
>







2457
2458
2459
2460
2461
2462
2463
2464

2465
2466
2467
2468
2469
2470
2471
....
2530
2531
2532
2533
2534
2535
2536
2537

2538
2539
2540
2541
2542
2543
2544
....
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
....
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040
7041
7042
7043
7044
7045
7046
7047
7048
      ** Type entries can be between 1 and 5 bytes each.  But 4 and 5 byte
      ** types use so much data space that there can only be 4096 and 32 of
      ** them, respectively.  So the maximum header length results from a
      ** 3-byte type for each of the maximum of 32768 columns plus three
      ** extra bytes for the header length itself.  32768*3 + 3 = 98307.
      */
      if( aOffset[0] > 98307 || aOffset[0] > pC->payloadSize ){
        goto op_column_corrupt;

      }
    }else{
      /* This is an optimization.  By skipping over the first few tests
      ** (ex: pC->nHdrParsed<=p2) in the next section, we achieve a
      ** measurable performance gain.
      **
      ** This branch is taken even if aOffset[0]==0.  Such a record is never
................................................................................
       || (offset64 > pC->payloadSize)
      ){
        if( aOffset[0]==0 ){
          i = 0;
          zHdr = zEndHdr;
        }else{
          if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);
          goto op_column_corrupt;

        }
      }

      pC->nHdrParsed = i;
      pC->iHdrOffset = (u32)(zHdr - zData);
      if( pC->aRow==0 ) sqlite3VdbeMemRelease(&sMem);
    }else{
................................................................................
    }
  }

op_column_out:
  UPDATE_MAX_BLOBSIZE(pDest);
  REGISTER_TRACE(pOp->p3, pDest);
  break;

op_column_corrupt:
  if( aOp[0].p3>0 ){
    pOp = &aOp[aOp[0].p3-1];
    break;
  }else{
    rc = SQLITE_CORRUPT_BKPT;
    goto abort_due_to_error;
  }
}

/* Opcode: Affinity P1 P2 * P4 *
** Synopsis: affinity(r[P1@P2])
**
** Apply affinities to a range of P2 registers starting with P1.
**
................................................................................

  REGISTER_TRACE(pOp->p3, pOut);
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}


/* Opcode: Init P1 P2 P3 P4 *
** Synopsis: Start at P2
**
** Programs contain a single instance of this opcode as the very first
** opcode.
**
** If tracing is enabled (by the sqlite3_trace()) interface, then
** the UTF-8 string contained in P4 is emitted on the trace callback.
** Or if P4 is blank, use the string returned by sqlite3_sql().
**
** If P2 is not zero, jump to instruction P2.
**
** Increment the value of P1 so that OP_Once opcodes will jump the
** first time they are evaluated for this run.
**
** If P3 is not zero, then it is an address to jump to if an SQLITE_CORRUPT
** error is encountered.
*/
case OP_Init: {          /* jump */
  char *zTrace;
  int i;

  /* If the P4 argument is not NULL, then it must be an SQL comment string.
  ** The "--" string is broken up to prevent false-positives with srcck1.c.

Changes to src/vdbeaux.c.

29
30
31
32
33
34
35

36
37
38
39

40
41
42
43
44
45
46
....
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
....
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920

2921


2922









2923
2924
2925
2926
2927
2928
2929
    db->pVdbe->pPrev = p;
  }
  p->pNext = db->pVdbe;
  p->pPrev = 0;
  db->pVdbe = p;
  p->magic = VDBE_MAGIC_INIT;
  p->pParse = pParse;

  assert( pParse->aLabel==0 );
  assert( pParse->nLabel==0 );
  assert( pParse->nOpAlloc==0 );
  assert( pParse->szOpAlloc==0 );

  return p;
}

/*
** Change the error string stored in Vdbe.zErrMsg
*/
void sqlite3VdbeError(Vdbe *p, const char *zFormat, ...){
................................................................................
  }

  /* Delete any auxdata allocations made by the VM */
  if( p->pAuxData ) sqlite3VdbeDeleteAuxData(p->db, &p->pAuxData, -1, 0);
  assert( p->pAuxData==0 );
}

/*
** Clean up the VM after a single run.
*/
static void Cleanup(Vdbe *p){
  sqlite3 *db = p->db;

#ifdef SQLITE_DEBUG
  /* Execute assert() statements to ensure that the Vdbe.apCsr[] and 
  ** Vdbe.aMem[] arrays have already been cleaned up.  */
  int i;
  if( p->apCsr ) for(i=0; i<p->nCursor; i++) assert( p->apCsr[i]==0 );
  if( p->aMem ){
    for(i=0; i<p->nMem; i++) assert( p->aMem[i].flags==MEM_Undefined );
  }
#endif

  sqlite3DbFree(db, p->zErrMsg);
  p->zErrMsg = 0;
  p->pResultSet = 0;
}

/*
** Set the number of result columns that will be returned by this SQL
** statement. This is now set at compile time, rather than during
** execution of the vdbe program so that sqlite3_column_count() can
** be called on an SQL statement before sqlite3_step().
*/
void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){
................................................................................
  ** and error message from the VDBE into the main database structure.  But
  ** if the VDBE has just been set to run but has not actually executed any
  ** instructions yet, leave the main database error information unchanged.
  */
  if( p->pc>=0 ){
    vdbeInvokeSqllog(p);
    sqlite3VdbeTransferError(p);
    sqlite3DbFree(db, p->zErrMsg);
    p->zErrMsg = 0;
    if( p->runOnlyOnce ) p->expired = 1;
  }else if( p->rc && p->expired ){
    /* The expired flag was set on the VDBE before the first call
    ** to sqlite3_step(). For consistency (since sqlite3_step() was
    ** called), set the database error in this case as well.
    */
    sqlite3ErrorWithMsg(db, p->rc, p->zErrMsg ? "%s" : 0, p->zErrMsg);
    sqlite3DbFree(db, p->zErrMsg);
    p->zErrMsg = 0;
  }

  /* Reclaim all memory used by the VDBE

  */


  Cleanup(p);










  /* Save profiling information from this VDBE run.
  */
#ifdef VDBE_PROFILE
  {
    FILE *out = fopen("vdbe_profile.out", "a");
    if( out ){







>




>







 







<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







<
<







<
<


<
>

>
>
|
>
>
>
>
>
>
>
>
>







29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
....
2156
2157
2158
2159
2160
2161
2162





















2163
2164
2165
2166
2167
2168
2169
....
2881
2882
2883
2884
2885
2886
2887


2888
2889
2890
2891
2892
2893
2894


2895
2896

2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
    db->pVdbe->pPrev = p;
  }
  p->pNext = db->pVdbe;
  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
*/
void sqlite3VdbeError(Vdbe *p, const char *zFormat, ...){
................................................................................
  }

  /* Delete any auxdata allocations made by the VM */
  if( p->pAuxData ) sqlite3VdbeDeleteAuxData(p->db, &p->pAuxData, -1, 0);
  assert( p->pAuxData==0 );
}






















/*
** Set the number of result columns that will be returned by this SQL
** statement. This is now set at compile time, rather than during
** execution of the vdbe program so that sqlite3_column_count() can
** be called on an SQL statement before sqlite3_step().
*/
void sqlite3VdbeSetNumCols(Vdbe *p, int nResColumn){
................................................................................
  ** and error message from the VDBE into the main database structure.  But
  ** if the VDBE has just been set to run but has not actually executed any
  ** instructions yet, leave the main database error information unchanged.
  */
  if( p->pc>=0 ){
    vdbeInvokeSqllog(p);
    sqlite3VdbeTransferError(p);


    if( p->runOnlyOnce ) p->expired = 1;
  }else if( p->rc && p->expired ){
    /* The expired flag was set on the VDBE before the first call
    ** to sqlite3_step(). For consistency (since sqlite3_step() was
    ** called), set the database error in this case as well.
    */
    sqlite3ErrorWithMsg(db, p->rc, p->zErrMsg ? "%s" : 0, p->zErrMsg);


  }


  /* Reset register contents and reclaim error message memory.
  */
#ifdef SQLITE_DEBUG
  /* Execute assert() statements to ensure that the Vdbe.apCsr[] and 
  ** Vdbe.aMem[] arrays have already been cleaned up.  */
  int i;
  if( p->apCsr ) for(i=0; i<p->nCursor; i++) assert( p->apCsr[i]==0 );
  if( p->aMem ){
    for(i=0; i<p->nMem; i++) assert( p->aMem[i].flags==MEM_Undefined );
  }
#endif
  sqlite3DbFree(db, p->zErrMsg);
  p->zErrMsg = 0;
  p->pResultSet = 0;

  /* Save profiling information from this VDBE run.
  */
#ifdef VDBE_PROFILE
  {
    FILE *out = fopen("vdbe_profile.out", "a");
    if( out ){

Changes to src/vdbeblob.c.

271
272
273
274
275
276
277
278

279
280
281
282
283
284
285
...
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
      Vdbe *v = (Vdbe *)pBlob->pStmt;
      int iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
      VdbeOp *aOp;

      sqlite3VdbeAddOp4Int(v, OP_Transaction, iDb, wrFlag, 
                           pTab->pSchema->schema_cookie,
                           pTab->pSchema->iGeneration);
      sqlite3VdbeChangeP5(v, 1);     

      aOp = sqlite3VdbeAddOpList(v, ArraySize(openBlob), openBlob, iLn);

      /* Make sure a mutex is held on the table to be accessed */
      sqlite3VdbeUsesBtree(v, iDb); 

      if( db->mallocFailed==0 ){
        assert( aOp!=0 );
................................................................................
        /* Configure the OP_TableLock instruction */
#ifdef SQLITE_OMIT_SHARED_CACHE
        aOp[0].opcode = OP_Noop;
#else
        aOp[0].p1 = iDb;
        aOp[0].p2 = pTab->tnum;
        aOp[0].p3 = wrFlag;
        sqlite3VdbeChangeP4(v, 1, pTab->zName, P4_TRANSIENT);
      }
      if( db->mallocFailed==0 ){
#endif

        /* Remove either the OP_OpenWrite or OpenRead. Set the P2 
        ** parameter of the other to pTab->tnum.  */
        if( wrFlag ) aOp[1].opcode = OP_OpenWrite;







|
>







 







|







271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
...
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
      Vdbe *v = (Vdbe *)pBlob->pStmt;
      int iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
      VdbeOp *aOp;

      sqlite3VdbeAddOp4Int(v, OP_Transaction, iDb, wrFlag, 
                           pTab->pSchema->schema_cookie,
                           pTab->pSchema->iGeneration);
      sqlite3VdbeChangeP5(v, 1);
      assert( sqlite3VdbeCurrentAddr(v)==2 || db->mallocFailed );
      aOp = sqlite3VdbeAddOpList(v, ArraySize(openBlob), openBlob, iLn);

      /* Make sure a mutex is held on the table to be accessed */
      sqlite3VdbeUsesBtree(v, iDb); 

      if( db->mallocFailed==0 ){
        assert( aOp!=0 );
................................................................................
        /* Configure the OP_TableLock instruction */
#ifdef SQLITE_OMIT_SHARED_CACHE
        aOp[0].opcode = OP_Noop;
#else
        aOp[0].p1 = iDb;
        aOp[0].p2 = pTab->tnum;
        aOp[0].p3 = wrFlag;
        sqlite3VdbeChangeP4(v, 2, pTab->zName, P4_TRANSIENT);
      }
      if( db->mallocFailed==0 ){
#endif

        /* Remove either the OP_OpenWrite or OpenRead. Set the P2 
        ** parameter of the other to pTab->tnum.  */
        if( wrFlag ) aOp[1].opcode = OP_OpenWrite;

Changes to src/where.c.

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    }else{
      sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName);
    }
    if( pLoop->wsFlags & WHERE_INDEXED ){
      Index *pIx = pLoop->u.btree.pIndex;
      int iIndexCur;
      int op = OP_OpenRead;
      /* iAuxArg is always set if to a positive value if ONEPASS is possible */
      assert( iAuxArg!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );
      if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx)
       && (wctrlFlags & WHERE_OR_SUBCLAUSE)!=0
      ){
        /* This is one term of an OR-optimization using the PRIMARY KEY of a
        ** WITHOUT ROWID table.  No need for a separate index */
        iIndexCur = pLevel->iTabCur;







|







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    }else{
      sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName);
    }
    if( pLoop->wsFlags & WHERE_INDEXED ){
      Index *pIx = pLoop->u.btree.pIndex;
      int iIndexCur;
      int op = OP_OpenRead;
      /* iAuxArg is always set to a positive value if ONEPASS is possible */
      assert( iAuxArg!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );
      if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx)
       && (wctrlFlags & WHERE_OR_SUBCLAUSE)!=0
      ){
        /* This is one term of an OR-optimization using the PRIMARY KEY of a
        ** WITHOUT ROWID table.  No need for a separate index */
        iIndexCur = pLevel->iTabCur;

Changes to test/corruptC.test.

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  hexio_write test.db 3119 [format %02x 0xdf]
  hexio_write test.db 4073 [format %02x 0xbf]

  sqlite3 db test.db
  catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
  catchsql {PRAGMA integrity_check}
} {0 {{*** in database main ***
On tree page 4 cell 19: Extends off end of page}}}

# {0 {{*** in database main ***
# Corruption detected in cell 710 on page 4
# Multiple uses for byte 661 of page 4
# Fragmented space is 249 byte reported as 21 on page 4}}}

# test that a corrupt free cell size is handled (seed 169595)







|







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  hexio_write test.db 3119 [format %02x 0xdf]
  hexio_write test.db 4073 [format %02x 0xbf]

  sqlite3 db test.db
  catchsql {BEGIN; UPDATE t2 SET y='abcdef-uvwxyz'; ROLLBACK;}
  catchsql {PRAGMA integrity_check}
} {0 {{*** in database main ***
On tree page 4 cell 19: Extends off end of page} {database disk image is malformed}}}

# {0 {{*** in database main ***
# Corruption detected in cell 710 on page 4
# Multiple uses for byte 661 of page 4
# Fragmented space is 249 byte reported as 21 on page 4}}}

# test that a corrupt free cell size is handled (seed 169595)

Changes to test/fts3conf.test.

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    INSERT INTO t1(docid, x) VALUES(1, 'a b c');
    REPLACE INTO t1(docid, x) VALUES('zero', 'd e f');
} {1 {datatype mismatch}}
do_execsql_test 2.2.2 { COMMIT }
do_execsql_test 2.2.3 { SELECT * FROM t1 } {{a b c} {a b c}}
fts3_integrity 2.2.4 db t1


do_execsql_test 3.1 {
  CREATE VIRTUAL TABLE t3 USING fts4;
  REPLACE INTO t3(docid, content) VALUES (1, 'one two');
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
} {X'0100000002000000'}

do_execsql_test 3.2 {
  REPLACE INTO t3(docid, content) VALUES (2, 'one two three four');
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'four'
} {X'0200000003000000'}

do_execsql_test 3.3 {
  REPLACE INTO t3(docid, content) VALUES (1, 'one two three four five six');
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
} {X'0200000005000000'}

do_execsql_test 3.4 {
  UPDATE OR REPLACE t3 SET docid = 2 WHERE docid=1;
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
} {X'0100000006000000'}

do_execsql_test 3.5 {
  UPDATE OR REPLACE t3 SET docid = 3 WHERE docid=2;
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
} {X'0100000006000000'}

do_execsql_test 3.6 {
  REPLACE INTO t3(docid, content) VALUES (3, 'one two');
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
} {X'0100000002000000'}

do_execsql_test 3.7 {
  REPLACE INTO t3(docid, content) VALUES (NULL, 'one two three four');
  REPLACE INTO t3(docid, content) VALUES (NULL, 'one two three four five six');
  SELECT docid FROM t3;
} {3 4 5}

do_execsql_test 3.8 {
  UPDATE OR REPLACE t3 SET docid = 5, content='three four' WHERE docid = 4;
  SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
} {X'0200000002000000'}


#-------------------------------------------------------------------------
# Test that the xSavepoint is invoked correctly if the first write 
# operation within a transaction is to a virtual table. 
# 
do_catchsql_test 4.1.1 {
  CREATE VIRTUAL TABLE t0 USING fts4;







>
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188
    INSERT INTO t1(docid, x) VALUES(1, 'a b c');
    REPLACE INTO t1(docid, x) VALUES('zero', 'd e f');
} {1 {datatype mismatch}}
do_execsql_test 2.2.2 { COMMIT }
do_execsql_test 2.2.3 { SELECT * FROM t1 } {{a b c} {a b c}}
fts3_integrity 2.2.4 db t1

if {$tcl_platform(byteOrder)=="littleEndian"} {
  do_execsql_test 3.1 {
    CREATE VIRTUAL TABLE t3 USING fts4;
    REPLACE INTO t3(docid, content) VALUES (1, 'one two');
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
  } {X'0100000002000000'}
  
  do_execsql_test 3.2 {
    REPLACE INTO t3(docid, content) VALUES (2, 'one two three four');
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'four'
  } {X'0200000003000000'}
  
  do_execsql_test 3.3 {
    REPLACE INTO t3(docid, content) VALUES (1, 'one two three four five six');
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
  } {X'0200000005000000'}
  
  do_execsql_test 3.4 {
    UPDATE OR REPLACE t3 SET docid = 2 WHERE docid=1;
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
  } {X'0100000006000000'}
  
  do_execsql_test 3.5 {
    UPDATE OR REPLACE t3 SET docid = 3 WHERE docid=2;
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'six'
  } {X'0100000006000000'}
  
  do_execsql_test 3.6 {
    REPLACE INTO t3(docid, content) VALUES (3, 'one two');
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
  } {X'0100000002000000'}
  
  do_execsql_test 3.7 {
    REPLACE INTO t3(docid, content) VALUES(NULL,'one two three four');
    REPLACE INTO t3(docid, content) VALUES(NULL,'one two three four five six');
    SELECT docid FROM t3;
  } {3 4 5}
  
  do_execsql_test 3.8 {
    UPDATE OR REPLACE t3 SET docid = 5, content='three four' WHERE docid = 4;
    SELECT quote(matchinfo(t3, 'na')) FROM t3 WHERE t3 MATCH 'one'
  } {X'0200000002000000'}
}

#-------------------------------------------------------------------------
# Test that the xSavepoint is invoked correctly if the first write 
# operation within a transaction is to a virtual table. 
# 
do_catchsql_test 4.1.1 {
  CREATE VIRTUAL TABLE t0 USING fts4;

Changes to test/misc1.test.

707
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713

714









715
# minutes to prepare.  This has been speeded up to about 250 milliseconds.
#
do_catchsql_test misc1-25.0 {
SELECT-1 UNION  SELECT 5 UNION SELECT 0 UNION SElECT*from(SELECT-5) UNION SELECT*from(SELECT-0) UNION  SELECT:SELECT-0 UNION SELECT-1 UNION SELECT 1 UNION SELECT 1 ORDER BY S  in(WITH K AS(WITH K AS(select'CREINDERcharREADEVIRTUL5TABLECONFLICT !1 USIN'' MFtOR(b38q,eWITH K AS(selectCREATe TABLE t0(a,b,c,d,e, PRIMARY KEY(a,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,b,c,d,c,a,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d'CEIl,k'',ab, g, a,b,o11b, i'nEX/charREDE IVT LR!VABLt5SG',N  ,N in rement,l_vacuum,M&U,'te3(''5l' a,bB,b,l*e)SELECT:SELECT, *,*,*from(( SELECT
$group,:conc ap0,1)fro,(select"",:PBAG,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d, foreign_keysc,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,a,b,d,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,bb,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,a,b,d,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,MAato_aecSELEC,+?b," "O,"i","a",""b  ,5 ))KEY)SELECT*FROM((k()reaC,k,K) eA,k '' )t ,K  M);
} {1 {'k' is not a function}}












finish_test







>
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>
>
>
>
>
>

707
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709
710
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712
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714
715
716
717
718
719
720
721
722
723
724
725
# minutes to prepare.  This has been speeded up to about 250 milliseconds.
#
do_catchsql_test misc1-25.0 {
SELECT-1 UNION  SELECT 5 UNION SELECT 0 UNION SElECT*from(SELECT-5) UNION SELECT*from(SELECT-0) UNION  SELECT:SELECT-0 UNION SELECT-1 UNION SELECT 1 UNION SELECT 1 ORDER BY S  in(WITH K AS(WITH K AS(select'CREINDERcharREADEVIRTUL5TABLECONFLICT !1 USIN'' MFtOR(b38q,eWITH K AS(selectCREATe TABLE t0(a,b,c,d,e, PRIMARY KEY(a,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,b,c,d,c,a,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d'CEIl,k'',ab, g, a,b,o11b, i'nEX/charREDE IVT LR!VABLt5SG',N  ,N in rement,l_vacuum,M&U,'te3(''5l' a,bB,b,l*e)SELECT:SELECT, *,*,*from(( SELECT
$group,:conc ap0,1)fro,(select"",:PBAG,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d, foreign_keysc,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,a,b,d,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,c,a,b,b,c,d,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,d,c,e,d,d,c,a,b,b,c,c,a,b,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,bb,b,E,d,c,d,c,b,c,d,c,d,c,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,a,b,c,e,d,d,c,a,b,b,c,d,d,c,a,b,c,e,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,c,d,c,a,b,d,d,c,a,a,b,d,d,c,a,b,b,c,d,c,a,b,e,e,d,b,c,d,c,a,b,b,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,c,a,b,c,e,d,d,c,a,b,b,c,d,c,d,c,a,b,c,e,c,d,c,a,b,b,c,d,MAato_aecSELEC,+?b," "O,"i","a",""b  ,5 ))KEY)SELECT*FROM((k()reaC,k,K) eA,k '' )t ,K  M);
} {1 {'k' is not a function}}

# 2017-09-17
#
# Sometimes sqlite3ExprListAppend() can be invoked on an ExprList that
# was obtained from sqlite3ExprListDup().
#
do_execsql_test misc1-26.0 {
  DROP TABLE IF EXISTS abc;
  CREATE TABLE abc(a, b, c);
  SELECT randomblob(min(max(coalesce(EXISTS (SELECT 1 FROM ( SELECT (SELECT 2147483647) NOT IN (SELECT 2147483649 UNION ALL SELECT DISTINCT -1) IN (SELECT 2147483649), 'fault', (SELECT ALL -1 INTERSECT SELECT 'experiments') IN (SELECT ALL 56.1 ORDER BY 'experiments' DESC) FROM (SELECT DISTINCT 2147483648, 'hardware' UNION ALL SELECT -2147483648, 'experiments' ORDER BY 2147483648 LIMIT 1 OFFSET 123456789.1234567899) GROUP BY (SELECT ALL 0 INTERSECT SELECT 'in') IN (SELECT DISTINCT 'experiments' ORDER BY zeroblob(1000) LIMIT 56.1 OFFSET -456) HAVING EXISTS (SELECT 'fault' EXCEPT    SELECT DISTINCT 56.1) UNION SELECT 'The', 'The', 2147483649 UNION ALL SELECT DISTINCT 'hardware', 'first', 'experiments' ORDER BY 'hardware' LIMIT 123456789.1234567899 OFFSET -2147483647)) NOT IN (SELECT (SELECT DISTINCT (SELECT 'The') FROM abc ORDER BY EXISTS (SELECT -1 INTERSECT SELECT ALL NULL) ASC) IN (SELECT DISTINCT EXISTS (SELECT ALL 123456789.1234567899 ORDER BY 1 ASC, NULL DESC) FROM sqlite_master INTERSECT SELECT 456)), (SELECT ALL 'injection' UNION ALL SELECT ALL (SELECT DISTINCT 'first' UNION     SELECT DISTINCT 'The') FROM (SELECT 456, 'in', 2147483649))),1), 500)), 'first', EXISTS (SELECT DISTINCT 456 FROM abc ORDER BY 'experiments' DESC) FROM abc;
} {}

finish_test

Added test/mjournal.test.







































































































































































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# 2017 September 15
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#

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

# Test that nothing bad happens if a journal file contains a pointer to
# a master journal file that does not have a "-" in the name. At one point
# this was causing a segfault on unix.
#
do_execsql_test 1.0 {
  CREATE TABLE t1(a, b);
}

do_test 1.1 {
  forcedelete test.db2journal test.db-journal

  close [open test.db-journal w]
  
  hexio_write test.db-journal 0 746573742e6462326a6f75726e616c00
  hexio_write test.db-journal 16 00000010
  hexio_write test.db-journal 20 000005e1
  hexio_write test.db-journal 24 d9d505f920a163d7

  close [open test.db2journal w]
  hexio_write test.db2journal 0 abcd
} {2}

do_execsql_test 1.2 {
  SELECT * FROM t1;
}

do_test 1.3 {
  forcedelete test0db2journal test.db-journal
  close [open test.db-journal w]
  hexio_write test.db-journal 0 74657374306462326a6f75726e616c00
  hexio_write test.db-journal 16 00000010
  hexio_write test.db-journal 20 000005e3
  hexio_write test.db-journal 24 d9d505f920a163d7

  close [open test0db2journal w]
  hexio_write test0db2journal 0 abcd
} {2}

do_execsql_test 1.4 {
  SELECT * FROM t1;
}

# And now test that nothing bad happens if a master journal contains a
# pointer to a journal file that does not have a "-" in the name. 
#
do_test 1.5 {
  forcedelete test.db2-master test.db-journal test1
  close [open test.db-journal w]
  hexio_write test.db-journal 0 746573742e6462322d6d617374657200
  hexio_write test.db-journal 16 00000010
  hexio_write test.db-journal 20 0000059f
  hexio_write test.db-journal 24 d9d505f920a163d7

  close [open test.db2-master w]
  hexio_write test.db2-master 0 746573743100

  close [open test1 w]
  hexio_write test1 0 abcd
} {2}

do_execsql_test 1.6 {
  SELECT * FROM t1;
}

  
finish_test

Changes to test/pragma.test.

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sqlite3 db test.db
do_catchsql_test 24.1 {
  SELECT * FROM t1;
} {1 {database disk image is malformed}}
do_catchsql_test 24.2 {
  PRAGMA integrity_check;
} {1 {database disk image is malformed}}

database_never_corrupt
finish_test







|



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sqlite3 db test.db
do_catchsql_test 24.1 {
  SELECT * FROM t1;
} {1 {database disk image is malformed}}
do_catchsql_test 24.2 {
  PRAGMA integrity_check;
} {0 {{database disk image is malformed}}}

database_never_corrupt
finish_test

Changes to test/releasetest.tcl.

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    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_STMT_SCANSTATUS
    --enable-json1 --enable-fts5 --enable-session
  }
  "Debug-One" {
    --disable-shared
    -O2
    -DSQLITE_DEBUG=1
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_MUTEX_NOOP=1
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1







|







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    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_ENABLE_STAT4
    -DSQLITE_ENABLE_STMT_SCANSTATUS
    --enable-json1 --enable-fts5 --enable-session
  }
  "Debug-One" {
    --disable-shared
    -O2 -funsigned-char
    -DSQLITE_DEBUG=1
    -DSQLITE_MEMDEBUG=1
    -DSQLITE_MUTEX_NOOP=1
    -DSQLITE_TCL_DEFAULT_FULLMUTEX=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_MEMSYS5=1

Changes to test/win32heap.test.

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#
#    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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is recovery from transient manditory locks
# that sometimes appear on database files due to anti-virus software.
#

if {$tcl_platform(platform)!="windows"} return

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








|
<







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#
#    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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.  The
# focus of this script is the Win32 heap implementation.

#

if {$tcl_platform(platform)!="windows"} return

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