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Check-in [aa0490ccd4]
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Overview
Comment:Fix a bug in the query flattener when trying to find the datatype of the rowid of a view. Also fix a problem with sqlite_compile() and authorization failures. (CVS 1236)
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SHA1: aa0490ccd4a820a707dfb4905e67c01ffb4f758b
User & Date: drh 2004-02-13 16:22:23.000
Context
2004-02-13
16:30
Begin the process over converting sqlite_exec() over to use sqlite_compile() and sqlite_step(). The new sqlite_exec() is still commented out. (CVS 1237) (check-in: b8f2ba7880 user: drh tags: trunk)
16:22
Fix a bug in the query flattener when trying to find the datatype of the rowid of a view. Also fix a problem with sqlite_compile() and authorization failures. (CVS 1236) (check-in: aa0490ccd4 user: drh tags: trunk)
14:07
Fix an uninitialized variable introduced by check-in (1202). (CVS 1235) (check-in: 9f149fdc1c user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/build.c.
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**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**     PRAGMA
**
** $Id: build.c,v 1.166 2004/02/12 18:46:39 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Check to see if the schema for the database needs








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**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**     PRAGMA
**
** $Id: build.c,v 1.167 2004/02/13 16:22:23 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Check to see if the schema for the database needs
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  int rc = SQLITE_OK;
  sqlite *db = pParse->db;
  Vdbe *v = pParse->pVdbe;
  int (*xCallback)(void*,int,char**,char**);

  if( sqlite_malloc_failed ) return;
  xCallback = pParse->xCallback;
  if( xCallback==0 && pParse->useCallback ) xCallback = fakeCallback;







  if( v && pParse->nErr==0 ){
    FILE *trace = (db->flags & SQLITE_VdbeTrace)!=0 ? stdout : 0;
    sqliteVdbeTrace(v, trace);
    sqliteVdbeMakeReady(v, pParse->nVar, xCallback, pParse->pArg,
                        pParse->explain);
    if( pParse->useCallback ){
      if( pParse->explain ){








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  int rc = SQLITE_OK;
  sqlite *db = pParse->db;
  Vdbe *v = pParse->pVdbe;
  int (*xCallback)(void*,int,char**,char**);

  if( sqlite_malloc_failed ) return;
  xCallback = pParse->xCallback;
  if( xCallback==0 ){
    if( pParse->useCallback ){
      xCallback = fakeCallback;
    }else if( v==0 ){
      v = sqliteGetVdbe(pParse);
      sqliteVdbeAddOp(v, OP_Halt, 0, 0);
    }
  }
  if( v && pParse->nErr==0 ){
    FILE *trace = (db->flags & SQLITE_VdbeTrace)!=0 ? stdout : 0;
    sqliteVdbeTrace(v, trace);
    sqliteVdbeMakeReady(v, pParse->nVar, xCallback, pParse->pArg,
                        pParse->explain);
    if( pParse->useCallback ){
      if( pParse->explain ){
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Changes to src/select.c.
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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.152 2004/02/12 15:31:21 drh Exp $
*/
#include "sqliteInt.h"


/*
** Allocate a new Select structure and return a pointer to that
** structure.








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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.153 2004/02/13 16:22:23 drh Exp $
*/
#include "sqliteInt.h"


/*
** Allocate a new Select structure and return a pointer to that
** structure.
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** FORM clause entry is iTable.  This routine make the necessary 
** changes to pExpr so that it refers directly to the source table
** of the subquery rather the result set of the subquery.
*/
static void substExprList(ExprList*,int,ExprList*);  /* Forward Decl */
static void substExpr(Expr *pExpr, int iTable, ExprList *pEList){
  if( pExpr==0 ) return;
  if( pExpr->op==TK_COLUMN && pExpr->iTable==iTable && pExpr->iColumn>=0 ){



    Expr *pNew;
    assert( pEList!=0 && pExpr->iColumn<pEList->nExpr );
    assert( pExpr->pLeft==0 && pExpr->pRight==0 && pExpr->pList==0 );
    pNew = pEList->a[pExpr->iColumn].pExpr;
    assert( pNew!=0 );
    pExpr->op = pNew->op;
    pExpr->dataType = pNew->dataType;
    assert( pExpr->pLeft==0 );
    pExpr->pLeft = sqliteExprDup(pNew->pLeft);
    assert( pExpr->pRight==0 );
    pExpr->pRight = sqliteExprDup(pNew->pRight);
    assert( pExpr->pList==0 );
    pExpr->pList = sqliteExprListDup(pNew->pList);
    pExpr->iTable = pNew->iTable;
    pExpr->iColumn = pNew->iColumn;
    pExpr->iAgg = pNew->iAgg;
    sqliteTokenCopy(&pExpr->token, &pNew->token);
    sqliteTokenCopy(&pExpr->span, &pNew->span);

  }else{
    substExpr(pExpr->pLeft, iTable, pEList);
    substExpr(pExpr->pRight, iTable, pEList);
    substExprList(pExpr->pList, iTable, pEList);
  }
}
static void 








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** FORM clause entry is iTable.  This routine make the necessary 
** changes to pExpr so that it refers directly to the source table
** of the subquery rather the result set of the subquery.
*/
static void substExprList(ExprList*,int,ExprList*);  /* Forward Decl */
static void substExpr(Expr *pExpr, int iTable, ExprList *pEList){
  if( pExpr==0 ) return;
  if( pExpr->op==TK_COLUMN && pExpr->iTable==iTable ){
    if( pExpr->iColumn<0 ){
      pExpr->op = TK_NULL;
    }else{
      Expr *pNew;
      assert( pEList!=0 && pExpr->iColumn<pEList->nExpr );
      assert( pExpr->pLeft==0 && pExpr->pRight==0 && pExpr->pList==0 );
      pNew = pEList->a[pExpr->iColumn].pExpr;
      assert( pNew!=0 );
      pExpr->op = pNew->op;
      pExpr->dataType = pNew->dataType;
      assert( pExpr->pLeft==0 );
      pExpr->pLeft = sqliteExprDup(pNew->pLeft);
      assert( pExpr->pRight==0 );
      pExpr->pRight = sqliteExprDup(pNew->pRight);
      assert( pExpr->pList==0 );
      pExpr->pList = sqliteExprListDup(pNew->pList);
      pExpr->iTable = pNew->iTable;
      pExpr->iColumn = pNew->iColumn;
      pExpr->iAgg = pNew->iAgg;
      sqliteTokenCopy(&pExpr->token, &pNew->token);
      sqliteTokenCopy(&pExpr->span, &pNew->span);
    }
  }else{
    substExpr(pExpr->pLeft, iTable, pEList);
    substExpr(pExpr->pRight, iTable, pEList);
    substExprList(pExpr->pList, iTable, pEList);
  }
}
static void
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