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Overview
Comment:Merge trunk changes into the apple-osx branch.
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SHA1:b9fad4490c437a2c49cf86cc1c068433d6d2866b
User & Date: drh 2014-05-29 20:36:56
Context
2014-06-05
12:53
Merge in the 3.8.5 release changes and the FTS integrity-check fix. check-in: 2dbdfa51 user: drh tags: apple-osx
2014-05-29
20:36
Merge trunk changes into the apple-osx branch. check-in: b9fad449 user: drh tags: apple-osx
20:17
Fix to the EXPLAIN indentation logic in the command-line shell. check-in: 8f916ed1 user: drh tags: trunk
2014-05-26
20:08
Merge recent trunk changes into the apple-osx branch. check-in: 54b5fa77 user: drh tags: apple-osx
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to ext/fts3/fts3.c.

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  }

  /* Fill in the abNotindexed array */
  for(iCol=0; iCol<nCol; iCol++){
    int n = (int)strlen(p->azColumn[iCol]);
    for(i=0; i<nNotindexed; i++){
      char *zNot = azNotindexed[i];
      if( zNot && strlen(zNot)==n 
       && 0==sqlite3_strnicmp(p->azColumn[iCol], zNot, n) 
      ){
        p->abNotindexed[iCol] = 1;
        sqlite3_free(zNot);
        azNotindexed[i] = 0;
      }
    }







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  }

  /* Fill in the abNotindexed array */
  for(iCol=0; iCol<nCol; iCol++){
    int n = (int)strlen(p->azColumn[iCol]);
    for(i=0; i<nNotindexed; i++){
      char *zNot = azNotindexed[i];
      if( zNot && n==(int)strlen(zNot)
       && 0==sqlite3_strnicmp(p->azColumn[iCol], zNot, n) 
      ){
        p->abNotindexed[iCol] = 1;
        sqlite3_free(zNot);
        azNotindexed[i] = 0;
      }
    }

Changes to ext/fts3/fts3_expr.c.

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      pParse->nNest++;
      rc = fts3ExprParse(pParse, zInput+1, nInput-1, ppExpr, &nConsumed);
      if( rc==SQLITE_OK && !*ppExpr ){ rc = SQLITE_DONE; }
      *pnConsumed = (int)(zInput - z) + 1 + nConsumed;
      return rc;
    }else if( *zInput==')' ){
      pParse->nNest--;
      *pnConsumed = (zInput - z) + 1;
      *ppExpr = 0;
      return SQLITE_DONE;
    }
  }

  /* If control flows to this point, this must be a regular token, or 
  ** the end of the input. Read a regular token using the sqlite3_tokenizer







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      pParse->nNest++;
      rc = fts3ExprParse(pParse, zInput+1, nInput-1, ppExpr, &nConsumed);
      if( rc==SQLITE_OK && !*ppExpr ){ rc = SQLITE_DONE; }
      *pnConsumed = (int)(zInput - z) + 1 + nConsumed;
      return rc;
    }else if( *zInput==')' ){
      pParse->nNest--;
      *pnConsumed = (int)((zInput - z) + 1);
      *ppExpr = 0;
      return SQLITE_DONE;
    }
  }

  /* If control flows to this point, this must be a regular token, or 
  ** the end of the input. Read a regular token using the sqlite3_tokenizer

Changes to ext/fts3/fts3_write.c.

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    ** segments in this index on levels greater than iAbsLevel. If there is
    ** at least one such segment, and it is possible to determine that all 
    ** such segments are smaller than nLimit bytes in size, they will be 
    ** promoted to level iAbsLevel.  */
    sqlite3_bind_int64(pRange, 1, iAbsLevel+1);
    sqlite3_bind_int64(pRange, 2, iLast);
    while( SQLITE_ROW==sqlite3_step(pRange) ){
      i64 nSize, dummy;
      fts3ReadEndBlockField(pRange, 2, &dummy, &nSize);
      if( nSize<=0 || nSize>nLimit ){
        /* If nSize==0, then the %_segdir.end_block field does not not 
        ** contain a size value. This happens if it was written by an
        ** old version of FTS. In this case it is not possible to determine
        ** the size of the segment, and so segment promotion does not
        ** take place.  */
................................................................................
    memset(pWriter, 0, nAlloc);
    pFilter->flags = FTS3_SEGMENT_REQUIRE_POS;

    if( rc==SQLITE_OK ){
      rc = fts3IncrmergeOutputIdx(p, iAbsLevel, &iIdx);
      assert( bUseHint==1 || bUseHint==0 );
      if( iIdx==0 || (bUseHint && iIdx==1) ){
        int bIgnore;
        rc = fts3SegmentIsMaxLevel(p, iAbsLevel+1, &bIgnore);
        if( bIgnore ){
          pFilter->flags |= FTS3_SEGMENT_IGNORE_EMPTY;
        }
      }
    }








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    ** segments in this index on levels greater than iAbsLevel. If there is
    ** at least one such segment, and it is possible to determine that all 
    ** such segments are smaller than nLimit bytes in size, they will be 
    ** promoted to level iAbsLevel.  */
    sqlite3_bind_int64(pRange, 1, iAbsLevel+1);
    sqlite3_bind_int64(pRange, 2, iLast);
    while( SQLITE_ROW==sqlite3_step(pRange) ){
      i64 nSize = 0, dummy;
      fts3ReadEndBlockField(pRange, 2, &dummy, &nSize);
      if( nSize<=0 || nSize>nLimit ){
        /* If nSize==0, then the %_segdir.end_block field does not not 
        ** contain a size value. This happens if it was written by an
        ** old version of FTS. In this case it is not possible to determine
        ** the size of the segment, and so segment promotion does not
        ** take place.  */
................................................................................
    memset(pWriter, 0, nAlloc);
    pFilter->flags = FTS3_SEGMENT_REQUIRE_POS;

    if( rc==SQLITE_OK ){
      rc = fts3IncrmergeOutputIdx(p, iAbsLevel, &iIdx);
      assert( bUseHint==1 || bUseHint==0 );
      if( iIdx==0 || (bUseHint && iIdx==1) ){
        int bIgnore = 0;
        rc = fts3SegmentIsMaxLevel(p, iAbsLevel+1, &bIgnore);
        if( bIgnore ){
          pFilter->flags |= FTS3_SEGMENT_IGNORE_EMPTY;
        }
      }
    }

Changes to src/analyze.c.

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    if( pIdx->pPartIdxWhere==0 ) needTableCnt = 0;
    VdbeNoopComment((v, "Begin analysis of %s", pIdx->zName));
    nCol = pIdx->nKeyCol;
    aGotoChng = sqlite3DbMallocRaw(db, sizeof(int)*(nCol+1));
    if( aGotoChng==0 ) continue;

    /* Populate the register containing the index name. */
    if( pIdx->autoIndex==2 && !HasRowid(pTab) ){
      zIdxName = pTab->zName;
    }else{
      zIdxName = pIdx->zName;
    }
    sqlite3VdbeAddOp4(v, OP_String8, 0, regIdxname, 0, zIdxName, 0);

    /*







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    if( pIdx->pPartIdxWhere==0 ) needTableCnt = 0;
    VdbeNoopComment((v, "Begin analysis of %s", pIdx->zName));
    nCol = pIdx->nKeyCol;
    aGotoChng = sqlite3DbMallocRaw(db, sizeof(int)*(nCol+1));
    if( aGotoChng==0 ) continue;

    /* Populate the register containing the index name. */
    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){
      zIdxName = pTab->zName;
    }else{
      zIdxName = pIdx->zName;
    }
    sqlite3VdbeAddOp4(v, OP_String8, 0, regIdxname, 0, zIdxName, 0);

    /*

Changes to src/btree.c.

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){
  assert( pCur!=0 && pCur->iPage>=0 && pCur->apPage[pCur->iPage]);
  assert( pCur->eState==CURSOR_VALID );
  assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) );
  assert( cursorHoldsMutex(pCur) );
  assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell );
  assert( pCur->info.nSize>0 );
#if 0
  if( pCur->info.nSize==0 ){
    btreeParseCell(pCur->apPage[pCur->iPage], pCur->aiIdx[pCur->iPage],
                   &pCur->info);
  }
#endif
  *pAmt = pCur->info.nLocal;
  return (void*)(pCur->info.pCell + pCur->info.nHeader);
}


/*
** For the entry that cursor pCur is point to, return as







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<







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){
  assert( pCur!=0 && pCur->iPage>=0 && pCur->apPage[pCur->iPage]);
  assert( pCur->eState==CURSOR_VALID );
  assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) );
  assert( cursorHoldsMutex(pCur) );
  assert( pCur->aiIdx[pCur->iPage]<pCur->apPage[pCur->iPage]->nCell );
  assert( pCur->info.nSize>0 );






  *pAmt = pCur->info.nLocal;
  return (void*)(pCur->info.pCell + pCur->info.nHeader);
}


/*
** For the entry that cursor pCur is point to, return as

Changes to src/build.c.

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}

/*
** Return the PRIMARY KEY index of a table
*/
Index *sqlite3PrimaryKeyIndex(Table *pTab){
  Index *p;
  for(p=pTab->pIndex; p && p->autoIndex!=2; p=p->pNext){}
  return p;
}

/*
** Return the column of index pIdx that corresponds to table
** column iCol.  Return -1 if not found.
*/
................................................................................
  }else{
    Vdbe *v = pParse->pVdbe;
    Index *p;
    if( v ) pParse->addrSkipPK = sqlite3VdbeAddOp0(v, OP_Noop);
    p = sqlite3CreateIndex(pParse, 0, 0, 0, pList, onError, 0,
                           0, sortOrder, 0);
    if( p ){
      p->autoIndex = 2;
      if( v ) sqlite3VdbeJumpHere(v, pParse->addrSkipPK);
    }
    pList = 0;
  }

primary_key_exit:
  sqlite3ExprListDelete(pParse->db, pList);
................................................................................
    if( pList==0 ) return;
    pList->a[0].zName = sqlite3DbStrDup(pParse->db,
                                        pTab->aCol[pTab->iPKey].zName);
    pList->a[0].sortOrder = pParse->iPkSortOrder;
    assert( pParse->pNewTable==pTab );
    pPk = sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0);
    if( pPk==0 ) return;
    pPk->autoIndex = 2;
    pTab->iPKey = -1;
  }else{
    pPk = sqlite3PrimaryKeyIndex(pTab);
  }
  pPk->isCovering = 1;
  assert( pPk!=0 );
  nPk = pPk->nKeyCol;
................................................................................
  pPk->tnum = pTab->tnum;

  /* Update the in-memory representation of all UNIQUE indices by converting
  ** the final rowid column into one or more columns of the PRIMARY KEY.
  */
  for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
    int n;
    if( pIdx->autoIndex==2 ) continue;
    for(i=n=0; i<nPk; i++){
      if( !hasColumn(pIdx->aiColumn, pIdx->nKeyCol, pPk->aiColumn[i]) ) n++;
    }
    if( n==0 ){
      /* This index is a superset of the primary key */
      pIdx->nColumn = pIdx->nKeyCol;
      continue;
................................................................................
**
** pList is a list of columns to be indexed.  pList will be NULL if this
** is a primary key or unique-constraint on the most recent column added
** to the table currently under construction.  
**
** If the index is created successfully, return a pointer to the new Index
** structure. This is used by sqlite3AddPrimaryKey() to mark the index
** as the tables primary key (Index.autoIndex==2).
*/
Index *sqlite3CreateIndex(
  Parse *pParse,     /* All information about this parse */
  Token *pName1,     /* First part of index name. May be NULL */
  Token *pName2,     /* Second part of index name. May be NULL */
  SrcList *pTblName, /* Table to index. Use pParse->pNewTable if 0 */
  ExprList *pList,   /* A list of columns to be indexed */
................................................................................
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->azColl) );
  pIndex->zName = zExtra;
  zExtra += nName + 1;
  memcpy(pIndex->zName, zName, nName+1);
  pIndex->pTable = pTab;
  pIndex->onError = (u8)onError;
  pIndex->uniqNotNull = onError!=OE_None;
  pIndex->autoIndex = (u8)(pName==0);
  pIndex->pSchema = db->aDb[iDb].pSchema;
  pIndex->nKeyCol = pList->nExpr;
  if( pPIWhere ){
    sqlite3ResolveSelfReference(pParse, pTab, NC_PartIdx, pPIWhere, 0);
    pIndex->pPartIdxWhere = pPIWhere;
    pPIWhere = 0;
  }
................................................................................
    ** the constraint occur in different orders, then the constraints are
    ** considered distinct and both result in separate indices.
    */
    Index *pIdx;
    for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
      int k;
      assert( pIdx->onError!=OE_None );
      assert( pIdx->autoIndex );
      assert( pIndex->onError!=OE_None );

      if( pIdx->nKeyCol!=pIndex->nKeyCol ) continue;
      for(k=0; k<pIdx->nKeyCol; k++){
        const char *z1;
        const char *z2;
        if( pIdx->aiColumn[k]!=pIndex->aiColumn[k] ) break;
................................................................................
      sqlite3ErrorMsg(pParse, "no such index: %S", pName, 0);
    }else{
      sqlite3CodeVerifyNamedSchema(pParse, pName->a[0].zDatabase);
    }
    pParse->checkSchema = 1;
    goto exit_drop_index;
  }
  if( pIndex->autoIndex ){
    sqlite3ErrorMsg(pParse, "index associated with UNIQUE "
      "or PRIMARY KEY constraint cannot be dropped", 0);
    goto exit_drop_index;
  }
  iDb = sqlite3SchemaToIndex(db, pIndex->pSchema);
#ifndef SQLITE_OMIT_AUTHORIZATION
  {
................................................................................
    if( j ) sqlite3StrAccumAppend(&errMsg, ", ", 2);
    sqlite3StrAccumAppendAll(&errMsg, pTab->zName);
    sqlite3StrAccumAppend(&errMsg, ".", 1);
    sqlite3StrAccumAppendAll(&errMsg, zCol);
  }
  zErr = sqlite3StrAccumFinish(&errMsg);
  sqlite3HaltConstraint(pParse, 

    (pIdx->autoIndex==2)?SQLITE_CONSTRAINT_PRIMARYKEY:SQLITE_CONSTRAINT_UNIQUE,
    onError, zErr, P4_DYNAMIC, P5_ConstraintUnique);
}


/*
** Code an OP_Halt due to non-unique rowid.
*/







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}

/*
** Return the PRIMARY KEY index of a table
*/
Index *sqlite3PrimaryKeyIndex(Table *pTab){
  Index *p;
  for(p=pTab->pIndex; p && !IsPrimaryKeyIndex(p); p=p->pNext){}
  return p;
}

/*
** Return the column of index pIdx that corresponds to table
** column iCol.  Return -1 if not found.
*/
................................................................................
  }else{
    Vdbe *v = pParse->pVdbe;
    Index *p;
    if( v ) pParse->addrSkipPK = sqlite3VdbeAddOp0(v, OP_Noop);
    p = sqlite3CreateIndex(pParse, 0, 0, 0, pList, onError, 0,
                           0, sortOrder, 0);
    if( p ){
      p->idxType = SQLITE_IDXTYPE_PRIMARYKEY;
      if( v ) sqlite3VdbeJumpHere(v, pParse->addrSkipPK);
    }
    pList = 0;
  }

primary_key_exit:
  sqlite3ExprListDelete(pParse->db, pList);
................................................................................
    if( pList==0 ) return;
    pList->a[0].zName = sqlite3DbStrDup(pParse->db,
                                        pTab->aCol[pTab->iPKey].zName);
    pList->a[0].sortOrder = pParse->iPkSortOrder;
    assert( pParse->pNewTable==pTab );
    pPk = sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0);
    if( pPk==0 ) return;
    pPk->idxType = SQLITE_IDXTYPE_PRIMARYKEY;
    pTab->iPKey = -1;
  }else{
    pPk = sqlite3PrimaryKeyIndex(pTab);
  }
  pPk->isCovering = 1;
  assert( pPk!=0 );
  nPk = pPk->nKeyCol;
................................................................................
  pPk->tnum = pTab->tnum;

  /* Update the in-memory representation of all UNIQUE indices by converting
  ** the final rowid column into one or more columns of the PRIMARY KEY.
  */
  for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
    int n;
    if( IsPrimaryKeyIndex(pIdx) ) continue;
    for(i=n=0; i<nPk; i++){
      if( !hasColumn(pIdx->aiColumn, pIdx->nKeyCol, pPk->aiColumn[i]) ) n++;
    }
    if( n==0 ){
      /* This index is a superset of the primary key */
      pIdx->nColumn = pIdx->nKeyCol;
      continue;
................................................................................
**
** pList is a list of columns to be indexed.  pList will be NULL if this
** is a primary key or unique-constraint on the most recent column added
** to the table currently under construction.  
**
** If the index is created successfully, return a pointer to the new Index
** structure. This is used by sqlite3AddPrimaryKey() to mark the index
** as the tables primary key (Index.idxType==SQLITE_IDXTYPE_PRIMARYKEY)
*/
Index *sqlite3CreateIndex(
  Parse *pParse,     /* All information about this parse */
  Token *pName1,     /* First part of index name. May be NULL */
  Token *pName2,     /* Second part of index name. May be NULL */
  SrcList *pTblName, /* Table to index. Use pParse->pNewTable if 0 */
  ExprList *pList,   /* A list of columns to be indexed */
................................................................................
  assert( EIGHT_BYTE_ALIGNMENT(pIndex->azColl) );
  pIndex->zName = zExtra;
  zExtra += nName + 1;
  memcpy(pIndex->zName, zName, nName+1);
  pIndex->pTable = pTab;
  pIndex->onError = (u8)onError;
  pIndex->uniqNotNull = onError!=OE_None;
  pIndex->idxType = pName ? SQLITE_IDXTYPE_APPDEF : SQLITE_IDXTYPE_UNIQUE;
  pIndex->pSchema = db->aDb[iDb].pSchema;
  pIndex->nKeyCol = pList->nExpr;
  if( pPIWhere ){
    sqlite3ResolveSelfReference(pParse, pTab, NC_PartIdx, pPIWhere, 0);
    pIndex->pPartIdxWhere = pPIWhere;
    pPIWhere = 0;
  }
................................................................................
    ** the constraint occur in different orders, then the constraints are
    ** considered distinct and both result in separate indices.
    */
    Index *pIdx;
    for(pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext){
      int k;
      assert( pIdx->onError!=OE_None );
      assert( pIdx->idxType!=SQLITE_IDXTYPE_APPDEF );
      assert( pIndex->onError!=OE_None );

      if( pIdx->nKeyCol!=pIndex->nKeyCol ) continue;
      for(k=0; k<pIdx->nKeyCol; k++){
        const char *z1;
        const char *z2;
        if( pIdx->aiColumn[k]!=pIndex->aiColumn[k] ) break;
................................................................................
      sqlite3ErrorMsg(pParse, "no such index: %S", pName, 0);
    }else{
      sqlite3CodeVerifyNamedSchema(pParse, pName->a[0].zDatabase);
    }
    pParse->checkSchema = 1;
    goto exit_drop_index;
  }
  if( pIndex->idxType!=SQLITE_IDXTYPE_APPDEF ){
    sqlite3ErrorMsg(pParse, "index associated with UNIQUE "
      "or PRIMARY KEY constraint cannot be dropped", 0);
    goto exit_drop_index;
  }
  iDb = sqlite3SchemaToIndex(db, pIndex->pSchema);
#ifndef SQLITE_OMIT_AUTHORIZATION
  {
................................................................................
    if( j ) sqlite3StrAccumAppend(&errMsg, ", ", 2);
    sqlite3StrAccumAppendAll(&errMsg, pTab->zName);
    sqlite3StrAccumAppend(&errMsg, ".", 1);
    sqlite3StrAccumAppendAll(&errMsg, zCol);
  }
  zErr = sqlite3StrAccumFinish(&errMsg);
  sqlite3HaltConstraint(pParse, 
    IsPrimaryKeyIndex(pIdx) ? SQLITE_CONSTRAINT_PRIMARYKEY 
                            : SQLITE_CONSTRAINT_UNIQUE,
    onError, zErr, P4_DYNAMIC, P5_ConstraintUnique);
}


/*
** Code an OP_Halt due to non-unique rowid.
*/

Changes to src/fkey.c.

229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
      /* pIdx is a UNIQUE index (or a PRIMARY KEY) and has the right number
      ** of columns. If each indexed column corresponds to a foreign key
      ** column of pFKey, then this index is a winner.  */

      if( zKey==0 ){
        /* If zKey is NULL, then this foreign key is implicitly mapped to 
        ** the PRIMARY KEY of table pParent. The PRIMARY KEY index may be 
        ** identified by the test (Index.autoIndex==2).  */
        if( pIdx->autoIndex==2 ){
          if( aiCol ){
            int i;
            for(i=0; i<nCol; i++) aiCol[i] = pFKey->aCol[i].iFrom;
          }
          break;
        }
      }else{







|
|







229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
      /* pIdx is a UNIQUE index (or a PRIMARY KEY) and has the right number
      ** of columns. If each indexed column corresponds to a foreign key
      ** column of pFKey, then this index is a winner.  */

      if( zKey==0 ){
        /* If zKey is NULL, then this foreign key is implicitly mapped to 
        ** the PRIMARY KEY of table pParent. The PRIMARY KEY index may be 
        ** identified by the test.  */
        if( IsPrimaryKeyIndex(pIdx) ){
          if( aiCol ){
            int i;
            for(i=0; i<nCol; i++) aiCol[i] = pFKey->aCol[i].iFrom;
          }
          break;
        }
      }else{

Changes to src/insert.c.

1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
....
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
....
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
          ** different from the old.
          **
          ** For a UNIQUE index, only conflict if the PRIMARY KEY values
          ** of the matched index row are different from the original PRIMARY
          ** KEY values of this row before the update.  */
          int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol;
          int op = OP_Ne;
          int regCmp = (pIdx->autoIndex==2 ? regIdx : regR);
  
          for(i=0; i<pPk->nKeyCol; i++){
            char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]);
            x = pPk->aiColumn[i];
            if( i==(pPk->nKeyCol-1) ){
              addrJump = addrUniqueOk;
              op = OP_Eq;
................................................................................
    if( pIdx->pPartIdxWhere ){
      sqlite3VdbeAddOp2(v, OP_IsNull, aRegIdx[i], sqlite3VdbeCurrentAddr(v)+2);
      VdbeCoverage(v);
    }
    sqlite3VdbeAddOp2(v, OP_IdxInsert, iIdxCur+i, aRegIdx[i]);
    pik_flags = 0;
    if( useSeekResult ) pik_flags = OPFLAG_USESEEKRESULT;
    if( pIdx->autoIndex==2 && !HasRowid(pTab) ){
      assert( pParse->nested==0 );
      pik_flags |= OPFLAG_NCHANGE;
    }
    if( pik_flags )  sqlite3VdbeChangeP5(v, pik_flags);
  }
  if( !HasRowid(pTab) ) return;
  regData = regNewData + 1;
................................................................................
  }else{
    sqlite3TableLock(pParse, iDb, pTab->tnum, op==OP_OpenWrite, pTab->zName);
  }
  if( piIdxCur ) *piIdxCur = iBase;
  for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
    int iIdxCur = iBase++;
    assert( pIdx->pSchema==pTab->pSchema );
    if( pIdx->autoIndex==2 && !HasRowid(pTab) && piDataCur ){
      *piDataCur = iIdxCur;
    }
    if( aToOpen==0 || aToOpen[i+1] ){
      sqlite3VdbeAddOp3(v, op, iIdxCur, pIdx->tnum, iDb);
      sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
      VdbeComment((v, "%s", pIdx->zName));
    }







|







 







|







 







|







1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
....
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
....
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
          ** different from the old.
          **
          ** For a UNIQUE index, only conflict if the PRIMARY KEY values
          ** of the matched index row are different from the original PRIMARY
          ** KEY values of this row before the update.  */
          int addrJump = sqlite3VdbeCurrentAddr(v)+pPk->nKeyCol;
          int op = OP_Ne;
          int regCmp = (IsPrimaryKeyIndex(pIdx) ? regIdx : regR);
  
          for(i=0; i<pPk->nKeyCol; i++){
            char *p4 = (char*)sqlite3LocateCollSeq(pParse, pPk->azColl[i]);
            x = pPk->aiColumn[i];
            if( i==(pPk->nKeyCol-1) ){
              addrJump = addrUniqueOk;
              op = OP_Eq;
................................................................................
    if( pIdx->pPartIdxWhere ){
      sqlite3VdbeAddOp2(v, OP_IsNull, aRegIdx[i], sqlite3VdbeCurrentAddr(v)+2);
      VdbeCoverage(v);
    }
    sqlite3VdbeAddOp2(v, OP_IdxInsert, iIdxCur+i, aRegIdx[i]);
    pik_flags = 0;
    if( useSeekResult ) pik_flags = OPFLAG_USESEEKRESULT;
    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) ){
      assert( pParse->nested==0 );
      pik_flags |= OPFLAG_NCHANGE;
    }
    if( pik_flags )  sqlite3VdbeChangeP5(v, pik_flags);
  }
  if( !HasRowid(pTab) ) return;
  regData = regNewData + 1;
................................................................................
  }else{
    sqlite3TableLock(pParse, iDb, pTab->tnum, op==OP_OpenWrite, pTab->zName);
  }
  if( piIdxCur ) *piIdxCur = iBase;
  for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
    int iIdxCur = iBase++;
    assert( pIdx->pSchema==pTab->pSchema );
    if( IsPrimaryKeyIndex(pIdx) && !HasRowid(pTab) && piDataCur ){
      *piDataCur = iIdxCur;
    }
    if( aToOpen==0 || aToOpen[i+1] ){
      sqlite3VdbeAddOp3(v, op, iIdxCur, pIdx->tnum, iDb);
      sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
      VdbeComment((v, "%s", pIdx->zName));
    }

Changes to src/os_win.c.

2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
....
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
....
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
....
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
                      SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res == 0 ){
    pFile->lastErrno = osGetLastError();
    /* No need to log a failure to lock */
  }
  OSTRACE(("READ-LOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
  return res;
}

/*
** Undo a readlock
*/
static int winUnlockReadLock(winFile *pFile){
................................................................................
  }
#endif
  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, rc=%s\n", pFile->h, sqlite3ErrName(res)));
  return res;
}

/*
** Lock the file with the lock specified by parameter locktype - one
** of the following:
**
................................................................................
                                         PENDING_BYTE, 0, 1, 0))==0 ){
      /* Try 3 times to get the pending lock.  This is needed to work
      ** around problems caused by indexing and/or anti-virus software on
      ** Windows systems.
      ** If you are using this code as a model for alternative VFSes, do not
      ** copy this retry logic.  It is a hack intended for Windows only.
      */
      OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, rc=%s\n",
               pFile->h, cnt, sqlite3ErrName(res)));
      if( cnt ) sqlite3_win32_sleep(1);
    }
    gotPendingLock = res;
    if( !res ){
      lastErrno = osGetLastError();
    }
  }
................................................................................

/*
** This routine checks if there is a RESERVED lock held on the specified
** file by this or any other process. If such a lock is held, return
** non-zero, otherwise zero.
*/
static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
  int rc;
  winFile *pFile = (winFile*)id;

  SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );
  OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p\n", pFile->h, pResOut));

  assert( id!=0 );
  if( pFile->locktype>=RESERVED_LOCK ){
    rc = 1;
    OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (local)\n", pFile->h, rc));
  }else{
    rc = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0);
    if( rc ){
      winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
    }
    rc = !rc;
    OSTRACE(("TEST-WR-LOCK file=%p, rc=%d (remote)\n", pFile->h, rc));
  }
  *pResOut = rc;
  OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n",
           pFile->h, pResOut, *pResOut));
  return SQLITE_OK;
}

/*
** Lower the locking level on file descriptor id to locktype.  locktype







|







 







|







 







|
|







 







|







|
|

|
|


|
|

|







2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
....
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
....
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
....
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
                      SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0);
  }
#endif
  if( res == 0 ){
    pFile->lastErrno = osGetLastError();
    /* No need to log a failure to lock */
  }
  OSTRACE(("READ-LOCK file=%p, result=%d\n", pFile->h, res));
  return res;
}

/*
** Undo a readlock
*/
static int winUnlockReadLock(winFile *pFile){
................................................................................
  }
#endif
  if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){
    pFile->lastErrno = lastErrno;
    winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno,
                "winUnlockReadLock", pFile->zPath);
  }
  OSTRACE(("READ-UNLOCK file=%p, result=%d\n", pFile->h, res));
  return res;
}

/*
** Lock the file with the lock specified by parameter locktype - one
** of the following:
**
................................................................................
                                         PENDING_BYTE, 0, 1, 0))==0 ){
      /* Try 3 times to get the pending lock.  This is needed to work
      ** around problems caused by indexing and/or anti-virus software on
      ** Windows systems.
      ** If you are using this code as a model for alternative VFSes, do not
      ** copy this retry logic.  It is a hack intended for Windows only.
      */
      OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, result=%d\n",
               pFile->h, cnt, res));
      if( cnt ) sqlite3_win32_sleep(1);
    }
    gotPendingLock = res;
    if( !res ){
      lastErrno = osGetLastError();
    }
  }
................................................................................

/*
** This routine checks if there is a RESERVED lock held on the specified
** file by this or any other process. If such a lock is held, return
** non-zero, otherwise zero.
*/
static int winCheckReservedLock(sqlite3_file *id, int *pResOut){
  int res;
  winFile *pFile = (winFile*)id;

  SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; );
  OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p\n", pFile->h, pResOut));

  assert( id!=0 );
  if( pFile->locktype>=RESERVED_LOCK ){
    res = 1;
    OSTRACE(("TEST-WR-LOCK file=%p, result=%d (local)\n", pFile->h, res));
  }else{
    res = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0);
    if( res ){
      winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0);
    }
    res = !res;
    OSTRACE(("TEST-WR-LOCK file=%p, result=%d (remote)\n", pFile->h, res));
  }
  *pResOut = res;
  OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n",
           pFile->h, pResOut, *pResOut));
  return SQLITE_OK;
}

/*
** Lower the locking level on file descriptor id to locktype.  locktype

Changes to src/select.c.

4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
#ifndef SQLITE_OMIT_EXPLAIN
static void explainSimpleCount(
  Parse *pParse,                  /* Parse context */
  Table *pTab,                    /* Table being queried */
  Index *pIdx                     /* Index used to optimize scan, or NULL */
){
  if( pParse->explain==2 ){
    int bCover = (pIdx!=0 && (HasRowid(pTab) || pIdx->autoIndex!=2));
    char *zEqp = sqlite3MPrintf(pParse->db, "SCAN TABLE %s%s%s",
        pTab->zName,
        bCover ? " USING COVERING INDEX " : "",
        bCover ? pIdx->zName : ""
    );
    sqlite3VdbeAddOp4(
        pParse->pVdbe, OP_Explain, pParse->iSelectId, 0, 0, zEqp, P4_DYNAMIC







|







4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
#ifndef SQLITE_OMIT_EXPLAIN
static void explainSimpleCount(
  Parse *pParse,                  /* Parse context */
  Table *pTab,                    /* Table being queried */
  Index *pIdx                     /* Index used to optimize scan, or NULL */
){
  if( pParse->explain==2 ){
    int bCover = (pIdx!=0 && (HasRowid(pTab) || !IsPrimaryKeyIndex(pIdx)));
    char *zEqp = sqlite3MPrintf(pParse->db, "SCAN TABLE %s%s%s",
        pTab->zName,
        bCover ? " USING COVERING INDEX " : "",
        bCover ? pIdx->zName : ""
    );
    sqlite3VdbeAddOp4(
        pParse->pVdbe, OP_Explain, pParse->iSelectId, 0, 0, zEqp, P4_DYNAMIC

Changes to src/shell.c.

442
443
444
445
446
447
448
449
450

451
452
453
454
455
456
457
...
874
875
876
877
878
879
880
881

882
883
884
885
886
887
888
....
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
....
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
....
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618

1619
1620

1621
1622
1623
1624

1625
1626
1627
1628
1629
1630
1631

1632
1633
1634
1635
1636
1637
1638
....
1668
1669
1670
1671
1672
1673
1674

1675
1676
1677
1678
1679
1680
1681
....
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
....
2136
2137
2138
2139
2140
2141
2142













2143
2144
2145
2146
2147
2148
2149
....
2235
2236
2237
2238
2239
2240
2241
2242

2243




2244
2245
2246
2247
2248
2249
2250
2251
2252
2253

2254
2255


2256


2257
2258
2259
2260
2261
2262
2263
2264
....
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280





2281
2282
2283
2284
2285
2286
2287
....
2318
2319
2320
2321
2322
2323
2324
2325

2326
2327


2328


2329

2330




2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
....
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375




2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397




2398
2399
2400
2401
2402
2403
2404
....
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
....
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564




2565
2566
2567
2568
2569
2570
2571
....
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602





2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615




2616
2617
2618

2619
2620
2621
2622
2623
2624



2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
....
2684
2685
2686
2687
2688
2689
2690

2691
2692













2693
2694
2695

2696
2697

2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743






2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766




2767
2768
2769
2770
2771
2772
2773
....
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
....
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
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....
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....
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....
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....
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3204
....
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3365
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3370
3371
** An pointer to an instance of this structure is passed from
** the main program to the callback.  This is used to communicate
** state and mode information.
*/
struct callback_data {
  sqlite3 *db;           /* The database */
  int echoOn;            /* True to echo input commands */
  int autoEQP;           /* Run EXPLAIN QUERY PLAN prior to seach SQL statement */
  int statsOn;           /* True to display memory stats before each finalize */

  int cnt;               /* Number of records displayed so far */
  FILE *out;             /* Write results here */
  FILE *traceOut;        /* Output for sqlite3_trace() */
  int nErr;              /* Number of errors seen */
  int mode;              /* An output mode setting */
  int writableSchema;    /* True if PRAGMA writable_schema=ON */
  int showHeader;        /* True to show column names in List or Column mode */
................................................................................
      for(i=0; i<nArg; i++){
        char *zSep = i>0 ? ",": "";
        if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
          fprintf(p->out,"%sNULL",zSep);
        }else if( aiType && aiType[i]==SQLITE_TEXT ){
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_quoted_string(p->out, azArg[i]);
        }else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){

          fprintf(p->out,"%s%s",zSep, azArg[i]);
        }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
          const void *pBlob = sqlite3_column_blob(p->pStmt, i);
          int nBlob = sqlite3_column_bytes(p->pStmt, i);
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_hex_blob(p->out, pBlob, nBlob);
        }else if( isNumber(azArg[i], 0) ){
................................................................................
  const char *z;                  /* Used to check if this is an EXPLAIN */
  int *abYield = 0;               /* True if op is an OP_Yield */
  int nAlloc = 0;                 /* Allocated size of p->aiIndent[], abYield */
  int iOp;                        /* Index of operation in p->aiIndent[] */

  const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext",
                           "NextIfOpen", "PrevIfOpen", 0 };
  const char *azYield[] = { "Yield", "SeekLt", "SeekGt", "RowSetRead", "Rewind", 0 };
  const char *azGoto[] = { "Goto", 0 };

  /* Try to figure out if this is really an EXPLAIN statement. If this
  ** cannot be verified, return early.  */
  zSql = sqlite3_sql(pSql);
  if( zSql==0 ) return;
  for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++);
................................................................................
}

/*
** Text of a help message
*/
static char zHelp[] =
  ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
  ".bail ON|OFF           Stop after hitting an error.  Default OFF\n"
  ".clone NEWDB           Clone data into NEWDB from the existing database\n"
  ".databases             List names and files of attached databases\n"
  ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
  "                         If TABLE specified, only dump tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".echo ON|OFF           Turn command echo on or off\n"
  ".exit                  Exit this program\n"
  ".explain ?ON|OFF?      Turn output mode suitable for EXPLAIN on or off.\n"
  "                         With no args, it turns EXPLAIN on.\n"
  ".header(s) ON|OFF      Turn display of headers on or off\n"
  ".help                  Show this message\n"
  ".import FILE TABLE     Import data from FILE into TABLE\n"
  ".indices ?TABLE?       Show names of all indices\n"
  "                         If TABLE specified, only show indices for tables\n"
  "                         matching LIKE pattern TABLE.\n"
#ifdef SQLITE_ENABLE_IOTRACE
  ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
................................................................................
  "                         html     HTML <table> code\n"
  "                         insert   SQL insert statements for TABLE\n"
  "                         line     One value per line\n"
  "                         list     Values delimited by .separator string\n"
  "                         tabs     Tab-separated values\n"
  "                         tcl      TCL list elements\n"
  ".nullvalue STRING      Use STRING in place of NULL values\n"
  ".open ?FILENAME?       Close existing database and reopen FILENAME\n"
  ".output FILENAME       Send output to FILENAME\n"
  ".output stdout         Send output to the screen\n"
  ".print STRING...       Print literal STRING\n"
  ".prompt MAIN CONTINUE  Replace the standard prompts\n"
  ".quit                  Exit this program\n"
  ".read FILENAME         Execute SQL in FILENAME\n"
  ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
  ".save FILE             Write in-memory database into FILE\n"
  ".schema ?TABLE?        Show the CREATE statements\n"
  "                         If TABLE specified, only show tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".separator STRING      Change separator used by output mode and .import\n"

  ".show                  Show the current values for various settings\n"
  ".stats ON|OFF          Turn stats on or off\n"

  ".tables ?TABLE?        List names of tables\n"
  "                         If TABLE specified, only list tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".timeout MS            Try opening locked tables for MS milliseconds\n"

  ".trace FILE|off        Output each SQL statement as it is run\n"
  ".vfsname ?AUX?         Print the name of the VFS stack\n"
  ".width NUM1 NUM2 ...   Set column widths for \"column\" mode\n"
;

static char zTimerHelp[] =
  ".timer ON|OFF          Turn the CPU timer measurement on or off\n"

;

/* Forward reference */
static int process_input(struct callback_data *p, FILE *in);

/*
** Make sure the database is open.  If it is not, then open it.  If
................................................................................
**    \"    -> "
**    \NNN  -> ascii character NNN in octal
**    \\    -> backslash
*/
static void resolve_backslashes(char *z){
  int i, j;
  char c;

  for(i=j=0; (c = z[i])!=0; i++, j++){
    if( c=='\\' ){
      c = z[++i];
      if( c=='n' ){
        c = '\n';
      }else if( c=='t' ){
        c = '\t';
................................................................................
            c = (c<<3) + z[i] - '0';
          }
        }
      }
    }
    z[j] = c;
  }
  z[j] = 0;
}

/*
** Return the value of a hexadecimal digit.  Return -1 if the input
** is not a hex digit.
*/
static int hexDigitValue(char c){
................................................................................
    tryToCloneSchema(p, newDb, "type='table'", tryToCloneData);
    tryToCloneSchema(p, newDb, "type!='table'", 0);
    sqlite3_exec(newDb, "COMMIT;", 0, 0, 0);
    sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
  }
  sqlite3_close(newDb);
}














/*
** If an input line begins with "." then invoke this routine to
** process that line.
**
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
................................................................................
    }else{
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
      rc = 1;
    }
    sqlite3_close(pDest);
  }else

  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){

    bail_on_error = booleanValue(azArg[1]);




  }else

  /* The undocumented ".breakpoint" command causes a call to the no-op
  ** routine named test_breakpoint().
  */
  if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){
    test_breakpoint();
  }else

  if( c=='c' && strncmp(azArg[0], "clone", n)==0 && nArg>1 && nArg<3 ){

    tryToClone(p, azArg[1]);
  }else





  if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 1;
    data.mode = MODE_Column;
    data.colWidth[0] = 3;
................................................................................
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else

  if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){
    open_db(p, 0);
    /* When playing back a "dump", the content might appear in an order
    ** which causes immediate foreign key constraints to be violated.
    ** So disable foreign-key constraint enforcement to prevent problems. */





    fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
    fprintf(p->out, "BEGIN TRANSACTION;\n");
    p->writableSchema = 0;
    sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
    p->nErr = 0;
    if( nArg==1 ){
      run_schema_dump_query(p, 
................................................................................
      p->writableSchema = 0;
    }
    sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
    sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0);
    fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
  }else

  if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){

    p->echoOn = booleanValue(azArg[1]);
  }else





  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 && nArg>1 && nArg<3 ){

    p->autoEQP = booleanValue(azArg[1]);




  }else

  if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
    if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
    rc = 2;
  }else

  if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){
    int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
    if(val == 1) {
      if(!p->explainPrev.valid) {
        p->explainPrev.valid = 1;
        p->explainPrev.mode = p->mode;
        p->explainPrev.showHeader = p->showHeader;
        memcpy(p->explainPrev.colWidth,p->colWidth,sizeof(p->colWidth));
................................................................................
      p->explainPrev.valid = 0;
      p->mode = p->explainPrev.mode;
      p->showHeader = p->explainPrev.showHeader;
      memcpy(p->colWidth,p->explainPrev.colWidth,sizeof(p->colWidth));
    }
  }else

  if( c=='h' && (strncmp(azArg[0], "header", n)==0 ||
                 strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){
    p->showHeader = booleanValue(azArg[1]);




  }else

  if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
    fprintf(stderr,"%s",zHelp);
    if( HAS_TIMER ){
      fprintf(stderr,"%s",zTimerHelp);
    }
  }else

  if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
    char *zTable = azArg[2];    /* Insert data into this table */
    char *zFile = azArg[1];     /* Name of file to extra content from */
    sqlite3_stmt *pStmt = NULL; /* A statement */
    int nCol;                   /* Number of columns in the table */
    int nByte;                  /* Number of bytes in an SQL string */
    int i, j;                   /* Loop counters */
    int needCommit;             /* True to COMMIT or ROLLBACK at end */
    int nSep;                   /* Number of bytes in p->separator[] */
    char *zSql;                 /* An SQL statement */
    CSVReader sCsv;             /* Reader context */
    int (*xCloser)(FILE*);      /* Procedure to close th3 connection */





    seenInterrupt = 0;
    memset(&sCsv, 0, sizeof(sCsv));
    open_db(p, 0);
    nSep = strlen30(p->separator);
    if( nSep==0 ){
      fprintf(stderr, "Error: non-null separator required for import\n");
      return 1;
................................................................................

    xCloser(sCsv.in);
    sqlite3_free(sCsv.z);
    sqlite3_finalize(pStmt);
    if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_List;
    if( nArg==1 ){
................................................................................
        "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
    }else{
      zShellStatic = azArg[1];
      rc = sqlite3_exec(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
      zShellStatic = 0;




    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }else if( rc != SQLITE_OK ){
      fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
................................................................................
        sqlite3IoTrace = iotracePrintf;
      }
    }
  }else
#endif

#ifndef SQLITE_OMIT_LOAD_EXTENSION
  if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
    const char *zFile, *zProc;
    char *zErrMsg = 0;





    zFile = azArg[1];
    zProc = nArg>=3 ? azArg[2] : 0;
    open_db(p, 0);
    rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else
#endif

  if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){




    const char *zFile = azArg[1];
    output_file_close(p->pLog);
    p->pLog = output_file_open(zFile);

  }else

  if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){
    int n2 = strlen30(azArg[1]);
    if( (n2==4 && strncmp(azArg[1],"line",n2)==0)
        ||



        (n2==5 && strncmp(azArg[1],"lines",n2)==0) ){
      p->mode = MODE_Line;
    }else if( (n2==6 && strncmp(azArg[1],"column",n2)==0)
              ||
              (n2==7 && strncmp(azArg[1],"columns",n2)==0) ){
      p->mode = MODE_Column;
    }else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){
      p->mode = MODE_List;
    }else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){
      p->mode = MODE_Html;
    }else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){
      p->mode = MODE_Tcl;
      sqlite3_snprintf(sizeof(p->separator), p->separator, " ");
    }else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){
      p->mode = MODE_Csv;
      sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
    }else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){
      p->mode = MODE_List;
      sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
    }else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
      p->mode = MODE_Insert;
      set_table_name(p, "table");
    }else {
      fprintf(stderr,"Error: mode should be one of: "
         "column csv html insert line list tabs tcl\n");
      rc = 1;
    }
  }else

  if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){
    int n2 = strlen30(azArg[1]);
    if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
      p->mode = MODE_Insert;
      set_table_name(p, azArg[2]);
    }else {
      fprintf(stderr, "Error: invalid arguments: "
        " \"%s\". Enter \".help\" for help\n", azArg[2]);
      rc = 1;
    }
  }else

  if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) {
    sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
                     "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
  }else

  if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
    sqlite3 *savedDb = p->db;
    const char *zSavedFilename = p->zDbFilename;
    char *zNewFilename = 0;
    p->db = 0;
    if( nArg>=2 ){
      p->zDbFilename = zNewFilename = sqlite3_mprintf("%s", azArg[1]);
................................................................................
    }else{
      sqlite3_free(zNewFilename);
      p->db = savedDb;
      p->zDbFilename = zSavedFilename;
    }
  }else


  if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
    if( p->outfile[0]=='|' ){













      pclose(p->out);
    }else{
      output_file_close(p->out);

    }
    p->outfile[0] = 0;

    if( azArg[1][0]=='|' ){
      p->out = popen(&azArg[1][1], "w");
      if( p->out==0 ){
        fprintf(stderr,"Error: cannot open pipe \"%s\"\n", &azArg[1][1]);
        p->out = stdout;
        rc = 1;
      }else{
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
      }
    }else{
      p->out = output_file_open(azArg[1]);
      if( p->out==0 ){
        if( strcmp(azArg[1],"off")!=0 ){
          fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
        }
        p->out = stdout;
        rc = 1;
      } else {
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
      }
    }
  }else

  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
    int i;
    for(i=1; i<nArg; i++){
      if( i>1 ) fprintf(p->out, " ");
      fprintf(p->out, "%s", azArg[i]);
    }
    fprintf(p->out, "\n");
  }else

  if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
    if( nArg >= 2) {
      strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
    }
    if( nArg >= 3) {
      strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
    }
  }else

  if( c=='q' && strncmp(azArg[0], "quit", n)==0 && nArg==1 ){
    rc = 2;
  }else

  if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){






    FILE *alt = fopen(azArg[1], "rb");
    if( alt==0 ){
      fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
      rc = 1;
    }else{
      rc = process_input(p, alt);
      fclose(alt);
    }
  }else

  if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 && nArg>1 && nArg<4){
    const char *zSrcFile;
    const char *zDb;
    sqlite3 *pSrc;
    sqlite3_backup *pBackup;
    int nTimeout = 0;

    if( nArg==2 ){
      zSrcFile = azArg[1];
      zDb = "main";
    }else{
      zSrcFile = azArg[2];
      zDb = azArg[1];




    }
    rc = sqlite3_open(zSrcFile, &pSrc);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
      sqlite3_close(pSrc);
      return 1;
    }
................................................................................
    }else{
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
      rc = 1;
    }
    sqlite3_close(pSrc);
  }else

  if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_Semi;
    if( nArg>1 ){
      int i;
      for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
      if( strcmp(azArg[1],"sqlite_master")==0 ){
        char *new_argv[2], *new_colv[2];
        new_argv[0] = "CREATE TABLE sqlite_master (\n"
                      "  type text,\n"
                      "  name text,\n"
................................................................................
          "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
          "WHERE lower(tbl_name) LIKE shellstatic()"
          "  AND type!='meta' AND sql NOTNULL "
          "ORDER BY rowid",
          callback, &data, &zErrMsg);
        zShellStatic = 0;
      }
    }else{
      rc = sqlite3_exec(p->db,
         "SELECT sql FROM "
         "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
         "     FROM sqlite_master UNION ALL"
         "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
         "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
         "ORDER BY rowid",
         callback, &data, &zErrMsg
      );




    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }else if( rc != SQLITE_OK ){
      fprintf(stderr,"Error: querying schema information\n");
................................................................................
      }
    }
    if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
      int i; sqlite3_int64 v;
      for(i=1; i<nArg; i++){
        char zBuf[200];
        v = integerValue(azArg[i]);
        sqlite3_snprintf(sizeof(zBuf), zBuf, "%s: %lld 0x%llx\n", azArg[i], v, v);
        fprintf(p->out, "%s", zBuf);
      }
    }
  }else
#endif

  if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){

    sqlite3_snprintf(sizeof(p->separator), p->separator,
                     "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
  }else
























  if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){
    int i;





    fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","eqp", p->autoEQP ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
    fprintf(p->out,"%9.9s: %s\n","headers", p->showHeader ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","mode", modeDescr[p->mode]);
    fprintf(p->out,"%9.9s: ", "nullvalue");
      output_c_string(p->out, p->nullvalue);
................................................................................
    fprintf(p->out,"%9.9s: ","width");
    for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
      fprintf(p->out,"%d ",p->colWidth[i]);
    }
    fprintf(p->out,"\n");
  }else

  if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){

    p->statsOn = booleanValue(azArg[1]);
  }else





  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
    sqlite3_stmt *pStmt;
    char **azResult;
    int nRow, nAlloc;
    char *zSql = 0;
    int ii;
    open_db(p, 0);
    rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
................................................................................
          fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
                  azArg[1]);
          break;
      }
    }
  }else

  if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
    open_db(p, 0);
    sqlite3_busy_timeout(p->db, (int)integerValue(azArg[1]));
  }else
    
  if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0
   && nArg==2
  ){
    enableTimer = booleanValue(azArg[1]);




  }else


  


  if( c=='t' && strncmp(azArg[0], "trace", n)==0 && nArg>1 ){
    open_db(p, 0);
    output_file_close(p->traceOut);





    p->traceOut = output_file_open(azArg[1]);
#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
    if( p->traceOut==0 ){
      sqlite3_trace(p->db, 0, 0);
    }else{
      sqlite3_trace(p->db, sql_trace_callback, p->traceOut);
    }
................................................................................
      }
    }
  }else

#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
  if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
    extern int sqlite3WhereTrace;
    sqlite3WhereTrace = booleanValue(azArg[1]);
  }else
#endif

  if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){
    int j;
    assert( nArg<=ArraySize(azArg) );
    for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
      p->colWidth[j-1] = (int)integerValue(azArg[j]);
    }
  }else

  {
    fprintf(stderr, "Error: unknown command or invalid arguments: "
      " \"%s\". Enter \".help\" for help\n", azArg[0]);
    rc = 1;
  }






  return rc;
}

/*
** Return TRUE if a semicolon occurs anywhere in the first N characters
** of string z[].
*/
................................................................................
          zErrMsg = 0;
        }else{
          fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
        }
        errCnt++;
      }
      nSql = 0;




    }else if( nSql && _all_whitespace(zSql) ){
      if( p->echoOn ) printf("%s\n", zSql);
      nSql = 0;
    }
  }
  if( nSql ){
    if( !_all_whitespace(zSql) ){







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** An pointer to an instance of this structure is passed from
** the main program to the callback.  This is used to communicate
** state and mode information.
*/
struct callback_data {
  sqlite3 *db;           /* The database */
  int echoOn;            /* True to echo input commands */
  int autoEQP;           /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
  int statsOn;           /* True to display memory stats before each finalize */
  int outCount;          /* Revert to stdout when reaching zero */
  int cnt;               /* Number of records displayed so far */
  FILE *out;             /* Write results here */
  FILE *traceOut;        /* Output for sqlite3_trace() */
  int nErr;              /* Number of errors seen */
  int mode;              /* An output mode setting */
  int writableSchema;    /* True if PRAGMA writable_schema=ON */
  int showHeader;        /* True to show column names in List or Column mode */
................................................................................
      for(i=0; i<nArg; i++){
        char *zSep = i>0 ? ",": "";
        if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
          fprintf(p->out,"%sNULL",zSep);
        }else if( aiType && aiType[i]==SQLITE_TEXT ){
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_quoted_string(p->out, azArg[i]);
        }else if( aiType && (aiType[i]==SQLITE_INTEGER
                             || aiType[i]==SQLITE_FLOAT) ){
          fprintf(p->out,"%s%s",zSep, azArg[i]);
        }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
          const void *pBlob = sqlite3_column_blob(p->pStmt, i);
          int nBlob = sqlite3_column_bytes(p->pStmt, i);
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_hex_blob(p->out, pBlob, nBlob);
        }else if( isNumber(azArg[i], 0) ){
................................................................................
  const char *z;                  /* Used to check if this is an EXPLAIN */
  int *abYield = 0;               /* True if op is an OP_Yield */
  int nAlloc = 0;                 /* Allocated size of p->aiIndent[], abYield */
  int iOp;                        /* Index of operation in p->aiIndent[] */

  const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext",
                           "NextIfOpen", "PrevIfOpen", 0 };
  const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead", "Rewind", 0 };
  const char *azGoto[] = { "Goto", 0 };

  /* Try to figure out if this is really an EXPLAIN statement. If this
  ** cannot be verified, return early.  */
  zSql = sqlite3_sql(pSql);
  if( zSql==0 ) return;
  for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++);
................................................................................
}

/*
** Text of a help message
*/
static char zHelp[] =
  ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
  ".bail on|off           Stop after hitting an error.  Default OFF\n"
  ".clone NEWDB           Clone data into NEWDB from the existing database\n"
  ".databases             List names and files of attached databases\n"
  ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
  "                         If TABLE specified, only dump tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".echo on|off           Turn command echo on or off\n"
  ".exit                  Exit this program\n"
  ".explain ?on|off?      Turn output mode suitable for EXPLAIN on or off.\n"
  "                         With no args, it turns EXPLAIN on.\n"
  ".headers on|off        Turn display of headers on or off\n"
  ".help                  Show this message\n"
  ".import FILE TABLE     Import data from FILE into TABLE\n"
  ".indices ?TABLE?       Show names of all indices\n"
  "                         If TABLE specified, only show indices for tables\n"
  "                         matching LIKE pattern TABLE.\n"
#ifdef SQLITE_ENABLE_IOTRACE
  ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
................................................................................
  "                         html     HTML <table> code\n"
  "                         insert   SQL insert statements for TABLE\n"
  "                         line     One value per line\n"
  "                         list     Values delimited by .separator string\n"
  "                         tabs     Tab-separated values\n"
  "                         tcl      TCL list elements\n"
  ".nullvalue STRING      Use STRING in place of NULL values\n"
  ".once FILENAME         Output for the next SQL command only to FILENAME\n"
  ".open ?FILENAME?       Close existing database and reopen FILENAME\n"
  ".output ?FILENAME?     Send output to FILENAME or stdout\n"
  ".print STRING...       Print literal STRING\n"
  ".prompt MAIN CONTINUE  Replace the standard prompts\n"
  ".quit                  Exit this program\n"
  ".read FILENAME         Execute SQL in FILENAME\n"
  ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
  ".save FILE             Write in-memory database into FILE\n"
  ".schema ?TABLE?        Show the CREATE statements\n"
  "                         If TABLE specified, only show tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".separator STRING      Change separator used by output mode and .import\n"
  ".shell CMD ARGS...     Run CMD ARGS... in a system shell\n"
  ".show                  Show the current values for various settings\n"
  ".stats on|off          Turn stats on or off\n"
  ".system CMD ARGS...    Run CMD ARGS... in a system shell\n"
  ".tables ?TABLE?        List names of tables\n"
  "                         If TABLE specified, only list tables matching\n"
  "                         LIKE pattern TABLE.\n"
  ".timeout MS            Try opening locked tables for MS milliseconds\n"
  ".timer on|off          Turn SQL timer on or off\n"
  ".trace FILE|off        Output each SQL statement as it is run\n"
  ".vfsname ?AUX?         Print the name of the VFS stack\n"
  ".width NUM1 NUM2 ...   Set column widths for \"column\" mode\n"




  "                         Negative values right-justify\n"
;

/* Forward reference */
static int process_input(struct callback_data *p, FILE *in);

/*
** Make sure the database is open.  If it is not, then open it.  If
................................................................................
**    \"    -> "
**    \NNN  -> ascii character NNN in octal
**    \\    -> backslash
*/
static void resolve_backslashes(char *z){
  int i, j;
  char c;
  while( *z && *z!='\\' ) z++;
  for(i=j=0; (c = z[i])!=0; i++, j++){
    if( c=='\\' ){
      c = z[++i];
      if( c=='n' ){
        c = '\n';
      }else if( c=='t' ){
        c = '\t';
................................................................................
            c = (c<<3) + z[i] - '0';
          }
        }
      }
    }
    z[j] = c;
  }
  if( j<i ) z[j] = 0;
}

/*
** Return the value of a hexadecimal digit.  Return -1 if the input
** is not a hex digit.
*/
static int hexDigitValue(char c){
................................................................................
    tryToCloneSchema(p, newDb, "type='table'", tryToCloneData);
    tryToCloneSchema(p, newDb, "type!='table'", 0);
    sqlite3_exec(newDb, "COMMIT;", 0, 0, 0);
    sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
  }
  sqlite3_close(newDb);
}

/*
** Change the output file back to stdout
*/
static void output_reset(struct callback_data *p){
  if( p->outfile[0]=='|' ){
    pclose(p->out);
  }else{
    output_file_close(p->out);
  }
  p->outfile[0] = 0;
  p->out = stdout;
}

/*
** If an input line begins with "." then invoke this routine to
** process that line.
**
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
................................................................................
    }else{
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
      rc = 1;
    }
    sqlite3_close(pDest);
  }else

  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){
    if( nArg==2 ){
      bail_on_error = booleanValue(azArg[1]);
    }else{
      fprintf(stderr, "Usage: .bail on|off\n");
      rc = 1;
    }
  }else

  /* The undocumented ".breakpoint" command causes a call to the no-op
  ** routine named test_breakpoint().
  */
  if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){
    test_breakpoint();
  }else

  if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){
    if( nArg==2 ){
      tryToClone(p, azArg[1]);
    }else{
      fprintf(stderr, "Usage: .clone FILENAME\n");
      rc = 1;
    }
  }else

  if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 1;
    data.mode = MODE_Column;
    data.colWidth[0] = 3;
................................................................................
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else

  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
    open_db(p, 0);
    /* When playing back a "dump", the content might appear in an order
    ** which causes immediate foreign key constraints to be violated.
    ** So disable foreign-key constraint enforcement to prevent problems. */
    if( nArg!=1 && nArg!=2 ){
      fprintf(stderr, "Usage: .dump ?LIKE-PATTERN?\n");
      rc = 1;
      goto meta_command_exit;
    }
    fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
    fprintf(p->out, "BEGIN TRANSACTION;\n");
    p->writableSchema = 0;
    sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
    p->nErr = 0;
    if( nArg==1 ){
      run_schema_dump_query(p, 
................................................................................
      p->writableSchema = 0;
    }
    sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
    sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0);
    fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
  }else

  if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){
    if( nArg==2 ){
      p->echoOn = booleanValue(azArg[1]);
    }else{
      fprintf(stderr, "Usage: .echo on|off\n");
      rc = 1;
    }
  }else

  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
    if( nArg==2 ){
      p->autoEQP = booleanValue(azArg[1]);
    }else{
      fprintf(stderr, "Usage: .eqp on|off\n");
      rc = 1;
    }   
  }else

  if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
    if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
    rc = 2;
  }else

  if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){
    int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
    if(val == 1) {
      if(!p->explainPrev.valid) {
        p->explainPrev.valid = 1;
        p->explainPrev.mode = p->mode;
        p->explainPrev.showHeader = p->showHeader;
        memcpy(p->explainPrev.colWidth,p->colWidth,sizeof(p->colWidth));
................................................................................
      p->explainPrev.valid = 0;
      p->mode = p->explainPrev.mode;
      p->showHeader = p->explainPrev.showHeader;
      memcpy(p->colWidth,p->explainPrev.colWidth,sizeof(p->colWidth));
    }
  }else

  if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
    if( nArg==2 ){
      p->showHeader = booleanValue(azArg[1]);
    }else{
      fprintf(stderr, "Usage: .headers on|off\n");
      rc = 1;
    }
  }else

  if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
    fprintf(p->out, "%s", zHelp);



  }else

  if( c=='i' && strncmp(azArg[0], "import", n)==0 ){
    char *zTable = azArg[2];    /* Insert data into this table */
    char *zFile = azArg[1];     /* Name of file to extra content from */
    sqlite3_stmt *pStmt = NULL; /* A statement */
    int nCol;                   /* Number of columns in the table */
    int nByte;                  /* Number of bytes in an SQL string */
    int i, j;                   /* Loop counters */
    int needCommit;             /* True to COMMIT or ROLLBACK at end */
    int nSep;                   /* Number of bytes in p->separator[] */
    char *zSql;                 /* An SQL statement */
    CSVReader sCsv;             /* Reader context */
    int (*xCloser)(FILE*);      /* Procedure to close th3 connection */

    if( nArg!=3 ){
      fprintf(stderr, "Usage: .import FILE TABLE\n");
      goto meta_command_exit;
    }
    seenInterrupt = 0;
    memset(&sCsv, 0, sizeof(sCsv));
    open_db(p, 0);
    nSep = strlen30(p->separator);
    if( nSep==0 ){
      fprintf(stderr, "Error: non-null separator required for import\n");
      return 1;
................................................................................

    xCloser(sCsv.in);
    sqlite3_free(sCsv.z);
    sqlite3_finalize(pStmt);
    if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
  }else

  if( c=='i' && strncmp(azArg[0], "indices", n)==0 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_List;
    if( nArg==1 ){
................................................................................
        "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
    }else if( nArg==2 ){
      zShellStatic = azArg[1];
      rc = sqlite3_exec(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type='index' AND tbl_name LIKE shellstatic() "
        "ORDER BY 1",
        callback, &data, &zErrMsg
      );
      zShellStatic = 0;
    }else{
      fprintf(stderr, "Usage: .indices ?LIKE-PATTERN?\n");
      rc = 1;
      goto meta_command_exit;
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }else if( rc != SQLITE_OK ){
      fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
................................................................................
        sqlite3IoTrace = iotracePrintf;
      }
    }
  }else
#endif

#ifndef SQLITE_OMIT_LOAD_EXTENSION
  if( c=='l' && strncmp(azArg[0], "load", n)==0 ){
    const char *zFile, *zProc;
    char *zErrMsg = 0;
    if( nArg<2 ){
      fprintf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n");
      rc = 1;
      goto meta_command_exit;
    }
    zFile = azArg[1];
    zProc = nArg>=3 ? azArg[2] : 0;
    open_db(p, 0);
    rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }
  }else
#endif

  if( c=='l' && strncmp(azArg[0], "log", n)==0 ){
    if( nArg!=2 ){
      fprintf(stderr, "Usage: .log FILENAME\n");
      rc = 1;
    }else{
      const char *zFile = azArg[1];
      output_file_close(p->pLog);
      p->pLog = output_file_open(zFile);
    }
  }else

  if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){



    const char *zMode = nArg>=2 ? azArg[1] : "";
    int n2 = (int)strlen(zMode);
    int c2 = zMode[0];
    if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
      p->mode = MODE_Line;


    }else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
      p->mode = MODE_Column;
    }else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
      p->mode = MODE_List;
    }else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
      p->mode = MODE_Html;
    }else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
      p->mode = MODE_Tcl;
      sqlite3_snprintf(sizeof(p->separator), p->separator, " ");
    }else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
      p->mode = MODE_Csv;
      sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
    }else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
      p->mode = MODE_List;
      sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
    }else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
      p->mode = MODE_Insert;
      set_table_name(p, nArg>=3 ? azArg[2] : "table");
    }else {
      fprintf(stderr,"Error: mode should be one of: "
         "column csv html insert line list tabs tcl\n");
      rc = 1;
    }
  }else

  if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){
    if( nArg==2 ){
      sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
                       "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);

    }else{
      fprintf(stderr, "Usage: .nullvalue STRING\n");

      rc = 1;
    }
  }else






  if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
    sqlite3 *savedDb = p->db;
    const char *zSavedFilename = p->zDbFilename;
    char *zNewFilename = 0;
    p->db = 0;
    if( nArg>=2 ){
      p->zDbFilename = zNewFilename = sqlite3_mprintf("%s", azArg[1]);
................................................................................
    }else{
      sqlite3_free(zNewFilename);
      p->db = savedDb;
      p->zDbFilename = zSavedFilename;
    }
  }else

  if( c=='o'
   && (strncmp(azArg[0], "output", n)==0 || strncmp(azArg[0], "once", n)==0)

  ){
    const char *zFile = nArg>=2 ? azArg[1] : "stdout";
    if( nArg>2 ){
      fprintf(stderr, "Usage: .%s FILE\n", azArg[0]);
      rc = 1;
      goto meta_command_exit;
    }
    if( n>1 && strncmp(azArg[0], "once", n)==0 ){
      if( nArg<2 ){
        fprintf(stderr, "Usage: .once FILE\n");
        rc = 1;
        goto meta_command_exit;
      }
      p->outCount = 2;
    }else{

      p->outCount = 0;
    }

    output_reset(p);
    if( zFile[0]=='|' ){
      p->out = popen(zFile + 1, "w");
      if( p->out==0 ){
        fprintf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
        p->out = stdout;
        rc = 1;
      }else{
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
      }
    }else{
      p->out = output_file_open(zFile);
      if( p->out==0 ){
        if( strcmp(zFile,"off")!=0 ){
          fprintf(stderr,"Error: cannot write to \"%s\"\n", zFile);
        }
        p->out = stdout;
        rc = 1;
      } else {
        sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
      }
    }
  }else

  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
    int i;
    for(i=1; i<nArg; i++){
      if( i>1 ) fprintf(p->out, " ");
      fprintf(p->out, "%s", azArg[i]);
    }
    fprintf(p->out, "\n");
  }else

  if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
    if( nArg >= 2) {
      strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
    }
    if( nArg >= 3) {
      strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
    }
  }else

  if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){
    rc = 2;
  }else

  if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){
    FILE *alt;
    if( nArg!=2 ){
      fprintf(stderr, "Usage: .read FILE\n");
      rc = 1;
      goto meta_command_exit;
    }
    alt = fopen(azArg[1], "rb");
    if( alt==0 ){
      fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
      rc = 1;
    }else{
      rc = process_input(p, alt);
      fclose(alt);
    }
  }else

  if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){
    const char *zSrcFile;
    const char *zDb;
    sqlite3 *pSrc;
    sqlite3_backup *pBackup;
    int nTimeout = 0;

    if( nArg==2 ){
      zSrcFile = azArg[1];
      zDb = "main";
    }else if( nArg==3 ){
      zSrcFile = azArg[2];
      zDb = azArg[1];
    }else{
      fprintf(stderr, "Usage: .restore ?DB? FILE\n");
      rc = 1;
      goto meta_command_exit;
    }
    rc = sqlite3_open(zSrcFile, &pSrc);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
      sqlite3_close(pSrc);
      return 1;
    }
................................................................................
    }else{
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
      rc = 1;
    }
    sqlite3_close(pSrc);
  }else

  if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){
    struct callback_data data;
    char *zErrMsg = 0;
    open_db(p, 0);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_Semi;
    if( nArg==2 ){
      int i;
      for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
      if( strcmp(azArg[1],"sqlite_master")==0 ){
        char *new_argv[2], *new_colv[2];
        new_argv[0] = "CREATE TABLE sqlite_master (\n"
                      "  type text,\n"
                      "  name text,\n"
................................................................................
          "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
          "WHERE lower(tbl_name) LIKE shellstatic()"
          "  AND type!='meta' AND sql NOTNULL "
          "ORDER BY rowid",
          callback, &data, &zErrMsg);
        zShellStatic = 0;
      }
    }else if( nArg==1 ){
      rc = sqlite3_exec(p->db,
         "SELECT sql FROM "
         "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
         "     FROM sqlite_master UNION ALL"
         "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
         "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
         "ORDER BY rowid",
         callback, &data, &zErrMsg
      );
    }else{
      fprintf(stderr, "Usage: .schema ?LIKE-PATTERN?\n");
      rc = 1;
      goto meta_command_exit;
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
      rc = 1;
    }else if( rc != SQLITE_OK ){
      fprintf(stderr,"Error: querying schema information\n");
................................................................................
      }
    }
    if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
      int i; sqlite3_int64 v;
      for(i=1; i<nArg; i++){
        char zBuf[200];
        v = integerValue(azArg[i]);
        sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
        fprintf(p->out, "%s", zBuf);
      }
    }
  }else
#endif

  if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
    if( nArg==2 ){
      sqlite3_snprintf(sizeof(p->separator), p->separator,
                       "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
    }else{
      fprintf(stderr, "Usage: .separator STRING\n");
      rc = 1;
    }
  }else

  if( c=='s'
   && (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0)
  ){
    char *zCmd;
    int i;
    if( nArg<2 ){
      fprintf(stderr, "Usage: .system COMMAND\n");
      rc = 1;
      goto meta_command_exit;
    }
    zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]);
    for(i=2; i<nArg; i++){
      zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"",
                             zCmd, azArg[i]);
    }
    system(zCmd);
    sqlite3_free(zCmd);
  }else

  if( c=='s' && strncmp(azArg[0], "show", n)==0 ){
    int i;
    if( nArg!=1 ){
      fprintf(stderr, "Usage: .show\n");
      rc = 1;
      goto meta_command_exit;
    }
    fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","eqp", p->autoEQP ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
    fprintf(p->out,"%9.9s: %s\n","headers", p->showHeader ? "on" : "off");
    fprintf(p->out,"%9.9s: %s\n","mode", modeDescr[p->mode]);
    fprintf(p->out,"%9.9s: ", "nullvalue");
      output_c_string(p->out, p->nullvalue);
................................................................................
    fprintf(p->out,"%9.9s: ","width");
    for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
      fprintf(p->out,"%d ",p->colWidth[i]);
    }
    fprintf(p->out,"\n");
  }else

  if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){
    if( nArg==2 ){
      p->statsOn = booleanValue(azArg[1]);
    }else{
      fprintf(stderr, "Usage: .stats on|off\n");
      rc = 1;
    }
  }else

  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
    sqlite3_stmt *pStmt;
    char **azResult;
    int nRow, nAlloc;
    char *zSql = 0;
    int ii;
    open_db(p, 0);
    rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
................................................................................
          fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
                  azArg[1]);
          break;
      }
    }
  }else

  if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){
    open_db(p, 0);
    sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0);
  }else
    
  if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){
    if( nArg==2 ){

      enableTimer = booleanValue(azArg[1]);
      if( enableTimer && !HAS_TIMER ){
        fprintf(stderr, "Error: timer not available on this system.\n");
        enableTimer = 0;
      }
    }else{
      fprintf(stderr, "Usage: .timer on|off\n");
      rc = 1;
    }
  }else
  
  if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){
    open_db(p, 0);
    output_file_close(p->traceOut);
    if( nArg!=2 ){
      fprintf(stderr, "Usage: .trace FILE|off\n");
      rc = 1;
      goto meta_command_exit;
    }
    p->traceOut = output_file_open(azArg[1]);
#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
    if( p->traceOut==0 ){
      sqlite3_trace(p->db, 0, 0);
    }else{
      sqlite3_trace(p->db, sql_trace_callback, p->traceOut);
    }
................................................................................
      }
    }
  }else

#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
  if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
    extern int sqlite3WhereTrace;
    sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
  }else
#endif

  if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
    int j;
    assert( nArg<=ArraySize(azArg) );
    for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
      p->colWidth[j-1] = (int)integerValue(azArg[j]);
    }
  }else

  {
    fprintf(stderr, "Error: unknown command or invalid arguments: "
      " \"%s\". Enter \".help\" for help\n", azArg[0]);
    rc = 1;
  }

meta_command_exit:
  if( p->outCount ){
    p->outCount--;
    if( p->outCount==0 ) output_reset(p);
  }
  return rc;
}

/*
** Return TRUE if a semicolon occurs anywhere in the first N characters
** of string z[].
*/
................................................................................
          zErrMsg = 0;
        }else{
          fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
        }
        errCnt++;
      }
      nSql = 0;
      if( p->outCount ){
        output_reset(p);
        p->outCount = 0;
      }
    }else if( nSql && _all_whitespace(zSql) ){
      if( p->echoOn ) printf("%s\n", zSql);
      nSql = 0;
    }
  }
  if( nSql ){
    if( !_all_whitespace(zSql) ){

Changes to src/sqliteInt.h.

1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719










1720
1721
1722
1723
1724
1725
1726
  Expr *pPartIdxWhere;     /* WHERE clause for partial indices */
  KeyInfo *pKeyInfo;       /* A KeyInfo object suitable for this index */
  int tnum;                /* DB Page containing root of this index */
  LogEst szIdxRow;         /* Estimated average row size in bytes */
  u16 nKeyCol;             /* Number of columns forming the key */
  u16 nColumn;             /* Number of columns stored in the index */
  u8 onError;              /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
  unsigned autoIndex:2;    /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */
  unsigned bUnordered:1;   /* Use this index for == or IN queries only */
  unsigned uniqNotNull:1;  /* True if UNIQUE and NOT NULL for all columns */
  unsigned isResized:1;    /* True if resizeIndexObject() has been called */
  unsigned isCovering:1;   /* True if this is a covering index */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int nSample;             /* Number of elements in aSample[] */
  int nSampleCol;          /* Size of IndexSample.anEq[] and so on */
  tRowcnt *aAvgEq;         /* Average nEq values for keys not in aSample */
  IndexSample *aSample;    /* Samples of the left-most key */
#endif
};











/*
** Each sample stored in the sqlite_stat3 table is represented in memory 
** using a structure of this type.  See documentation at the top of the
** analyze.c source file for additional information.
*/
struct IndexSample {
  void *p;          /* Pointer to sampled record */







|












>
>
>
>
>
>
>
>
>
>







1700
1701
1702
1703
1704
1705
1706
1707
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1713
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1734
1735
1736
  Expr *pPartIdxWhere;     /* WHERE clause for partial indices */
  KeyInfo *pKeyInfo;       /* A KeyInfo object suitable for this index */
  int tnum;                /* DB Page containing root of this index */
  LogEst szIdxRow;         /* Estimated average row size in bytes */
  u16 nKeyCol;             /* Number of columns forming the key */
  u16 nColumn;             /* Number of columns stored in the index */
  u8 onError;              /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */
  unsigned idxType:2;      /* 1==UNIQUE, 2==PRIMARY KEY, 0==CREATE INDEX */
  unsigned bUnordered:1;   /* Use this index for == or IN queries only */
  unsigned uniqNotNull:1;  /* True if UNIQUE and NOT NULL for all columns */
  unsigned isResized:1;    /* True if resizeIndexObject() has been called */
  unsigned isCovering:1;   /* True if this is a covering index */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int nSample;             /* Number of elements in aSample[] */
  int nSampleCol;          /* Size of IndexSample.anEq[] and so on */
  tRowcnt *aAvgEq;         /* Average nEq values for keys not in aSample */
  IndexSample *aSample;    /* Samples of the left-most key */
#endif
};

/*
** Allowed values for Index.idxType
*/
#define SQLITE_IDXTYPE_APPDEF      0   /* Created using CREATE INDEX */
#define SQLITE_IDXTYPE_UNIQUE      1   /* Implements a UNIQUE constraint */
#define SQLITE_IDXTYPE_PRIMARYKEY  2   /* Is the PRIMARY KEY for the table */

/* Return true if index X is a PRIMARY KEY index */
#define IsPrimaryKeyIndex(X)  ((X)->idxType==SQLITE_IDXTYPE_PRIMARYKEY)

/*
** Each sample stored in the sqlite_stat3 table is represented in memory 
** using a structure of this type.  See documentation at the top of the
** analyze.c source file for additional information.
*/
struct IndexSample {
  void *p;          /* Pointer to sampled record */

Changes to src/update.c.

183
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187
188
189
190
191
192
193
194
195
196
197
  ** need to occur right after the database cursor.  So go ahead and
  ** allocate enough space, just in case.
  */
  pTabList->a[0].iCursor = iBaseCur = iDataCur = pParse->nTab++;
  iIdxCur = iDataCur+1;
  pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
  for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){
    if( pIdx->autoIndex==2 && pPk!=0 ){
      iDataCur = pParse->nTab;
      pTabList->a[0].iCursor = iDataCur;
    }
    pParse->nTab++;
  }

  /* Allocate space for aXRef[], aRegIdx[], and aToOpen[].  







|







183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
  ** need to occur right after the database cursor.  So go ahead and
  ** allocate enough space, just in case.
  */
  pTabList->a[0].iCursor = iBaseCur = iDataCur = pParse->nTab++;
  iIdxCur = iDataCur+1;
  pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
  for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){
    if( IsPrimaryKeyIndex(pIdx) && pPk!=0 ){
      iDataCur = pParse->nTab;
      pTabList->a[0].iCursor = iDataCur;
    }
    pParse->nTab++;
  }

  /* Allocate space for aXRef[], aRegIdx[], and aToOpen[].  

Changes to src/vdbe.c.

6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
    sqlite3DbFree(db, z);
  }
#ifdef SQLITE_USE_FCNTL_TRACE
  zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql);
  if( zTrace ){
    int i;
    for(i=0; i<db->nDb; i++){
      if( MASKBIT(i) & p->btreeMask)==0 ) continue;
      sqlite3_file_control(db, db->aDb[i].zName, SQLITE_FCNTL_TRACE, zTrace);
    }
  }
#endif /* SQLITE_USE_FCNTL_TRACE */
#ifdef SQLITE_DEBUG
  if( (db->flags & SQLITE_SqlTrace)!=0
   && (zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql))!=0







|







6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
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6291
    sqlite3DbFree(db, z);
  }
#ifdef SQLITE_USE_FCNTL_TRACE
  zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql);
  if( zTrace ){
    int i;
    for(i=0; i<db->nDb; i++){
      if( (MASKBIT(i) & p->btreeMask)==0 ) continue;
      sqlite3_file_control(db, db->aDb[i].zName, SQLITE_FCNTL_TRACE, zTrace);
    }
  }
#endif /* SQLITE_USE_FCNTL_TRACE */
#ifdef SQLITE_DEBUG
  if( (db->flags & SQLITE_SqlTrace)!=0
   && (zTrace = (pOp->p4.z ? pOp->p4.z : p->zSql))!=0

Changes to src/vdbesort.c.

346
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348
349
350
351
352
353
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355
356
357
358
359
360
      int nRead = nBuf - iBuf;
      if( (iStart + nRead) > pSorter->iWriteOff ){
        nRead = (int)(pSorter->iWriteOff - iStart);
      }
      rc = sqlite3OsRead(
          pSorter->pTemp1, &pIter->aBuffer[iBuf], nRead, iStart
      );
      assert( rc!=SQLITE_IOERR_SHORT_READ );
    }

    if( rc==SQLITE_OK ){
      u64 nByte;                       /* Size of PMA in bytes */
      pIter->iEof = pSorter->iWriteOff;
      rc = vdbeSorterIterVarint(db, pIter, &nByte);
      pIter->iEof = pIter->iReadOff + nByte;







<







346
347
348
349
350
351
352

353
354
355
356
357
358
359
      int nRead = nBuf - iBuf;
      if( (iStart + nRead) > pSorter->iWriteOff ){
        nRead = (int)(pSorter->iWriteOff - iStart);
      }
      rc = sqlite3OsRead(
          pSorter->pTemp1, &pIter->aBuffer[iBuf], nRead, iStart
      );

    }

    if( rc==SQLITE_OK ){
      u64 nByte;                       /* Size of PMA in bytes */
      pIter->iEof = pSorter->iWriteOff;
      rc = vdbeSorterIterVarint(db, pIter, &nByte);
      pIter->iEof = pIter->iReadOff + nByte;

Changes to src/where.c.

2718
2719
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2725
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2727
2728
2729
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2731
2732
....
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3231
3232
3233
....
3289
3290
3291
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3294
3295




3296
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3301
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....
3303
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3306
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3308
3309

3310
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....
3335
3336
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3343
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3353
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3356
3357
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3361
3362
....
3384
3385
3386
3387
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3390




3391
3392
3393
3394
3395

3396
3397
3398
3399
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3401
3402
....
3403
3404
3405
3406
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3408
3409





3410

3411







3412





3413
3414














3415
3416
3417
3418












3419




3420
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3423
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3425
3426
....
3437
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3443

3444
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3446
3447
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....
4762
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4771
4772
4773
4774
4775
4776
....
6011
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6015
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6017







6018
6019
6020
6021
6022
6023
6024
6025
....
6029
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6031
6032
6033
6034
6035

6036
6037
6038

6039
6040
6041
6042
6043
6044
6045
    if( (flags & (WHERE_IPK|WHERE_VIRTUALTABLE))==0
     && ALWAYS(pLoop->u.btree.pIndex!=0)
    ){
      const char *zFmt;
      Index *pIdx = pLoop->u.btree.pIndex;
      char *zWhere = explainIndexRange(db, pLoop, pItem->pTab);
      assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
      if( !HasRowid(pItem->pTab) && pIdx->autoIndex==2 ){
        zFmt = zWhere ? "%s USING PRIMARY KEY%.0s%s" : "%s%.0s%s";
      }else if( flags & WHERE_AUTO_INDEX ){
        zFmt = "%s USING AUTOMATIC COVERING INDEX%.0s%s";
      }else if( flags & WHERE_IDX_ONLY ){
        zFmt = "%s USING COVERING INDEX %s%s";
      }else{
        zFmt = "%s USING INDEX %s%s";
................................................................................
    if( omitTable ){
      /* pIdx is a covering index.  No need to access the main table. */
    }else if( HasRowid(pIdx->pTable) ){
      iRowidReg = ++pParse->nMem;
      sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, iRowidReg);
      sqlite3ExprCacheStore(pParse, iCur, -1, iRowidReg);
      sqlite3VdbeAddOp2(v, OP_Seek, iCur, iRowidReg);  /* Deferred seek */
    }else{
      Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable);
      iRowidReg = sqlite3GetTempRange(pParse, pPk->nKeyCol);
      for(j=0; j<pPk->nKeyCol; j++){
        k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[j]);
        sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, iRowidReg+j);
      }
      sqlite3VdbeAddOp4Int(v, OP_NotFound, iCur, addrCont,
................................................................................
    **
    **       A: <loop body>                 # Return data, whatever.
    **
    **          Return     2                # Jump back to the Gosub
    **
    **       B: <after the loop>
    **




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

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

   
    pTerm = pLoop->aLTerm[0];
    assert( pTerm!=0 );
    assert( pTerm->eOperator & WO_OR );
    assert( (pTerm->wtFlags & TERM_ORINFO)!=0 );
    pOrWc = &pTerm->u.pOrInfo->wc;
    pLevel->op = OP_Return;
................................................................................
        memcpy(&pOrTab->a[k], &origSrc[pLevel[k].iFrom], sizeof(pOrTab->a[k]));
      }
    }else{
      pOrTab = pWInfo->pTabList;
    }

    /* Initialize the rowset register to contain NULL. An SQL NULL is 
    ** equivalent to an empty rowset.

    **
    ** Also initialize regReturn to contain the address of the instruction 
    ** immediately following the OP_Return at the bottom of the loop. This
    ** is required in a few obscure LEFT JOIN cases where control jumps
    ** over the top of the loop into the body of it. In this case the 
    ** correct response for the end-of-loop code (the OP_Return) is to 
    ** fall through to the next instruction, just as an OP_Next does if
    ** called on an uninitialized cursor.
    */
    if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){

      regRowset = ++pParse->nMem;
      regRowid = ++pParse->nMem;
      sqlite3VdbeAddOp2(v, OP_Null, 0, regRowset);







    }
    iRetInit = sqlite3VdbeAddOp2(v, OP_Integer, 0, regReturn);

    /* If the original WHERE clause is z of the form:  (x1 OR x2 OR ...) AND y
    ** Then for every term xN, evaluate as the subexpression: xN AND z
    ** That way, terms in y that are factored into the disjunction will
    ** be picked up by the recursive calls to sqlite3WhereBegin() below.
................................................................................
        pAndExpr = sqlite3ExprAnd(db, pAndExpr, pExpr);
      }
      if( pAndExpr ){
        pAndExpr = sqlite3PExpr(pParse, TK_AND, 0, pAndExpr, 0);
      }
    }





    for(ii=0; ii<pOrWc->nTerm; ii++){
      WhereTerm *pOrTerm = &pOrWc->a[ii];
      if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
        WhereInfo *pSubWInfo;          /* Info for single OR-term scan */
        Expr *pOrExpr = pOrTerm->pExpr;

        if( pAndExpr && !ExprHasProperty(pOrExpr, EP_FromJoin) ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
                        WHERE_OMIT_OPEN_CLOSE | WHERE_AND_ONLY |
................................................................................
                        WHERE_FORCE_TABLE | WHERE_ONETABLE_ONLY, iCovCur);
        assert( pSubWInfo || pParse->nErr || db->mallocFailed );
        if( pSubWInfo ){
          WhereLoop *pSubLoop;
          explainOneScan(
              pParse, pOrTab, &pSubWInfo->a[0], iLevel, pLevel->iFrom, 0
          );





          if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){

            int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);







            int r;





            r = sqlite3ExprCodeGetColumn(pParse, pTabItem->pTab, -1, iCur, 
                                         regRowid, 0);














            sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset,
                                 sqlite3VdbeCurrentAddr(v)+2, r, iSet);
            VdbeCoverage(v);
          }












          sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);





          /* The pSubWInfo->untestedTerms flag means that this OR term
          ** contained one or more AND term from a notReady table.  The
          ** terms from the notReady table could not be tested and will
          ** need to be tested later.
          */
          if( pSubWInfo->untestedTerms ) untestedTerms = 1;
................................................................................
          ** pCov to NULL to indicate that no candidate covering index will 
          ** be available.
          */
          pSubLoop = pSubWInfo->a[0].pWLoop;
          assert( (pSubLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
          if( (pSubLoop->wsFlags & WHERE_INDEXED)!=0
           && (ii==0 || pSubLoop->u.btree.pIndex==pCov)

          ){
            assert( pSubWInfo->a[0].iIdxCur==iCovCur );
            pCov = pSubLoop->u.btree.pIndex;
          }else{
            pCov = 0;
          }

................................................................................
  
  pWC = pBuilder->pWC;
  if( pWInfo->wctrlFlags & WHERE_AND_ONLY ) return SQLITE_OK;
  pWCEnd = pWC->a + pWC->nTerm;
  pNew = pBuilder->pNew;
  memset(&sSum, 0, sizeof(sSum));
  pItem = pWInfo->pTabList->a + pNew->iTab;
  if( !HasRowid(pItem->pTab) ) return SQLITE_OK;
  iCur = pItem->iCursor;

  for(pTerm=pWC->a; pTerm<pWCEnd && rc==SQLITE_OK; pTerm++){
    if( (pTerm->eOperator & WO_OR)!=0
     && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 
    ){
      WhereClause * const pOrWC = &pTerm->u.pOrInfo->wc;
................................................................................
    }
    if( pLoop->wsFlags & WHERE_INDEXED ){
      Index *pIx = pLoop->u.btree.pIndex;
      int iIndexCur;
      int op = OP_OpenRead;
      /* iIdxCur is always set if to a positive value if ONEPASS is possible */
      assert( iIdxCur!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );







      if( pWInfo->okOnePass ){
        Index *pJ = pTabItem->pTab->pIndex;
        iIndexCur = iIdxCur;
        assert( wctrlFlags & WHERE_ONEPASS_DESIRED );
        while( ALWAYS(pJ) && pJ!=pIx ){
          iIndexCur++;
          pJ = pJ->pNext;
        }
................................................................................
        iIndexCur = iIdxCur;
      }else{
        iIndexCur = pParse->nTab++;
      }
      pLevel->iIdxCur = iIndexCur;
      assert( pIx->pSchema==pTab->pSchema );
      assert( iIndexCur>=0 );

      sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
      sqlite3VdbeSetP4KeyInfo(pParse, pIx);
      VdbeComment((v, "%s", pIx->zName));

    }
    if( iDb>=0 ) sqlite3CodeVerifySchema(pParse, iDb);
    notReady &= ~getMask(&pWInfo->sMaskSet, pTabItem->iCursor);
  }
  pWInfo->iTop = sqlite3VdbeCurrentAddr(v);
  if( db->mallocFailed ) goto whereBeginError;








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2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
....
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
....
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
....
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
....
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360

3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
....
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
....
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449

3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464

3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
....
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
....
4827
4828
4829
4830
4831
4832
4833

4834
4835
4836
4837
4838
4839
4840
....
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
6095
6096
....
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
    if( (flags & (WHERE_IPK|WHERE_VIRTUALTABLE))==0
     && ALWAYS(pLoop->u.btree.pIndex!=0)
    ){
      const char *zFmt;
      Index *pIdx = pLoop->u.btree.pIndex;
      char *zWhere = explainIndexRange(db, pLoop, pItem->pTab);
      assert( !(flags&WHERE_AUTO_INDEX) || (flags&WHERE_IDX_ONLY) );
      if( !HasRowid(pItem->pTab) && IsPrimaryKeyIndex(pIdx) ){
        zFmt = zWhere ? "%s USING PRIMARY KEY%.0s%s" : "%s%.0s%s";
      }else if( flags & WHERE_AUTO_INDEX ){
        zFmt = "%s USING AUTOMATIC COVERING INDEX%.0s%s";
      }else if( flags & WHERE_IDX_ONLY ){
        zFmt = "%s USING COVERING INDEX %s%s";
      }else{
        zFmt = "%s USING INDEX %s%s";
................................................................................
    if( omitTable ){
      /* pIdx is a covering index.  No need to access the main table. */
    }else if( HasRowid(pIdx->pTable) ){
      iRowidReg = ++pParse->nMem;
      sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, iRowidReg);
      sqlite3ExprCacheStore(pParse, iCur, -1, iRowidReg);
      sqlite3VdbeAddOp2(v, OP_Seek, iCur, iRowidReg);  /* Deferred seek */
    }else if( iCur!=iIdxCur ){
      Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable);
      iRowidReg = sqlite3GetTempRange(pParse, pPk->nKeyCol);
      for(j=0; j<pPk->nKeyCol; j++){
        k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[j]);
        sqlite3VdbeAddOp3(v, OP_Column, iIdxCur, k, iRowidReg+j);
      }
      sqlite3VdbeAddOp4Int(v, OP_NotFound, iCur, addrCont,
................................................................................
    **
    **       A: <loop body>                 # Return data, whatever.
    **
    **          Return     2                # Jump back to the Gosub
    **
    **       B: <after the loop>
    **
    ** Added 2014-05-26: If the table is a WITHOUT ROWID table, then
    ** use an ephermeral index instead of a RowSet to record the primary
    ** keys of the rows we have already seen.
    **
    */
    WhereClause *pOrWc;    /* The OR-clause broken out into subterms */
    SrcList *pOrTab;       /* Shortened table list or OR-clause generation */
    Index *pCov = 0;             /* Potential covering index (or NULL) */
    int iCovCur = pParse->nTab++;  /* Cursor used for index scans (if any) */

    int regReturn = ++pParse->nMem;           /* Register used with OP_Gosub */
................................................................................
    int regRowset = 0;                        /* Register for RowSet object */
    int regRowid = 0;                         /* Register holding rowid */
    int iLoopBody = sqlite3VdbeMakeLabel(v);  /* Start of loop body */
    int iRetInit;                             /* Address of regReturn init */
    int untestedTerms = 0;             /* Some terms not completely tested */
    int ii;                            /* Loop counter */
    Expr *pAndExpr = 0;                /* An ".. AND (...)" expression */
    Table *pTab = pTabItem->pTab;
   
    pTerm = pLoop->aLTerm[0];
    assert( pTerm!=0 );
    assert( pTerm->eOperator & WO_OR );
    assert( (pTerm->wtFlags & TERM_ORINFO)!=0 );
    pOrWc = &pTerm->u.pOrInfo->wc;
    pLevel->op = OP_Return;
................................................................................
        memcpy(&pOrTab->a[k], &origSrc[pLevel[k].iFrom], sizeof(pOrTab->a[k]));
      }
    }else{
      pOrTab = pWInfo->pTabList;
    }

    /* Initialize the rowset register to contain NULL. An SQL NULL is 
    ** equivalent to an empty rowset.  Or, create an ephermeral index
    ** capable of holding primary keys in the case of a WITHOUT ROWID.
    **
    ** Also initialize regReturn to contain the address of the instruction 
    ** immediately following the OP_Return at the bottom of the loop. This
    ** is required in a few obscure LEFT JOIN cases where control jumps
    ** over the top of the loop into the body of it. In this case the 
    ** correct response for the end-of-loop code (the OP_Return) is to 
    ** fall through to the next instruction, just as an OP_Next does if
    ** called on an uninitialized cursor.
    */
    if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
      if( HasRowid(pTab) ){
        regRowset = ++pParse->nMem;

        sqlite3VdbeAddOp2(v, OP_Null, 0, regRowset);
      }else{
        Index *pPk = sqlite3PrimaryKeyIndex(pTab);
        regRowset = pParse->nTab++;
        sqlite3VdbeAddOp2(v, OP_OpenEphemeral, regRowset, pPk->nKeyCol);
        sqlite3VdbeSetP4KeyInfo(pParse, pPk);
      }
      regRowid = ++pParse->nMem;
    }
    iRetInit = sqlite3VdbeAddOp2(v, OP_Integer, 0, regReturn);

    /* If the original WHERE clause is z of the form:  (x1 OR x2 OR ...) AND y
    ** Then for every term xN, evaluate as the subexpression: xN AND z
    ** That way, terms in y that are factored into the disjunction will
    ** be picked up by the recursive calls to sqlite3WhereBegin() below.
................................................................................
        pAndExpr = sqlite3ExprAnd(db, pAndExpr, pExpr);
      }
      if( pAndExpr ){
        pAndExpr = sqlite3PExpr(pParse, TK_AND, 0, pAndExpr, 0);
      }
    }

    /* Run a separate WHERE clause for each term of the OR clause.  After
    ** eliminating duplicates from other WHERE clauses, the action for each
    ** sub-WHERE clause is to to invoke the main loop body as a subroutine.
    */
    for(ii=0; ii<pOrWc->nTerm; ii++){
      WhereTerm *pOrTerm = &pOrWc->a[ii];
      if( pOrTerm->leftCursor==iCur || (pOrTerm->eOperator & WO_AND)!=0 ){
        WhereInfo *pSubWInfo;           /* Info for single OR-term scan */
        Expr *pOrExpr = pOrTerm->pExpr; /* Current OR clause term */
        int j1 = 0;                     /* Address of jump operation */
        if( pAndExpr && !ExprHasProperty(pOrExpr, EP_FromJoin) ){
          pAndExpr->pLeft = pOrExpr;
          pOrExpr = pAndExpr;
        }
        /* Loop through table entries that match term pOrTerm. */
        pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
                        WHERE_OMIT_OPEN_CLOSE | WHERE_AND_ONLY |
................................................................................
                        WHERE_FORCE_TABLE | WHERE_ONETABLE_ONLY, iCovCur);
        assert( pSubWInfo || pParse->nErr || db->mallocFailed );
        if( pSubWInfo ){
          WhereLoop *pSubLoop;
          explainOneScan(
              pParse, pOrTab, &pSubWInfo->a[0], iLevel, pLevel->iFrom, 0
          );
          /* This is the sub-WHERE clause body.  First skip over
          ** duplicate rows from prior sub-WHERE clauses, and record the
          ** rowid (or PRIMARY KEY) for the current row so that the same
          ** row will be skipped in subsequent sub-WHERE clauses.
          */
          if( (pWInfo->wctrlFlags & WHERE_DUPLICATES_OK)==0 ){
            int r;
            int iSet = ((ii==pOrWc->nTerm-1)?-1:ii);
            if( HasRowid(pTab) ){
              r = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iCur, regRowid, 0);
              j1 = sqlite3VdbeAddOp4Int(v, OP_RowSetTest, regRowset, 0, r,iSet);
              VdbeCoverage(v);
            }else{
              Index *pPk = sqlite3PrimaryKeyIndex(pTab);
              int nPk = pPk->nKeyCol;
              int iPk;

              /* Read the PK into an array of temp registers. */
              r = sqlite3GetTempRange(pParse, nPk);
              for(iPk=0; iPk<nPk; iPk++){
                int iCol = pPk->aiColumn[iPk];
                sqlite3ExprCodeGetColumn(pParse, pTab, iCol, iCur, r+iPk, 0);

              }

              /* Check if the temp table already contains this key. If so,
              ** the row has already been included in the result set and
              ** can be ignored (by jumping past the Gosub below). Otherwise,
              ** insert the key into the temp table and proceed with processing
              ** the row.
              **
              ** Use some of the same optimizations as OP_RowSetTest: If iSet
              ** is zero, assume that the key cannot already be present in
              ** the temp table. And if iSet is -1, assume that there is no 
              ** need to insert the key into the temp table, as it will never 
              ** be tested for.  */ 
              if( iSet ){
                j1 = sqlite3VdbeAddOp4Int(v, OP_Found, regRowset, 0, r, nPk);

                VdbeCoverage(v);
              }
              if( iSet>=0 ){
                sqlite3VdbeAddOp3(v, OP_MakeRecord, r, nPk, regRowid);
                sqlite3VdbeAddOp3(v, OP_IdxInsert, regRowset, regRowid, 0);
                if( iSet ) sqlite3VdbeChangeP5(v, OPFLAG_USESEEKRESULT);
              }

              /* Release the array of temp registers */
              sqlite3ReleaseTempRange(pParse, r, nPk);
            }
          }

          /* Invoke the main loop body as a subroutine */
          sqlite3VdbeAddOp2(v, OP_Gosub, regReturn, iLoopBody);

          /* Jump here (skipping the main loop body subroutine) if the
          ** current sub-WHERE row is a duplicate from prior sub-WHEREs. */
          if( j1 ) sqlite3VdbeJumpHere(v, j1);

          /* The pSubWInfo->untestedTerms flag means that this OR term
          ** contained one or more AND term from a notReady table.  The
          ** terms from the notReady table could not be tested and will
          ** need to be tested later.
          */
          if( pSubWInfo->untestedTerms ) untestedTerms = 1;
................................................................................
          ** pCov to NULL to indicate that no candidate covering index will 
          ** be available.
          */
          pSubLoop = pSubWInfo->a[0].pWLoop;
          assert( (pSubLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
          if( (pSubLoop->wsFlags & WHERE_INDEXED)!=0
           && (ii==0 || pSubLoop->u.btree.pIndex==pCov)
           && (HasRowid(pTab) || !IsPrimaryKeyIndex(pSubLoop->u.btree.pIndex))
          ){
            assert( pSubWInfo->a[0].iIdxCur==iCovCur );
            pCov = pSubLoop->u.btree.pIndex;
          }else{
            pCov = 0;
          }

................................................................................
  
  pWC = pBuilder->pWC;
  if( pWInfo->wctrlFlags & WHERE_AND_ONLY ) return SQLITE_OK;
  pWCEnd = pWC->a + pWC->nTerm;
  pNew = pBuilder->pNew;
  memset(&sSum, 0, sizeof(sSum));
  pItem = pWInfo->pTabList->a + pNew->iTab;

  iCur = pItem->iCursor;

  for(pTerm=pWC->a; pTerm<pWCEnd && rc==SQLITE_OK; pTerm++){
    if( (pTerm->eOperator & WO_OR)!=0
     && (pTerm->u.pOrInfo->indexable & pNew->maskSelf)!=0 
    ){
      WhereClause * const pOrWC = &pTerm->u.pOrInfo->wc;
................................................................................
    }
    if( pLoop->wsFlags & WHERE_INDEXED ){
      Index *pIx = pLoop->u.btree.pIndex;
      int iIndexCur;
      int op = OP_OpenRead;
      /* iIdxCur is always set if to a positive value if ONEPASS is possible */
      assert( iIdxCur!=0 || (pWInfo->wctrlFlags & WHERE_ONEPASS_DESIRED)==0 );
      if( !HasRowid(pTab) && IsPrimaryKeyIndex(pIx)
       && (wctrlFlags & WHERE_ONETABLE_ONLY)!=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;
        op = 0;
      }else if( pWInfo->okOnePass ){
        Index *pJ = pTabItem->pTab->pIndex;
        iIndexCur = iIdxCur;
        assert( wctrlFlags & WHERE_ONEPASS_DESIRED );
        while( ALWAYS(pJ) && pJ!=pIx ){
          iIndexCur++;
          pJ = pJ->pNext;
        }
................................................................................
        iIndexCur = iIdxCur;
      }else{
        iIndexCur = pParse->nTab++;
      }
      pLevel->iIdxCur = iIndexCur;
      assert( pIx->pSchema==pTab->pSchema );
      assert( iIndexCur>=0 );
      if( op ){
        sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
        sqlite3VdbeSetP4KeyInfo(pParse, pIx);
        VdbeComment((v, "%s", pIx->zName));
      }
    }
    if( iDb>=0 ) sqlite3CodeVerifySchema(pParse, iDb);
    notReady &= ~getMask(&pWInfo->sMaskSet, pTabItem->iCursor);
  }
  pWInfo->iTop = sqlite3VdbeCurrentAddr(v);
  if( db->mallocFailed ) goto whereBeginError;

Changes to test/fts4noti.test.

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} {}
do_execsql_test 6.2.4 {
  SELECT * FROM t1 WHERE t1 MATCH '6021';
} { Restaurant 6021 }
do_execsql_test 6.2.5 {
  SELECT * FROM t1 WHERE t1 MATCH '60*';
} { Restaurant 6021 }


















finish_test










>
>
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} {}
do_execsql_test 6.2.4 {
  SELECT * FROM t1 WHERE t1 MATCH '6021';
} { Restaurant 6021 }
do_execsql_test 6.2.5 {
  SELECT * FROM t1 WHERE t1 MATCH '60*';
} { Restaurant 6021 }

do_execsql_test 6.3.1 {
  DROP TABLE t1;
  CREATE VIRTUAL TABLE t1 USING fts4(abc, ab, a, notindexed=abc);
  CREATE VIRTUAL TABLE t2 USING fts4(a, ab, abc, notindexed=abc);

  INSERT INTO t1 VALUES('no', 'yes', 'yep');
  INSERT INTO t2 VALUES('yep', 'yes', 'no');

  SELECT count(*) FROM t1 WHERE t1 MATCH 'no';
  SELECT count(*) FROM t1 WHERE t1 MATCH 'yes';
  SELECT count(*) FROM t1 WHERE t1 MATCH 'yep';

  SELECT count(*) FROM t2 WHERE t2 MATCH 'no';
  SELECT count(*) FROM t2 WHERE t2 MATCH 'yes';
  SELECT count(*) FROM t2 WHERE t2 MATCH 'yep';
} {0 1 1 0 1 1}

finish_test



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  # too many arguments
  catchcmd "test.db" ".backup FOO BAR BAD"
} {1 {too many arguments to .backup}}

# .bail ON|OFF           Stop after hitting an error.  Default OFF
do_test shell1-3.2.1 {
  catchcmd "test.db" ".bail"
} {1 {Error: unknown command or invalid arguments:  "bail". Enter ".help" for help}}
do_test shell1-3.2.2 {
  catchcmd "test.db" ".bail ON"
} {0 {}}
do_test shell1-3.2.3 {
  catchcmd "test.db" ".bail OFF"
} {0 {}}
do_test shell1-3.2.4 {
  # too many arguments
  catchcmd "test.db" ".bail OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "bail". Enter ".help" for help}}

# .databases             List names and files of attached databases
do_test shell1-3.3.1 {
  catchcmd "-csv test.db" ".databases"
} "/0 +.*main +[string map {/ .} [string range [get_pwd] 0 10]].*/"
do_test shell1-3.3.2 {
  # too many arguments
  catchcmd "test.db" ".databases BAD"
} {1 {Error: unknown command or invalid arguments:  "databases". Enter ".help" for help}}

# .dump ?TABLE? ...      Dump the database in an SQL text format
#                          If TABLE specified, only dump tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.4.1 {
  set res [catchcmd "test.db" ".dump"]
  list [regexp {BEGIN TRANSACTION;} $res] \
................................................................................
  set res [catchcmd "test.db" ".dump FOO"]
  list [regexp {BEGIN TRANSACTION;} $res] \
       [regexp {COMMIT;} $res]
} {1 1}
do_test shell1-3.4.3 {
  # too many arguments
  catchcmd "test.db" ".dump FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "dump". Enter ".help" for help}}

# .echo ON|OFF           Turn command echo on or off
do_test shell1-3.5.1 {
  catchcmd "test.db" ".echo"
} {1 {Error: unknown command or invalid arguments:  "echo". Enter ".help" for help}}
do_test shell1-3.5.2 {
  catchcmd "test.db" ".echo ON"
} {0 {}}
do_test shell1-3.5.3 {
  catchcmd "test.db" ".echo OFF"
} {0 {}}
do_test shell1-3.5.4 {
  # too many arguments
  catchcmd "test.db" ".echo OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "echo". Enter ".help" for help}}

# .exit                  Exit this program
do_test shell1-3.6.1 {
  catchcmd "test.db" ".exit"
} {0 {}}

# .explain ON|OFF        Turn output mode suitable for EXPLAIN on or off.
................................................................................
do_test shell1-3.7.2 {
  catchcmd "test.db" ".explain ON"
} {0 {}}
do_test shell1-3.7.3 {
  catchcmd "test.db" ".explain OFF"
} {0 {}}
do_test shell1-3.7.4 {
  # too many arguments
  catchcmd "test.db" ".explain OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "explain". Enter ".help" for help}}


# .header(s) ON|OFF      Turn display of headers on or off
do_test shell1-3.9.1 {
  catchcmd "test.db" ".header"
} {1 {Error: unknown command or invalid arguments:  "header". Enter ".help" for help}}
do_test shell1-3.9.2 {
  catchcmd "test.db" ".header ON"
} {0 {}}
do_test shell1-3.9.3 {
  catchcmd "test.db" ".header OFF"
} {0 {}}
do_test shell1-3.9.4 {
  # too many arguments
  catchcmd "test.db" ".header OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "header". Enter ".help" for help}}

do_test shell1-3.9.5 {
  catchcmd "test.db" ".headers"
} {1 {Error: unknown command or invalid arguments:  "headers". Enter ".help" for help}}
do_test shell1-3.9.6 {
  catchcmd "test.db" ".headers ON"
} {0 {}}
do_test shell1-3.9.7 {
  catchcmd "test.db" ".headers OFF"
} {0 {}}
do_test shell1-3.9.8 {
  # too many arguments
  catchcmd "test.db" ".headers OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "headers". Enter ".help" for help}}

# .help                  Show this message
do_test shell1-3.10.1 {
  set res [catchcmd "test.db" ".help"]
  # look for a few of the possible help commands
  list [regexp {.help} $res] \
       [regexp {.quit} $res] \
................................................................................
       [regexp {.quit} $res] \
       [regexp {.show} $res]
} {1 1 1}

# .import FILE TABLE     Import data from FILE into TABLE
do_test shell1-3.11.1 {
  catchcmd "test.db" ".import"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
do_test shell1-3.11.2 {
  catchcmd "test.db" ".import FOO"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
#do_test shell1-3.11.2 {
#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell1-3.11.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}

# .indices ?TABLE?       Show names of all indices
#                          If TABLE specified, only show indices for tables
#                          matching LIKE pattern TABLE.
do_test shell1-3.12.1 {
  catchcmd "test.db" ".indices"
} {0 {}}
do_test shell1-3.12.2 {
  catchcmd "test.db" ".indices FOO"
} {0 {}}
do_test shell1-3.12.3 {
  # too many arguments
  catchcmd "test.db" ".indices FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "indices". Enter ".help" for help}}

# .mode MODE ?TABLE?     Set output mode where MODE is one of:
#                          csv      Comma-separated values
#                          column   Left-aligned columns.  (See .width)
#                          html     HTML <table> code
#                          insert   SQL insert statements for TABLE
#                          line     One value per line
#                          list     Values delimited by .separator string
#                          tabs     Tab-separated values
#                          tcl      TCL list elements
do_test shell1-3.13.1 {
  catchcmd "test.db" ".mode"
} {1 {Error: unknown command or invalid arguments:  "mode". Enter ".help" for help}}
do_test shell1-3.13.2 {
  catchcmd "test.db" ".mode FOO"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.3 {
  catchcmd "test.db" ".mode csv"
} {0 {}}
do_test shell1-3.13.4 {
................................................................................
do_test shell1-3.13.9 {
  catchcmd "test.db" ".mode tabs"
} {0 {}}
do_test shell1-3.13.10 {
  catchcmd "test.db" ".mode tcl"
} {0 {}}
do_test shell1-3.13.11 {
  # too many arguments
  catchcmd "test.db" ".mode tcl BAD"
} {1 {Error: invalid arguments:  "BAD". Enter ".help" for help}}

# don't allow partial mode type matches
do_test shell1-3.13.12 {
  catchcmd "test.db" ".mode l"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.13 {
  catchcmd "test.db" ".mode li"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.14 {
  catchcmd "test.db" ".mode lin"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}

# .nullvalue STRING      Print STRING in place of NULL values
do_test shell1-3.14.1 {
  catchcmd "test.db" ".nullvalue"
} {1 {Error: unknown command or invalid arguments:  "nullvalue". Enter ".help" for help}}
do_test shell1-3.14.2 {
  catchcmd "test.db" ".nullvalue FOO"
} {0 {}}
do_test shell1-3.14.3 {
  # too many arguments
  catchcmd "test.db" ".nullvalue FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "nullvalue". Enter ".help" for help}}

# .output FILENAME       Send output to FILENAME
do_test shell1-3.15.1 {
  catchcmd "test.db" ".output"
} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}
do_test shell1-3.15.2 {
  catchcmd "test.db" ".output FOO"
} {0 {}}
do_test shell1-3.15.3 {
  # too many arguments
  catchcmd "test.db" ".output FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}

# .output stdout         Send output to the screen
do_test shell1-3.16.1 {
  catchcmd "test.db" ".output stdout"
} {0 {}}
do_test shell1-3.16.2 {
  # too many arguments
  catchcmd "test.db" ".output stdout BAD"
} {1 {Error: unknown command or invalid arguments:  "output". Enter ".help" for help}}

# .prompt MAIN CONTINUE  Replace the standard prompts
do_test shell1-3.17.1 {
  catchcmd "test.db" ".prompt"
} {1 {Error: unknown command or invalid arguments:  "prompt". Enter ".help" for help}}
do_test shell1-3.17.2 {
  catchcmd "test.db" ".prompt FOO"
} {0 {}}
do_test shell1-3.17.3 {
  catchcmd "test.db" ".prompt FOO BAR"
} {0 {}}
do_test shell1-3.17.4 {
  # too many arguments
  catchcmd "test.db" ".prompt FOO BAR BAD"
} {1 {Error: unknown command or invalid arguments:  "prompt". Enter ".help" for help}}

# .quit                  Exit this program
do_test shell1-3.18.1 {
  catchcmd "test.db" ".quit"
} {0 {}}
do_test shell1-3.18.2 {
  # too many arguments
  catchcmd "test.db" ".quit BAD"
} {1 {Error: unknown command or invalid arguments:  "quit". Enter ".help" for help}}

# .read FILENAME         Execute SQL in FILENAME
do_test shell1-3.19.1 {
  catchcmd "test.db" ".read"
} {1 {Error: unknown command or invalid arguments:  "read". Enter ".help" for help}}
do_test shell1-3.19.2 {
  forcedelete FOO
  catchcmd "test.db" ".read FOO"
} {1 {Error: cannot open "FOO"}}
do_test shell1-3.19.3 {
  # too many arguments
  catchcmd "test.db" ".read FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "read". Enter ".help" for help}}

# .restore ?DB? FILE     Restore content of DB (default "main") from FILE
do_test shell1-3.20.1 {
  catchcmd "test.db" ".restore"
} {1 {Error: unknown command or invalid arguments:  "restore". Enter ".help" for help}}
do_test shell1-3.20.2 {
  catchcmd "test.db" ".restore FOO"
} {0 {}}
do_test shell1-3.20.3 {
  catchcmd "test.db" ".restore FOO BAR"
} {1 {Error: unknown database FOO}}
do_test shell1-3.20.4 {
  # too many arguments
  catchcmd "test.db" ".restore FOO BAR BAD"
} {1 {Error: unknown command or invalid arguments:  "restore". Enter ".help" for help}}

# .schema ?TABLE?        Show the CREATE statements
#                          If TABLE specified, only show tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.21.1 {
  catchcmd "test.db" ".schema"
} {0 {}}
do_test shell1-3.21.2 {
  catchcmd "test.db" ".schema FOO"
} {0 {}}
do_test shell1-3.21.3 {
  # too many arguments
  catchcmd "test.db" ".schema FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "schema". Enter ".help" for help}}

do_test shell1-3.21.4 {
  catchcmd "test.db" {
     CREATE TABLE t1(x);
     CREATE VIEW v2 AS SELECT x+1 AS y FROM t1;
     CREATE VIEW v1 AS SELECT y+1 FROM v2;
  }
................................................................................
CREATE VIEW v2 AS SELECT x+1 AS y FROM t1;
CREATE VIEW v1 AS SELECT y+1 FROM v2;}}
db eval {DROP VIEW v1; DROP VIEW v2; DROP TABLE t1;}

# .separator STRING      Change separator used by output mode and .import
do_test shell1-3.22.1 {
  catchcmd "test.db" ".separator"
} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
do_test shell1-3.22.2 {
  catchcmd "test.db" ".separator FOO"
} {0 {}}
do_test shell1-3.22.3 {
  # too many arguments
  catchcmd "test.db" ".separator FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}

# .show                  Show the current values for various settings
do_test shell1-3.23.1 {
  set res [catchcmd "test.db" ".show"]
  list [regexp {echo:} $res] \
       [regexp {explain:} $res] \
       [regexp {headers:} $res] \
................................................................................
       [regexp {separator:} $res] \
       [regexp {stats:} $res] \
       [regexp {width:} $res]
} {1 1 1 1 1 1 1 1 1}
do_test shell1-3.23.2 {
  # too many arguments
  catchcmd "test.db" ".show BAD"
} {1 {Error: unknown command or invalid arguments:  "show". Enter ".help" for help}}

# .stats ON|OFF          Turn stats on or off
do_test shell1-3.23b.1 {
  catchcmd "test.db" ".stats"
} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
do_test shell1-3.23b.2 {
  catchcmd "test.db" ".stats ON"
} {0 {}}
do_test shell1-3.23b.3 {
  catchcmd "test.db" ".stats OFF"
} {0 {}}
do_test shell1-3.23b.4 {
  # too many arguments
  catchcmd "test.db" ".stats OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}

# .tables ?TABLE?        List names of tables
#                          If TABLE specified, only list tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.24.1 {
  catchcmd "test.db" ".tables"
} {0 {}}
do_test shell1-3.24.2 {
  catchcmd "test.db" ".tables FOO"
} {0 {}}
do_test shell1-3.24.3 {
  # too many arguments
  catchcmd "test.db" ".tables FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "tables". Enter ".help" for help}}

# .timeout MS            Try opening locked tables for MS milliseconds
do_test shell1-3.25.1 {
  catchcmd "test.db" ".timeout"
} {1 {Error: unknown command or invalid arguments:  "timeout". Enter ".help" for help}}
do_test shell1-3.25.2 {
  catchcmd "test.db" ".timeout zzz"
  # this should be treated the same as a '0' timeout
} {0 {}}
do_test shell1-3.25.3 {
  catchcmd "test.db" ".timeout 1"
} {0 {}}
do_test shell1-3.25.4 {
  # too many arguments
  catchcmd "test.db" ".timeout 1 BAD"
} {1 {Error: unknown command or invalid arguments:  "timeout". Enter ".help" for help}}

# .width NUM NUM ...     Set column widths for "column" mode
do_test shell1-3.26.1 {
  catchcmd "test.db" ".width"
} {1 {Error: unknown command or invalid arguments:  "width". Enter ".help" for help}}
do_test shell1-3.26.2 {
  catchcmd "test.db" ".width xxx"
  # this should be treated the same as a '0' width for col 1
} {0 {}}
do_test shell1-3.26.3 {
  catchcmd "test.db" ".width xxx yyy"
  # this should be treated the same as a '0' width for col 1 and 2
................................................................................
  # this should be treated the same as a '1' width for col 1 and 2
} {0 {   abcdefg  123456    }}


# .timer ON|OFF          Turn the CPU timer measurement on or off
do_test shell1-3.27.1 {
  catchcmd "test.db" ".timer"
} {1 {Error: unknown command or invalid arguments:  "timer". Enter ".help" for help}}
do_test shell1-3.27.2 {
  catchcmd "test.db" ".timer ON"
} {0 {}}
do_test shell1-3.27.3 {
  catchcmd "test.db" ".timer OFF"
} {0 {}}
do_test shell1-3.27.4 {
  # too many arguments
  catchcmd "test.db" ".timer OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "timer". Enter ".help" for help}}

do_test shell1-3-28.1 {
  catchcmd test.db \
     ".log stdout\nSELECT coalesce(sqlite_log(123,'hello'),'456');"
} "0 {(123) hello\n456}"

do_test shell1-3-29.1 {







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  # too many arguments
  catchcmd "test.db" ".backup FOO BAR BAD"
} {1 {too many arguments to .backup}}

# .bail ON|OFF           Stop after hitting an error.  Default OFF
do_test shell1-3.2.1 {
  catchcmd "test.db" ".bail"
} {1 {Usage: .bail on|off}}
do_test shell1-3.2.2 {
  catchcmd "test.db" ".bail ON"
} {0 {}}
do_test shell1-3.2.3 {
  catchcmd "test.db" ".bail OFF"
} {0 {}}
do_test shell1-3.2.4 {
  # too many arguments
  catchcmd "test.db" ".bail OFF BAD"
} {1 {Usage: .bail on|off}}

# .databases             List names and files of attached databases
do_test shell1-3.3.1 {
  catchcmd "-csv test.db" ".databases"
} "/0 +.*main +[string map {/ .} [string range [get_pwd] 0 10]].*/"
do_test shell1-3.3.2 {
  # extra arguments ignored
  catchcmd "test.db" ".databases BAD"
} "/0 +.*main +[string map {/ .} [string range [get_pwd] 0 10]].*/"

# .dump ?TABLE? ...      Dump the database in an SQL text format
#                          If TABLE specified, only dump tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.4.1 {
  set res [catchcmd "test.db" ".dump"]
  list [regexp {BEGIN TRANSACTION;} $res] \
................................................................................
  set res [catchcmd "test.db" ".dump FOO"]
  list [regexp {BEGIN TRANSACTION;} $res] \
       [regexp {COMMIT;} $res]
} {1 1}
do_test shell1-3.4.3 {
  # too many arguments
  catchcmd "test.db" ".dump FOO BAD"
} {1 {Usage: .dump ?LIKE-PATTERN?}}

# .echo ON|OFF           Turn command echo on or off
do_test shell1-3.5.1 {
  catchcmd "test.db" ".echo"
} {1 {Usage: .echo on|off}}
do_test shell1-3.5.2 {
  catchcmd "test.db" ".echo ON"
} {0 {}}
do_test shell1-3.5.3 {
  catchcmd "test.db" ".echo OFF"
} {0 {}}
do_test shell1-3.5.4 {
  # too many arguments
  catchcmd "test.db" ".echo OFF BAD"
} {1 {Usage: .echo on|off}}

# .exit                  Exit this program
do_test shell1-3.6.1 {
  catchcmd "test.db" ".exit"
} {0 {}}

# .explain ON|OFF        Turn output mode suitable for EXPLAIN on or off.
................................................................................
do_test shell1-3.7.2 {
  catchcmd "test.db" ".explain ON"
} {0 {}}
do_test shell1-3.7.3 {
  catchcmd "test.db" ".explain OFF"
} {0 {}}
do_test shell1-3.7.4 {
  # extra arguments ignored
  catchcmd "test.db" ".explain OFF BAD"
} {0 {}}


# .header(s) ON|OFF      Turn display of headers on or off
do_test shell1-3.9.1 {
  catchcmd "test.db" ".header"
} {1 {Usage: .headers on|off}}
do_test shell1-3.9.2 {
  catchcmd "test.db" ".header ON"
} {0 {}}
do_test shell1-3.9.3 {
  catchcmd "test.db" ".header OFF"
} {0 {}}
do_test shell1-3.9.4 {
  # too many arguments
  catchcmd "test.db" ".header OFF BAD"
} {1 {Usage: .headers on|off}}

do_test shell1-3.9.5 {
  catchcmd "test.db" ".headers"
} {1 {Usage: .headers on|off}}
do_test shell1-3.9.6 {
  catchcmd "test.db" ".headers ON"
} {0 {}}
do_test shell1-3.9.7 {
  catchcmd "test.db" ".headers OFF"
} {0 {}}
do_test shell1-3.9.8 {
  # too many arguments
  catchcmd "test.db" ".headers OFF BAD"
} {1 {Usage: .headers on|off}}

# .help                  Show this message
do_test shell1-3.10.1 {
  set res [catchcmd "test.db" ".help"]
  # look for a few of the possible help commands
  list [regexp {.help} $res] \
       [regexp {.quit} $res] \
................................................................................
       [regexp {.quit} $res] \
       [regexp {.show} $res]
} {1 1 1}

# .import FILE TABLE     Import data from FILE into TABLE
do_test shell1-3.11.1 {
  catchcmd "test.db" ".import"
} {1 {Usage: .import FILE TABLE}}
do_test shell1-3.11.2 {
  catchcmd "test.db" ".import FOO"
} {1 {Usage: .import FILE TABLE}}
#do_test shell1-3.11.2 {
#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell1-3.11.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Usage: .import FILE TABLE}}

# .indices ?TABLE?       Show names of all indices
#                          If TABLE specified, only show indices for tables
#                          matching LIKE pattern TABLE.
do_test shell1-3.12.1 {
  catchcmd "test.db" ".indices"
} {0 {}}
do_test shell1-3.12.2 {
  catchcmd "test.db" ".indices FOO"
} {0 {}}
do_test shell1-3.12.3 {
  # too many arguments
  catchcmd "test.db" ".indices FOO BAD"
} {1 {Usage: .indices ?LIKE-PATTERN?}}

# .mode MODE ?TABLE?     Set output mode where MODE is one of:
#                          csv      Comma-separated values
#                          column   Left-aligned columns.  (See .width)
#                          html     HTML <table> code
#                          insert   SQL insert statements for TABLE
#                          line     One value per line
#                          list     Values delimited by .separator string
#                          tabs     Tab-separated values
#                          tcl      TCL list elements
do_test shell1-3.13.1 {
  catchcmd "test.db" ".mode"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.2 {
  catchcmd "test.db" ".mode FOO"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.3 {
  catchcmd "test.db" ".mode csv"
} {0 {}}
do_test shell1-3.13.4 {
................................................................................
do_test shell1-3.13.9 {
  catchcmd "test.db" ".mode tabs"
} {0 {}}
do_test shell1-3.13.10 {
  catchcmd "test.db" ".mode tcl"
} {0 {}}
do_test shell1-3.13.11 {
  # extra arguments ignored
  catchcmd "test.db" ".mode tcl BAD"
} {0 {}}

# don't allow partial mode type matches
do_test shell1-3.13.12 {
  catchcmd "test.db" ".mode l"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.13 {
  catchcmd "test.db" ".mode li"
} {1 {Error: mode should be one of: column csv html insert line list tabs tcl}}
do_test shell1-3.13.14 {
  catchcmd "test.db" ".mode lin"
} {0 {}}

# .nullvalue STRING      Print STRING in place of NULL values
do_test shell1-3.14.1 {
  catchcmd "test.db" ".nullvalue"
} {1 {Usage: .nullvalue STRING}}
do_test shell1-3.14.2 {
  catchcmd "test.db" ".nullvalue FOO"
} {0 {}}
do_test shell1-3.14.3 {
  # too many arguments
  catchcmd "test.db" ".nullvalue FOO BAD"
} {1 {Usage: .nullvalue STRING}}

# .output FILENAME       Send output to FILENAME
do_test shell1-3.15.1 {
  catchcmd "test.db" ".output"
} {0 {}}
do_test shell1-3.15.2 {
  catchcmd "test.db" ".output FOO"
} {0 {}}
do_test shell1-3.15.3 {
  # too many arguments
  catchcmd "test.db" ".output FOO BAD"
} {1 {Usage: .output FILE}}

# .output stdout         Send output to the screen
do_test shell1-3.16.1 {
  catchcmd "test.db" ".output stdout"
} {0 {}}
do_test shell1-3.16.2 {
  # too many arguments
  catchcmd "test.db" ".output stdout BAD"
} {1 {Usage: .output FILE}}

# .prompt MAIN CONTINUE  Replace the standard prompts
do_test shell1-3.17.1 {
  catchcmd "test.db" ".prompt"
} {0 {}}
do_test shell1-3.17.2 {
  catchcmd "test.db" ".prompt FOO"
} {0 {}}
do_test shell1-3.17.3 {
  catchcmd "test.db" ".prompt FOO BAR"
} {0 {}}
do_test shell1-3.17.4 {
  # too many arguments
  catchcmd "test.db" ".prompt FOO BAR BAD"
} {0 {}}

# .quit                  Exit this program
do_test shell1-3.18.1 {
  catchcmd "test.db" ".quit"
} {0 {}}
do_test shell1-3.18.2 {
  # too many arguments
  catchcmd "test.db" ".quit BAD"
} {0 {}}

# .read FILENAME         Execute SQL in FILENAME
do_test shell1-3.19.1 {
  catchcmd "test.db" ".read"
} {1 {Usage: .read FILE}}
do_test shell1-3.19.2 {
  forcedelete FOO
  catchcmd "test.db" ".read FOO"
} {1 {Error: cannot open "FOO"}}
do_test shell1-3.19.3 {
  # too many arguments
  catchcmd "test.db" ".read FOO BAD"
} {1 {Usage: .read FILE}}

# .restore ?DB? FILE     Restore content of DB (default "main") from FILE
do_test shell1-3.20.1 {
  catchcmd "test.db" ".restore"
} {1 {Usage: .restore ?DB? FILE}}
do_test shell1-3.20.2 {
  catchcmd "test.db" ".restore FOO"
} {0 {}}
do_test shell1-3.20.3 {
  catchcmd "test.db" ".restore FOO BAR"
} {1 {Error: unknown database FOO}}
do_test shell1-3.20.4 {
  # too many arguments
  catchcmd "test.db" ".restore FOO BAR BAD"
} {1 {Usage: .restore ?DB? FILE}}

# .schema ?TABLE?        Show the CREATE statements
#                          If TABLE specified, only show tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.21.1 {
  catchcmd "test.db" ".schema"
} {0 {}}
do_test shell1-3.21.2 {
  catchcmd "test.db" ".schema FOO"
} {0 {}}
do_test shell1-3.21.3 {
  # too many arguments
  catchcmd "test.db" ".schema FOO BAD"
} {1 {Usage: .schema ?LIKE-PATTERN?}}

do_test shell1-3.21.4 {
  catchcmd "test.db" {
     CREATE TABLE t1(x);
     CREATE VIEW v2 AS SELECT x+1 AS y FROM t1;
     CREATE VIEW v1 AS SELECT y+1 FROM v2;
  }
................................................................................
CREATE VIEW v2 AS SELECT x+1 AS y FROM t1;
CREATE VIEW v1 AS SELECT y+1 FROM v2;}}
db eval {DROP VIEW v1; DROP VIEW v2; DROP TABLE t1;}

# .separator STRING      Change separator used by output mode and .import
do_test shell1-3.22.1 {
  catchcmd "test.db" ".separator"
} {1 {Usage: .separator STRING}}
do_test shell1-3.22.2 {
  catchcmd "test.db" ".separator FOO"
} {0 {}}
do_test shell1-3.22.3 {
  # too many arguments
  catchcmd "test.db" ".separator FOO BAD"
} {1 {Usage: .separator STRING}}

# .show                  Show the current values for various settings
do_test shell1-3.23.1 {
  set res [catchcmd "test.db" ".show"]
  list [regexp {echo:} $res] \
       [regexp {explain:} $res] \
       [regexp {headers:} $res] \
................................................................................
       [regexp {separator:} $res] \
       [regexp {stats:} $res] \
       [regexp {width:} $res]
} {1 1 1 1 1 1 1 1 1}
do_test shell1-3.23.2 {
  # too many arguments
  catchcmd "test.db" ".show BAD"
} {1 {Usage: .show}}

# .stats ON|OFF          Turn stats on or off
do_test shell1-3.23b.1 {
  catchcmd "test.db" ".stats"
} {1 {Usage: .stats on|off}}
do_test shell1-3.23b.2 {
  catchcmd "test.db" ".stats ON"
} {0 {}}
do_test shell1-3.23b.3 {
  catchcmd "test.db" ".stats OFF"
} {0 {}}
do_test shell1-3.23b.4 {
  # too many arguments
  catchcmd "test.db" ".stats OFF BAD"
} {1 {Usage: .stats on|off}}

# .tables ?TABLE?        List names of tables
#                          If TABLE specified, only list tables matching
#                          LIKE pattern TABLE.
do_test shell1-3.24.1 {
  catchcmd "test.db" ".tables"
} {0 {}}
do_test shell1-3.24.2 {
  catchcmd "test.db" ".tables FOO"
} {0 {}}
do_test shell1-3.24.3 {
  # too many arguments
  catchcmd "test.db" ".tables FOO BAD"
} {0 {}}

# .timeout MS            Try opening locked tables for MS milliseconds
do_test shell1-3.25.1 {
  catchcmd "test.db" ".timeout"
} {0 {}}
do_test shell1-3.25.2 {
  catchcmd "test.db" ".timeout zzz"
  # this should be treated the same as a '0' timeout
} {0 {}}
do_test shell1-3.25.3 {
  catchcmd "test.db" ".timeout 1"
} {0 {}}
do_test shell1-3.25.4 {
  # too many arguments
  catchcmd "test.db" ".timeout 1 BAD"
} {0 {}}

# .width NUM NUM ...     Set column widths for "column" mode
do_test shell1-3.26.1 {
  catchcmd "test.db" ".width"
} {0 {}}
do_test shell1-3.26.2 {
  catchcmd "test.db" ".width xxx"
  # this should be treated the same as a '0' width for col 1
} {0 {}}
do_test shell1-3.26.3 {
  catchcmd "test.db" ".width xxx yyy"
  # this should be treated the same as a '0' width for col 1 and 2
................................................................................
  # this should be treated the same as a '1' width for col 1 and 2
} {0 {   abcdefg  123456    }}


# .timer ON|OFF          Turn the CPU timer measurement on or off
do_test shell1-3.27.1 {
  catchcmd "test.db" ".timer"
} {1 {Usage: .timer on|off}}
do_test shell1-3.27.2 {
  catchcmd "test.db" ".timer ON"
} {0 {}}
do_test shell1-3.27.3 {
  catchcmd "test.db" ".timer OFF"
} {0 {}}
do_test shell1-3.27.4 {
  # too many arguments
  catchcmd "test.db" ".timer OFF BAD"
} {1 {Usage: .timer on|off}}

do_test shell1-3-28.1 {
  catchcmd test.db \
     ".log stdout\nSELECT coalesce(sqlite_log(123,'hello'),'456');"
} "0 {(123) hello\n456}"

do_test shell1-3-29.1 {

Changes to test/shell4.test.

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  set res [catchcmd "-stats test.db" ".show"]
  list [regexp {stats: off} $res]
} {0}

# .stats ON|OFF          Turn stats on or off
do_test shell4-1.3.1 {
  catchcmd "test.db" ".stats"
} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}
do_test shell4-1.3.2 {
  catchcmd "test.db" ".stats ON"
} {0 {}}
do_test shell4-1.3.3 {
  catchcmd "test.db" ".stats OFF"
} {0 {}}
do_test shell4-1.3.4 {
  # too many arguments
  catchcmd "test.db" ".stats OFF BAD"
} {1 {Error: unknown command or invalid arguments:  "stats". Enter ".help" for help}}

# NB. whitespace is important
do_test shell4-1.4.1 {
  set res [catchcmd "test.db" {.show}]
  list [regexp {stats: off} $res]
} {1}








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  set res [catchcmd "-stats test.db" ".show"]
  list [regexp {stats: off} $res]
} {0}

# .stats ON|OFF          Turn stats on or off
do_test shell4-1.3.1 {
  catchcmd "test.db" ".stats"
} {1 {Usage: .stats on|off}}
do_test shell4-1.3.2 {
  catchcmd "test.db" ".stats ON"
} {0 {}}
do_test shell4-1.3.3 {
  catchcmd "test.db" ".stats OFF"
} {0 {}}
do_test shell4-1.3.4 {
  # too many arguments
  catchcmd "test.db" ".stats OFF BAD"
} {1 {Usage: .stats on|off}}

# NB. whitespace is important
do_test shell4-1.4.1 {
  set res [catchcmd "test.db" {.show}]
  list [regexp {stats: off} $res]
} {1}

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#----------------------------------------------------------------------------
# Test cases shell5-1.*: Basic handling of the .import and .separator commands.
#

# .import FILE TABLE     Import data from FILE into TABLE
do_test shell5-1.1.1 {
  catchcmd "test.db" ".import"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
do_test shell5-1.1.2 {
  catchcmd "test.db" ".import FOO"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}
#do_test shell5-1.1.2 {
#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell5-1.1.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Error: unknown command or invalid arguments:  "import". Enter ".help" for help}}

# .separator STRING      Change separator used by output mode and .import
do_test shell1-1.2.1 {
  catchcmd "test.db" ".separator"
} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}
do_test shell1-1.2.2 {
  catchcmd "test.db" ".separator FOO"
} {0 {}}
do_test shell1-1.2.3 {
  # too many arguments
  catchcmd "test.db" ".separator FOO BAD"
} {1 {Error: unknown command or invalid arguments:  "separator". Enter ".help" for help}}

# separator should default to "|"
do_test shell5-1.3.1 {
  set res [catchcmd "test.db" ".show"]
  list [regexp {separator: \"\|\"} $res]
} {1}








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#----------------------------------------------------------------------------
# Test cases shell5-1.*: Basic handling of the .import and .separator commands.
#

# .import FILE TABLE     Import data from FILE into TABLE
do_test shell5-1.1.1 {
  catchcmd "test.db" ".import"
} {1 {Usage: .import FILE TABLE}}
do_test shell5-1.1.2 {
  catchcmd "test.db" ".import FOO"
} {1 {Usage: .import FILE TABLE}}
#do_test shell5-1.1.2 {
#  catchcmd "test.db" ".import FOO BAR"
#} {1 {Error: no such table: BAR}}
do_test shell5-1.1.3 {
  # too many arguments
  catchcmd "test.db" ".import FOO BAR BAD"
} {1 {Usage: .import FILE TABLE}}

# .separator STRING      Change separator used by output mode and .import
do_test shell5-1.2.1 {
  catchcmd "test.db" ".separator"
} {1 {Usage: .separator STRING}}
do_test shell5-1.2.2 {
  catchcmd "test.db" ".separator FOO"
} {0 {}}
do_test shell5-1.2.3 {
  # too many arguments
  catchcmd "test.db" ".separator FOO BAD"
} {1 {Usage: .separator STRING}}

# separator should default to "|"
do_test shell5-1.3.1 {
  set res [catchcmd "test.db" ".show"]
  list [regexp {separator: \"\|\"} $res]
} {1}

Added test/whereI.test.

























































































































































































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# 2014-03-31
#
# 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.
#
#***********************************************************************
# The focus of this file is testing the OR optimization on WITHOUT ROWID 
# tables.
#

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

do_execsql_test 1.0 {
  CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
  INSERT INTO t1 VALUES(1, 'a', 'z');
  INSERT INTO t1 VALUES(2, 'b', 'y');
  INSERT INTO t1 VALUES(3, 'c', 'x');
  INSERT INTO t1 VALUES(4, 'd', 'w');
  CREATE INDEX i1 ON t1(b);
  CREATE INDEX i2 ON t1(c);
}

do_eqp_test 1.1 {
  SELECT a FROM t1 WHERE b='b' OR c='x'
} {
  0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)} 
  0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)}
}

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

do_execsql_test 1.3 {
  SELECT a FROM t1 WHERE b='a' OR c='z'
} {1}

#----------------------------------------------------------------------
# Try that again, this time with non integer PRIMARY KEY values.
#
do_execsql_test 2.0 {
  CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID;
  INSERT INTO t2 VALUES('i', 'a', 'z');
  INSERT INTO t2 VALUES('ii', 'b', 'y');
  INSERT INTO t2 VALUES('iii', 'c', 'x');
  INSERT INTO t2 VALUES('iv', 'd', 'w');
  CREATE INDEX i3 ON t2(b);
  CREATE INDEX i4 ON t2(c);
}

do_eqp_test 2.1 {
  SELECT a FROM t2 WHERE b='b' OR c='x'
} {
  0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)} 
  0 0 0 {SEARCH TABLE t2 USING INDEX i4 (c=?)}
}

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

do_execsql_test 2.3 {
  SELECT a FROM t2 WHERE b='a' OR c='z'
} {i}

#----------------------------------------------------------------------
# On a table with a multi-column PK.
#
do_execsql_test 3.0 {
  CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID;

  INSERT INTO t3 VALUES('f', 1, 1, 'o');
  INSERT INTO t3 VALUES('o', 2, 1, 't');
  INSERT INTO t3 VALUES('t', 1, 2, 't');
  INSERT INTO t3 VALUES('t', 2, 2, 'f');

  CREATE INDEX t3i1 ON t3(d);
  CREATE INDEX t3i2 ON t3(a);

  SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t'
} {
  2.1 2.2 1.2
}

finish_test

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#/bin/sh
#
# Run this script in a directory with a working makefile to check for 
# compiler warnings in SQLite.
#
rm -f sqlite3.c
make sqlite3.c-debug
echo '********** No optimizations.  Includes FTS4 and RTREE *********'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c
echo '********** No optimizations. ENABLE_STAT4. THREADSAFE=0 *******'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DSQLITE_ENABLE_STAT4 -DSQLITE_THREADSAFE=0 \
      sqlite3.c
echo '********** Optimized -O3.  Includes FTS4 and RTREE ************'
gcc -O3 -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c






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#/bin/sh
#
# Run this script in a directory with a working makefile to check for 
# compiler warnings in SQLite.
#
rm -f sqlite3.c
make sqlite3.c
echo '********** No optimizations.  Includes FTS4 and RTREE *********'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c
echo '********** No optimizations. ENABLE_STAT4. THREADSAFE=0 *******'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DSQLITE_ENABLE_STAT4 -DSQLITE_THREADSAFE=0 \
      sqlite3.c
echo '********** Optimized -O3.  Includes FTS4 and RTREE ************'
gcc -O3 -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c