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In a nestloop inner indexscan, it's OK to use pushed-down baserestrictinfo

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clauses even if it's an outer join.  This is a corner case since such
clauses could only arise from weird OUTER JOIN ON conditions, but worth
fixing.  Per example from Ron at cheapcomplexdevices.com.
This commit is contained in:
Tom Lane 2005-12-06 16:59:22 +00:00
parent 8b20f8a51d
commit a025aa179c
1 changed files with 1 additions and 5 deletions
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6
src/backend/optimizer/path/indxpath.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.147.4.1 2005/04/20 21:48:22 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.147.4.2 2005/12/06 16:59:22 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -666,10 +666,6 @@ group_clauses_by_indexkey_for_join(Query *root,
{
RestrictInfo *rinfo = (RestrictInfo *) lfirst(i);
/* Can't use pushed-down clauses in outer join */
if (isouterjoin && rinfo->ispusheddown)
continue;
if (match_clause_to_indexcol(rel,
index,
indexcol,