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Make sure the column name resolver does not try to duplicate Expr.u.zToken

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when the Expr.u.iValue union member is the element being used. (CVS 6684)

FossilOrigin-Name: 376ecf0d87e4a2329f5861401f83ed9ceb35d528
This commit is contained in:
drh
2009-05-28 12:49:53 +00:00
parent 4b0aa4cf3e
commit 0b0745ae37
3 changed files with 11 additions and 9 deletions
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4
src/resolve.c
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@@ -14,7 +14,7 @@
** resolve all identifiers by associating them with a particular
** table and column.
**
** $Id: resolve.c,v 1.24 2009/05/28 01:00:55 drh Exp $
** $Id: resolve.c,v 1.25 2009/05/28 12:49:53 drh Exp $
*/
#include "sqliteInt.h"
#include <stdlib.h>
@@ -71,6 +71,8 @@ static void resolveAlias(
pEList->a[iCol].iAlias = (u16)(++pParse->nAlias);
}
pDup->iTable = pEList->a[iCol].iAlias;
}else if( ExprHasProperty(pOrig, EP_IntValue) || pOrig->u.zToken==0 ){
pDup = sqlite3ExprDup(db, pOrig, 0);
}else{
char *zToken = pOrig->u.zToken;
pOrig->u.zToken = 0;