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Changes In Branch branch-3.7.11 Excluding Merge-Ins

This is equivalent to a diff from 00bb9c9ce4 to f0f492245e

2017-07-21
07:45
Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This changes is a cherry-pick of [f0f49224] with version-specific edits. That check-in was inspired by check-in [72de49f2]. (check-in: 69906880ce user: drh tags: branch-3.9.2)
03:23
Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f492245e95], which is in turn inspired by check-in [72de49f2]. (Leaf check-in: a66a5b397b user: drh tags: branch-3.8.6)
03:09
Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This changes is inspired by check-in [72de49f2] but is new implementation, not a cherry-pick. (Leaf check-in: f0f492245e user: drh tags: branch-3.7.11)
2015-05-21
02:24
Silently ignore any attempt to add a prefix index for prefixes zero bytes in size to an fts3/4 table. Or any prefix index size so large that it overflows a 32-bit signed integer. Cherrypick [ad4b19d2ac0889a] (check-in: 000197cc4e user: drh tags: branch-3.7.11)
00:50
Add the ".open" command to the command-line shell. Cherrypick from [21eccb919441]. (check-in: a71e2a72c5 user: drh tags: branch-3.7.11)
2012-03-20
15:10
Remove the _SafeInit() entry points from the TCL interface. They have long been no-ops. Removing them completely avoids confusion as to why they don't work. (check-in: 0fb26c7bfa user: drh tags: trunk)
11:35
Version 3.7.11 (check-in: 00bb9c9ce4 user: drh tags: trunk, release, version-3.7.11)
03:10
Fix out-of-bounds array references in the "echo" virtual table module used for testing. No changes to the SQLite core. (check-in: 7b449b301e user: drh tags: trunk)

Changes to ext/fts3/fts3.c.

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    for(p=zParam; *p; p++){
      if( *p==',' ) nIndex++;
    }
  }

  aIndex = sqlite3_malloc(sizeof(struct Fts3Index) * nIndex);
  *apIndex = aIndex;
  *pnIndex = nIndex;
  if( !aIndex ){
    return SQLITE_NOMEM;
  }

  memset(aIndex, 0, sizeof(struct Fts3Index) * nIndex);
  if( zParam ){
    const char *p = zParam;
    int i;
    for(i=1; i<nIndex; i++){
      int nPrefix;
      if( fts3GobbleInt(&p, &nPrefix) ) return SQLITE_ERROR;




      aIndex[i].nPrefix = nPrefix;

      p++;
    }
  }


  return SQLITE_OK;
}

/*
** This function is called when initializing an FTS4 table that uses the
** content=xxx option. It determines the number of and names of the columns
** of the new FTS4 table.
................................................................................
*/
static int fts3ContentColumns(
  sqlite3 *db,                    /* Database handle */
  const char *zDb,                /* Name of db (i.e. "main", "temp" etc.) */
  const char *zTbl,               /* Name of content table */
  const char ***pazCol,           /* OUT: Malloc'd array of column names */
  int *pnCol,                     /* OUT: Size of array *pazCol */
  int *pnStr                      /* OUT: Bytes of string content */

){
  int rc = SQLITE_OK;             /* Return code */
  char *zSql;                     /* "SELECT *" statement on zTbl */  
  sqlite3_stmt *pStmt = 0;        /* Compiled version of zSql */

  zSql = sqlite3_mprintf("SELECT * FROM %Q.%Q", zDb, zTbl);
  if( !zSql ){
    rc = SQLITE_NOMEM;
  }else{
    rc = sqlite3_prepare(db, zSql, -1, &pStmt, 0);



  }
  sqlite3_free(zSql);

  if( rc==SQLITE_OK ){
    const char **azCol;           /* Output array */
    int nStr = 0;                 /* Size of all column names (incl. 0x00) */
    int nCol;                     /* Number of table columns */
................................................................................
    sqlite3_free(zCompress); 
    sqlite3_free(zUncompress); 
    zCompress = 0;
    zUncompress = 0;
    if( nCol==0 ){
      sqlite3_free((void*)aCol); 
      aCol = 0;
      rc = fts3ContentColumns(db, argv[1], zContent, &aCol, &nCol, &nString);

      /* If a languageid= option was specified, remove the language id
      ** column from the aCol[] array. */ 
      if( rc==SQLITE_OK && zLanguageid ){
        int j;
        for(j=0; j<nCol; j++){
          if( sqlite3_stricmp(zLanguageid, aCol[j])==0 ){
................................................................................
    /* This call is a request for the "docid" column. Since "docid" is an 
    ** alias for "rowid", use the xRowid() method to obtain the value.
    */
    sqlite3_result_int64(pCtx, pCsr->iPrevId);
  }else if( iCol==p->nColumn ){
    /* The extra column whose name is the same as the table.
    ** Return a blob which is a pointer to the cursor.  */
    sqlite3_result_blob(pCtx, &pCsr, sizeof(pCsr), SQLITE_TRANSIENT);
  }else if( iCol==p->nColumn+2 && pCsr->pExpr ){
    sqlite3_result_int64(pCtx, pCsr->iLangid);
  }else{
    /* The requested column is either a user column (one that contains 
    ** indexed data), or the language-id column.  */
    rc = fts3CursorSeek(0, pCsr);

................................................................................
*/
static int fts3FunctionArg(
  sqlite3_context *pContext,      /* SQL function call context */
  const char *zFunc,              /* Function name */
  sqlite3_value *pVal,            /* argv[0] passed to function */
  Fts3Cursor **ppCsr              /* OUT: Store cursor handle here */
){
  Fts3Cursor *pRet;
  if( sqlite3_value_type(pVal)!=SQLITE_BLOB 
   || sqlite3_value_bytes(pVal)!=sizeof(Fts3Cursor *)
  ){
    char *zErr = sqlite3_mprintf("illegal first argument to %s", zFunc);
    sqlite3_result_error(pContext, zErr, -1);
    sqlite3_free(zErr);
    return SQLITE_ERROR;
  }
  memcpy(&pRet, sqlite3_value_blob(pVal), sizeof(Fts3Cursor *));
  *ppCsr = pRet;
  return SQLITE_OK;
}

/*
** Implementation of the snippet() function for FTS3
*/







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    for(p=zParam; *p; p++){
      if( *p==',' ) nIndex++;
    }
  }

  aIndex = sqlite3_malloc(sizeof(struct Fts3Index) * nIndex);
  *apIndex = aIndex;

  if( !aIndex ){
    return SQLITE_NOMEM;
  }

  memset(aIndex, 0, sizeof(struct Fts3Index) * nIndex);
  if( zParam ){
    const char *p = zParam;
    int i;
    for(i=1; i<nIndex; i++){
      int nPrefix;
      if( fts3GobbleInt(&p, &nPrefix) ) return SQLITE_ERROR;
      if( nPrefix<=0 ){
        nIndex--;
        i--;
      }else{
        aIndex[i].nPrefix = nPrefix;
      }
      p++;
    }
  }

  *pnIndex = nIndex;
  return SQLITE_OK;
}

/*
** This function is called when initializing an FTS4 table that uses the
** content=xxx option. It determines the number of and names of the columns
** of the new FTS4 table.
................................................................................
*/
static int fts3ContentColumns(
  sqlite3 *db,                    /* Database handle */
  const char *zDb,                /* Name of db (i.e. "main", "temp" etc.) */
  const char *zTbl,               /* Name of content table */
  const char ***pazCol,           /* OUT: Malloc'd array of column names */
  int *pnCol,                     /* OUT: Size of array *pazCol */
  int *pnStr,                     /* OUT: Bytes of string content */
  char **pzErr                    /* OUT: error message */
){
  int rc = SQLITE_OK;             /* Return code */
  char *zSql;                     /* "SELECT *" statement on zTbl */  
  sqlite3_stmt *pStmt = 0;        /* Compiled version of zSql */

  zSql = sqlite3_mprintf("SELECT * FROM %Q.%Q", zDb, zTbl);
  if( !zSql ){
    rc = SQLITE_NOMEM;
  }else{
    rc = sqlite3_prepare(db, zSql, -1, &pStmt, 0);
    if( rc!=SQLITE_OK ){
      *pzErr = sqlite3_mprintf("%s", sqlite3_errmsg(db));
    }
  }
  sqlite3_free(zSql);

  if( rc==SQLITE_OK ){
    const char **azCol;           /* Output array */
    int nStr = 0;                 /* Size of all column names (incl. 0x00) */
    int nCol;                     /* Number of table columns */
................................................................................
    sqlite3_free(zCompress); 
    sqlite3_free(zUncompress); 
    zCompress = 0;
    zUncompress = 0;
    if( nCol==0 ){
      sqlite3_free((void*)aCol); 
      aCol = 0;
      rc = fts3ContentColumns(db, argv[1], zContent,&aCol,&nCol,&nString,pzErr);

      /* If a languageid= option was specified, remove the language id
      ** column from the aCol[] array. */ 
      if( rc==SQLITE_OK && zLanguageid ){
        int j;
        for(j=0; j<nCol; j++){
          if( sqlite3_stricmp(zLanguageid, aCol[j])==0 ){
................................................................................
    /* This call is a request for the "docid" column. Since "docid" is an 
    ** alias for "rowid", use the xRowid() method to obtain the value.
    */
    sqlite3_result_int64(pCtx, pCsr->iPrevId);
  }else if( iCol==p->nColumn ){
    /* The extra column whose name is the same as the table.
    ** Return a blob which is a pointer to the cursor.  */
    sqlite3_result_pointer(pCtx, pCsr);
  }else if( iCol==p->nColumn+2 && pCsr->pExpr ){
    sqlite3_result_int64(pCtx, pCsr->iLangid);
  }else{
    /* The requested column is either a user column (one that contains 
    ** indexed data), or the language-id column.  */
    rc = fts3CursorSeek(0, pCsr);

................................................................................
*/
static int fts3FunctionArg(
  sqlite3_context *pContext,      /* SQL function call context */
  const char *zFunc,              /* Function name */
  sqlite3_value *pVal,            /* argv[0] passed to function */
  Fts3Cursor **ppCsr              /* OUT: Store cursor handle here */
){
  Fts3Cursor *pRet = (Fts3Cursor*)sqlite3_value_pointer(pVal);
  if( pRet==0 ){


    char *zErr = sqlite3_mprintf("illegal first argument to %s", zFunc);
    sqlite3_result_error(pContext, zErr, -1);
    sqlite3_free(zErr);
    return SQLITE_ERROR;
  }

  *ppCsr = pRet;
  return SQLITE_OK;
}

/*
** Implementation of the snippet() function for FTS3
*/

Changes to src/fkey.c.

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      /* Create the expression "OLD.zToCol = zFromCol". It is important
      ** that the "OLD.zToCol" term is on the LHS of the = operator, so
      ** that the affinity and collation sequence associated with the
      ** parent table are used for the comparison. */
      pEq = sqlite3PExpr(pParse, TK_EQ,
          sqlite3PExpr(pParse, TK_DOT, 
            sqlite3PExpr(pParse, TK_ID, 0, 0, &tOld),
            sqlite3PExpr(pParse, TK_ID, 0, 0, &tToCol)
          , 0),
          sqlite3PExpr(pParse, TK_ID, 0, 0, &tFromCol)
      , 0);
      pWhere = sqlite3ExprAnd(db, pWhere, pEq);

      /* For ON UPDATE, construct the next term of the WHEN clause.
      ** The final WHEN clause will be like this:
      **
      **    WHEN NOT(old.col1 IS new.col1 AND ... AND old.colN IS new.colN)
      */
      if( pChanges ){
        pEq = sqlite3PExpr(pParse, TK_IS,
            sqlite3PExpr(pParse, TK_DOT, 
              sqlite3PExpr(pParse, TK_ID, 0, 0, &tOld),
              sqlite3PExpr(pParse, TK_ID, 0, 0, &tToCol),
              0),
            sqlite3PExpr(pParse, TK_DOT, 
              sqlite3PExpr(pParse, TK_ID, 0, 0, &tNew),
              sqlite3PExpr(pParse, TK_ID, 0, 0, &tToCol),
              0),
            0);
        pWhen = sqlite3ExprAnd(db, pWhen, pEq);
      }
  
      if( action!=OE_Restrict && (action!=OE_Cascade || pChanges) ){
        Expr *pNew;
        if( action==OE_Cascade ){
          pNew = sqlite3PExpr(pParse, TK_DOT, 
            sqlite3PExpr(pParse, TK_ID, 0, 0, &tNew),
            sqlite3PExpr(pParse, TK_ID, 0, 0, &tToCol)
          , 0);
        }else if( action==OE_SetDflt ){
          Expr *pDflt = pFKey->pFrom->aCol[iFromCol].pDflt;
          if( pDflt ){
            pNew = sqlite3ExprDup(db, pDflt, 0);
          }else{
            pNew = sqlite3PExpr(pParse, TK_NULL, 0, 0, 0);
................................................................................
    /* Disable lookaside memory allocation */
    enableLookaside = db->lookaside.bEnabled;
    db->lookaside.bEnabled = 0;

    pTrigger = (Trigger *)sqlite3DbMallocZero(db, 
        sizeof(Trigger) +         /* struct Trigger */
        sizeof(TriggerStep) +     /* Single step in trigger program */
        nFrom + 1                 /* Space for pStep->target.z */
    );
    if( pTrigger ){
      pStep = pTrigger->step_list = (TriggerStep *)&pTrigger[1];
      pStep->target.z = (char *)&pStep[1];
      pStep->target.n = nFrom;
      memcpy((char *)pStep->target.z, zFrom, nFrom);
  
      pStep->pWhere = sqlite3ExprDup(db, pWhere, EXPRDUP_REDUCE);
      pStep->pExprList = sqlite3ExprListDup(db, pList, EXPRDUP_REDUCE);
      pStep->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE);
      if( pWhen ){
        pWhen = sqlite3PExpr(pParse, TK_NOT, pWhen, 0, 0);
        pTrigger->pWhen = sqlite3ExprDup(db, pWhen, EXPRDUP_REDUCE);







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      /* Create the expression "OLD.zToCol = zFromCol". It is important
      ** that the "OLD.zToCol" term is on the LHS of the = operator, so
      ** that the affinity and collation sequence associated with the
      ** parent table are used for the comparison. */
      pEq = sqlite3PExpr(pParse, TK_EQ,
          sqlite3PExpr(pParse, TK_DOT, 
            sqlite3ExprAlloc(db, TK_ID, &tOld, 0),
            sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)
          , 0),
          sqlite3ExprAlloc(db, TK_ID, &tFromCol, 0)
      , 0);
      pWhere = sqlite3ExprAnd(db, pWhere, pEq);

      /* For ON UPDATE, construct the next term of the WHEN clause.
      ** The final WHEN clause will be like this:
      **
      **    WHEN NOT(old.col1 IS new.col1 AND ... AND old.colN IS new.colN)
      */
      if( pChanges ){
        pEq = sqlite3PExpr(pParse, TK_IS,
            sqlite3PExpr(pParse, TK_DOT, 
              sqlite3ExprAlloc(db, TK_ID, &tOld, 0),
              sqlite3ExprAlloc(db, TK_ID, &tToCol, 0),
              0),
            sqlite3PExpr(pParse, TK_DOT, 
              sqlite3ExprAlloc(db, TK_ID, &tNew, 0),
              sqlite3ExprAlloc(db, TK_ID, &tToCol, 0),
              0),
            0);
        pWhen = sqlite3ExprAnd(db, pWhen, pEq);
      }
  
      if( action!=OE_Restrict && (action!=OE_Cascade || pChanges) ){
        Expr *pNew;
        if( action==OE_Cascade ){
          pNew = sqlite3PExpr(pParse, TK_DOT, 
            sqlite3ExprAlloc(db, TK_ID, &tNew, 0),
            sqlite3ExprAlloc(db, TK_ID, &tToCol, 0)
          , 0);
        }else if( action==OE_SetDflt ){
          Expr *pDflt = pFKey->pFrom->aCol[iFromCol].pDflt;
          if( pDflt ){
            pNew = sqlite3ExprDup(db, pDflt, 0);
          }else{
            pNew = sqlite3PExpr(pParse, TK_NULL, 0, 0, 0);
................................................................................
    /* Disable lookaside memory allocation */
    enableLookaside = db->lookaside.bEnabled;
    db->lookaside.bEnabled = 0;

    pTrigger = (Trigger *)sqlite3DbMallocZero(db, 
        sizeof(Trigger) +         /* struct Trigger */
        sizeof(TriggerStep) +     /* Single step in trigger program */
        nFrom + 1                 /* Space for pStep->zTarget */
    );
    if( pTrigger ){
      pStep = pTrigger->step_list = (TriggerStep *)&pTrigger[1];
      pStep->zTarget = (char *)&pStep[1];

      memcpy((char *)pStep->zTarget, zFrom, nFrom);
  
      pStep->pWhere = sqlite3ExprDup(db, pWhere, EXPRDUP_REDUCE);
      pStep->pExprList = sqlite3ExprListDup(db, pList, EXPRDUP_REDUCE);
      pStep->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE);
      if( pWhen ){
        pWhen = sqlite3PExpr(pParse, TK_NOT, pWhen, 0, 0);
        pTrigger->pWhen = sqlite3ExprDup(db, pWhen, EXPRDUP_REDUCE);

Changes to src/prepare.c.

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    return 1;
  }

  assert( iDb>=0 && iDb<db->nDb );
  if( argv==0 ) return 0;   /* Might happen if EMPTY_RESULT_CALLBACKS are on */
  if( argv[1]==0 ){
    corruptSchema(pData, argv[0], 0);
  }else if( argv[2] && argv[2][0] ){
    /* Call the parser to process a CREATE TABLE, INDEX or VIEW.
    ** But because db->init.busy is set to 1, no VDBE code is generated
    ** or executed.  All the parser does is build the internal data
    ** structures that describe the table, index, or view.
    */
    int rc;
    sqlite3_stmt *pStmt;
................................................................................
          db->mallocFailed = 1;
        }else if( rc!=SQLITE_INTERRUPT && (rc&0xFF)!=SQLITE_LOCKED ){
          corruptSchema(pData, argv[0], sqlite3_errmsg(db));
        }
      }
    }
    sqlite3_finalize(pStmt);
  }else if( argv[0]==0 ){
    corruptSchema(pData, 0, 0);
  }else{
    /* If the SQL column is blank it means this is an index that
    ** was created to be the PRIMARY KEY or to fulfill a UNIQUE
    ** constraint for a CREATE TABLE.  The index should have already
    ** been created when we processed the CREATE TABLE.  All we have
    ** to do here is record the root page number for that index.
    */







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    return 1;
  }

  assert( iDb>=0 && iDb<db->nDb );
  if( argv==0 ) return 0;   /* Might happen if EMPTY_RESULT_CALLBACKS are on */
  if( argv[1]==0 ){
    corruptSchema(pData, argv[0], 0);
  }else if( argv[2] && sqlite3_strnicmp(argv[2],"create ",7)==0 ){
    /* Call the parser to process a CREATE TABLE, INDEX or VIEW.
    ** But because db->init.busy is set to 1, no VDBE code is generated
    ** or executed.  All the parser does is build the internal data
    ** structures that describe the table, index, or view.
    */
    int rc;
    sqlite3_stmt *pStmt;
................................................................................
          db->mallocFailed = 1;
        }else if( rc!=SQLITE_INTERRUPT && (rc&0xFF)!=SQLITE_LOCKED ){
          corruptSchema(pData, argv[0], sqlite3_errmsg(db));
        }
      }
    }
    sqlite3_finalize(pStmt);
  }else if( argv[0]==0 || (argv[2]!=0 && argv[2][0]!=0) ){
    corruptSchema(pData, argv[0], 0);
  }else{
    /* If the SQL column is blank it means this is an index that
    ** was created to be the PRIMARY KEY or to fulfill a UNIQUE
    ** constraint for a CREATE TABLE.  The index should have already
    ** been created when we processed the CREATE TABLE.  All we have
    ** to do here is record the root page number for that index.
    */

Changes to src/shell.c.

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  char nullvalue[20];    /* The text to print when a NULL comes back from
                         ** the database */
  struct previous_mode_data explainPrev;
                         /* Holds the mode information just before
                         ** .explain ON */
  char outfile[FILENAME_MAX]; /* Filename for *out */
  const char *zDbFilename;    /* name of the database file */

  const char *zVfs;           /* Name of VFS to use */
  sqlite3_stmt *pStmt;   /* Current statement if any. */
  FILE *pLog;            /* Write log output here */
};

/*
** These are the allowed modes.
................................................................................
  "                         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      Print STRING in place of NULL values\n"

  ".output FILENAME       Send output to FILENAME\n"
  ".output stdout         Send output to the screen\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"
  ".schema ?TABLE?        Show the CREATE statements\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
** the database fails to open, print an error message and exit.
*/
static void open_db(struct callback_data *p){
  if( p->db==0 ){
    sqlite3_open(p->zDbFilename, &p->db);
    db = p->db;
    if( db && sqlite3_errcode(db)==SQLITE_OK ){
      sqlite3_create_function(db, "shellstatic", 0, SQLITE_UTF8, 0,
          shellstaticFunc, 0, 0);
    }
    if( db==0 || SQLITE_OK!=sqlite3_errcode(db) ){
      fprintf(stderr,"Error: unable to open database \"%s\": %s\n", 
          p->zDbFilename, sqlite3_errmsg(db));

      exit(1);
    }
#ifndef SQLITE_OMIT_LOAD_EXTENSION
    sqlite3_enable_load_extension(p->db, 1);
#endif
  }
}
................................................................................
    }
    rc = sqlite3_open(zDestFile, &pDest);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
      sqlite3_close(pDest);
      return 1;
    }
    open_db(p);
    pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
    if( pBackup==0 ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
      sqlite3_close(pDest);
      return 1;
    }
    while(  (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
................................................................................
  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
    bail_on_error = booleanValue(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);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 1;
    data.mode = MODE_Column;
    data.colWidth[0] = 3;
    data.colWidth[1] = 15;
    data.colWidth[2] = 58;
    data.cnt = 0;
................................................................................
      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);
    /* 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);
................................................................................
    char *zSql;                 /* An SQL statement */
    char *zLine;                /* A single line of input from the file */
    char **azCol;               /* zLine[] broken up into columns */
    char *zCommit;              /* How to commit changes */   
    FILE *in;                   /* The input file */
    int lineno = 0;             /* Line number of input file */

    open_db(p);
    nSep = strlen30(p->separator);
    if( nSep==0 ){
      fprintf(stderr, "Error: non-null separator required for import\n");
      return 1;
    }
    zSql = sqlite3_mprintf("SELECT * FROM %s", zTable);
    if( zSql==0 ){
................................................................................
    sqlite3_finalize(pStmt);
    sqlite3_exec(p->db, zCommit, 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);
    memcpy(&data, p, sizeof(data));
    data.showHeader = 0;
    data.mode = MODE_List;
    if( nArg==1 ){
      rc = sqlite3_exec(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
................................................................................

#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);
    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
................................................................................
    }
  }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], "output", n)==0 && nArg==2 ){
    if( p->out!=stdout ){
      fclose(p->out);
    }
    if( strcmp(azArg[1],"stdout")==0 ){
      p->out = stdout;
................................................................................
    }
    rc = sqlite3_open(zSrcFile, &pSrc);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
      sqlite3_close(pSrc);
      return 1;
    }
    open_db(p);
    pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
    if( pBackup==0 ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
      sqlite3_close(pSrc);
      return 1;
    }
    while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
................................................................................
    }
    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);
    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 ){
................................................................................
    p->statsOn = booleanValue(azArg[1]);
  }else

  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
    char **azResult;
    int nRow;
    char *zErrMsg;
    open_db(p);
    if( nArg==1 ){
      rc = sqlite3_get_table(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type IN ('table','view') "
................................................................................
      { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
      { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
      { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
    };
    int testctrl = -1;
    int rc = 0;
    int i, n;
    open_db(p);

    /* convert testctrl text option to value. allow any unique prefix
    ** of the option name, or a numerical value. */
    n = strlen30(azArg[1]);
    for(i=0; i<(int)(sizeof(aCtrl)/sizeof(aCtrl[0])); i++){
      if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){
        if( testctrl<0 ){
................................................................................
                  azArg[1]);
          break;
      }
    }
  }else

  if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
    open_db(p);
    sqlite3_busy_timeout(p->db, atoi(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=='v' && strncmp(azArg[0], "version", n)==0 ){
    printf("SQLite %s %s\n" /*extra-version-info*/,
        sqlite3_libversion(), sqlite3_sourceid());
  }else

  if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
    const char *zDbName = nArg==2 ? azArg[1] : "main";
................................................................................
      zSql[nSql++] = '\n';
      memcpy(&zSql[nSql], zLine, len+1);
      nSql += len;
    }
    if( zSql && _contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
                && sqlite3_complete(zSql) ){
      p->cnt = 0;
      open_db(p);
      BEGIN_TIMER;
      rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
      END_TIMER;
      if( rc || zErrMsg ){
        char zPrefix[100];
        if( in!=0 || !stdin_is_interactive ){
          sqlite3_snprintf(sizeof(zPrefix), zPrefix, 
................................................................................

  /* Go ahead and open the database file if it already exists.  If the
  ** file does not exist, delay opening it.  This prevents empty database
  ** files from being created if a user mistypes the database name argument
  ** to the sqlite command-line tool.
  */
  if( access(data.zDbFilename, 0)==0 ){
    open_db(&data);
  }

  /* Process the initialization file if there is one.  If no -init option
  ** is given on the command line, look for a file named ~/.sqliterc and
  ** try to process it.
  */
  rc = process_sqliterc(&data,zInitFile);
................................................................................
      if( i==argc-1 ) break;
      i++;
      z = argv[i];
      if( z[0]=='.' ){
        rc = do_meta_command(z, &data);
        if( rc && bail_on_error ) return rc;
      }else{
        open_db(&data);
        rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
        if( zErrMsg!=0 ){
          fprintf(stderr,"Error: %s\n", zErrMsg);
          if( bail_on_error ) return rc!=0 ? rc : 1;
        }else if( rc!=0 ){
          fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z);
          if( bail_on_error ) return rc;
................................................................................

  if( zFirstCmd ){
    /* Run just the command that follows the database name
    */
    if( zFirstCmd[0]=='.' ){
      rc = do_meta_command(zFirstCmd, &data);
    }else{
      open_db(&data);
      rc = shell_exec(data.db, zFirstCmd, shell_callback, &data, &zErrMsg);
      if( zErrMsg!=0 ){
        fprintf(stderr,"Error: %s\n", zErrMsg);
        return rc!=0 ? rc : 1;
      }else if( rc!=0 ){
        fprintf(stderr,"Error: unable to process SQL \"%s\"\n", zFirstCmd);
        return rc;
................................................................................
      rc = process_input(&data, stdin);
    }
  }
  set_table_name(&data, 0);
  if( data.db ){
    sqlite3_close(data.db);
  }

  return rc;
}







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  char nullvalue[20];    /* The text to print when a NULL comes back from
                         ** the database */
  struct previous_mode_data explainPrev;
                         /* Holds the mode information just before
                         ** .explain ON */
  char outfile[FILENAME_MAX]; /* Filename for *out */
  const char *zDbFilename;    /* name of the database file */
  char *zFreeOnClose;         /* Filename to free when closing */
  const char *zVfs;           /* Name of VFS to use */
  sqlite3_stmt *pStmt;   /* Current statement if any. */
  FILE *pLog;            /* Write log output here */
};

/*
** These are the allowed modes.
................................................................................
  "                         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      Print 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"
  ".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"
  ".schema ?TABLE?        Show the CREATE statements\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
** the database fails to open, print an error message and exit.
*/
static void open_db(struct callback_data *p, int keepAlive){
  if( p->db==0 ){
    sqlite3_open(p->zDbFilename, &p->db);
    db = p->db;
    if( db && sqlite3_errcode(db)==SQLITE_OK ){
      sqlite3_create_function(db, "shellstatic", 0, SQLITE_UTF8, 0,
          shellstaticFunc, 0, 0);
    }
    if( db==0 || SQLITE_OK!=sqlite3_errcode(db) ){
      fprintf(stderr,"Error: unable to open database \"%s\": %s\n", 
          p->zDbFilename, sqlite3_errmsg(db));
      if( keepAlive ) return;
      exit(1);
    }
#ifndef SQLITE_OMIT_LOAD_EXTENSION
    sqlite3_enable_load_extension(p->db, 1);
#endif
  }
}
................................................................................
    }
    rc = sqlite3_open(zDestFile, &pDest);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
      sqlite3_close(pDest);
      return 1;
    }
    open_db(p, 0);
    pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
    if( pBackup==0 ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
      sqlite3_close(pDest);
      return 1;
    }
    while(  (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
................................................................................
  if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
    bail_on_error = booleanValue(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;
    data.colWidth[1] = 15;
    data.colWidth[2] = 58;
    data.cnt = 0;
................................................................................
      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);
................................................................................
    char *zSql;                 /* An SQL statement */
    char *zLine;                /* A single line of input from the file */
    char **azCol;               /* zLine[] broken up into columns */
    char *zCommit;              /* How to commit changes */   
    FILE *in;                   /* The input file */
    int lineno = 0;             /* Line number of input file */

    open_db(p, 0);
    nSep = strlen30(p->separator);
    if( nSep==0 ){
      fprintf(stderr, "Error: non-null separator required for import\n");
      return 1;
    }
    zSql = sqlite3_mprintf("SELECT * FROM %s", zTable);
    if( zSql==0 ){
................................................................................
    sqlite3_finalize(pStmt);
    sqlite3_exec(p->db, zCommit, 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 ){
      rc = sqlite3_exec(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
................................................................................

#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
................................................................................
    }
  }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]);
    }
    open_db(p, 1);
    if( p->db!=0 ){
      sqlite3_close(savedDb);
      sqlite3_free(p->zFreeOnClose);
      p->zFreeOnClose = zNewFilename;
    }else{
      sqlite3_free(zNewFilename);
      p->db = savedDb;
      p->zDbFilename = zSavedFilename;
    }
  }else

  if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
    if( p->out!=stdout ){
      fclose(p->out);
    }
    if( strcmp(azArg[1],"stdout")==0 ){
      p->out = stdout;
................................................................................
    }
    rc = sqlite3_open(zSrcFile, &pSrc);
    if( rc!=SQLITE_OK ){
      fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
      sqlite3_close(pSrc);
      return 1;
    }
    open_db(p, 0);
    pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
    if( pBackup==0 ){
      fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
      sqlite3_close(pSrc);
      return 1;
    }
    while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
................................................................................
    }
    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 ){
................................................................................
    p->statsOn = booleanValue(azArg[1]);
  }else

  if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
    char **azResult;
    int nRow;
    char *zErrMsg;
    open_db(p, 0);
    if( nArg==1 ){
      rc = sqlite3_get_table(p->db,
        "SELECT name FROM sqlite_master "
        "WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' "
        "UNION ALL "
        "SELECT name FROM sqlite_temp_master "
        "WHERE type IN ('table','view') "
................................................................................
      { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
      { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
      { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
    };
    int testctrl = -1;
    int rc = 0;
    int i, n;
    open_db(p, 0);

    /* convert testctrl text option to value. allow any unique prefix
    ** of the option name, or a numerical value. */
    n = strlen30(azArg[1]);
    for(i=0; i<(int)(sizeof(aCtrl)/sizeof(aCtrl[0])); i++){
      if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){
        if( testctrl<0 ){
................................................................................
                  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, atoi(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=='v' && strncmp(azArg[0], "version", n)==0 ){
    printf("SQLite %s %s\n" /*extra-version-info*/,
        sqlite3_libversion(), sqlite3_sourceid());
  }else

  if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
    const char *zDbName = nArg==2 ? azArg[1] : "main";
................................................................................
      zSql[nSql++] = '\n';
      memcpy(&zSql[nSql], zLine, len+1);
      nSql += len;
    }
    if( zSql && _contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
                && sqlite3_complete(zSql) ){
      p->cnt = 0;
      open_db(p, 0);
      BEGIN_TIMER;
      rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
      END_TIMER;
      if( rc || zErrMsg ){
        char zPrefix[100];
        if( in!=0 || !stdin_is_interactive ){
          sqlite3_snprintf(sizeof(zPrefix), zPrefix, 
................................................................................

  /* Go ahead and open the database file if it already exists.  If the
  ** file does not exist, delay opening it.  This prevents empty database
  ** files from being created if a user mistypes the database name argument
  ** to the sqlite command-line tool.
  */
  if( access(data.zDbFilename, 0)==0 ){
    open_db(&data, 0);
  }

  /* Process the initialization file if there is one.  If no -init option
  ** is given on the command line, look for a file named ~/.sqliterc and
  ** try to process it.
  */
  rc = process_sqliterc(&data,zInitFile);
................................................................................
      if( i==argc-1 ) break;
      i++;
      z = argv[i];
      if( z[0]=='.' ){
        rc = do_meta_command(z, &data);
        if( rc && bail_on_error ) return rc;
      }else{
        open_db(&data, 0);
        rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
        if( zErrMsg!=0 ){
          fprintf(stderr,"Error: %s\n", zErrMsg);
          if( bail_on_error ) return rc!=0 ? rc : 1;
        }else if( rc!=0 ){
          fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z);
          if( bail_on_error ) return rc;
................................................................................

  if( zFirstCmd ){
    /* Run just the command that follows the database name
    */
    if( zFirstCmd[0]=='.' ){
      rc = do_meta_command(zFirstCmd, &data);
    }else{
      open_db(&data, 0);
      rc = shell_exec(data.db, zFirstCmd, shell_callback, &data, &zErrMsg);
      if( zErrMsg!=0 ){
        fprintf(stderr,"Error: %s\n", zErrMsg);
        return rc!=0 ? rc : 1;
      }else if( rc!=0 ){
        fprintf(stderr,"Error: unable to process SQL \"%s\"\n", zFirstCmd);
        return rc;
................................................................................
      rc = process_input(&data, stdin);
    }
  }
  set_table_name(&data, 0);
  if( data.db ){
    sqlite3_close(data.db);
  }
  sqlite3_free(data.zFreeOnClose); 
  return rc;
}

Changes to src/sqlite.h.in.

3941
3942
3943
3944
3945
3946
3947

3948
3949
3950
3951
3952
3953
3954
....
4198
4199
4200
4201
4202
4203
4204

4205
4206
4207
4208
4209
4210
4211
*/
const void *sqlite3_value_blob(sqlite3_value*);
int sqlite3_value_bytes(sqlite3_value*);
int sqlite3_value_bytes16(sqlite3_value*);
double sqlite3_value_double(sqlite3_value*);
int sqlite3_value_int(sqlite3_value*);
sqlite3_int64 sqlite3_value_int64(sqlite3_value*);

const unsigned char *sqlite3_value_text(sqlite3_value*);
const void *sqlite3_value_text16(sqlite3_value*);
const void *sqlite3_value_text16le(sqlite3_value*);
const void *sqlite3_value_text16be(sqlite3_value*);
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);

................................................................................
void sqlite3_result_error16(sqlite3_context*, const void*, int);
void sqlite3_result_error_toobig(sqlite3_context*);
void sqlite3_result_error_nomem(sqlite3_context*);
void sqlite3_result_error_code(sqlite3_context*, int);
void sqlite3_result_int(sqlite3_context*, int);
void sqlite3_result_int64(sqlite3_context*, sqlite3_int64);
void sqlite3_result_null(sqlite3_context*);

void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*));
void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*));
void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*));
void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*));
void sqlite3_result_value(sqlite3_context*, sqlite3_value*);
void sqlite3_result_zeroblob(sqlite3_context*, int n);








>







 







>







3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
....
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
*/
const void *sqlite3_value_blob(sqlite3_value*);
int sqlite3_value_bytes(sqlite3_value*);
int sqlite3_value_bytes16(sqlite3_value*);
double sqlite3_value_double(sqlite3_value*);
int sqlite3_value_int(sqlite3_value*);
sqlite3_int64 sqlite3_value_int64(sqlite3_value*);
void *sqlite3_value_pointer(sqlite3_value*);
const unsigned char *sqlite3_value_text(sqlite3_value*);
const void *sqlite3_value_text16(sqlite3_value*);
const void *sqlite3_value_text16le(sqlite3_value*);
const void *sqlite3_value_text16be(sqlite3_value*);
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);

................................................................................
void sqlite3_result_error16(sqlite3_context*, const void*, int);
void sqlite3_result_error_toobig(sqlite3_context*);
void sqlite3_result_error_nomem(sqlite3_context*);
void sqlite3_result_error_code(sqlite3_context*, int);
void sqlite3_result_int(sqlite3_context*, int);
void sqlite3_result_int64(sqlite3_context*, sqlite3_int64);
void sqlite3_result_null(sqlite3_context*);
void sqlite3_result_pointer(sqlite3_context*, void*);
void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*));
void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*));
void sqlite3_result_text16le(sqlite3_context*, const void*, int,void(*)(void*));
void sqlite3_result_text16be(sqlite3_context*, const void*, int,void(*)(void*));
void sqlite3_result_value(sqlite3_context*, sqlite3_value*);
void sqlite3_result_zeroblob(sqlite3_context*, int n);

Changes to src/sqliteInt.h.

2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
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2365
2366
2367
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2371
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2377
 * "SELECT" statement. The meanings of the other members is determined by the 
 * value of "op" as follows:
 *
 * (op == TK_INSERT)
 * orconf    -> stores the ON CONFLICT algorithm
 * pSelect   -> If this is an INSERT INTO ... SELECT ... statement, then
 *              this stores a pointer to the SELECT statement. Otherwise NULL.
 * target    -> A token holding the quoted name of the table to insert into.
 * pExprList -> If this is an INSERT INTO ... VALUES ... statement, then
 *              this stores values to be inserted. Otherwise NULL.
 * pIdList   -> If this is an INSERT INTO ... (<column-names>) VALUES ... 
 *              statement, then this stores the column-names to be
 *              inserted into.
 *
 * (op == TK_DELETE)
 * target    -> A token holding the quoted name of the table to delete from.
 * pWhere    -> The WHERE clause of the DELETE statement if one is specified.
 *              Otherwise NULL.
 * 
 * (op == TK_UPDATE)
 * target    -> A token holding the quoted name of the table to update rows of.
 * pWhere    -> The WHERE clause of the UPDATE statement if one is specified.
 *              Otherwise NULL.
 * pExprList -> A list of the columns to update and the expressions to update
 *              them to. See sqlite3Update() documentation of "pChanges"
 *              argument.
 * 
 */
struct TriggerStep {
  u8 op;               /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */
  u8 orconf;           /* OE_Rollback etc. */
  Trigger *pTrig;      /* The trigger that this step is a part of */
  Select *pSelect;     /* SELECT statment or RHS of INSERT INTO .. SELECT ... */
  Token target;        /* Target table for DELETE, UPDATE, INSERT */
  Expr *pWhere;        /* The WHERE clause for DELETE or UPDATE steps */
  ExprList *pExprList; /* SET clause for UPDATE.  VALUES clause for INSERT */
  IdList *pIdList;     /* Column names for INSERT */
  TriggerStep *pNext;  /* Next in the link-list */
  TriggerStep *pLast;  /* Last element in link-list. Valid for 1st elem only */
};








|







|




|











|
|







2337
2338
2339
2340
2341
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2370
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2373
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2375
2376
2377
 * "SELECT" statement. The meanings of the other members is determined by the 
 * value of "op" as follows:
 *
 * (op == TK_INSERT)
 * orconf    -> stores the ON CONFLICT algorithm
 * pSelect   -> If this is an INSERT INTO ... SELECT ... statement, then
 *              this stores a pointer to the SELECT statement. Otherwise NULL.
 * zTarget   -> Dequoted name of the table to insert into.
 * pExprList -> If this is an INSERT INTO ... VALUES ... statement, then
 *              this stores values to be inserted. Otherwise NULL.
 * pIdList   -> If this is an INSERT INTO ... (<column-names>) VALUES ... 
 *              statement, then this stores the column-names to be
 *              inserted into.
 *
 * (op == TK_DELETE)
 * zTarget   -> Dequoted name of the table to delete from.
 * pWhere    -> The WHERE clause of the DELETE statement if one is specified.
 *              Otherwise NULL.
 * 
 * (op == TK_UPDATE)
 * zTarget   -> Dequoted name of the table to update.
 * pWhere    -> The WHERE clause of the UPDATE statement if one is specified.
 *              Otherwise NULL.
 * pExprList -> A list of the columns to update and the expressions to update
 *              them to. See sqlite3Update() documentation of "pChanges"
 *              argument.
 * 
 */
struct TriggerStep {
  u8 op;               /* One of TK_DELETE, TK_UPDATE, TK_INSERT, TK_SELECT */
  u8 orconf;           /* OE_Rollback etc. */
  Trigger *pTrig;      /* The trigger that this step is a part of */
  Select *pSelect;     /* SELECT statement or RHS of INSERT INTO SELECT ... */
  char *zTarget;       /* Target table for DELETE, UPDATE, INSERT */
  Expr *pWhere;        /* The WHERE clause for DELETE or UPDATE steps */
  ExprList *pExprList; /* SET clause for UPDATE.  VALUES clause for INSERT */
  IdList *pIdList;     /* Column names for INSERT */
  TriggerStep *pNext;  /* Next in the link-list */
  TriggerStep *pLast;  /* Last element in link-list. Valid for 1st elem only */
};

Changes to src/trigger.c.

369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
...
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682

683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
static TriggerStep *triggerStepAllocate(
  sqlite3 *db,                /* Database connection */
  u8 op,                      /* Trigger opcode */
  Token *pName                /* The target name */
){
  TriggerStep *pTriggerStep;

  pTriggerStep = sqlite3DbMallocZero(db, sizeof(TriggerStep) + pName->n);
  if( pTriggerStep ){
    char *z = (char*)&pTriggerStep[1];
    memcpy(z, pName->z, pName->n);
    pTriggerStep->target.z = z;
    pTriggerStep->target.n = pName->n;
    pTriggerStep->op = op;
  }
  return pTriggerStep;
}

/*
** Build a trigger step out of an INSERT statement.  Return a pointer
................................................................................
  if( pMask ){
    *pMask = mask;
  }
  return (mask ? pList : 0);
}

/*
** Convert the pStep->target token into a SrcList and return a pointer
** to that SrcList.
**
** This routine adds a specific database name, if needed, to the target when
** forming the SrcList.  This prevents a trigger in one database from
** referring to a target in another database.  An exception is when the
** trigger is in TEMP in which case it can refer to any other database it
** wants.
*/
static SrcList *targetSrcList(
  Parse *pParse,       /* The parsing context */
  TriggerStep *pStep   /* The trigger containing the target token */
){

  int iDb;             /* Index of the database to use */
  SrcList *pSrc;       /* SrcList to be returned */

  pSrc = sqlite3SrcListAppend(pParse->db, 0, &pStep->target, 0);
  if( pSrc ){
    assert( pSrc->nSrc>0 );
    assert( pSrc->a!=0 );
    iDb = sqlite3SchemaToIndex(pParse->db, pStep->pTrig->pSchema);
    if( iDb==0 || iDb>=2 ){
      sqlite3 *db = pParse->db;
      assert( iDb<pParse->db->nDb );
      pSrc->a[pSrc->nSrc-1].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
    }
  }
  return pSrc;
}

/*







|



|
|







 







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>



|


|
|

<
|







369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
...
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692

693
694
695
696
697
698
699
700
static TriggerStep *triggerStepAllocate(
  sqlite3 *db,                /* Database connection */
  u8 op,                      /* Trigger opcode */
  Token *pName                /* The target name */
){
  TriggerStep *pTriggerStep;

  pTriggerStep = sqlite3DbMallocZero(db, sizeof(TriggerStep) + pName->n + 1);
  if( pTriggerStep ){
    char *z = (char*)&pTriggerStep[1];
    memcpy(z, pName->z, pName->n);
    sqlite3Dequote(z);
    pTriggerStep->zTarget = z;
    pTriggerStep->op = op;
  }
  return pTriggerStep;
}

/*
** Build a trigger step out of an INSERT statement.  Return a pointer
................................................................................
  if( pMask ){
    *pMask = mask;
  }
  return (mask ? pList : 0);
}

/*
** Convert the pStep->zTarget string into a SrcList and return a pointer
** to that SrcList.
**
** This routine adds a specific database name, if needed, to the target when
** forming the SrcList.  This prevents a trigger in one database from
** referring to a target in another database.  An exception is when the
** trigger is in TEMP in which case it can refer to any other database it
** wants.
*/
static SrcList *targetSrcList(
  Parse *pParse,       /* The parsing context */
  TriggerStep *pStep   /* The trigger containing the target token */
){
  sqlite3 *db = pParse->db;
  int iDb;             /* Index of the database to use */
  SrcList *pSrc;       /* SrcList to be returned */

  pSrc = sqlite3SrcListAppend(db, 0, 0, 0);
  if( pSrc ){
    assert( pSrc->nSrc>0 );
    pSrc->a[pSrc->nSrc-1].zName = sqlite3DbStrDup(db, pStep->zTarget);
    iDb = sqlite3SchemaToIndex(db, pStep->pTrig->pSchema);
    if( iDb==0 || iDb>=2 ){

      assert( iDb<db->nDb );
      pSrc->a[pSrc->nSrc-1].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
    }
  }
  return pSrc;
}

/*

Changes to src/vdbeInt.h.

147
148
149
150
151
152
153

154
155
156
157
158
159
160
...
190
191
192
193
194
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196

197
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201
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...
205
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207
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209
210
211
212
213
214
215
216
217
218
219
struct Mem {
  sqlite3 *db;        /* The associated database connection */
  char *z;            /* String or BLOB value */
  double r;           /* Real value */
  union {
    i64 i;              /* Integer value used when MEM_Int is set in flags */
    int nZero;          /* Used when bit MEM_Zero is set in flags */

    FuncDef *pDef;      /* Used only when flags==MEM_Agg */
    RowSet *pRowSet;    /* Used only when flags==MEM_RowSet */
    VdbeFrame *pFrame;  /* Used when flags==MEM_Frame */
  } u;
  int n;              /* Number of characters in string value, excluding '\0' */
  u16 flags;          /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */
  u8  type;           /* One of SQLITE_NULL, SQLITE_TEXT, SQLITE_INTEGER, etc */
................................................................................
#define MEM_TypeMask  0x00ff   /* Mask of type bits */

/* Whenever Mem contains a valid string or blob representation, one of
** the following flags must be set to determine the memory management
** policy for Mem.z.  The MEM_Term flag tells us whether or not the
** string is \000 or \u0000 terminated
*/

#define MEM_Term      0x0200   /* String rep is nul terminated */
#define MEM_Dyn       0x0400   /* Need to call sqliteFree() on Mem.z */
#define MEM_Static    0x0800   /* Mem.z points to a static string */
#define MEM_Ephem     0x1000   /* Mem.z points to an ephemeral string */
#define MEM_Agg       0x2000   /* Mem.z points to an agg function context */
#define MEM_Zero      0x4000   /* Mem.i contains count of 0s appended to blob */
#ifdef SQLITE_OMIT_INCRBLOB
................................................................................
  #define MEM_Zero 0x0000
#endif

/*
** Clear any existing type flags from a Mem and replace them with f
*/
#define MemSetTypeFlag(p, f) \
   ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero))|f)

/*
** Return true if a memory cell is not marked as invalid.  This macro
** is for use inside assert() statements only.
*/
#ifdef SQLITE_DEBUG
#define memIsValid(M)  ((M)->flags & MEM_Invalid)==0







>







 







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struct Mem {
  sqlite3 *db;        /* The associated database connection */
  char *z;            /* String or BLOB value */
  double r;           /* Real value */
  union {
    i64 i;              /* Integer value used when MEM_Int is set in flags */
    int nZero;          /* Used when bit MEM_Zero is set in flags */
    void *pPtr;         /* Pointer when flags==MEM_Ptr|MEM_Null */
    FuncDef *pDef;      /* Used only when flags==MEM_Agg */
    RowSet *pRowSet;    /* Used only when flags==MEM_RowSet */
    VdbeFrame *pFrame;  /* Used when flags==MEM_Frame */
  } u;
  int n;              /* Number of characters in string value, excluding '\0' */
  u16 flags;          /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */
  u8  type;           /* One of SQLITE_NULL, SQLITE_TEXT, SQLITE_INTEGER, etc */
................................................................................
#define MEM_TypeMask  0x00ff   /* Mask of type bits */

/* Whenever Mem contains a valid string or blob representation, one of
** the following flags must be set to determine the memory management
** policy for Mem.z.  The MEM_Term flag tells us whether or not the
** string is \000 or \u0000 terminated
*/
#define MEM_Ptr       0x8000   /* u.pPtr is valid if type==SQLITE_NULL */
#define MEM_Term      0x0200   /* String rep is nul terminated */
#define MEM_Dyn       0x0400   /* Need to call sqliteFree() on Mem.z */
#define MEM_Static    0x0800   /* Mem.z points to a static string */
#define MEM_Ephem     0x1000   /* Mem.z points to an ephemeral string */
#define MEM_Agg       0x2000   /* Mem.z points to an agg function context */
#define MEM_Zero      0x4000   /* Mem.i contains count of 0s appended to blob */
#ifdef SQLITE_OMIT_INCRBLOB
................................................................................
  #define MEM_Zero 0x0000
#endif

/*
** Clear any existing type flags from a Mem and replace them with f
*/
#define MemSetTypeFlag(p, f) \
   ((p)->flags = ((p)->flags&~(MEM_TypeMask|MEM_Zero|MEM_Ptr))|f)

/*
** Return true if a memory cell is not marked as invalid.  This macro
** is for use inside assert() statements only.
*/
#ifdef SQLITE_DEBUG
#define memIsValid(M)  ((M)->flags & MEM_Invalid)==0

Changes to src/vdbeapi.c.

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  return sqlite3VdbeRealValue((Mem*)pVal);
}
int sqlite3_value_int(sqlite3_value *pVal){
  return (int)sqlite3VdbeIntValue((Mem*)pVal);
}
sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){
  return sqlite3VdbeIntValue((Mem*)pVal);





}
const unsigned char *sqlite3_value_text(sqlite3_value *pVal){
  return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8);
}
#ifndef SQLITE_OMIT_UTF16
const void *sqlite3_value_text16(sqlite3_value* pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
................................................................................
void sqlite3_result_int(sqlite3_context *pCtx, int iVal){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetInt64(&pCtx->s, (i64)iVal);
}
void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetInt64(&pCtx->s, iVal);







}
void sqlite3_result_null(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetNull(&pCtx->s);
}
void sqlite3_result_text(
  sqlite3_context *pCtx, 







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  return sqlite3VdbeRealValue((Mem*)pVal);
}
int sqlite3_value_int(sqlite3_value *pVal){
  return (int)sqlite3VdbeIntValue((Mem*)pVal);
}
sqlite_int64 sqlite3_value_int64(sqlite3_value *pVal){
  return sqlite3VdbeIntValue((Mem*)pVal);
}
void *sqlite3_value_pointer(sqlite3_value *pVal){
  Mem *p = (Mem*)pVal;
  if( (p->flags&(MEM_TypeMask|MEM_Ptr))==(MEM_Null|MEM_Ptr) ) return p->u.pPtr;
  return 0;
}
const unsigned char *sqlite3_value_text(sqlite3_value *pVal){
  return (const unsigned char *)sqlite3ValueText(pVal, SQLITE_UTF8);
}
#ifndef SQLITE_OMIT_UTF16
const void *sqlite3_value_text16(sqlite3_value* pVal){
  return sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
................................................................................
void sqlite3_result_int(sqlite3_context *pCtx, int iVal){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetInt64(&pCtx->s, (i64)iVal);
}
void sqlite3_result_int64(sqlite3_context *pCtx, i64 iVal){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetInt64(&pCtx->s, iVal);
}
void sqlite3_result_pointer(sqlite3_context *pCtx, void *pPtr){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetNull(&pCtx->s);
  assert( (pCtx->s.flags & (MEM_TypeMask|MEM_Ptr))==MEM_Null );
  pCtx->s.flags |= MEM_Ptr;
  pCtx->s.u.pPtr = pPtr;
}
void sqlite3_result_null(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->s.db->mutex) );
  sqlite3VdbeMemSetNull(&pCtx->s);
}
void sqlite3_result_text(
  sqlite3_context *pCtx, 

Changes to src/vtab.c.

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** this struct allocated on the stack. It is used by the implementation of 
** the sqlite3_declare_vtab() and sqlite3_vtab_config() APIs, both of which
** are invoked only from within xCreate and xConnect methods.
*/
struct VtabCtx {
  Table *pTab;
  VTable *pVTable;


};

/*
** The actual function that does the work of creating a new module.
** This function implements the sqlite3_create_module() and
** sqlite3_create_module_v2() interfaces.
*/
................................................................................
){
  VtabCtx sCtx;
  VTable *pVTable;
  int rc;
  const char *const*azArg = (const char *const*)pTab->azModuleArg;
  int nArg = pTab->nModuleArg;
  char *zErr = 0;






  char *zModuleName = sqlite3MPrintf(db, "%s", pTab->zName);







  if( !zModuleName ){
    return SQLITE_NOMEM;
  }

  pVTable = sqlite3DbMallocZero(db, sizeof(VTable));
  if( !pVTable ){
    sqlite3DbFree(db, zModuleName);
................................................................................
  pVTable->pMod = pMod;

  /* Invoke the virtual table constructor */
  assert( &db->pVtabCtx );
  assert( xConstruct );
  sCtx.pTab = pTab;
  sCtx.pVTable = pVTable;


  db->pVtabCtx = &sCtx;
  rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr);
  db->pVtabCtx = 0;
  if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;


  if( SQLITE_OK!=rc ){
    if( zErr==0 ){
      *pzErr = sqlite3MPrintf(db, "vtable constructor failed: %s", zModuleName);
    }else {
      *pzErr = sqlite3MPrintf(db, "%s", zErr);
      sqlite3_free(zErr);
................................................................................
    }
    sqlite3DbFree(db, pVTable);
  }else if( ALWAYS(pVTable->pVtab) ){
    /* Justification of ALWAYS():  A correct vtab constructor must allocate
    ** the sqlite3_vtab object if successful.  */
    pVTable->pVtab->pModule = pMod->pModule;
    pVTable->nRef = 1;
    if( sCtx.pTab ){
      const char *zFormat = "vtable constructor did not declare schema: %s";
      *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName);
      sqlite3VtabUnlock(pVTable);
      rc = SQLITE_ERROR;
    }else{
      int iCol;
      /* If everything went according to plan, link the new VTable structure
................................................................................

/*
** This function is used to set the schema of a virtual table.  It is only
** valid to call this function from within the xCreate() or xConnect() of a
** virtual table module.
*/
int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){

  Parse *pParse;

  int rc = SQLITE_OK;
  Table *pTab;
  char *zErr = 0;

  sqlite3_mutex_enter(db->mutex);
  if( !db->pVtabCtx || !(pTab = db->pVtabCtx->pTab) ){
    sqlite3Error(db, SQLITE_MISUSE, 0);
    sqlite3_mutex_leave(db->mutex);
    return SQLITE_MISUSE_BKPT;
  }

  assert( (pTab->tabFlags & TF_Virtual)!=0 );

  pParse = sqlite3StackAllocZero(db, sizeof(*pParse));
  if( pParse==0 ){
    rc = SQLITE_NOMEM;
  }else{
    pParse->declareVtab = 1;
................................................................................
    ){
      if( !pTab->aCol ){
        pTab->aCol = pParse->pNewTable->aCol;
        pTab->nCol = pParse->pNewTable->nCol;
        pParse->pNewTable->nCol = 0;
        pParse->pNewTable->aCol = 0;
      }
      db->pVtabCtx->pTab = 0;
    }else{
      sqlite3Error(db, SQLITE_ERROR, (zErr ? "%s" : 0), zErr);
      sqlite3DbFree(db, zErr);
      rc = SQLITE_ERROR;
    }
    pParse->declareVtab = 0;
  







>
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<





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>







 







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** this struct allocated on the stack. It is used by the implementation of 
** the sqlite3_declare_vtab() and sqlite3_vtab_config() APIs, both of which
** are invoked only from within xCreate and xConnect methods.
*/
struct VtabCtx {
  Table *pTab;
  VTable *pVTable;
  VtabCtx *pPrior;    /* Parent context (if any) */
  int bDeclared;      /* True after sqlite3_declare_vtab() is called */
};

/*
** The actual function that does the work of creating a new module.
** This function implements the sqlite3_create_module() and
** sqlite3_create_module_v2() interfaces.
*/
................................................................................
){
  VtabCtx sCtx;
  VTable *pVTable;
  int rc;
  const char *const*azArg = (const char *const*)pTab->azModuleArg;
  int nArg = pTab->nModuleArg;
  char *zErr = 0;
  char *zModuleName;
  VtabCtx *pCtx;

  /* Check that the virtual-table is not already being initialized */
  for(pCtx=db->pVtabCtx; pCtx; pCtx=pCtx->pPrior){
    if( pCtx->pTab==pTab ){
      *pzErr = sqlite3MPrintf(db, 
          "vtable constructor called recursively: %s", pTab->zName
      );
      return SQLITE_LOCKED;
    }
  }

  zModuleName = sqlite3MPrintf(db, "%s", pTab->zName);
  if( !zModuleName ){
    return SQLITE_NOMEM;
  }

  pVTable = sqlite3DbMallocZero(db, sizeof(VTable));
  if( !pVTable ){
    sqlite3DbFree(db, zModuleName);
................................................................................
  pVTable->pMod = pMod;

  /* Invoke the virtual table constructor */
  assert( &db->pVtabCtx );
  assert( xConstruct );
  sCtx.pTab = pTab;
  sCtx.pVTable = pVTable;
  sCtx.pPrior = db->pVtabCtx;
  sCtx.bDeclared = 0;
  db->pVtabCtx = &sCtx;
  rc = xConstruct(db, pMod->pAux, nArg, azArg, &pVTable->pVtab, &zErr);
  db->pVtabCtx = sCtx.pPrior;
  if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;
  assert( sCtx.pTab==pTab );

  if( SQLITE_OK!=rc ){
    if( zErr==0 ){
      *pzErr = sqlite3MPrintf(db, "vtable constructor failed: %s", zModuleName);
    }else {
      *pzErr = sqlite3MPrintf(db, "%s", zErr);
      sqlite3_free(zErr);
................................................................................
    }
    sqlite3DbFree(db, pVTable);
  }else if( ALWAYS(pVTable->pVtab) ){
    /* Justification of ALWAYS():  A correct vtab constructor must allocate
    ** the sqlite3_vtab object if successful.  */
    pVTable->pVtab->pModule = pMod->pModule;
    pVTable->nRef = 1;
    if( sCtx.bDeclared==0 ){
      const char *zFormat = "vtable constructor did not declare schema: %s";
      *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName);
      sqlite3VtabUnlock(pVTable);
      rc = SQLITE_ERROR;
    }else{
      int iCol;
      /* If everything went according to plan, link the new VTable structure
................................................................................

/*
** This function is used to set the schema of a virtual table.  It is only
** valid to call this function from within the xCreate() or xConnect() of a
** virtual table module.
*/
int sqlite3_declare_vtab(sqlite3 *db, const char *zCreateTable){
  VtabCtx *pCtx = db->pVtabCtx;
  Parse *pParse;

  int rc = SQLITE_OK;
  Table *pTab;
  char *zErr = 0;

  sqlite3_mutex_enter(db->mutex);
  if( !pCtx || pCtx->bDeclared ){
    sqlite3Error(db, SQLITE_MISUSE, 0);
    sqlite3_mutex_leave(db->mutex);
    return SQLITE_MISUSE_BKPT;
  }
  pTab = pCtx->pTab;
  assert( (pTab->tabFlags & TF_Virtual)!=0 );

  pParse = sqlite3StackAllocZero(db, sizeof(*pParse));
  if( pParse==0 ){
    rc = SQLITE_NOMEM;
  }else{
    pParse->declareVtab = 1;
................................................................................
    ){
      if( !pTab->aCol ){
        pTab->aCol = pParse->pNewTable->aCol;
        pTab->nCol = pParse->pNewTable->nCol;
        pParse->pNewTable->nCol = 0;
        pParse->pNewTable->aCol = 0;
      }
      pCtx->bDeclared = 1;
    }else{
      sqlite3Error(db, SQLITE_ERROR, (zErr ? "%s" : 0), zErr);
      sqlite3DbFree(db, zErr);
      rc = SQLITE_ERROR;
    }
    pParse->declareVtab = 0;
  

Changes to test/analyze.test.

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    UPDATE sqlite_master SET sql='nonsense' WHERE name='sqlite_stat1';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql {
    ANALYZE
  }
} {1 {malformed database schema (sqlite_stat1) - near "nonsense": syntax error}}


finish_test







|



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    UPDATE sqlite_master SET sql='nonsense' WHERE name='sqlite_stat1';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql {
    ANALYZE
  }
} {1 {malformed database schema (sqlite_stat1)}}


finish_test

Changes to test/e_reindex.test.

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#    Test this by corrupting some database indexes, running REINDEX, and
#    observing that the corruption is gone.
#
do_execsql_test e_reindex-1.1 {
  INSERT INTO t1 VALUES(1, 2);
  INSERT INTO t1 VALUES(3, 4);
  INSERT INTO t1 VALUES(5, 6);


  PRAGMA writable_schema = 1;
  UPDATE sqlite_master SET sql = '-- ' || sql WHERE type = 'index';
} {}

db close
sqlite3 db test.db
do_execsql_test e_reindex-1.2 {
  DELETE FROM t1 WHERE a = 3;
  INSERT INTO t1 VALUES(7, 8);
  INSERT INTO t1 VALUES(9, 10);
  PRAGMA writable_schema = 1;
  UPDATE sqlite_master SET sql = substr(sql, 4) WHERE type = 'index';

} {}

db close
sqlite3 db test.db
do_execsql_test e_reindex-1.3 {
  PRAGMA integrity_check;
} [list \







>
>

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>







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#    Test this by corrupting some database indexes, running REINDEX, and
#    observing that the corruption is gone.
#
do_execsql_test e_reindex-1.1 {
  INSERT INTO t1 VALUES(1, 2);
  INSERT INTO t1 VALUES(3, 4);
  INSERT INTO t1 VALUES(5, 6);
  CREATE TABLE saved(a,b,c,d,e);
  INSERT INTO saved SELECT * FROM sqlite_master WHERE type = 'index';
  PRAGMA writable_schema = 1;
  DELETE FROM sqlite_master WHERE type = 'index';
} {}

db close
sqlite3 db test.db
do_execsql_test e_reindex-1.2 {
  DELETE FROM t1 WHERE a = 3;
  INSERT INTO t1 VALUES(7, 8);
  INSERT INTO t1 VALUES(9, 10);
  PRAGMA writable_schema = 1;
  INSERT INTO sqlite_master SELECT * FROM saved;
  DROP TABLE saved;
} {}

db close
sqlite3 db test.db
do_execsql_test e_reindex-1.3 {
  PRAGMA integrity_check;
} [list \

Changes to test/fkey1.test.

113
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121
    );
    PRAGMA foreign_key_list(t9);
  }
} [concat                        \
  {0 0 t5 d {} {SET DEFAULT} CASCADE NONE} \
  {0 1 t5 e {} {SET DEFAULT} CASCADE NONE} \
]































finish_test








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    );
    PRAGMA foreign_key_list(t9);
  }
} [concat                        \
  {0 0 t5 d {} {SET DEFAULT} CASCADE NONE} \
  {0 1 t5 e {} {SET DEFAULT} CASCADE NONE} \
]

# Stress the dequoting logic.  The first test is not so bad.
do_execsql_test fkey1-4.0 {
  PRAGMA foreign_keys=ON;
  CREATE TABLE "xx1"("xx2" TEXT PRIMARY KEY, "xx3" TEXT);
  INSERT INTO "xx1"("xx2","xx3") VALUES('abc','def');
  CREATE TABLE "xx4"("xx5" TEXT REFERENCES "xx1" ON DELETE CASCADE);
  INSERT INTO "xx4"("xx5") VALUES('abc');
  INSERT INTO "xx1"("xx2","xx3") VALUES('uvw','xyz');
  SELECT 1, "xx5" FROM "xx4";
  DELETE FROM "xx1";
  SELECT 2, "xx5" FROM "xx4";
} {1 abc}

# This case is identical to the previous except the "xx" in each name
# is changed to a single escaped double-quote character.
do_execsql_test fkey1-4.1 {
  PRAGMA foreign_keys=ON;
  CREATE TABLE """1"("""2" TEXT PRIMARY KEY, """3" TEXT);
  INSERT INTO """1"("""2","""3") VALUES('abc','def');
  CREATE TABLE """4"("""5" TEXT REFERENCES """1" ON DELETE CASCADE);
  INSERT INTO """4"("""5") VALUES('abc');
  INSERT INTO """1"("""2","""3") VALUES('uvw','xyz');
  SELECT 1, """5" FROM """4";
  DELETE FROM """1";
  SELECT 2, """5" FROM """4";
} {1 abc}
do_execsql_test fkey1-4.2 {
  PRAGMA table_info="""1";
} {0 {"2} TEXT 0 {} 1 1 {"3} TEXT 0 {} 0}

finish_test

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#
do_catchsql_test 5.1 {
  CREATE VIRTUAL TABLE t4 USING fts4(prefix="abc");
} {1 {error parsing prefix parameter: abc}}
do_catchsql_test 5.2 {
  CREATE VIRTUAL TABLE t4 USING fts4(prefix="");
} {0 {}}

































































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#
do_catchsql_test 5.1 {
  CREATE VIRTUAL TABLE t4 USING fts4(prefix="abc");
} {1 {error parsing prefix parameter: abc}}
do_catchsql_test 5.2 {
  CREATE VIRTUAL TABLE t4 USING fts4(prefix="");
} {0 {}}
do_catchsql_test 5.3 {
  CREATE VIRTUAL TABLE t5 USING fts4(prefix="-1");
} {1 {error parsing prefix parameter: -1}}

#-------------------------------------------------------------------------
# Prefix indexes of size 0 are ignored. Demonstrate this by showing that
# adding prefix=0 does not change the contents of the %_segdir table.
#
reset_db
do_execsql_test 6.1.1 {
  CREATE VIRTUAL TABLE t1 USING fts4(prefix=0);
  CREATE VIRTUAL TABLE t2 USING fts4;
  INSERT INTO t1 VALUES('Twas Mulga Bill, from Eaglehawk, ');
  INSERT INTO t2 VALUES('Twas Mulga Bill, from Eaglehawk, ');
} {}
do_execsql_test 6.1.2 {
  SELECT md5sum(quote(root)) FROM t1_segdir;
} [db eval {SELECT md5sum(quote(root)) FROM t2_segdir}]

reset_db
do_execsql_test 6.2.1 {
  CREATE VIRTUAL TABLE t1 USING fts4(prefix="1,0,2");
  CREATE VIRTUAL TABLE t2 USING fts4(prefix="1,2");
  INSERT INTO t1 VALUES('that caught the cycling craze;');
  INSERT INTO t2 VALUES('that caught the cycling craze;');
} {}
do_execsql_test 6.2.2 {
  SELECT md5sum(quote(root)) FROM t1_segdir;
} [db eval {SELECT md5sum(quote(root)) FROM t2_segdir}]

reset_db
do_execsql_test 6.3.1 {
  CREATE VIRTUAL TABLE t1 USING fts4(prefix="1,3,2");
  CREATE VIRTUAL TABLE t2 USING fts4(prefix="1,2");
  INSERT INTO t1 VALUES('He turned away the good old horse');
  INSERT INTO t2 VALUES('He turned away the good old horse');
} {}
do_test 6.3.2 {
  set one [db eval {SELECT md5sum(quote(root)) FROM t1_segdir}]
  set two [db eval {SELECT md5sum(quote(root)) FROM t2_segdir}]
  expr {$one == $two}
} 0

reset_db
do_execsql_test 6.4.1 {
  CREATE VIRTUAL TABLE t1 USING fts4(prefix="1,600,2");
  CREATE VIRTUAL TABLE t2 USING fts4(prefix="1,2");
  INSERT INTO t1 VALUES('that served him many days;');
  INSERT INTO t2 VALUES('that served him many days;');
} {}
do_execsql_test 6.4.2 {
  SELECT md5sum(quote(root)) FROM t1_segdir;
} [db eval {SELECT md5sum(quote(root)) FROM t2_segdir}]

reset_db
do_execsql_test 6.5.1 {
  CREATE VIRTUAL TABLE t1 USING fts4(prefix="2147483647,2147483648,2147483649");
  CREATE VIRTUAL TABLE t2 USING fts4(prefix="");
  INSERT INTO t1 VALUES('He dressed himself in cycling clothes');
  INSERT INTO t2 VALUES('He dressed himself in cycling clothes');
} {}
do_execsql_test 6.5.2 {
  SELECT md5sum(quote(root)) FROM t1_segdir;
} [db eval {SELECT md5sum(quote(root)) FROM t2_segdir}]

finish_test

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#   7.* - Test that if content=xxx is specified and table xxx does not
#         exist, the FTS table can still be used for INSERT and some
#         SELECT statements.
#
#   8.* - Test that if the content=xxx and prefix options are used together,
#         the 'rebuild' command still works.
#




do_execsql_test 1.1.1 {
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES('w x', 'x y', 'y z');
  CREATE VIRTUAL TABLE ft1 USING fts4(content=t1);
}

................................................................................
}

#-------------------------------------------------------------------------
# Test cases 6.* test 
# 
do_catchsql_test 6.1.1 {
  CREATE VIRTUAL TABLE ft7 USING fts4(content=t7);
} {1 {vtable constructor failed: ft7}}

do_execsql_test 6.2.1 {
  CREATE TABLE t7(one, two);
  CREATE VIRTUAL TABLE ft7 USING fts4(content=t7);
  INSERT INTO t7 VALUES('A B', 'B A');
  INSERT INTO t7 VALUES('C D', 'A A');
  SELECT * FROM ft7;
................................................................................
  SELECT name FROM sqlite_master WHERE name LIKE '%t7%'
} {
  ft7 ft7_segments ft7_segdir sqlite_autoindex_ft7_segdir_1 
  ft7_docsize ft7_stat
}
do_catchsql_test 6.2.4 {
  SELECT * FROM ft7;
} {1 {vtable constructor failed: ft7}}
do_execsql_test 6.2.5 {
  CREATE TABLE t7(x, y);
  INSERT INTO t7 VALUES('A B', 'B A');
  INSERT INTO t7 VALUES('C D', 'A A');
  SELECT * FROM ft7;
} {
  {A B} {B A} {C D} {A A}
................................................................................
}

do_execsql_test 8.2 { SELECT * FROM ft10 WHERE a MATCH 'ab*';          }
do_execsql_test 8.3 { INSERT INTO ft10(ft10) VALUES('rebuild');        }
do_execsql_test 8.4 { SELECT rowid FROM ft10 WHERE a MATCH 'ab*';      } {1 2 3}
do_execsql_test 8.5 { SELECT rowid FROM ft10 WHERE b MATCH 'abav*';    } {3}
do_execsql_test 8.6 { SELECT rowid FROM ft10 WHERE ft10 MATCH 'abas*'; } {1}














































finish_test







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#   7.* - Test that if content=xxx is specified and table xxx does not
#         exist, the FTS table can still be used for INSERT and some
#         SELECT statements.
#
#   8.* - Test that if the content=xxx and prefix options are used together,
#         the 'rebuild' command still works.
#
#   11.* - Test that circular references (e.g. "t1(content=t1)") are
#          detected.
#

do_execsql_test 1.1.1 {
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES('w x', 'x y', 'y z');
  CREATE VIRTUAL TABLE ft1 USING fts4(content=t1);
}

................................................................................
}

#-------------------------------------------------------------------------
# Test cases 6.* test 
# 
do_catchsql_test 6.1.1 {
  CREATE VIRTUAL TABLE ft7 USING fts4(content=t7);
} {1 {no such table: main.t7}}

do_execsql_test 6.2.1 {
  CREATE TABLE t7(one, two);
  CREATE VIRTUAL TABLE ft7 USING fts4(content=t7);
  INSERT INTO t7 VALUES('A B', 'B A');
  INSERT INTO t7 VALUES('C D', 'A A');
  SELECT * FROM ft7;
................................................................................
  SELECT name FROM sqlite_master WHERE name LIKE '%t7%'
} {
  ft7 ft7_segments ft7_segdir sqlite_autoindex_ft7_segdir_1 
  ft7_docsize ft7_stat
}
do_catchsql_test 6.2.4 {
  SELECT * FROM ft7;
} {1 {no such table: main.t7}}
do_execsql_test 6.2.5 {
  CREATE TABLE t7(x, y);
  INSERT INTO t7 VALUES('A B', 'B A');
  INSERT INTO t7 VALUES('C D', 'A A');
  SELECT * FROM ft7;
} {
  {A B} {B A} {C D} {A A}
................................................................................
}

do_execsql_test 8.2 { SELECT * FROM ft10 WHERE a MATCH 'ab*';          }
do_execsql_test 8.3 { INSERT INTO ft10(ft10) VALUES('rebuild');        }
do_execsql_test 8.4 { SELECT rowid FROM ft10 WHERE a MATCH 'ab*';      } {1 2 3}
do_execsql_test 8.5 { SELECT rowid FROM ft10 WHERE b MATCH 'abav*';    } {3}
do_execsql_test 8.6 { SELECT rowid FROM ft10 WHERE ft10 MATCH 'abas*'; } {1}

#-------------------------------------------------------------------------
# Test cases 9.*
# 
reset_db
register_echo_module [sqlite3_connection_pointer db]

do_execsql_test 9.1 {
  CREATE TABLE tbl1(a, b);
  INSERT INTO tbl1 VALUES('a b', 'c d');
  INSERT INTO tbl1 VALUES('e f', 'a b');
  CREATE VIRTUAL TABLE e1 USING echo(tbl1);
  CREATE VIRTUAL TABLE ft1 USING fts4(content=e1);
  INSERT INTO ft1(ft1) VALUES('rebuild');
}

do_execsql_test 9.2 {
  SELECT rowid, * FROM ft1 WHERE ft1 MATCH 'e'
} {2 {e f} {a b}}

do_execsql_test 9.3 {
  SELECT rowid, * FROM ft1 WHERE ft1 MATCH 'a'
} {1 {a b} {c d} 2 {e f} {a b}}

do_execsql_test 9.4 { 
  DELETE FROM ft1 WHERE docid=1;
}

do_execsql_test 9.5 {
  SELECT rowid, * FROM ft1 WHERE ft1 MATCH 'a'
} {2 {e f} {a b}}

do_execsql_test 9.6 {
  INSERT INTO ft1(ft1) VALUES('rebuild');
  SELECT rowid, * FROM ft1 WHERE ft1 MATCH 'a'
} {1 {a b} {c d} 2 {e f} {a b}}

#-------------------------------------------------------------------------
# Test cases 11.*
# 
reset_db

do_catchsql_test 11.1 {
  CREATE VIRTUAL TABLE x1 USING fts4(content=x1);
} {1 {vtable constructor called recursively: x1}}

finish_test

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  execsql {
    PRAGMA writable_schema=on;
    UPDATE sqlite_master SET sql='nonsense';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql { DROP INDEX i1 }
} {1 {malformed database schema (t1) - near "nonsense": syntax error}}

finish_test







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  execsql {
    PRAGMA writable_schema=on;
    UPDATE sqlite_master SET sql='nonsense';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql { DROP INDEX i1 }
} {1 {malformed database schema (t1)}}

finish_test

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  execsql {
    PRAGMA writable_schema=on;
    UPDATE sqlite_master SET sql='nonsense';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql { DROP TRIGGER t2r5 }
} {1 {malformed database schema (t2r12) - near "nonsense": syntax error}}

finish_test







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  execsql {
    PRAGMA writable_schema=on;
    UPDATE sqlite_master SET sql='nonsense';
  }
  db close
  catch { sqlite3 db test.db }
  catchsql { DROP TRIGGER t2r5 }
} {1 {malformed database schema (t2r12)}}

finish_test

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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#

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

ifcapable {!trigger} {
  finish_test
  return
}

#-------------------------------------------------------------------------
# Test organization:
................................................................................
  END;
} {}
do_catchsql_test triggerC-13.2 {
  UPDATE t12 SET a=a+1, b=b+1;
} {1 {too many levels of trigger recursion}}



















































finish_test







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#    May you share freely, never taking more than you give.
#
#***********************************************************************
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix triggerC
ifcapable {!trigger} {
  finish_test
  return
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#-------------------------------------------------------------------------
# Test organization:
................................................................................
  END;
} {}
do_catchsql_test triggerC-13.2 {
  UPDATE t12 SET a=a+1, b=b+1;
} {1 {too many levels of trigger recursion}}



#-------------------------------------------------------------------------
# Check that table names used by trigger programs are dequoted exactly
# once.
#
do_execsql_test 15.1.1 {
  PRAGMA recursive_triggers = 1;
  CREATE TABLE node(
      id int not null primary key, 
      pid int not null default 0 references node,
      key varchar not null, 
      path varchar default '',
      unique(pid, key)
      );
  CREATE TRIGGER node_delete_referencing AFTER DELETE ON "node"
    BEGIN
    DELETE FROM "node" WHERE pid = old."id";
  END;
}
do_execsql_test 15.1.2 {
  INSERT INTO node(id, pid, key) VALUES(9, 0, 'test');
  INSERT INTO node(id, pid, key) VALUES(90, 9, 'test1');
  INSERT INTO node(id, pid, key) VALUES(900, 90, 'test2');
  DELETE FROM node WHERE id=9;
  SELECT * FROM node;
}

do_execsql_test 15.2.1 {
  CREATE TABLE   x1  (x);

  CREATE TABLE   x2  (a, b);
  CREATE TABLE '"x2"'(a, b);

  INSERT INTO x2 VALUES(1, 2);
  INSERT INTO x2 VALUES(3, 4);
  INSERT INTO '"x2"' SELECT * FROM x2;

  CREATE TRIGGER x1ai AFTER INSERT ON x1 BEGIN
    INSERT INTO """x2""" VALUES('x', 'y');
    DELETE FROM """x2""" WHERE a=1;
    UPDATE """x2""" SET b = 11 WHERE a = 3;
  END;

  INSERT INTO x1 VALUES('go!');
}

do_execsql_test 15.2.2 { SELECT * FROM x2;       } {1 2 3 4}
do_execsql_test 15.2.3 { SELECT * FROM """x2"""; } {3 11 x y}

finish_test