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Changes to src/resolve.c.

    10     10   **
    11     11   *************************************************************************
    12     12   **
    13     13   ** This file contains routines used for walking the parser tree and
    14     14   ** resolve all identifiers by associating them with a particular
    15     15   ** table and column.
    16     16   **
    17         -** $Id: resolve.c,v 1.25 2009/05/28 12:49:53 drh Exp $
           17  +** $Id: resolve.c,v 1.26 2009/05/28 14:34:50 drh Exp $
    18     18   */
    19     19   #include "sqliteInt.h"
    20     20   #include <stdlib.h>
    21     21   #include <string.h>
    22     22   
    23     23   /*
    24     24   ** Turn the pExpr expression into an alias for the iCol-th column of the
................................................................................
    69     69       if( pDup==0 ) return;
    70     70       if( pEList->a[iCol].iAlias==0 ){
    71     71         pEList->a[iCol].iAlias = (u16)(++pParse->nAlias);
    72     72       }
    73     73       pDup->iTable = pEList->a[iCol].iAlias;
    74     74     }else if( ExprHasProperty(pOrig, EP_IntValue) || pOrig->u.zToken==0 ){
    75     75       pDup = sqlite3ExprDup(db, pOrig, 0);
           76  +    if( pDup==0 ) return;
    76     77     }else{
    77     78       char *zToken = pOrig->u.zToken;
    78     79       pOrig->u.zToken = 0;
    79     80       pDup = sqlite3ExprDup(db, pOrig, 0);
    80     81       pOrig->u.zToken = zToken;
    81     82       if( pDup==0 ) return;
    82     83       if( zToken ){