z += n;
        n = sqlite4GetToken(z, &token);
      }while( token==TK_SPACE );

      zParent = sqlite4DbStrNDup(db, (const char *)z, n);
      if( zParent==0 ) break;
      sqlite4Dequote(zParent);
      if( 0==sqlite4StrICmp((const char *)zOld, zParent) ){
        char *zOut = sqlite4MPrintf(db, "%s%.*s\"%w\"", 
            (zOutput?zOutput:""), z-zInput, zInput, (const char *)zNew
        );
        sqlite4DbFree(db, zOutput);
        zOutput = zOut;
        zInput = &z[n];
      }
................................................................................
** (either with ALTER TABLE ... RENAME TO or ALTER TABLE ... ADD COLUMN).
** If the table is a system table, this function leaves an error message
** in pParse->zErr (system tables may not be altered) and returns non-zero.
**
** Or, if zName is not a system table, zero is returned.
*/
static int isSystemTable(Parse *pParse, const char *zName){
  if( sqlite4Strlen30(zName)>6 && 0==sqlite4StrNICmp(zName, "sqlite_", 7) ){
    sqlite4ErrorMsg(pParse, "table %s may not be altered", zName);
    return 1;
  }
  return 0;
}

/*

        z += n;
        n = sqlite4GetToken(z, &token);
      }while( token==TK_SPACE );

      zParent = sqlite4DbStrNDup(db, (const char *)z, n);
      if( zParent==0 ) break;
      sqlite4Dequote(zParent);
      if( 0==sqlite4_stricmp((const char *)zOld, zParent) ){
        char *zOut = sqlite4MPrintf(db, "%s%.*s\"%w\"", 
            (zOutput?zOutput:""), z-zInput, zInput, (const char *)zNew
        );
        sqlite4DbFree(db, zOutput);
        zOutput = zOut;
        zInput = &z[n];
      }
................................................................................
** (either with ALTER TABLE ... RENAME TO or ALTER TABLE ... ADD COLUMN).
** If the table is a system table, this function leaves an error message
** in pParse->zErr (system tables may not be altered) and returns non-zero.
**
** Or, if zName is not a system table, zero is returned.
*/
static int isSystemTable(Parse *pParse, const char *zName){
  if( sqlite4Strlen30(zName)>6 && 0==sqlite4_strnicmp(zName, "sqlite_", 7) ){
    sqlite4ErrorMsg(pParse, "table %s may not be altered", zName);
    return 1;
  }
  return 0;
}

/*

  if( db->pSavepoint ){
    zErrDyn = sqlite4MPrintf(db, "cannot ATTACH database within transaction");
    goto attach_error;
  }
  for(i=0; i<db->nDb; i++){
    char *z = db->aDb[i].zName;
    assert( z && zName );
    if( sqlite4StrICmp(z, zName)==0 ){
      zErrDyn = sqlite4MPrintf(db, "database %s is already in use", zName);
      goto attach_error;
    }
  }

  /* Allocate the new entry in the db->aDb[] array and initialise the schema
  ** hash tables.
................................................................................

  UNUSED_PARAMETER(NotUsed);

  if( zName==0 ) zName = "";
  for(i=0; i<db->nDb; i++){
    pDb = &db->aDb[i];
    if( pDb->pKV==0 ) continue;
    if( sqlite4StrICmp(pDb->zName, zName)==0 ) break;
  }

  if( i>=db->nDb ){
    sqlite4_snprintf(zErr,sizeof(zErr), "no such database: %s", zName);
    goto detach_error;
  }
  if( i<2 ){
................................................................................
  SrcListItem *pItem;

  if( NEVER(pList==0) ) return 0;
  zDb = pFix->zDb;
  for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){
    if( pItem->zDatabase==0 ){
      pItem->zDatabase = sqlite4DbStrDup(pFix->pParse->db, zDb);
    }else if( sqlite4StrICmp(pItem->zDatabase,zDb)!=0 ){
      sqlite4ErrorMsg(pFix->pParse,
         "%s %T cannot reference objects in database %s",
         pFix->zType, pFix->pName, pItem->zDatabase);
      return 1;
    }
#if !defined(SQLITE4_OMIT_VIEW) || !defined(SQLITE4_OMIT_TRIGGER)
    if( sqlite4FixSelect(pFix, pItem->pSelect) ) return 1;

  if( db->pSavepoint ){
    zErrDyn = sqlite4MPrintf(db, "cannot ATTACH database within transaction");
    goto attach_error;
  }
  for(i=0; i<db->nDb; i++){
    char *z = db->aDb[i].zName;
    assert( z && zName );
    if( sqlite4_stricmp(z, zName)==0 ){
      zErrDyn = sqlite4MPrintf(db, "database %s is already in use", zName);
      goto attach_error;
    }
  }

  /* Allocate the new entry in the db->aDb[] array and initialise the schema
  ** hash tables.
................................................................................

  UNUSED_PARAMETER(NotUsed);

  if( zName==0 ) zName = "";
  for(i=0; i<db->nDb; i++){
    pDb = &db->aDb[i];
    if( pDb->pKV==0 ) continue;
    if( sqlite4_stricmp(pDb->zName, zName)==0 ) break;
  }

  if( i>=db->nDb ){
    sqlite4_snprintf(zErr,sizeof(zErr), "no such database: %s", zName);
    goto detach_error;
  }
  if( i<2 ){
................................................................................
  SrcListItem *pItem;

  if( NEVER(pList==0) ) return 0;
  zDb = pFix->zDb;
  for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){
    if( pItem->zDatabase==0 ){
      pItem->zDatabase = sqlite4DbStrDup(pFix->pParse->db, zDb);
    }else if( sqlite4_stricmp(pItem->zDatabase,zDb)!=0 ){
      sqlite4ErrorMsg(pFix->pParse,
         "%s %T cannot reference objects in database %s",
         pFix->zType, pFix->pName, pItem->zDatabase);
      return 1;
    }
#if !defined(SQLITE4_OMIT_VIEW) || !defined(SQLITE4_OMIT_TRIGGER)
    if( sqlite4FixSelect(pFix, pItem->pSelect) ) return 1;

  int i;
  int nName;
  assert( zName!=0 );
  nName = sqlite4Strlen30(zName);
  /* All mutexes are required for schema access.  Make sure we hold them. */
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;   /* Search TEMP before MAIN */
    if( zDatabase!=0 && sqlite4StrICmp(zDatabase, db->aDb[j].zName) ) continue;
    p = sqlite4HashFind(&db->aDb[j].pSchema->tblHash, zName, nName);
    if( p ) break;
  }
  return p;
}

/*
................................................................................
  int i;
  int nName = sqlite4Strlen30(zName);
  /* All mutexes are required for schema access.  Make sure we hold them. */
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    Schema *pSchema = db->aDb[j].pSchema;
    assert( pSchema );
    if( zDb && sqlite4StrICmp(zDb, db->aDb[j].zName) ) continue;
    p = sqlite4HashFind(&pSchema->idxHash, zName, nName);
    if( p ) break;
  }
  return p;
}

/*
................................................................................
int sqlite4FindDbName(sqlite4 *db, const char *zName){
  int i = -1;         /* Database number */
  if( zName ){
    Db *pDb;
    int n = sqlite4Strlen30(zName);
    for(i=(db->nDb-1), pDb=&db->aDb[i]; i>=0; i--, pDb--){
      if( (!OMIT_TEMPDB || i!=1 ) && n==sqlite4Strlen30(pDb->zName) && 
          0==sqlite4StrICmp(pDb->zName, zName) ){
        break;
      }
    }
  }
  return i;
}

................................................................................
** trigger). All names are legal except those that begin with the string
** "sqlite_" (in upper, lower or mixed case). This portion of the namespace
** is reserved for internal use.
*/
int sqlite4CheckObjectName(Parse *pParse, const char *zName){
  if( !pParse->db->init.busy && pParse->nested==0 
          && (pParse->db->flags & SQLITE4_WriteSchema)==0
          && 0==sqlite4StrNICmp(zName, "sqlite_", 7) ){
    sqlite4ErrorMsg(pParse, "object name reserved for internal use: %s", zName);
    return SQLITE4_ERROR;
  }
  return SQLITE4_OK;
}

/*
................................................................................
begin_table_error:
  sqlite4DbFree(db, zName);
  return;
}

/*
** This macro is used to compare two strings in a case-insensitive manner.
** It is slightly faster than calling sqlite4StrICmp() directly, but
** produces larger code.
**
** WARNING: This macro is not compatible with the strcmp() family. It
** returns true if the two strings are equal, otherwise false.
*/
#define STRICMP(x, y) (\
sqlite4UpperToLower[*(unsigned char *)(x)]==   \
sqlite4UpperToLower[*(unsigned char *)(y)]     \
&& sqlite4StrICmp((x)+1,(y)+1)==0 )

/*
** Add a new column to the table currently being constructed.
**
** The parser calls this routine once for each column declaration
** in a CREATE TABLE statement.  sqlite4StartTable() gets called
** first to get things going.  Then this routine is called for each
................................................................................
  if( pList==0 ){
    iCol = pTab->nCol - 1;
    pTab->aCol[iCol].isPrimKey = 1;
    pTab->aCol[iCol].notNull = 1;
  }else{
    for(i=0; i<pList->nExpr; i++){
      for(iCol=0; iCol<pTab->nCol; iCol++){
        if( sqlite4StrICmp(pList->a[i].zName, pTab->aCol[iCol].zName)==0 ){
          break;
        }
      }
      if( iCol<pTab->nCol ){
        pTab->aCol[iCol].isPrimKey = i+1;
        pTab->aCol[iCol].notNull = 1;
      }
................................................................................
  }
  pPk = sqlite4CreateIndex(
     pParse, 0, 0, 0, pList, onError, 0, 0, sortOrder, 0, 1
  );

  if( iCol>=0 && iCol<pTab->nCol
   && (zType = pTab->aCol[iCol].zType)!=0
   && sqlite4StrICmp(zType, "INTEGER")==0
   && sortOrder==SQLITE4_SO_ASC
   && pPk
  ){
    pPk->fIndex |= IDX_IntPK;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= (-autoInc)&TF_Autoincrement;
  }else if( autoInc ){
................................................................................
      goto exit_drop_table;
    }
    if( sqlite4AuthCheck(pParse, SQLITE4_DELETE, pTab->zName, 0, zDb) ){
      goto exit_drop_table;
    }
  }
#endif
  if( sqlite4StrNICmp(pTab->zName, "sqlite_", 7)==0 
    && sqlite4StrNICmp(pTab->zName, "sqlite_stat", 11)!=0 ){
    sqlite4ErrorMsg(pParse, "table %s may not be dropped", pTab->zName);
    goto exit_drop_table;
  }

#ifndef SQLITE4_OMIT_VIEW
  /* Ensure DROP TABLE is not used on a view, and DROP VIEW is not used
  ** on a table.
................................................................................
  pFKey->nCol = nCol;
  if( pFromCol==0 ){
    pFKey->aCol[0].iFrom = p->nCol-1;
  }else{
    for(i=0; i<nCol; i++){
      int j;
      for(j=0; j<p->nCol; j++){
        if( sqlite4StrICmp(p->aCol[j].zName, pFromCol->a[i].zName)==0 ){
          pFKey->aCol[i].iFrom = j;
          break;
        }
      }
      if( j>=p->nCol ){
        sqlite4ErrorMsg(pParse, 
          "unknown column \"%s\" in foreign key definition", 
................................................................................
  if( !pTab || db->mallocFailed ) return 0;
  assert( db->aDb[iDb].pSchema==pTab->pSchema );
  assert( pParse->nErr==0 );

  /* TODO: We will need to reinstate this block when sqlite_master is 
  ** modified to use an implicit primary key.  */
#if 0
  if( sqlite4StrNICmp(pTab->zName, "sqlite_", 7)==0 
       && memcmp(&pTab->zName[7],"altertab_",9)!=0 ){
    sqlite4ErrorMsg(pParse, "table %s may not be indexed", pTab->zName);
    goto exit_create_index;
  }
#endif

  /* Verify that this is not an attempt to create an index on a view or
................................................................................
  */
  for(i=0, pListItem=pList->a; i<pList->nExpr; i++, pListItem++){
    const char *zColName = pListItem->zName;
    Column *pTabCol;
    char *zColl;                   /* Collation sequence name */

    for(j=0, pTabCol=pTab->aCol; j<pTab->nCol; j++, pTabCol++){
      if( sqlite4StrICmp(zColName, pTabCol->zName)==0 ) break;
    }
    if( j>=pTab->nCol ){
      sqlite4ErrorMsg(pParse, "table %s has no column named %s",
        pTab->zName, zColName);
      pParse->checkSchema = 1;
      goto exit_create_index;
    }
................................................................................
      if( pIdx->nColumn!=pIndex->nColumn ) continue;
      for(k=0; k<pIdx->nColumn; k++){
        const char *z1;
        const char *z2;
        if( pIdx->aiColumn[k]!=pIndex->aiColumn[k] ) break;
        z1 = pIdx->azColl[k];
        z2 = pIndex->azColl[k];
        if( z1!=z2 && sqlite4StrICmp(z1, z2) ) break;
      }
      if( k==pIdx->nColumn ){
        if( pIdx->onError!=pIndex->onError ){
          /* This constraint creates the same index as a previous
          ** constraint specified somewhere in the CREATE TABLE statement.
          ** However the ON CONFLICT clauses are different. If both this 
          ** constraint and the previous equivalent constraint have explicit
................................................................................
** Return the index in pList of the identifier named zId.  Return -1
** if not found.
*/
int sqlite4IdListIndex(IdList *pList, const char *zName){
  int i;
  if( pList==0 ) return -1;
  for(i=0; i<pList->nId; i++){
    if( sqlite4StrICmp(pList->a[i].zName, zName)==0 ) return i;
  }
  return -1;
}

/*
** Expand the space allocated for the given SrcList object by
** creating nExtra new slots beginning at iStart.  iStart is zero based.
................................................................................
** attached database. Otherwise, invoke it for the database named zDb only.
*/
void sqlite4CodeVerifyNamedSchema(Parse *pParse, const char *zDb){
  sqlite4 *db = pParse->db;
  int i;
  for(i=0; i<db->nDb; i++){
    Db *pDb = &db->aDb[i];
    if( pDb->pKV && (!zDb || 0==sqlite4StrICmp(zDb, pDb->zName)) ){
      sqlite4CodeVerifySchema(pParse, i);
    }
  }
}

/*
** Generate VDBE code that prepares for doing an operation that
................................................................................
#ifndef SQLITE4_OMIT_REINDEX
static int collationMatch(const char *zColl, Index *pIndex){
  int i;
  assert( zColl!=0 );
  for(i=0; i<pIndex->nColumn; i++){
    const char *z = pIndex->azColl[i];
    assert( z!=0 );
    if( 0==sqlite4StrICmp(z, zColl) ){
      return 1;
    }
  }
  return 0;
}
#endif

  int i;
  int nName;
  assert( zName!=0 );
  nName = sqlite4Strlen30(zName);
  /* All mutexes are required for schema access.  Make sure we hold them. */
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;   /* Search TEMP before MAIN */
    if( zDatabase!=0 && sqlite4_stricmp(zDatabase, db->aDb[j].zName) ) continue;
    p = sqlite4HashFind(&db->aDb[j].pSchema->tblHash, zName, nName);
    if( p ) break;
  }
  return p;
}

/*
................................................................................
  int i;
  int nName = sqlite4Strlen30(zName);
  /* All mutexes are required for schema access.  Make sure we hold them. */
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    Schema *pSchema = db->aDb[j].pSchema;
    assert( pSchema );
    if( zDb && sqlite4_stricmp(zDb, db->aDb[j].zName) ) continue;
    p = sqlite4HashFind(&pSchema->idxHash, zName, nName);
    if( p ) break;
  }
  return p;
}

/*
................................................................................
int sqlite4FindDbName(sqlite4 *db, const char *zName){
  int i = -1;         /* Database number */
  if( zName ){
    Db *pDb;
    int n = sqlite4Strlen30(zName);
    for(i=(db->nDb-1), pDb=&db->aDb[i]; i>=0; i--, pDb--){
      if( (!OMIT_TEMPDB || i!=1 ) && n==sqlite4Strlen30(pDb->zName) && 
          0==sqlite4_stricmp(pDb->zName, zName) ){
        break;
      }
    }
  }
  return i;
}

................................................................................
** trigger). All names are legal except those that begin with the string
** "sqlite_" (in upper, lower or mixed case). This portion of the namespace
** is reserved for internal use.
*/
int sqlite4CheckObjectName(Parse *pParse, const char *zName){
  if( !pParse->db->init.busy && pParse->nested==0 
          && (pParse->db->flags & SQLITE4_WriteSchema)==0
          && 0==sqlite4_strnicmp(zName, "sqlite_", 7) ){
    sqlite4ErrorMsg(pParse, "object name reserved for internal use: %s", zName);
    return SQLITE4_ERROR;
  }
  return SQLITE4_OK;
}

/*
................................................................................
begin_table_error:
  sqlite4DbFree(db, zName);
  return;
}

/*
** This macro is used to compare two strings in a case-insensitive manner.
** It is slightly faster than calling sqlite4_stricmp() directly, but
** produces larger code.
**
** WARNING: This macro is not compatible with the strcmp() family. It
** returns true if the two strings are equal, otherwise false.
*/
#define STRICMP(x, y) (\
sqlite4UpperToLower[*(unsigned char *)(x)]==   \
sqlite4UpperToLower[*(unsigned char *)(y)]     \
&& sqlite4_stricmp((x)+1,(y)+1)==0 )

/*
** Add a new column to the table currently being constructed.
**
** The parser calls this routine once for each column declaration
** in a CREATE TABLE statement.  sqlite4StartTable() gets called
** first to get things going.  Then this routine is called for each
................................................................................
  if( pList==0 ){
    iCol = pTab->nCol - 1;
    pTab->aCol[iCol].isPrimKey = 1;
    pTab->aCol[iCol].notNull = 1;
  }else{
    for(i=0; i<pList->nExpr; i++){
      for(iCol=0; iCol<pTab->nCol; iCol++){
        if( sqlite4_stricmp(pList->a[i].zName, pTab->aCol[iCol].zName)==0 ){
          break;
        }
      }
      if( iCol<pTab->nCol ){
        pTab->aCol[iCol].isPrimKey = i+1;
        pTab->aCol[iCol].notNull = 1;
      }
................................................................................
  }
  pPk = sqlite4CreateIndex(
     pParse, 0, 0, 0, pList, onError, 0, 0, sortOrder, 0, 1
  );

  if( iCol>=0 && iCol<pTab->nCol
   && (zType = pTab->aCol[iCol].zType)!=0
   && sqlite4_stricmp(zType, "INTEGER")==0
   && sortOrder==SQLITE4_SO_ASC
   && pPk
  ){
    pPk->fIndex |= IDX_IntPK;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= (-autoInc)&TF_Autoincrement;
  }else if( autoInc ){
................................................................................
      goto exit_drop_table;
    }
    if( sqlite4AuthCheck(pParse, SQLITE4_DELETE, pTab->zName, 0, zDb) ){
      goto exit_drop_table;
    }
  }
#endif
  if( sqlite4_strnicmp(pTab->zName, "sqlite_", 7)==0 
    && sqlite4_strnicmp(pTab->zName, "sqlite_stat", 11)!=0 ){
    sqlite4ErrorMsg(pParse, "table %s may not be dropped", pTab->zName);
    goto exit_drop_table;
  }

#ifndef SQLITE4_OMIT_VIEW
  /* Ensure DROP TABLE is not used on a view, and DROP VIEW is not used
  ** on a table.
................................................................................
  pFKey->nCol = nCol;
  if( pFromCol==0 ){
    pFKey->aCol[0].iFrom = p->nCol-1;
  }else{
    for(i=0; i<nCol; i++){
      int j;
      for(j=0; j<p->nCol; j++){
        if( sqlite4_stricmp(p->aCol[j].zName, pFromCol->a[i].zName)==0 ){
          pFKey->aCol[i].iFrom = j;
          break;
        }
      }
      if( j>=p->nCol ){
        sqlite4ErrorMsg(pParse, 
          "unknown column \"%s\" in foreign key definition", 
................................................................................
  if( !pTab || db->mallocFailed ) return 0;
  assert( db->aDb[iDb].pSchema==pTab->pSchema );
  assert( pParse->nErr==0 );

  /* TODO: We will need to reinstate this block when sqlite_master is 
  ** modified to use an implicit primary key.  */
#if 0
  if( sqlite4_strnicmp(pTab->zName, "sqlite_", 7)==0 
       && memcmp(&pTab->zName[7],"altertab_",9)!=0 ){
    sqlite4ErrorMsg(pParse, "table %s may not be indexed", pTab->zName);
    goto exit_create_index;
  }
#endif

  /* Verify that this is not an attempt to create an index on a view or
................................................................................
  */
  for(i=0, pListItem=pList->a; i<pList->nExpr; i++, pListItem++){
    const char *zColName = pListItem->zName;
    Column *pTabCol;
    char *zColl;                   /* Collation sequence name */

    for(j=0, pTabCol=pTab->aCol; j<pTab->nCol; j++, pTabCol++){
      if( sqlite4_stricmp(zColName, pTabCol->zName)==0 ) break;
    }
    if( j>=pTab->nCol ){
      sqlite4ErrorMsg(pParse, "table %s has no column named %s",
        pTab->zName, zColName);
      pParse->checkSchema = 1;
      goto exit_create_index;
    }
................................................................................
      if( pIdx->nColumn!=pIndex->nColumn ) continue;
      for(k=0; k<pIdx->nColumn; k++){
        const char *z1;
        const char *z2;
        if( pIdx->aiColumn[k]!=pIndex->aiColumn[k] ) break;
        z1 = pIdx->azColl[k];
        z2 = pIndex->azColl[k];
        if( z1!=z2 && sqlite4_stricmp(z1, z2) ) break;
      }
      if( k==pIdx->nColumn ){
        if( pIdx->onError!=pIndex->onError ){
          /* This constraint creates the same index as a previous
          ** constraint specified somewhere in the CREATE TABLE statement.
          ** However the ON CONFLICT clauses are different. If both this 
          ** constraint and the previous equivalent constraint have explicit
................................................................................
** Return the index in pList of the identifier named zId.  Return -1
** if not found.
*/
int sqlite4IdListIndex(IdList *pList, const char *zName){
  int i;
  if( pList==0 ) return -1;
  for(i=0; i<pList->nId; i++){
    if( sqlite4_stricmp(pList->a[i].zName, zName)==0 ) return i;
  }
  return -1;
}

/*
** Expand the space allocated for the given SrcList object by
** creating nExtra new slots beginning at iStart.  iStart is zero based.
................................................................................
** attached database. Otherwise, invoke it for the database named zDb only.
*/
void sqlite4CodeVerifyNamedSchema(Parse *pParse, const char *zDb){
  sqlite4 *db = pParse->db;
  int i;
  for(i=0; i<db->nDb; i++){
    Db *pDb = &db->aDb[i];
    if( pDb->pKV && (!zDb || 0==sqlite4_stricmp(zDb, pDb->zName)) ){
      sqlite4CodeVerifySchema(pParse, i);
    }
  }
}

/*
** Generate VDBE code that prepares for doing an operation that
................................................................................
#ifndef SQLITE4_OMIT_REINDEX
static int collationMatch(const char *zColl, Index *pIndex){
  int i;
  assert( zColl!=0 );
  for(i=0; i<pIndex->nColumn; i++){
    const char *z = pIndex->azColl[i];
    assert( z!=0 );
    if( 0==sqlite4_stricmp(z, zColl) ){
      return 1;
    }
  }
  return 0;
}
#endif

  FuncDefTable *pFuncTab,  /* Lookup table to search */
  const char *zFunc,       /* Name of function */
  int nFunc                /* Number of bytes in zFunc */
){
  FuncDef *p;
  if( nFunc<0 ) nFunc = sqlite4Strlen30(zFunc);
  for(p=pFuncTab->pFirst; p; p=p->pNextName){
    if( sqlite4StrNICmp(p->zName, zFunc, nFunc)==0 && p->zName[nFunc]==0 ){
      return p;
    }
  }
  return 0;
}

/*
................................................................................
  assert( pDef->pSameName==0 || isBuiltIn );
  assert( pDef->pNextName==0 || isBuiltIn );
  if( pFuncTab->pFirst==0 ){
    pFuncTab->pFirst = pDef;
    pFuncTab->pLast = pDef;
    pFuncTab->pSame = pDef;
  }else if( isBuiltIn
            && sqlite4StrICmp(pDef->zName, pFuncTab->pLast->zName)==0 ){
    assert( pFuncTab->pSame->pSameName==0 || pFuncTab->pSame->pSameName==pDef );
    pFuncTab->pSame->pSameName = pDef;
    pFuncTab->pSame = pDef;
  }else if( !isBuiltIn && (pOther=functionSearch(pFuncTab,pDef->zName,-1))!=0 ){
    pDef->pSameName = pOther->pSameName;
    pOther->pSameName = pDef;
  }else{

  FuncDefTable *pFuncTab,  /* Lookup table to search */
  const char *zFunc,       /* Name of function */
  int nFunc                /* Number of bytes in zFunc */
){
  FuncDef *p;
  if( nFunc<0 ) nFunc = sqlite4Strlen30(zFunc);
  for(p=pFuncTab->pFirst; p; p=p->pNextName){
    if( sqlite4_strnicmp(p->zName, zFunc, nFunc)==0 && p->zName[nFunc]==0 ){
      return p;
    }
  }
  return 0;
}

/*
................................................................................
  assert( pDef->pSameName==0 || isBuiltIn );
  assert( pDef->pNextName==0 || isBuiltIn );
  if( pFuncTab->pFirst==0 ){
    pFuncTab->pFirst = pDef;
    pFuncTab->pLast = pDef;
    pFuncTab->pSame = pDef;
  }else if( isBuiltIn
            && sqlite4_stricmp(pDef->zName, pFuncTab->pLast->zName)==0 ){
    assert( pFuncTab->pSame->pSameName==0 || pFuncTab->pSame->pSameName==pDef );
    pFuncTab->pSame->pSameName = pDef;
    pFuncTab->pSame = pDef;
  }else if( !isBuiltIn && (pOther=functionSearch(pFuncTab,pDef->zName,-1))!=0 ){
    pDef->pSameName = pOther->pSameName;
    pOther->pSameName = pDef;
  }else{

          int nId;
          for(nId=1; IdChar(zSql[nId]); nId++){}
#ifdef SQLITE4_OMIT_TRIGGER
          token = tkOTHER;
#else
          switch( *zSql ){
            case 'c': case 'C': {
              if( nId==6 && sqlite4StrNICmp(zSql, "create", 6)==0 ){
                token = tkCREATE;
              }else{
                token = tkOTHER;
              }
              break;
            }
            case 't': case 'T': {
              if( nId==7 && sqlite4StrNICmp(zSql, "trigger", 7)==0 ){
                token = tkTRIGGER;
              }else if( nId==4 && sqlite4StrNICmp(zSql, "temp", 4)==0 ){
                token = tkTEMP;
              }else if( nId==9 && sqlite4StrNICmp(zSql, "temporary", 9)==0 ){
                token = tkTEMP;
              }else{
                token = tkOTHER;
              }
              break;
            }
            case 'e':  case 'E': {
              if( nId==3 && sqlite4StrNICmp(zSql, "end", 3)==0 ){
                token = tkEND;
              }else
#ifndef SQLITE4_OMIT_EXPLAIN
              if( nId==7 && sqlite4StrNICmp(zSql, "explain", 7)==0 ){
                token = tkEXPLAIN;
              }else
#endif
              {
                token = tkOTHER;
              }
              break;

          int nId;
          for(nId=1; IdChar(zSql[nId]); nId++){}
#ifdef SQLITE4_OMIT_TRIGGER
          token = tkOTHER;
#else
          switch( *zSql ){
            case 'c': case 'C': {
              if( nId==6 && sqlite4_strnicmp(zSql, "create", 6)==0 ){
                token = tkCREATE;
              }else{
                token = tkOTHER;
              }
              break;
            }
            case 't': case 'T': {
              if( nId==7 && sqlite4_strnicmp(zSql, "trigger", 7)==0 ){
                token = tkTRIGGER;
              }else if( nId==4 && sqlite4_strnicmp(zSql, "temp", 4)==0 ){
                token = tkTEMP;
              }else if( nId==9 && sqlite4_strnicmp(zSql, "temporary", 9)==0 ){
                token = tkTEMP;
              }else{
                token = tkOTHER;
              }
              break;
            }
            case 'e':  case 'E': {
              if( nId==3 && sqlite4_strnicmp(zSql, "end", 3)==0 ){
                token = tkEND;
              }else
#ifndef SQLITE4_OMIT_EXPLAIN
              if( nId==7 && sqlite4_strnicmp(zSql, "explain", 7)==0 ){
                token = tkEXPLAIN;
              }else
#endif
              {
                token = tkOTHER;
              }
              break;

** was used and false if not.
**
** The name can optionally begin with "SQLITE4_" but the "SQLITE4_" prefix
** is not required for a match.
*/
int sqlite4_compileoption_used(const char *zOptName){
  int i, n;
  if( sqlite4StrNICmp(zOptName, "SQLITE4_", 8)==0 ) zOptName += 8;
  n = sqlite4Strlen30(zOptName);

  /* Since ArraySize(azCompileOpt) is normally in single digits, a
  ** linear search is adequate.  No need for a binary search. */
  for(i=0; i<ArraySize(azCompileOpt); i++){
    if(   (sqlite4StrNICmp(zOptName, azCompileOpt[i], n)==0)
       && ( (azCompileOpt[i][n]==0) || (azCompileOpt[i][n]=='=') ) ) return 1;
  }
  return 0;
}

/*
** Return the N-th compile-time option string.  If N is out of range,

** was used and false if not.
**
** The name can optionally begin with "SQLITE4_" but the "SQLITE4_" prefix
** is not required for a match.
*/
int sqlite4_compileoption_used(const char *zOptName){
  int i, n;
  if( sqlite4_strnicmp(zOptName, "SQLITE4_", 8)==0 ) zOptName += 8;
  n = sqlite4Strlen30(zOptName);

  /* Since ArraySize(azCompileOpt) is normally in single digits, a
  ** linear search is adequate.  No need for a binary search. */
  for(i=0; i<ArraySize(azCompileOpt); i++){
    if(   (sqlite4_strnicmp(zOptName, azCompileOpt[i], n)==0)
       && ( (azCompileOpt[i][n]==0) || (azCompileOpt[i][n]=='=') ) ) return 1;
  }
  return 0;
}

/*
** Return the N-th compile-time option string.  If N is out of range,

  DateTime *p
){
  double r;
  if( parseYyyyMmDd(zDate,p)==0 ){
    return 0;
  }else if( parseHhMmSs(zDate, p)==0 ){
    return 0;
  }else if( sqlite4StrICmp(zDate,"now")==0){
    return setDateTimeToCurrent(context, p);
  }else if( sqlite4AtoF(zDate, &r, sqlite4Strlen30(zDate), SQLITE4_UTF8) ){
    p->iJD = (sqlite4_int64)(r*86400000.0 + 0.5);
    p->validJD = 1;
    return 0;
  }
  return 1;

  DateTime *p
){
  double r;
  if( parseYyyyMmDd(zDate,p)==0 ){
    return 0;
  }else if( parseHhMmSs(zDate, p)==0 ){
    return 0;
  }else if( sqlite4_stricmp(zDate,"now")==0){
    return setDateTimeToCurrent(context, p);
  }else if( sqlite4AtoF(zDate, &r, sqlite4Strlen30(zDate), SQLITE4_UTF8) ){
    p->iJD = (sqlite4_int64)(r*86400000.0 + 0.5);
    p->validJD = 1;
    return 0;
  }
  return 1;

          /* If the index uses a collation sequence that is different from
          ** the default collation sequence for the column, this index is
          ** unusable. Bail out early in this case.  */
          zDfltColl = pParent->aCol[iCol].zColl;
          if( !zDfltColl ){
            zDfltColl = "BINARY";
          }
          if( sqlite4StrICmp(pIdx->azColl[i], zDfltColl) ) break;

          zIdxCol = pParent->aCol[iCol].zName;
          for(j=0; j<nCol; j++){
            if( sqlite4StrICmp(pFKey->aCol[j].zCol, zIdxCol)==0 ){
              if( aiCol ) aiCol[i] = pFKey->aCol[j].iFrom;
              break;
            }
          }
          if( j==nCol ) break;
        }
        if( i==nCol ) break;      /* pIdx is usable */
................................................................................
      /* Check if any parent key columns are being modified. */
      for(p=sqlite4FkReferences(pTab); p; p=p->pNextTo){
        for(i=0; i<p->nCol; i++){
          char *zKey = p->aCol[i].zCol;
          int iKey;
          for(iKey=0; iKey<pTab->nCol; iKey++){
            Column *pCol = &pTab->aCol[iKey];
            if( (zKey ? !sqlite4StrICmp(pCol->zName, zKey) : pCol->isPrimKey) ){
              if( aChange[iKey]>=0 ) return 1;
            }
          }
        }
      }
    }
  }

          /* If the index uses a collation sequence that is different from
          ** the default collation sequence for the column, this index is
          ** unusable. Bail out early in this case.  */
          zDfltColl = pParent->aCol[iCol].zColl;
          if( !zDfltColl ){
            zDfltColl = "BINARY";
          }
          if( sqlite4_stricmp(pIdx->azColl[i], zDfltColl) ) break;

          zIdxCol = pParent->aCol[iCol].zName;
          for(j=0; j<nCol; j++){
            if( sqlite4_stricmp(pFKey->aCol[j].zCol, zIdxCol)==0 ){
              if( aiCol ) aiCol[i] = pFKey->aCol[j].iFrom;
              break;
            }
          }
          if( j==nCol ) break;
        }
        if( i==nCol ) break;      /* pIdx is usable */
................................................................................
      /* Check if any parent key columns are being modified. */
      for(p=sqlite4FkReferences(pTab); p; p=p->pNextTo){
        for(i=0; i<p->nCol; i++){
          char *zKey = p->aCol[i].zCol;
          int iKey;
          for(iKey=0; iKey<pTab->nCol; iKey++){
            Column *pCol = &pTab->aCol[iKey];
            if( (zKey ? !sqlite4_stricmp(pCol->zName, zKey) : pCol->isPrimKey) ){
              if( aChange[iKey]>=0 ) return 1;
            }
          }
        }
      }
    }
  }

    }
    pPhrase->iCol = -1;

    /* Check if this first primitive is a column name or not. */
    if( pParse->next.eType==TOKEN_COLON ){
      int iCol;
      for(iCol=0; iCol<pParse->nCol; iCol++){
        if( sqlite4StrNICmp(pParse->azCol[iCol], t.z, t.n)==0 ) break;
      }
      if( iCol==pParse->nCol ){
        pParse->zErr = sqlite4MPrintf(pParse->db, 
            "fts5: no such column: %.*s", t.n, t.z
        );
        rc = SQLITE4_ERROR;
        goto token_or_phrase_out;
................................................................................
/*
** Search for the Fts5Tokenizer object named zName. Return a pointer to it
** if it exists, or NULL otherwise.
*/
static Fts5Tokenizer *fts5FindTokenizer(sqlite4 *db, const char *zName){
  Fts5Tokenizer *p;
  for(p=db->pTokenizer; p; p=p->pNext){
    if( 0==sqlite4StrICmp(zName, p->zName) ) break;
  }
  return p;
}

static void fts5TokenizerCreate(
  Parse *pParse, 
  Fts5Index *pFts, 
................................................................................

  if( pArgs ){
    int i;
    for(i=0; pParse->nErr==0 && i<pArgs->nExpr; i++){
      char *zArg = pArgs->a[i].zName;
      char *zVal = pArgs->a[i].pExpr->u.zToken;

      if( zArg && sqlite4StrICmp(zArg, "tokenizer")==0 ){
        /* zVal is the name of the tokenizer to use. Any subsequent arguments
         ** that do not contain assignment operators (=) are also passed to
         ** the tokenizer. Figure out how many bytes of space are required for
         ** all.  */
        int j;
        char *pSpace;
        int nByte = sqlite4Strlen30(zVal) + 1;

    }
    pPhrase->iCol = -1;

    /* Check if this first primitive is a column name or not. */
    if( pParse->next.eType==TOKEN_COLON ){
      int iCol;
      for(iCol=0; iCol<pParse->nCol; iCol++){
        if( sqlite4_strnicmp(pParse->azCol[iCol], t.z, t.n)==0 ) break;
      }
      if( iCol==pParse->nCol ){
        pParse->zErr = sqlite4MPrintf(pParse->db, 
            "fts5: no such column: %.*s", t.n, t.z
        );
        rc = SQLITE4_ERROR;
        goto token_or_phrase_out;
................................................................................
/*
** Search for the Fts5Tokenizer object named zName. Return a pointer to it
** if it exists, or NULL otherwise.
*/
static Fts5Tokenizer *fts5FindTokenizer(sqlite4 *db, const char *zName){
  Fts5Tokenizer *p;
  for(p=db->pTokenizer; p; p=p->pNext){
    if( 0==sqlite4_stricmp(zName, p->zName) ) break;
  }
  return p;
}

static void fts5TokenizerCreate(
  Parse *pParse, 
  Fts5Index *pFts, 
................................................................................

  if( pArgs ){
    int i;
    for(i=0; pParse->nErr==0 && i<pArgs->nExpr; i++){
      char *zArg = pArgs->a[i].zName;
      char *zVal = pArgs->a[i].pExpr->u.zToken;

      if( zArg && sqlite4_stricmp(zArg, "tokenizer")==0 ){
        /* zVal is the name of the tokenizer to use. Any subsequent arguments
         ** that do not contain assignment operators (=) are also passed to
         ** the tokenizer. Figure out how many bytes of space are required for
         ** all.  */
        int j;
        char *pSpace;
        int nByte = sqlite4Strlen30(zVal) + 1;

    h = (h<<3) ^ h ^ sqlite4UpperToLower[(unsigned char)*z++];
    nKey--;
  }
  return h;
}

static int strCmp(const char *z1, const char *z2, int n){
  return sqlite4StrNICmp(z1, z2, n);
}

static unsigned int binHash(const char *z, int nKey){
  int h = 0;
  assert( nKey>=0 );
  while( nKey > 0  ){
    h = (h<<3) ^ h ^ ((unsigned char)*z++);

    h = (h<<3) ^ h ^ sqlite4UpperToLower[(unsigned char)*z++];
    nKey--;
  }
  return h;
}

static int strCmp(const char *z1, const char *z2, int n){
  return sqlite4_strnicmp(z1, z2, n);
}

static unsigned int binHash(const char *z, int nKey){
  int h = 0;
  assert( nKey>=0 );
  while( nKey > 0  ){
    h = (h<<3) ^ h ^ ((unsigned char)*z++);

  if( pColumn ){
    for(i=0; i<pColumn->nId; i++){
      pColumn->a[i].idx = -1;
    }
    for(i=0; i<pColumn->nId; i++){
      char *zTest = pColumn->a[i].zName;
      for(j=0; j<pTab->nCol; j++){
        if( sqlite4StrICmp(zTest, pTab->aCol[j].zName)==0 ){
          pColumn->a[i].idx = j;
          break;
        }
      }
      if( j==pTab->nCol ){
        sqlite4ErrorMsg(pParse, "table %S has no column named %s",
              pTabList, 0, pColumn->a[i].zName);
................................................................................
static int xferCompatibleCollation(const char *z1, const char *z2){
  if( z1==0 ){
    return z2==0;
  }
  if( z2==0 ){
    return 0;
  }
  return sqlite4StrICmp(z1, z2)==0;
}


/*
** Check to see if index pSrc is compatible as a source of data
** for index pDest in an insert transfer optimization.  The rules
** for a compatible index:

  if( pColumn ){
    for(i=0; i<pColumn->nId; i++){
      pColumn->a[i].idx = -1;
    }
    for(i=0; i<pColumn->nId; i++){
      char *zTest = pColumn->a[i].zName;
      for(j=0; j<pTab->nCol; j++){
        if( sqlite4_stricmp(zTest, pTab->aCol[j].zName)==0 ){
          pColumn->a[i].idx = j;
          break;
        }
      }
      if( j==pTab->nCol ){
        sqlite4ErrorMsg(pParse, "table %S has no column named %s",
              pTabList, 0, pColumn->a[i].zName);
................................................................................
static int xferCompatibleCollation(const char *z1, const char *z2){
  if( z1==0 ){
    return z2==0;
  }
  if( z2==0 ){
    return 0;
  }
  return sqlite4_stricmp(z1, z2)==0;
}


/*
** Check to see if index pSrc is compatible as a source of data
** for index pDest in an insert transfer optimization.  The rules
** for a compatible index:

  int i;

  sqlite4_mutex_enter(db->mutex);

  /* Find the named key-value store */
  for(i=0; i<db->nDb; i++){
    Db *pDb = &db->aDb[i];
    if( pDb->pKV && (0==zDbName || 0==sqlite4StrICmp(zDbName, pDb->zName)) ){
      pKV = pDb->pKV;
      break;
    }
  }

  /* If the named key-value store was located, invoke its xControl() method. */
  if( pKV ){

  int i;

  sqlite4_mutex_enter(db->mutex);

  /* Find the named key-value store */
  for(i=0; i<db->nDb; i++){
    Db *pDb = &db->aDb[i];
    if( pDb->pKV && (0==zDbName || 0==sqlite4_stricmp(zDbName, pDb->zName)) ){
      pKV = pDb->pKV;
      break;
    }
  }

  /* If the named key-value store was located, invoke its xControl() method. */
  if( pKV ){

  static const u8 iValue[] =  {1, 0, 0, 0, 1, 1};
  int i, n;
  if( sqlite4Isdigit(*z) ){
    return (u8)sqlite4Atoi(z);
  }
  n = sqlite4Strlen30(z);
  for(i=0; i<ArraySize(iLength); i++){
    if( iLength[i]==n && sqlite4StrNICmp(&zText[iOffset[i]],z,n)==0 ){
      return iValue[i];
    }
  }
  return 1;
}

/* The sqlite4GetBoolean() function is used by other modules but the
................................................................................
#if !defined(SQLITE4_OMIT_FOREIGN_KEY) && !defined(SQLITE4_OMIT_TRIGGER)
    { "foreign_keys",             SQLITE4_ForeignKeys },
#endif
  };
  int i, j;
  const struct sPragmaType *p;
  for(i=0, p=aPragma; i<ArraySize(aPragma); i++, p++){
    if( sqlite4StrICmp(zLeft, p->zName)==0 ){
      sqlite4 *db = pParse->db;
      Vdbe *v;
      v = sqlite4GetVdbe(pParse);
      assert( v!=0 );  /* Already allocated by sqlite4Pragma() */
      if( ALWAYS(v) ){
        if( zRight==0 ){
          returnSingleInt(pParse, p->zName, (db->flags & p->mask)!=0 );
................................................................................
#ifndef SQLITE4_OMIT_FLAG_PRAGMAS
  if( flagPragma(pParse, zLeft, zRight) ){
    /* The flagPragma() subroutine also generates any necessary code
    ** there is nothing more to do here */
  }else
#endif /* SQLITE4_OMIT_FLAG_PRAGMAS */

  if( sqlite4StrICmp(zLeft, "lsm_flush")==0 ){
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_FLUSH, 0);
  }else

  if( sqlite4StrICmp(zLeft, "lsm_checkpoint")==0 ){
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_CHECKPOINT, 0);
  }else

  if( sqlite4StrICmp(zLeft, "lsm_merge")==0 ){
    int nPage = zRight ? sqlite4Atoi(zRight) : 1000;
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_MERGE, &nPage);
    returnSingleInt(pParse, "nWrite", (sqlite4_int64)nPage);
  }else

  /*
  **   PRAGMA fts_check(<index>)
  */
  if( sqlite4StrICmp(zLeft, "fts_check")==0 && zRight ){
    int iCksum1;
    int iCksum2;
    Index *pIdx;
    Table *pTab;
    Vdbe *v = sqlite4GetVdbe(pParse);
    if( v==0 || sqlite4ReadSchema(pParse) ) goto pragma_out;

................................................................................
  **
  ** cid:        Column id (numbered from left to right, starting at 0)
  ** name:       Column name
  ** type:       Column declaration type.
  ** notnull:    True if 'NOT NULL' is part of column declaration
  ** dflt_value: The default value for the column, if any.
  */
  if( sqlite4StrICmp(zLeft, "table_info")==0 && zRight ){
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      int i;
      int nHidden = 0;
      Column *pCol;
................................................................................
        }
        sqlite4VdbeAddOp2(v, OP_Integer, pCol->isPrimKey, 6);
        sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }else

  if( sqlite4StrICmp(zLeft, "index_info")==0 && zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pIdx = sqlite4FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      pTab = pIdx->pTable;
................................................................................
        assert( pTab->nCol>cnum );
        sqlite4VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);
        sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }else

  if( sqlite4StrICmp(zLeft, "index_list")==0 && zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite4GetVdbe(pParse);
      pIdx = pTab->pIndex;
................................................................................
          ++i;
          pIdx = pIdx->pNext;
        }
      }
    }
  }else

  if( sqlite4StrICmp(zLeft, "database_list")==0 ){
    int i;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    sqlite4VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 2, COLNAME_NAME, "file", SQLITE4_STATIC);
................................................................................
      sqlite4VdbeAddOp4(v, OP_String8, 0, 2, 0, db->aDb[i].zName, 0);
      sqlite4VdbeAddOp4(v, OP_String8, 0, 3, 0,
                           "filename", 0);
      sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 3);
    }
  }else

  if( sqlite4StrICmp(zLeft, "collation_list")==0 ){
    int i = 0;
    HashElem *p;
    sqlite4VdbeSetNumCols(v, 2);
    pParse->nMem = 2;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE4_STATIC);
    for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){
................................................................................
      sqlite4VdbeAddOp4(v, OP_String8, 0, 2, 0, pColl->zName, 0);
      sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 2);
    }
  }else
#endif /* SQLITE4_OMIT_SCHEMA_PRAGMAS */

#ifndef SQLITE4_OMIT_FOREIGN_KEY
  if( sqlite4StrICmp(zLeft, "foreign_key_list")==0 && zRight ){
    FKey *pFK;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite4GetVdbe(pParse);
      pFK = pTab->pFKey;
................................................................................
        }
      }
    }
  }else
#endif /* !defined(SQLITE4_OMIT_FOREIGN_KEY) */

#ifndef NDEBUG
  if( sqlite4StrICmp(zLeft, "parser_trace")==0 ){
    if( zRight ){
      if( sqlite4GetBoolean(zRight) ){
        sqlite4ParserTrace(stderr, "parser: ");
      }else{
        sqlite4ParserTrace(0, 0);
      }
    }
  }else
#endif

  /* Reinstall the LIKE and GLOB functions.  The variant of LIKE
  ** used will be case sensitive or not depending on the RHS.
  */
  if( sqlite4StrICmp(zLeft, "case_sensitive_like")==0 ){
    if( zRight ){
      sqlite4RegisterLikeFunctions(db, sqlite4GetBoolean(zRight));
    }
  }else

#ifndef SQLITE4_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE4_INTEGRITY_CHECK_ERROR_MAX 100
................................................................................
  ** the main database has not been initialized and/or created when ATTACH
  ** is executed, this is done before the ATTACH operation.
  **
  ** In the second form this pragma sets the text encoding to be used in
  ** new database files created using this database handle. It is only
  ** useful if invoked immediately after the main database i
  */
  if( sqlite4StrICmp(zLeft, "encoding")==0 ){
    static const struct EncName {
      char *zName;
      u8 enc;
    } encnames[] = {
      { "UTF8",     SQLITE4_UTF8        },
      { "UTF-8",    SQLITE4_UTF8        },  /* Must be element [1] */
      { "UTF-16le", SQLITE4_UTF16LE     },  /* Must be element [2] */
................................................................................
      ** already exists, it will be created to use the new encoding value.
      */
      if( 
        !(DbHasProperty(db, 0, DB_SchemaLoaded)) || 
        DbHasProperty(db, 0, DB_Empty) 
      ){
        for(pEnc=&encnames[0]; pEnc->zName; pEnc++){
          if( 0==sqlite4StrICmp(zRight, pEnc->zName) ){
            ENC(pParse->db) = pEnc->enc ? pEnc->enc : SQLITE4_UTF16NATIVE;
            break;
          }
        }
        if( !pEnc->zName ){
          sqlite4ErrorMsg(pParse, "unsupported encoding: %s", zRight);
        }
................................................................................
#ifndef SQLITE4_OMIT_COMPILEOPTION_DIAGS
  /*
  **   PRAGMA compile_options
  **
  ** Return the names of all compile-time options used in this build,
  ** one option per row.
  */
  if( sqlite4StrICmp(zLeft, "compile_options")==0 ){
    int i = 0;
    const char *zOpt;
    sqlite4VdbeSetNumCols(v, 1);
    pParse->nMem = 1;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "compile_option", SQLITE4_STATIC);
    while( (zOpt = sqlite4_compileoption_get(i++))!=0 ){
      sqlite4VdbeAddOp4(v, OP_String8, 0, 1, 0, zOpt, 0);
................................................................................

#ifdef SQLITE4_DEBUG
  /*
  **   PRAGMA kvdump
  **
  ** Print an ascii rendering of the complete content of the database file.
  */
  if( sqlite4StrICmp(zLeft, "kvdump")==0 ){
    sqlite4KVStoreDump(db->aDb[0].pKV);
  }else
#endif /* SQLITE4_OMIT_COMPILEOPTION_DIAGS */
  /*
  **   PRAGMA integrity_check
  **
  ** Check that for each table, the content of any auxilliary indexes are 
  ** consistent with the primary key index.
  */
  if( sqlite4StrICmp(zLeft, "integrity_check")==0 ){
    const int baseCsr = 1;        /* Base cursor for OpenAllIndexes() call */

    const int regErrcnt = 1;      /* Register containing error count */
    const int regErrstr = 2;      /* Register containing error string */
    const int regTmp = 3;         /* Register for tmp use */
    const int regRowcnt1 = 4;     /* Register containing row count (from PK) */
    const int regRowcnt2 = 5;     /* Register containing error count */
................................................................................

  /*
  **  PRAGMA shrink_memory
  **
  ** This pragma attempts to free as much memory as possible from the
  ** current database connection.
  */
  if( sqlite4StrICmp(zLeft, "shrink_memory")==0 ){
    sqlite4_db_release_memory(db);
  }else

 
  {/* Empty ELSE clause */}
pragma_out:
  sqlite4DbFree(db, zLeft);
  sqlite4DbFree(db, zRight);
}

#endif /* SQLITE4_OMIT_PRAGMA */

  static const u8 iValue[] =  {1, 0, 0, 0, 1, 1};
  int i, n;
  if( sqlite4Isdigit(*z) ){
    return (u8)sqlite4Atoi(z);
  }
  n = sqlite4Strlen30(z);
  for(i=0; i<ArraySize(iLength); i++){
    if( iLength[i]==n && sqlite4_strnicmp(&zText[iOffset[i]],z,n)==0 ){
      return iValue[i];
    }
  }
  return 1;
}

/* The sqlite4GetBoolean() function is used by other modules but the
................................................................................
#if !defined(SQLITE4_OMIT_FOREIGN_KEY) && !defined(SQLITE4_OMIT_TRIGGER)
    { "foreign_keys",             SQLITE4_ForeignKeys },
#endif
  };
  int i, j;
  const struct sPragmaType *p;
  for(i=0, p=aPragma; i<ArraySize(aPragma); i++, p++){
    if( sqlite4_stricmp(zLeft, p->zName)==0 ){
      sqlite4 *db = pParse->db;
      Vdbe *v;
      v = sqlite4GetVdbe(pParse);
      assert( v!=0 );  /* Already allocated by sqlite4Pragma() */
      if( ALWAYS(v) ){
        if( zRight==0 ){
          returnSingleInt(pParse, p->zName, (db->flags & p->mask)!=0 );
................................................................................
#ifndef SQLITE4_OMIT_FLAG_PRAGMAS
  if( flagPragma(pParse, zLeft, zRight) ){
    /* The flagPragma() subroutine also generates any necessary code
    ** there is nothing more to do here */
  }else
#endif /* SQLITE4_OMIT_FLAG_PRAGMAS */

  if( sqlite4_stricmp(zLeft, "lsm_flush")==0 ){
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_FLUSH, 0);
  }else

  if( sqlite4_stricmp(zLeft, "lsm_checkpoint")==0 ){
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_CHECKPOINT, 0);
  }else

  if( sqlite4_stricmp(zLeft, "lsm_merge")==0 ){
    int nPage = zRight ? sqlite4Atoi(zRight) : 1000;
    sqlite4_kvstore_control(db, zDb, SQLITE4_KVCTRL_LSM_MERGE, &nPage);
    returnSingleInt(pParse, "nWrite", (sqlite4_int64)nPage);
  }else

  /*
  **   PRAGMA fts_check(<index>)
  */
  if( sqlite4_stricmp(zLeft, "fts_check")==0 && zRight ){
    int iCksum1;
    int iCksum2;
    Index *pIdx;
    Table *pTab;
    Vdbe *v = sqlite4GetVdbe(pParse);
    if( v==0 || sqlite4ReadSchema(pParse) ) goto pragma_out;

................................................................................
  **
  ** cid:        Column id (numbered from left to right, starting at 0)
  ** name:       Column name
  ** type:       Column declaration type.
  ** notnull:    True if 'NOT NULL' is part of column declaration
  ** dflt_value: The default value for the column, if any.
  */
  if( sqlite4_stricmp(zLeft, "table_info")==0 && zRight ){
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      int i;
      int nHidden = 0;
      Column *pCol;
................................................................................
        }
        sqlite4VdbeAddOp2(v, OP_Integer, pCol->isPrimKey, 6);
        sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 6);
      }
    }
  }else

  if( sqlite4_stricmp(zLeft, "index_info")==0 && zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pIdx = sqlite4FindIndex(db, zRight, zDb);
    if( pIdx ){
      int i;
      pTab = pIdx->pTable;
................................................................................
        assert( pTab->nCol>cnum );
        sqlite4VdbeAddOp4(v, OP_String8, 0, 3, 0, pTab->aCol[cnum].zName, 0);
        sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 3);
      }
    }
  }else

  if( sqlite4_stricmp(zLeft, "index_list")==0 && zRight ){
    Index *pIdx;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite4GetVdbe(pParse);
      pIdx = pTab->pIndex;
................................................................................
          ++i;
          pIdx = pIdx->pNext;
        }
      }
    }
  }else

  if( sqlite4_stricmp(zLeft, "database_list")==0 ){
    int i;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    sqlite4VdbeSetNumCols(v, 3);
    pParse->nMem = 3;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 2, COLNAME_NAME, "file", SQLITE4_STATIC);
................................................................................
      sqlite4VdbeAddOp4(v, OP_String8, 0, 2, 0, db->aDb[i].zName, 0);
      sqlite4VdbeAddOp4(v, OP_String8, 0, 3, 0,
                           "filename", 0);
      sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 3);
    }
  }else

  if( sqlite4_stricmp(zLeft, "collation_list")==0 ){
    int i = 0;
    HashElem *p;
    sqlite4VdbeSetNumCols(v, 2);
    pParse->nMem = 2;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "seq", SQLITE4_STATIC);
    sqlite4VdbeSetColName(v, 1, COLNAME_NAME, "name", SQLITE4_STATIC);
    for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){
................................................................................
      sqlite4VdbeAddOp4(v, OP_String8, 0, 2, 0, pColl->zName, 0);
      sqlite4VdbeAddOp2(v, OP_ResultRow, 1, 2);
    }
  }else
#endif /* SQLITE4_OMIT_SCHEMA_PRAGMAS */

#ifndef SQLITE4_OMIT_FOREIGN_KEY
  if( sqlite4_stricmp(zLeft, "foreign_key_list")==0 && zRight ){
    FKey *pFK;
    Table *pTab;
    if( sqlite4ReadSchema(pParse) ) goto pragma_out;
    pTab = sqlite4FindTable(db, zRight, zDb);
    if( pTab ){
      v = sqlite4GetVdbe(pParse);
      pFK = pTab->pFKey;
................................................................................
        }
      }
    }
  }else
#endif /* !defined(SQLITE4_OMIT_FOREIGN_KEY) */

#ifndef NDEBUG
  if( sqlite4_stricmp(zLeft, "parser_trace")==0 ){
    if( zRight ){
      if( sqlite4GetBoolean(zRight) ){
        sqlite4ParserTrace(stderr, "parser: ");
      }else{
        sqlite4ParserTrace(0, 0);
      }
    }
  }else
#endif

  /* Reinstall the LIKE and GLOB functions.  The variant of LIKE
  ** used will be case sensitive or not depending on the RHS.
  */
  if( sqlite4_stricmp(zLeft, "case_sensitive_like")==0 ){
    if( zRight ){
      sqlite4RegisterLikeFunctions(db, sqlite4GetBoolean(zRight));
    }
  }else

#ifndef SQLITE4_INTEGRITY_CHECK_ERROR_MAX
# define SQLITE4_INTEGRITY_CHECK_ERROR_MAX 100
................................................................................
  ** the main database has not been initialized and/or created when ATTACH
  ** is executed, this is done before the ATTACH operation.
  **
  ** In the second form this pragma sets the text encoding to be used in
  ** new database files created using this database handle. It is only
  ** useful if invoked immediately after the main database i
  */
  if( sqlite4_stricmp(zLeft, "encoding")==0 ){
    static const struct EncName {
      char *zName;
      u8 enc;
    } encnames[] = {
      { "UTF8",     SQLITE4_UTF8        },
      { "UTF-8",    SQLITE4_UTF8        },  /* Must be element [1] */
      { "UTF-16le", SQLITE4_UTF16LE     },  /* Must be element [2] */
................................................................................
      ** already exists, it will be created to use the new encoding value.
      */
      if( 
        !(DbHasProperty(db, 0, DB_SchemaLoaded)) || 
        DbHasProperty(db, 0, DB_Empty) 
      ){
        for(pEnc=&encnames[0]; pEnc->zName; pEnc++){
          if( 0==sqlite4_stricmp(zRight, pEnc->zName) ){
            ENC(pParse->db) = pEnc->enc ? pEnc->enc : SQLITE4_UTF16NATIVE;
            break;
          }
        }
        if( !pEnc->zName ){
          sqlite4ErrorMsg(pParse, "unsupported encoding: %s", zRight);
        }
................................................................................
#ifndef SQLITE4_OMIT_COMPILEOPTION_DIAGS
  /*
  **   PRAGMA compile_options
  **
  ** Return the names of all compile-time options used in this build,
  ** one option per row.
  */
  if( sqlite4_stricmp(zLeft, "compile_options")==0 ){
    int i = 0;
    const char *zOpt;
    sqlite4VdbeSetNumCols(v, 1);
    pParse->nMem = 1;
    sqlite4VdbeSetColName(v, 0, COLNAME_NAME, "compile_option", SQLITE4_STATIC);
    while( (zOpt = sqlite4_compileoption_get(i++))!=0 ){
      sqlite4VdbeAddOp4(v, OP_String8, 0, 1, 0, zOpt, 0);
................................................................................

#ifdef SQLITE4_DEBUG
  /*
  **   PRAGMA kvdump
  **
  ** Print an ascii rendering of the complete content of the database file.
  */
  if( sqlite4_stricmp(zLeft, "kvdump")==0 ){
    sqlite4KVStoreDump(db->aDb[0].pKV);
  }else
#endif /* SQLITE4_OMIT_COMPILEOPTION_DIAGS */
  /*
  **   PRAGMA integrity_check
  **
  ** Check that for each table, the content of any auxilliary indexes are 
  ** consistent with the primary key index.
  */
  if( sqlite4_stricmp(zLeft, "integrity_check")==0 ){
    const int baseCsr = 1;        /* Base cursor for OpenAllIndexes() call */

    const int regErrcnt = 1;      /* Register containing error count */
    const int regErrstr = 2;      /* Register containing error string */
    const int regTmp = 3;         /* Register for tmp use */
    const int regRowcnt1 = 4;     /* Register containing row count (from PK) */
    const int regRowcnt2 = 5;     /* Register containing error count */
................................................................................

  /*
  **  PRAGMA shrink_memory
  **
  ** This pragma attempts to free as much memory as possible from the
  ** current database connection.
  */
  if( sqlite4_stricmp(zLeft, "shrink_memory")==0 ){
    sqlite4_db_release_memory(db);
  }else

 
  {/* Empty ELSE clause */}
pragma_out:
  sqlite4DbFree(db, zLeft);
  sqlite4DbFree(db, zRight);
}

#endif /* SQLITE4_OMIT_PRAGMA */

** Return FALSE if the USING clause is NULL or if it does not contain
** zCol.
*/
static int nameInUsingClause(IdList *pUsing, const char *zCol){
  if( pUsing ){
    int k;
    for(k=0; k<pUsing->nId; k++){
      if( sqlite4StrICmp(pUsing->a[k].zName, zCol)==0 ) return 1;
    }
  }
  return 0;
}

/*
** Return true if table pTab has an implicit primary key, and zCol points
** to a column name that resolves to the implicit primary key (i.e. "rowid").
*/
int isRowidReference(Table *pTab, const char *zCol){
  int ret = 0;
  if( 0==sqlite4StrICmp(zCol, "ROWID") ){
    /* If the call to FindPrimaryKey() returns NULL, then pTab must be a
    ** sub-select or a view. Neither of these have an IPK.  */
    Index *pPk = sqlite4FindPrimaryKey(pTab, 0);
    if( pPk && pPk->aiColumn[0]==-1 ) ret = 1;
  }
  return ret;
}
................................................................................
        pTab = pItem->pTab;
        assert( pTab!=0 && pTab->zName!=0 );
        iDb = sqlite4SchemaToIndex(db, pTab->pSchema);
        assert( pTab->nCol>0 );
        if( zTab ){
          if( pItem->zAlias ){
            char *zTabName = pItem->zAlias;
            if( sqlite4StrICmp(zTabName, zTab)!=0 ) continue;
          }else{
            char *zTabName = pTab->zName;
            if( NEVER(zTabName==0) || sqlite4StrICmp(zTabName, zTab)!=0 ){
              continue;
            }
            if( zDb!=0 && sqlite4StrICmp(db->aDb[iDb].zName, zDb)!=0 ){
              continue;
            }
          }
        }
        if( 0==(cntTab++) ){
          pExpr->iTable = pItem->iCursor;
          pExpr->pTab = pTab;
          pSchema = pTab->pSchema;
          pMatch = pItem;
        }
        for(j=0, pCol=pTab->aCol; j<pTab->nCol; j++, pCol++){
          if( sqlite4StrICmp(pCol->zName, zCol)==0 ){
            /* If there has been exactly one prior match and this match
            ** is for the right-hand table of a NATURAL JOIN or is in a 
            ** USING clause, then skip this match.
            */
            if( cnt==1 ){
              if( pItem->jointype & JT_NATURAL ) continue;
              if( nameInUsingClause(pItem->pUsing, zCol) ) continue;
................................................................................
    /* If we have not already resolved the name, then maybe 
    ** it is a new.* or old.* trigger argument reference
    */
    if( zDb==0 && zTab!=0 && cnt==0 && pParse->pTriggerTab!=0 ){
      int op = pParse->eTriggerOp;
      Table *pTab = 0;
      assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT );
      if( op!=TK_DELETE && sqlite4StrICmp("new",zTab) == 0 ){
        pExpr->iTable = 1;
        pTab = pParse->pTriggerTab;
      }else if( op!=TK_INSERT && sqlite4StrICmp("old",zTab)==0 ){
        pExpr->iTable = 0;
        pTab = pParse->pTriggerTab;
      }

      if( pTab ){ 
        int iCol;
        pSchema = pTab->pSchema;
        cntTab++;
        for(iCol=0; iCol<pTab->nCol; iCol++){
          Column *pCol = &pTab->aCol[iCol];
          if( sqlite4StrICmp(pCol->zName, zCol)==0 ){
            break;
          }
        }
        if( iCol>=pTab->nCol && isRowidReference(pTab, zCol) ){
          iCol = -1;        /* IMP: R-44911-55124 */
        }
        if( iCol<pTab->nCol ){
................................................................................
    ** forms the result set entry ("a+b" in the example) and return immediately.
    ** Note that the expression in the result set should have already been
    ** resolved by the time the WHERE clause is resolved.
    */
    if( cnt==0 && (pEList = pNC->pEList)!=0 && zTab==0 ){
      for(j=0; j<pEList->nExpr; j++){
        char *zAs = pEList->a[j].zName;
        if( zAs!=0 && sqlite4StrICmp(zAs, zCol)==0 ){
          Expr *pOrig;
          assert( pExpr->pLeft==0 && pExpr->pRight==0 );
          assert( pExpr->x.pList==0 );
          assert( pExpr->x.pSelect==0 );
          pOrig = pEList->a[j].pExpr;
          if( !pNC->allowAgg && ExprHasProperty(pOrig, EP_Agg) ){
            sqlite4ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs);
................................................................................
    sqlite4ErrorMsg(pParse, "first argument xxx must be a table name");
    return;
  }
  zLhs = pExpr->u.zToken;

  for(i=0; i<pSrc->nSrc; i++){
    pItem = &pSrc->a[i];
    if( pItem->zAlias && sqlite4StrICmp(zLhs, pItem->zAlias)==0 ) break;
    if( pItem->zAlias==0 && sqlite4StrICmp(zLhs, pItem->zName)==0 ) break;
  }
  if( i==pSrc->nSrc ){
    sqlite4ErrorMsg(pParse, "no such table: %s", zLhs);
    return;
  }

  pExpr->op = TK_NULL;
................................................................................
    sqlite4ErrorMsg(pParse, "lhs of MATCH operator must be a table name");
    return;
  }
  zLhs = pLeft->u.zToken;

  for(i=0; i<pSrc->nSrc; i++){
    pItem = &pSrc->a[i];
    if( pItem->zAlias && sqlite4StrICmp(zLhs, pItem->zAlias)==0 ) break;
    if( pItem->zAlias==0 && sqlite4StrICmp(zLhs, pItem->zName)==0 ) break;
  }

  if( i==pSrc->nSrc ){
    sqlite4ErrorMsg(pParse, "no such table: %s", zLhs);
    return;
  }

................................................................................

  UNUSED_PARAMETER(pParse);

  if( pE->op==TK_ID ){
    char *zCol = pE->u.zToken;
    for(i=0; i<pEList->nExpr; i++){
      char *zAs = pEList->a[i].zName;
      if( zAs!=0 && sqlite4StrICmp(zAs, zCol)==0 ){
        return i+1;
      }
    }
  }
  return 0;
}

** Return FALSE if the USING clause is NULL or if it does not contain
** zCol.
*/
static int nameInUsingClause(IdList *pUsing, const char *zCol){
  if( pUsing ){
    int k;
    for(k=0; k<pUsing->nId; k++){
      if( sqlite4_stricmp(pUsing->a[k].zName, zCol)==0 ) return 1;
    }
  }
  return 0;
}

/*
** Return true if table pTab has an implicit primary key, and zCol points
** to a column name that resolves to the implicit primary key (i.e. "rowid").
*/
int isRowidReference(Table *pTab, const char *zCol){
  int ret = 0;
  if( 0==sqlite4_stricmp(zCol, "ROWID") ){
    /* If the call to FindPrimaryKey() returns NULL, then pTab must be a
    ** sub-select or a view. Neither of these have an IPK.  */
    Index *pPk = sqlite4FindPrimaryKey(pTab, 0);
    if( pPk && pPk->aiColumn[0]==-1 ) ret = 1;
  }
  return ret;
}
................................................................................
        pTab = pItem->pTab;
        assert( pTab!=0 && pTab->zName!=0 );
        iDb = sqlite4SchemaToIndex(db, pTab->pSchema);
        assert( pTab->nCol>0 );
        if( zTab ){
          if( pItem->zAlias ){
            char *zTabName = pItem->zAlias;
            if( sqlite4_stricmp(zTabName, zTab)!=0 ) continue;
          }else{
            char *zTabName = pTab->zName;
            if( NEVER(zTabName==0) || sqlite4_stricmp(zTabName, zTab)!=0 ){
              continue;
            }
            if( zDb!=0 && sqlite4_stricmp(db->aDb[iDb].zName, zDb)!=0 ){
              continue;
            }
          }
        }
        if( 0==(cntTab++) ){
          pExpr->iTable = pItem->iCursor;
          pExpr->pTab = pTab;
          pSchema = pTab->pSchema;
          pMatch = pItem;
        }
        for(j=0, pCol=pTab->aCol; j<pTab->nCol; j++, pCol++){
          if( sqlite4_stricmp(pCol->zName, zCol)==0 ){
            /* If there has been exactly one prior match and this match
            ** is for the right-hand table of a NATURAL JOIN or is in a 
            ** USING clause, then skip this match.
            */
            if( cnt==1 ){
              if( pItem->jointype & JT_NATURAL ) continue;
              if( nameInUsingClause(pItem->pUsing, zCol) ) continue;
................................................................................
    /* If we have not already resolved the name, then maybe 
    ** it is a new.* or old.* trigger argument reference
    */
    if( zDb==0 && zTab!=0 && cnt==0 && pParse->pTriggerTab!=0 ){
      int op = pParse->eTriggerOp;
      Table *pTab = 0;
      assert( op==TK_DELETE || op==TK_UPDATE || op==TK_INSERT );
      if( op!=TK_DELETE && sqlite4_stricmp("new",zTab) == 0 ){
        pExpr->iTable = 1;
        pTab = pParse->pTriggerTab;
      }else if( op!=TK_INSERT && sqlite4_stricmp("old",zTab)==0 ){
        pExpr->iTable = 0;
        pTab = pParse->pTriggerTab;
      }

      if( pTab ){ 
        int iCol;
        pSchema = pTab->pSchema;
        cntTab++;
        for(iCol=0; iCol<pTab->nCol; iCol++){
          Column *pCol = &pTab->aCol[iCol];
          if( sqlite4_stricmp(pCol->zName, zCol)==0 ){
            break;
          }
        }
        if( iCol>=pTab->nCol && isRowidReference(pTab, zCol) ){
          iCol = -1;        /* IMP: R-44911-55124 */
        }
        if( iCol<pTab->nCol ){
................................................................................
    ** forms the result set entry ("a+b" in the example) and return immediately.
    ** Note that the expression in the result set should have already been
    ** resolved by the time the WHERE clause is resolved.
    */
    if( cnt==0 && (pEList = pNC->pEList)!=0 && zTab==0 ){
      for(j=0; j<pEList->nExpr; j++){
        char *zAs = pEList->a[j].zName;
        if( zAs!=0 && sqlite4_stricmp(zAs, zCol)==0 ){
          Expr *pOrig;
          assert( pExpr->pLeft==0 && pExpr->pRight==0 );
          assert( pExpr->x.pList==0 );
          assert( pExpr->x.pSelect==0 );
          pOrig = pEList->a[j].pExpr;
          if( !pNC->allowAgg && ExprHasProperty(pOrig, EP_Agg) ){
            sqlite4ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs);
................................................................................
    sqlite4ErrorMsg(pParse, "first argument xxx must be a table name");
    return;
  }
  zLhs = pExpr->u.zToken;

  for(i=0; i<pSrc->nSrc; i++){
    pItem = &pSrc->a[i];
    if( pItem->zAlias && sqlite4_stricmp(zLhs, pItem->zAlias)==0 ) break;
    if( pItem->zAlias==0 && sqlite4_stricmp(zLhs, pItem->zName)==0 ) break;
  }
  if( i==pSrc->nSrc ){
    sqlite4ErrorMsg(pParse, "no such table: %s", zLhs);
    return;
  }

  pExpr->op = TK_NULL;
................................................................................
    sqlite4ErrorMsg(pParse, "lhs of MATCH operator must be a table name");
    return;
  }
  zLhs = pLeft->u.zToken;

  for(i=0; i<pSrc->nSrc; i++){
    pItem = &pSrc->a[i];
    if( pItem->zAlias && sqlite4_stricmp(zLhs, pItem->zAlias)==0 ) break;
    if( pItem->zAlias==0 && sqlite4_stricmp(zLhs, pItem->zName)==0 ) break;
  }

  if( i==pSrc->nSrc ){
    sqlite4ErrorMsg(pParse, "no such table: %s", zLhs);
    return;
  }

................................................................................

  UNUSED_PARAMETER(pParse);

  if( pE->op==TK_ID ){
    char *zCol = pE->u.zToken;
    for(i=0; i<pEList->nExpr; i++){
      char *zAs = pEList->a[i].zName;
      if( zAs!=0 && sqlite4_stricmp(zAs, zCol)==0 ){
        return i+1;
      }
    }
  }
  return 0;
}

  apAll[0] = pA;
  apAll[1] = pB;
  apAll[2] = pC;
  for(i=0; i<3 && apAll[i]; i++){
    p = apAll[i];
    for(j=0; j<ArraySize(aKeyword); j++){
      if( p->n==aKeyword[j].nChar 
          && sqlite4StrNICmp((char*)p->z, &zKeyText[aKeyword[j].i], p->n)==0 ){
        jointype |= aKeyword[j].code;
        break;
      }
    }
    testcase( j==0 || j==1 || j==2 || j==3 || j==4 || j==5 || j==6 );
    if( j>=ArraySize(aKeyword) ){
      jointype |= JT_ERROR;
................................................................................
/*
** Return the index of a column in a table.  Return -1 if the column
** is not contained in the table.
*/
static int columnIndex(Table *pTab, const char *zCol){
  int i;
  for(i=0; i<pTab->nCol; i++){
    if( sqlite4StrICmp(pTab->aCol[i].zName, zCol)==0 ) return i;
  }
  return -1;
}

/*
** Search the first N tables in pSrc, from left to right, looking for a
** table that has a column named zCol.  
................................................................................
    }

    /* Make sure the column name is unique.  If the name is not unique,
    ** append a integer to the name so that it becomes unique.
    */
    nName = sqlite4Strlen30(zName);
    for(j=cnt=0; j<i; j++){
      if( sqlite4StrICmp(aCol[j].zName, zName)==0 ){
        char *zNewName;
        zName[nName] = 0;
        zNewName = sqlite4MPrintf(db, "%s:%d", zName, ++cnt);
        sqlite4DbFree(db, zName);
        zName = zNewName;
        j = -1;
        if( zName==0 ) break;
................................................................................
  pExpr = pEList->a[0].pExpr;
  if( pExpr->op!=TK_AGG_FUNCTION ) return 0;
  if( NEVER(ExprHasProperty(pExpr, EP_xIsSelect)) ) return 0;
  pEList = pExpr->x.pList;
  if( pEList==0 || pEList->nExpr!=1 ) return 0;
  if( pEList->a[0].pExpr->op!=TK_AGG_COLUMN ) return WHERE_ORDERBY_NORMAL;
  assert( !ExprHasProperty(pExpr, EP_IntValue) );
  if( sqlite4StrICmp(pExpr->u.zToken,"min")==0 ){
    return WHERE_ORDERBY_MIN;
  }else if( sqlite4StrICmp(pExpr->u.zToken,"max")==0 ){
    return WHERE_ORDERBY_MAX;
  }
  return WHERE_ORDERBY_NORMAL;
}

/*
** If the source-list item passed as an argument was augmented with an
................................................................................
*/
int sqlite4IndexedByLookup(Parse *pParse, SrcListItem *pFrom){
  if( pFrom->pTab && pFrom->zIndex ){
    Table *pTab = pFrom->pTab;
    char *zIndex = pFrom->zIndex;
    Index *pIdx;
    for(pIdx=pTab->pIndex; 
        pIdx && sqlite4StrICmp(pIdx->zName, zIndex); 
        pIdx=pIdx->pNext
    );
    if( !pIdx ){
      sqlite4ErrorMsg(pParse, "no such index: %s", zIndex, 0);
      pParse->checkSchema = 1;
      return SQLITE4_ERROR;
    }
................................................................................
        for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
          Table *pTab = pFrom->pTab;
          char *zTabName = pFrom->zAlias;
          if( zTabName==0 ){
            zTabName = pTab->zName;
          }
          if( db->mallocFailed ) break;
          if( zTName && sqlite4StrICmp(zTName, zTabName)!=0 ){
            continue;
          }
          tableSeen = 1;
          for(j=0; j<pTab->nCol; j++){
            Expr *pExpr, *pRight;
            char *zName = pTab->aCol[j].zName;
            char *zColname;  /* The computed column name */

  apAll[0] = pA;
  apAll[1] = pB;
  apAll[2] = pC;
  for(i=0; i<3 && apAll[i]; i++){
    p = apAll[i];
    for(j=0; j<ArraySize(aKeyword); j++){
      if( p->n==aKeyword[j].nChar 
          && sqlite4_strnicmp((char*)p->z, &zKeyText[aKeyword[j].i], p->n)==0 ){
        jointype |= aKeyword[j].code;
        break;
      }
    }
    testcase( j==0 || j==1 || j==2 || j==3 || j==4 || j==5 || j==6 );
    if( j>=ArraySize(aKeyword) ){
      jointype |= JT_ERROR;
................................................................................
/*
** Return the index of a column in a table.  Return -1 if the column
** is not contained in the table.
*/
static int columnIndex(Table *pTab, const char *zCol){
  int i;
  for(i=0; i<pTab->nCol; i++){
    if( sqlite4_stricmp(pTab->aCol[i].zName, zCol)==0 ) return i;
  }
  return -1;
}

/*
** Search the first N tables in pSrc, from left to right, looking for a
** table that has a column named zCol.  
................................................................................
    }

    /* Make sure the column name is unique.  If the name is not unique,
    ** append a integer to the name so that it becomes unique.
    */
    nName = sqlite4Strlen30(zName);
    for(j=cnt=0; j<i; j++){
      if( sqlite4_stricmp(aCol[j].zName, zName)==0 ){
        char *zNewName;
        zName[nName] = 0;
        zNewName = sqlite4MPrintf(db, "%s:%d", zName, ++cnt);
        sqlite4DbFree(db, zName);
        zName = zNewName;
        j = -1;
        if( zName==0 ) break;
................................................................................
  pExpr = pEList->a[0].pExpr;
  if( pExpr->op!=TK_AGG_FUNCTION ) return 0;
  if( NEVER(ExprHasProperty(pExpr, EP_xIsSelect)) ) return 0;
  pEList = pExpr->x.pList;
  if( pEList==0 || pEList->nExpr!=1 ) return 0;
  if( pEList->a[0].pExpr->op!=TK_AGG_COLUMN ) return WHERE_ORDERBY_NORMAL;
  assert( !ExprHasProperty(pExpr, EP_IntValue) );
  if( sqlite4_stricmp(pExpr->u.zToken,"min")==0 ){
    return WHERE_ORDERBY_MIN;
  }else if( sqlite4_stricmp(pExpr->u.zToken,"max")==0 ){
    return WHERE_ORDERBY_MAX;
  }
  return WHERE_ORDERBY_NORMAL;
}

/*
** If the source-list item passed as an argument was augmented with an
................................................................................
*/
int sqlite4IndexedByLookup(Parse *pParse, SrcListItem *pFrom){
  if( pFrom->pTab && pFrom->zIndex ){
    Table *pTab = pFrom->pTab;
    char *zIndex = pFrom->zIndex;
    Index *pIdx;
    for(pIdx=pTab->pIndex; 
        pIdx && sqlite4_stricmp(pIdx->zName, zIndex); 
        pIdx=pIdx->pNext
    );
    if( !pIdx ){
      sqlite4ErrorMsg(pParse, "no such index: %s", zIndex, 0);
      pParse->checkSchema = 1;
      return SQLITE4_ERROR;
    }
................................................................................
        for(i=0, pFrom=pTabList->a; i<pTabList->nSrc; i++, pFrom++){
          Table *pTab = pFrom->pTab;
          char *zTabName = pFrom->zAlias;
          if( zTabName==0 ){
            zTabName = pTab->zName;
          }
          if( db->mallocFailed ) break;
          if( zTName && sqlite4_stricmp(zTName, zTabName)!=0 ){
            continue;
          }
          tableSeen = 1;
          for(j=0; j<pTab->nCol; j++){
            Expr *pExpr, *pRight;
            char *zName = pTab->aCol[j].zName;
            char *zColname;  /* The computed column name */

# define sqlite4Tolower(x)   tolower((unsigned char)(x))
#endif

/*
** Internal function prototypes
*/
int sqlite4Strlen30(const char*);
#define sqlite4StrICmp sqlite4_stricmp
#define sqlite4StrNICmp sqlite4_strnicmp

int sqlite4MallocInit(sqlite4_env*);
void sqlite4MallocEnd(sqlite4_env*);
void *sqlite4Malloc(sqlite4_env*, int);
void *sqlite4MallocZero(sqlite4_env*, int);
void *sqlite4DbMallocZero(sqlite4*, int);
void *sqlite4DbMallocRaw(sqlite4*, int);

# define sqlite4Tolower(x)   tolower((unsigned char)(x))
#endif

/*
** Internal function prototypes
*/
int sqlite4Strlen30(const char*);



int sqlite4MallocInit(sqlite4_env*);
void sqlite4MallocEnd(sqlite4_env*);
void *sqlite4Malloc(sqlite4_env*, int);
void *sqlite4MallocZero(sqlite4_env*, int);
void *sqlite4DbMallocZero(sqlite4*, int);
void *sqlite4DbMallocRaw(sqlite4*, int);

  }

  if( pTmpSchema!=pTab->pSchema ){
    HashElem *p;
    for(p=sqliteHashFirst(&pTmpSchema->trigHash); p; p=sqliteHashNext(p)){
      Trigger *pTrig = (Trigger *)sqliteHashData(p);
      if( pTrig->pTabSchema==pTab->pSchema
       && 0==sqlite4StrICmp(pTrig->table, pTab->zName) 
      ){
        pTrig->pNext = (pList ? pList : pTab->pTrigger);
        pList = pTrig;
      }
    }
  }

................................................................................
      assert( !db->init.busy );
      sqlite4CodeVerifySchema(pParse, iDb);
    }
    goto trigger_cleanup;
  }

  /* Do not create a trigger on a system table */
  if( sqlite4StrNICmp(pTab->zName, "sqlite_", 7)==0 ){
    sqlite4ErrorMsg(pParse, "cannot create trigger on system table");
    pParse->nErr++;
    goto trigger_cleanup;
  }

  /* INSTEAD of triggers are only for views and views only support INSTEAD
  ** of triggers.
................................................................................

  assert( pName->nSrc==1 );
  zDb = pName->a[0].zDatabase;
  zName = pName->a[0].zName;
  nName = sqlite4Strlen30(zName);
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    if( zDb && sqlite4StrICmp(db->aDb[j].zName, zDb) ) continue;
    pTrigger = sqlite4HashFind(&(db->aDb[j].pSchema->trigHash), zName, nName);
    if( pTrigger ) break;
  }
  if( !pTrigger ){
    if( !noErr ){
      sqlite4ErrorMsg(pParse, "no such trigger: %S", pName, 0);
    }else{

  }

  if( pTmpSchema!=pTab->pSchema ){
    HashElem *p;
    for(p=sqliteHashFirst(&pTmpSchema->trigHash); p; p=sqliteHashNext(p)){
      Trigger *pTrig = (Trigger *)sqliteHashData(p);
      if( pTrig->pTabSchema==pTab->pSchema
       && 0==sqlite4_stricmp(pTrig->table, pTab->zName) 
      ){
        pTrig->pNext = (pList ? pList : pTab->pTrigger);
        pList = pTrig;
      }
    }
  }

................................................................................
      assert( !db->init.busy );
      sqlite4CodeVerifySchema(pParse, iDb);
    }
    goto trigger_cleanup;
  }

  /* Do not create a trigger on a system table */
  if( sqlite4_strnicmp(pTab->zName, "sqlite_", 7)==0 ){
    sqlite4ErrorMsg(pParse, "cannot create trigger on system table");
    pParse->nErr++;
    goto trigger_cleanup;
  }

  /* INSTEAD of triggers are only for views and views only support INSTEAD
  ** of triggers.
................................................................................

  assert( pName->nSrc==1 );
  zDb = pName->a[0].zDatabase;
  zName = pName->a[0].zName;
  nName = sqlite4Strlen30(zName);
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    if( zDb && sqlite4_stricmp(db->aDb[j].zName, zDb) ) continue;
    pTrigger = sqlite4HashFind(&(db->aDb[j].pSchema->trigHash), zName, nName);
    if( pTrigger ) break;
  }
  if( !pTrigger ){
    if( !noErr ){
      sqlite4ErrorMsg(pParse, "no such trigger: %S", pName, 0);
    }else{

    /* Resolve any names in the expression for this assignment */
    if( sqlite4ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){
      goto update_cleanup;
    }

    /* Resolve the column name on the left of the assignment */
    for(j=0; j<pTab->nCol; j++){
      if( sqlite4StrICmp(pTab->aCol[j].zName, pChanges->a[i].zName)==0 ) break;
    }
    if( j==pTab->nCol ){
      sqlite4ErrorMsg(pParse, "no such column: %s", pChanges->a[i].zName);
      pParse->checkSchema = 1;
      goto update_cleanup;
    }
    aXRef[j] = i;

    /* Resolve any names in the expression for this assignment */
    if( sqlite4ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){
      goto update_cleanup;
    }

    /* Resolve the column name on the left of the assignment */
    for(j=0; j<pTab->nCol; j++){
      if( sqlite4_stricmp(pTab->aCol[j].zName, pChanges->a[i].zName)==0 ) break;
    }
    if( j==pTab->nCol ){
      sqlite4ErrorMsg(pParse, "no such column: %s", pChanges->a[i].zName);
      pParse->checkSchema = 1;
      goto update_cleanup;
    }
    aXRef[j] = i;

    ** commit or rollback to. This block sets variable pSave to point
    ** to the Savepoint object and iSave to the kvstore layer transaction
    ** number. For example, to commit or rollback the top level transaction
    ** iSave==2.  */
    iSave = db->nSavepoint+1;
    for(pSave=db->pSavepoint; pSave; pSave=pSave->pNext){
      if( zSave ){
        if( pSave->zName && 0==sqlite4StrICmp(zSave, pSave->zName) ) break;
      }else{
        if( pSave->pNext==0 ) break;
      }
      iSave--;
    }

    if( pSave==0 ){

    ** commit or rollback to. This block sets variable pSave to point
    ** to the Savepoint object and iSave to the kvstore layer transaction
    ** number. For example, to commit or rollback the top level transaction
    ** iSave==2.  */
    iSave = db->nSavepoint+1;
    for(pSave=db->pSavepoint; pSave; pSave=pSave->pNext){
      if( zSave ){
        if( pSave->zName && 0==sqlite4_stricmp(zSave, pSave->zName) ) break;
      }else{
        if( pSave->pNext==0 ) break;
      }
      iSave--;
    }

    if( pSave==0 ){

  Expr *pExpr      /* Test this expression */
){
  ExprList *pList;

  if( pExpr->op!=TK_FUNCTION ){
    return 0;
  }
  if( sqlite4StrICmp(pExpr->u.zToken,"match")!=0 ){
    return 0;
  }
  pList = pExpr->x.pList;
  if( pList->nExpr!=2 ){
    return 0;
  }
  if( pList->a[1].pExpr->op != TK_COLUMN ){
................................................................................
    Expr *p = pList->a[i].pExpr;
    if( p->op==TK_COLUMN
     && p->iColumn==pIdx->aiColumn[iCol]
     && p->iTable==iBase
    ){
      CollSeq *pColl = sqlite4ExprCollSeq(pParse, p);
      assert( pColl || p->iColumn==-1 );
      if( 0==pColl || 0==sqlite4StrICmp(pColl->zName, zColl) ){
        return i;
      }
    }
  }

  return -1;
}

  Expr *pExpr      /* Test this expression */
){
  ExprList *pList;

  if( pExpr->op!=TK_FUNCTION ){
    return 0;
  }
  if( sqlite4_stricmp(pExpr->u.zToken,"match")!=0 ){
    return 0;
  }
  pList = pExpr->x.pList;
  if( pList->nExpr!=2 ){
    return 0;
  }
  if( pList->a[1].pExpr->op != TK_COLUMN ){
................................................................................
    Expr *p = pList->a[i].pExpr;
    if( p->op==TK_COLUMN
     && p->iColumn==pIdx->aiColumn[iCol]
     && p->iTable==iBase
    ){
      CollSeq *pColl = sqlite4ExprCollSeq(pParse, p);
      assert( pColl || p->iColumn==-1 );
      if( 0==pColl || 0==sqlite4_stricmp(pColl->zName, zColl) ){
        return i;
      }
    }
  }

  return -1;
}

** The following routine is a user-defined SQL function whose purpose
** is to test the sqlite_set_result() API.
*/
static void testFunc(sqlite4_context *context, int argc, sqlite4_value **argv){
  while( argc>=2 ){
    const char *zArg0 = (char*)sqlite4_value_text(argv[0]);
    if( zArg0 ){
      if( 0==sqlite4StrICmp(zArg0, "int") ){
        sqlite4_result_int(context, sqlite4_value_int(argv[1]));
      }else if( sqlite4StrICmp(zArg0,"int64")==0 ){
        sqlite4_result_int64(context, sqlite4_value_int64(argv[1]));
      }else if( sqlite4StrICmp(zArg0,"string")==0 ){
        sqlite4_result_text(context, (char*)sqlite4_value_text(argv[1]), -1,
            SQLITE4_TRANSIENT);
      }else if( sqlite4StrICmp(zArg0,"double")==0 ){
        sqlite4_result_double(context, sqlite4_value_double(argv[1]));
      }else if( sqlite4StrICmp(zArg0,"null")==0 ){
        sqlite4_result_null(context);
      }else if( sqlite4StrICmp(zArg0,"value")==0 ){
        sqlite4_result_value(context, argv[sqlite4_value_int(argv[1])]);
      }else{
        goto error_out;
      }
    }else{
      goto error_out;
    }

** The following routine is a user-defined SQL function whose purpose
** is to test the sqlite_set_result() API.
*/
static void testFunc(sqlite4_context *context, int argc, sqlite4_value **argv){
  while( argc>=2 ){
    const char *zArg0 = (char*)sqlite4_value_text(argv[0]);
    if( zArg0 ){
      if( 0==sqlite4_stricmp(zArg0, "int") ){
        sqlite4_result_int(context, sqlite4_value_int(argv[1]));
      }else if( sqlite4_stricmp(zArg0,"int64")==0 ){
        sqlite4_result_int64(context, sqlite4_value_int64(argv[1]));
      }else if( sqlite4_stricmp(zArg0,"string")==0 ){
        sqlite4_result_text(context, (char*)sqlite4_value_text(argv[1]), -1,
            SQLITE4_TRANSIENT);
      }else if( sqlite4_stricmp(zArg0,"double")==0 ){
        sqlite4_result_double(context, sqlite4_value_double(argv[1]));
      }else if( sqlite4_stricmp(zArg0,"null")==0 ){
        sqlite4_result_null(context);
      }else if( sqlite4_stricmp(zArg0,"value")==0 ){
        sqlite4_result_value(context, argv[sqlite4_value_int(argv[1])]);
      }else{
        goto error_out;
      }
    }else{
      goto error_out;
    }

    { "UTF16BE", SQLITE4_UTF16BE },
    { "UTF16", SQLITE4_UTF16 },
    { 0, 0 }
  };
  struct EncName *pEnc;
  char *z = Tcl_GetString(pObj);
  for(pEnc=&encnames[0]; pEnc->zName; pEnc++){
    if( 0==sqlite4StrICmp(z, pEnc->zName) ){
      break;
    }
  }
  if( !pEnc->enc ){
    Tcl_AppendResult(interp, "No such encoding: ", z, 0);
  }
  if( pEnc->enc==SQLITE4_UTF16 ){

    { "UTF16BE", SQLITE4_UTF16BE },
    { "UTF16", SQLITE4_UTF16 },
    { 0, 0 }
  };
  struct EncName *pEnc;
  char *z = Tcl_GetString(pObj);
  for(pEnc=&encnames[0]; pEnc->zName; pEnc++){
    if( 0==sqlite4_stricmp(z, pEnc->zName) ){
      break;
    }
  }
  if( !pEnc->enc ){
    Tcl_AppendResult(interp, "No such encoding: ", z, 0);
  }
  if( pEnc->enc==SQLITE4_UTF16 ){

  printf("  int h, i;\n");
  printf("  if( n<2 ) return TK_ID;\n");
  printf("  h = ((charMap(z[0])*4) ^\n"
         "      (charMap(z[n-1])*3) ^\n"
         "      n) %% %d;\n", bestSize);
  printf("  for(i=((int)aHash[h])-1; i>=0; i=((int)aNext[i])-1){\n");
  printf("    if( aLen[i]==n &&"
                   " sqlite4StrNICmp(&zText[aOffset[i]],z,n)==0 ){\n");
  for(i=0; i<nKeyword; i++){
    printf("      testcase( i==%d ); /* %s */\n",
           i, aKeywordTable[i].zOrigName);
  }
  printf("      return aCode[i];\n");
  printf("    }\n");
  printf("  }\n");

  printf("  int h, i;\n");
  printf("  if( n<2 ) return TK_ID;\n");
  printf("  h = ((charMap(z[0])*4) ^\n"
         "      (charMap(z[n-1])*3) ^\n"
         "      n) %% %d;\n", bestSize);
  printf("  for(i=((int)aHash[h])-1; i>=0; i=((int)aNext[i])-1){\n");
  printf("    if( aLen[i]==n &&"
                   " sqlite4_strnicmp(&zText[aOffset[i]],z,n)==0 ){\n");
  for(i=0; i<nKeyword; i++){
    printf("      testcase( i==%d ); /* %s */\n",
           i, aKeywordTable[i].zOrigName);
  }
  printf("      return aCode[i];\n");
  printf("    }\n");
  printf("  }\n");