*** pgsql/src/backend/optimizer/util/pathnode.c	2009/09/12 22:12:04	1.153
--- pgsql/src/backend/optimizer/util/pathnode.c	2009/09/17 20:49:29	1.154
***************
*** 8,14 ****
   *
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.152 2009/06/11 14:48:59 momjian Exp $
   *
   *-------------------------------------------------------------------------
   */
--- 8,14 ----
   *
   *
   * IDENTIFICATION
!  *	  $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.153 2009/09/12 22:12:04 tgl Exp $
   *
   *-------------------------------------------------------------------------
   */
*************** distinct_col_search(int colno, List *col
*** 1216,1221 ****
--- 1216,1241 ----
  }
  
  /*
+  * create_noop_path
+  *	  Creates a path equivalent to the input subpath, but having a different
+  *	  parent rel.  This is used when a join is found to be removable.
+  */
+ NoOpPath *
+ create_noop_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath)
+ {
+ 	NoOpPath   *pathnode = makeNode(NoOpPath);
+ 
+ 	pathnode->path.pathtype = T_Join;			/* by convention */
+ 	pathnode->path.parent = rel;
+ 	pathnode->path.startup_cost = subpath->startup_cost;
+ 	pathnode->path.total_cost = subpath->total_cost;
+ 	pathnode->path.pathkeys = subpath->pathkeys;
+ 	pathnode->subpath = subpath;
+ 
+ 	return pathnode;
+ }
+ 
+ /*
   * create_subqueryscan_path
   *	  Creates a path corresponding to a sequential scan of a subquery,
   *	  returning the pathnode.