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Comment:Merge in trunk changes.
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SHA1: a2914d6b17358de05eb39f764c0c13d2d4cf8f3b
User & Date: drh 2013-12-03 20:51:33.333
Context
2013-12-06
15:49
Update to the 3.8.2 release. (check-in: e579661a79 user: drh tags: sessions)
2013-12-03
20:51
Merge in trunk changes. (check-in: a2914d6b17 user: drh tags: sessions)
19:49
Remove a branch in STAT4 logic that is no longer reachable after the previous change. (check-in: eca7d3f161 user: drh tags: trunk)
2013-12-02
21:58
Merge all recent 3.8.2 beta changes from trunk. (check-in: 67c34ccfa9 user: drh tags: sessions)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/build.c.
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  Db *pDb;             /* The specific table containing the indexed database */
  int iDb;             /* Index of the database that is being written */
  Token *pName = 0;    /* Unqualified name of the index to create */
  struct ExprList_item *pListItem; /* For looping over pList */
  const Column *pTabCol;           /* A column in the table */
  int nExtra = 0;                  /* Space allocated for zExtra[] */
  int nExtraCol;                   /* Number of extra columns needed */
  char *zExtra;                    /* Extra space after the Index object */
  Index *pPk = 0;      /* PRIMARY KEY index for WITHOUT ROWID tables */

  assert( pParse->nErr==0 );      /* Never called with prior errors */
  if( db->mallocFailed || IN_DECLARE_VTAB ){
    goto exit_create_index;
  }
  if( SQLITE_OK!=sqlite3ReadSchema(pParse) ){







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  Db *pDb;             /* The specific table containing the indexed database */
  int iDb;             /* Index of the database that is being written */
  Token *pName = 0;    /* Unqualified name of the index to create */
  struct ExprList_item *pListItem; /* For looping over pList */
  const Column *pTabCol;           /* A column in the table */
  int nExtra = 0;                  /* Space allocated for zExtra[] */
  int nExtraCol;                   /* Number of extra columns needed */
  char *zExtra = 0;                /* Extra space after the Index object */
  Index *pPk = 0;      /* PRIMARY KEY index for WITHOUT ROWID tables */

  assert( pParse->nErr==0 );      /* Never called with prior errors */
  if( db->mallocFailed || IN_DECLARE_VTAB ){
    goto exit_create_index;
  }
  if( SQLITE_OK!=sqlite3ReadSchema(pParse) ){
Changes to src/update.c.
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        OPFLAG_ISUPDATE | ((hasFK || chngKey || pPk!=0) ? 0 : OPFLAG_ISNOOP),
        regNewRowid
    );
    if( !pParse->nested ){
      sqlite3VdbeChangeP4(v, -1, (char*)pTab, P4_TABLE);
    }
    if( bReplace || chngKey ){
      if( sqlite3VdbeCurrentAddr(v)==j1+1 ){
        sqlite3VdbeChangeToNoop(v, j1);
      }else{
        sqlite3VdbeJumpHere(v, j1);
      }
    }

    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey);
    }
  
    /* Insert the new index entries and the new record. */







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        OPFLAG_ISUPDATE | ((hasFK || chngKey || pPk!=0) ? 0 : OPFLAG_ISNOOP),
        regNewRowid
    );
    if( !pParse->nested ){
      sqlite3VdbeChangeP4(v, -1, (char*)pTab, P4_TABLE);
    }
    if( bReplace || chngKey ){



      sqlite3VdbeJumpHere(v, j1);

    }

    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey);
    }
  
    /* Insert the new index entries and the new record. */
Changes to src/vdbeaux.c.
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  */
  /*  mem1.u.i = 0;  // not needed, here to silence compiler warning */
  
  idx1 = getVarint32(aKey1, szHdr1);
  d1 = szHdr1;
  assert( pKeyInfo->nField+pKeyInfo->nXField>=pPKey2->nField || CORRUPT_DB );
  assert( pKeyInfo->aSortOrder!=0 );

  assert( (idx1<=szHdr1 && i<pPKey2->nField) || CORRUPT_DB );
  do{
    u32 serial_type1;

    /* Read the serial types for the next element in each key. */
    idx1 += getVarint32( aKey1+idx1, serial_type1 );

    /* Verify that there is enough key space remaining to avoid







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  */
  /*  mem1.u.i = 0;  // not needed, here to silence compiler warning */
  
  idx1 = getVarint32(aKey1, szHdr1);
  d1 = szHdr1;
  assert( pKeyInfo->nField+pKeyInfo->nXField>=pPKey2->nField || CORRUPT_DB );
  assert( pKeyInfo->aSortOrder!=0 );
  assert( pKeyInfo->nField>0 );
  assert( idx1<=szHdr1 || CORRUPT_DB );
  do{
    u32 serial_type1;

    /* Read the serial types for the next element in each key. */
    idx1 += getVarint32( aKey1+idx1, serial_type1 );

    /* Verify that there is enough key space remaining to avoid
Changes to src/vdbemem.c.
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    if( pRec==0 ){
      Index *pIdx = p->pIdx;      /* Index being probed */
      int nByte;                  /* Bytes of space to allocate */
      int i;                      /* Counter variable */
      int nCol = pIdx->nColumn;   /* Number of index columns including rowid */
  
      nByte = sizeof(Mem) * nCol + sizeof(UnpackedRecord);
      pRec = (UnpackedRecord*)sqlite3DbMallocZero(db, nByte);
      if( pRec ){
        pRec->pKeyInfo = sqlite3KeyInfoOfIndex(p->pParse, pIdx);
        if( pRec->pKeyInfo ){
          assert( pRec->pKeyInfo->nField+pRec->pKeyInfo->nXField==nCol );
          assert( pRec->pKeyInfo->enc==ENC(db) );
          pRec->flags = UNPACKED_PREFIX_MATCH;
          pRec->aMem = (Mem *)&pRec[1];
          for(i=0; i<nCol; i++){
            pRec->aMem[i].flags = MEM_Null;
            pRec->aMem[i].type = SQLITE_NULL;
            pRec->aMem[i].db = db;
          }
        }else{
          sqlite3DbFree(db, pRec);







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    if( pRec==0 ){
      Index *pIdx = p->pIdx;      /* Index being probed */
      int nByte;                  /* Bytes of space to allocate */
      int i;                      /* Counter variable */
      int nCol = pIdx->nColumn;   /* Number of index columns including rowid */
  
      nByte = sizeof(Mem) * nCol + ROUND8(sizeof(UnpackedRecord));
      pRec = (UnpackedRecord*)sqlite3DbMallocZero(db, nByte);
      if( pRec ){
        pRec->pKeyInfo = sqlite3KeyInfoOfIndex(p->pParse, pIdx);
        if( pRec->pKeyInfo ){
          assert( pRec->pKeyInfo->nField+pRec->pKeyInfo->nXField==nCol );
          assert( pRec->pKeyInfo->enc==ENC(db) );
          pRec->flags = UNPACKED_PREFIX_MATCH;
          pRec->aMem = (Mem *)((u8*)pRec + ROUND8(sizeof(UnpackedRecord)));
          for(i=0; i<nCol; i++){
            pRec->aMem[i].flags = MEM_Null;
            pRec->aMem[i].type = SQLITE_NULL;
            pRec->aMem[i].db = db;
          }
        }else{
          sqlite3DbFree(db, pRec);
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  int rc = SQLITE_OK;

  if( !pExpr ){
    *ppVal = 0;
    return SQLITE_OK;
  }
  op = pExpr->op;

  /* op can only be TK_REGISTER if we have compiled with SQLITE_ENABLE_STAT4.
  ** The ifdef here is to enable us to achieve 100% branch test coverage even
  ** when SQLITE_ENABLE_STAT4 is omitted.
  */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( op==TK_REGISTER ) op = pExpr->op2;
#else
  if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;
#endif

  /* Handle negative integers in a single step.  This is needed in the
  ** case when the value is -9223372036854775808.
  */
  if( op==TK_UMINUS
   && (pExpr->pLeft->op==TK_INTEGER || pExpr->pLeft->op==TK_FLOAT) ){
    pExpr = pExpr->pLeft;







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  int rc = SQLITE_OK;

  if( !pExpr ){
    *ppVal = 0;
    return SQLITE_OK;
  }
  op = pExpr->op;








  if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;


  /* Handle negative integers in a single step.  This is needed in the
  ** case when the value is -9223372036854775808.
  */
  if( op==TK_UMINUS
   && (pExpr->pLeft->op==TK_INTEGER || pExpr->pLeft->op==TK_FLOAT) ){
    pExpr = pExpr->pLeft;
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  /* Skip over any TK_COLLATE nodes */
  pExpr = sqlite3ExprSkipCollate(pExpr);

  if( !pExpr ){
    pVal = valueNew(db, &alloc);
    if( pVal ){
      sqlite3VdbeMemSetNull((Mem*)pVal);
      *pbOk = 1;
    }
  }else if( pExpr->op==TK_VARIABLE
        || (pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
  ){
    Vdbe *v;
    int iBindVar = pExpr->iColumn;
    sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
    if( (v = pParse->pReprepare)!=0 ){
      pVal = valueNew(db, &alloc);
      if( pVal ){
        rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]);
        if( rc==SQLITE_OK ){
          sqlite3ValueApplyAffinity(pVal, affinity, ENC(db));
        }
        pVal->db = pParse->db;
        *pbOk = 1;
        sqlite3VdbeMemStoreType((Mem*)pVal);
      }
    }else{
      *pbOk = 0;
    }
  }else{
    rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, &alloc);
    *pbOk = (pVal!=0);
  }


  assert( pVal==0 || pVal->db==db );
  return rc;
}

/*
** Unless it is NULL, the argument must be an UnpackedRecord object returned







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  /* Skip over any TK_COLLATE nodes */
  pExpr = sqlite3ExprSkipCollate(pExpr);

  if( !pExpr ){
    pVal = valueNew(db, &alloc);
    if( pVal ){
      sqlite3VdbeMemSetNull((Mem*)pVal);

    }
  }else if( pExpr->op==TK_VARIABLE
        || NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
  ){
    Vdbe *v;
    int iBindVar = pExpr->iColumn;
    sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
    if( (v = pParse->pReprepare)!=0 ){
      pVal = valueNew(db, &alloc);
      if( pVal ){
        rc = sqlite3VdbeMemCopy((Mem*)pVal, &v->aVar[iBindVar-1]);
        if( rc==SQLITE_OK ){
          sqlite3ValueApplyAffinity(pVal, affinity, ENC(db));
        }
        pVal->db = pParse->db;

        sqlite3VdbeMemStoreType((Mem*)pVal);
      }


    }
  }else{
    rc = valueFromExpr(db, pExpr, ENC(db), affinity, &pVal, &alloc);

  }
  *pbOk = (pVal!=0);

  assert( pVal==0 || pVal->db==db );
  return rc;
}

/*
** Unless it is NULL, the argument must be an UnpackedRecord object returned
Changes to src/where.c.
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  int i = pIdx->nSample;      /* Smallest sample larger than or equal to pRec */
  int iTest;                  /* Next sample to test */
  int res;                    /* Result of comparison operation */

#ifndef SQLITE_DEBUG
  UNUSED_PARAMETER( pParse );
#endif
  assert( pRec!=0 || pParse->db->mallocFailed );
  if( pRec==0 ) return;
  iCol = pRec->nField - 1;
  assert( pIdx->nSample>0 );
  assert( pRec->nField>0 && iCol<pIdx->nSampleCol );
  do{
    iTest = (iMin+i)/2;
    res = sqlite3VdbeRecordCompare(aSample[iTest].n, aSample[iTest].p, pRec);
    if( res<0 ){







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  int i = pIdx->nSample;      /* Smallest sample larger than or equal to pRec */
  int iTest;                  /* Next sample to test */
  int res;                    /* Result of comparison operation */

#ifndef SQLITE_DEBUG
  UNUSED_PARAMETER( pParse );
#endif
  assert( pRec!=0 );

  iCol = pRec->nField - 1;
  assert( pIdx->nSample>0 );
  assert( pRec->nField>0 && iCol<pIdx->nSampleCol );
  do{
    iTest = (iMin+i)/2;
    res = sqlite3VdbeRecordCompare(aSample[iTest].n, aSample[iTest].p, pRec);
    if( res<0 ){
Changes to test/conflict2.test.
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 11 ROLLBACK {UPDATE OR IGNORE}      0 {6 7 3 9}  1 0 0
 12 {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1 0 0
 13 {}       {UPDATE OR REPLACE}     0 {7 6 9}    1 0 1
 14 {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1 0 0
 15 {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1 0 1
 16 {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0 0 0
} {





  if {$t0} {set t1 {UNIQUE constraint failed: t1.a}}
  if {[info exists TEMP_STORE] && $TEMP_STORE==3} {
    set t3 0
  } else {
    set t3 [expr {$t3+$t4}]
  }
  do_test conflict2-6.$i {







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 11 ROLLBACK {UPDATE OR IGNORE}      0 {6 7 3 9}  1 0 0
 12 {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1 0 0
 13 {}       {UPDATE OR REPLACE}     0 {7 6 9}    1 0 1
 14 {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1 0 0
 15 {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1 0 1
 16 {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0 0 0
} {

  # When using in-memory journals, no temporary files are required for
  # statement journals.
  if {[permutation] == "inmemory_journal"} { set t4 0 }

  if {$t0} {set t1 {UNIQUE constraint failed: t1.a}}
  if {[info exists TEMP_STORE] && $TEMP_STORE==3} {
    set t3 0
  } else {
    set t3 [expr {$t3+$t4}]
  }
  do_test conflict2-6.$i {
Changes to test/fts3varint.test.
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# 2007 November 23
#
#    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 runs all tests.
#
# $Id: fts3.test,v 1.2 2008/07/23 18:17:32 drh Exp $

set testdir [file dirname $argv0]
source $testdir/permutations.test
set testprefix fts3varint

ifcapable !fts3 {
  finish_test
  return
}













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# 2007 November 23
#
#    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 runs all tests.
#
# $Id: fts3.test,v 1.2 2008/07/23 18:17:32 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix fts3varint

ifcapable !fts3 {
  finish_test
  return
}

Changes to test/fuzz3.test.
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# bytes.
#
# $Id: fuzz3.test,v 1.3 2009/01/05 17:19:03 drh Exp $

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





expr srand(123)

proc rstring {n} {
  set str s
  while {[string length $str] < $n} {
    append str [expr rand()]







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# bytes.
#
# $Id: fuzz3.test,v 1.3 2009/01/05 17:19:03 drh Exp $

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

# These tests deal with corrupt database files
#
database_may_be_corrupt

expr srand(123)

proc rstring {n} {
  set str s
  while {[string length $str] < $n} {
    append str [expr rand()]