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Fix for ORDER BY in UNION.

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This commit is contained in:
Bruce Momjian
1997-12-29 04:31:50 +00:00
parent 499b13c994
commit a1dd409053
4 changed files with 15 additions and 15 deletions
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9
src/backend/parser/parse_clause.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.5 1997/12/29 02:09:54 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_clause.c,v 1.6 1997/12/29 04:31:31 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -249,10 +249,11 @@ transformGroupClause(ParseState *pstate, List *grouplist, List *targetlist)
*/
List *
transformSortClause(ParseState *pstate,
List *orderlist, List *targetlist,
List *orderlist,
List *sortlist,
List *targetlist,
char *uniqueFlag)
{
List *sortlist = NIL;
List *s = NIL;
while (orderlist != NIL)
@ -262,6 +263,8 @@ transformSortClause(ParseState *pstate,
TargetEntry *restarget;
Resdom *resdom;
sortlist = NIL; /* we create it on the fly here */
restarget = find_targetlist_entry(pstate, sortby, targetlist);
if (restarget == NULL)
elog(WARN, "The field being ordered by must appear in the target list");