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Fix for ticket #131: When a SELECT contains a GROUP BY clause it cannot

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use an index for sorting.  It has to sort as a separate operation after
the GROUP BY is complete. (CVS 702)

FossilOrigin-Name: 18745c67acdf7ebec378f5538174117970e9f5cc
This commit is contained in:
drh
2002-08-04 00:52:38 +00:00
parent e0e5ef1471
commit 68d2e5918a
4 changed files with 59 additions and 11 deletions
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5
src/select.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.106 2002/07/18 00:34:12 drh Exp $
** $Id: select.c,v 1.107 2002/08/04 00:52:38 drh Exp $
*/
#include "sqliteInt.h"
@@ -1945,7 +1945,8 @@ int sqliteSelect(
/* Begin the database scan
*/
pWInfo = sqliteWhereBegin(pParse, p->base, pTabList, pWhere, 0, &pOrderBy);
pWInfo = sqliteWhereBegin(pParse, p->base, pTabList, pWhere, 0,
pGroupBy ? 0 : &pOrderBy);
if( pWInfo==0 ) goto select_end;
/* Use the standard inner loop if we are not dealing with