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Avoid reevaluating WHERE and ORDER BY expressions that alias terms in the

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result set.  Ticket #3343.  Note that aliased GROUP BY expressions are still
evaluated twice. (CVS 5637)

FossilOrigin-Name: ab0292caa5887cc1bdc0e8c9d3f3502b83975440
This commit is contained in:
drh
2008-08-29 02:14:02 +00:00
parent 3fb120cb9d
commit 8b213899e8
8 changed files with 285 additions and 51 deletions
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3
src/tokenize.c
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@@ -15,7 +15,7 @@
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.150 2008/08/08 14:19:41 drh Exp $
** $Id: tokenize.c,v 1.151 2008/08/29 02:14:03 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -503,6 +503,7 @@ abort_parse:
sqlite3DeleteTrigger(db, pParse->pNewTrigger);
sqlite3DbFree(db, pParse->apVarExpr);
sqlite3DbFree(db, pParse->aAlias);
if( nErr>0 && (pParse->rc==SQLITE_OK || pParse->rc==SQLITE_DONE) ){
pParse->rc = SQLITE_ERROR;
}