Index: initsplan.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v
retrieving revision 1.123.2.7
diff -c -r1.123.2.7 initsplan.c
*** initsplan.c	4 Oct 2007 20:44:55 -0000	1.123.2.7
--- initsplan.c	24 Oct 2007 20:34:08 -0000
***************
*** 625,630 ****
--- 625,631 ----
  		 * rel in the lower OJ's min_righthand, not its whole syn_righthand.
  		 */
  		if (bms_overlap(left_rels, otherinfo->syn_righthand) &&
+ 			bms_overlap(clause_relids, otherinfo->syn_righthand) &&
  			!bms_overlap(strict_relids, otherinfo->min_righthand))
  		{
  			min_lefthand = bms_add_members(min_lefthand,