Index: src/backend/optimizer/plan/planner.c
===================================================================
RCS file: /repositories/postgreshome/cvs/pgsql/src/backend/optimizer/plan/planner.c,v
retrieving revision 1.267
diff -c -r1.267 planner.c
*** src/backend/optimizer/plan/planner.c	30 Mar 2010 21:58:10 -0000	1.267
--- src/backend/optimizer/plan/planner.c	16 Apr 2010 13:46:35 -0000
***************
*** 1241,1246 ****
--- 1241,1253 ----
  					 * the desired tlist.
  					 */
  					result_plan->targetlist = sub_tlist;
+ 
+ 					/*
+ 					 * Account for changes in plan row estimates because of
+ 					 * this tlist addition
+ 					 */
+ 					result_plan->plan_rows += clamp_row_est(
+ 								expression_returns_set_rows((Node *)result_plan->targetlist));
  				}
  
  				/*