Clean up routines in setrefs.c by replacing individual tree

walking logic with expression_tree_walker/mutator calls.

src/include/optimizer/planmain.h

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: planmain.h,v 1.29 1999/07/15 15:21:22 momjian Exp $
+ * $Id: planmain.h,v 1.30 1999/08/09 00:56:04 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -49,9 +49,7 @@ extern void add_missing_vars_to_tlist(Query *root, List *tlist);
  */
 extern void set_tlist_references(Plan *plan);
 extern List *join_references(List *clauses, List *outer_tlist,
-				List *inner_tlist);
-extern List *index_outerjoin_references(List *inner_indxqual,
-						   List *outer_tlist, Index inner_relid);
+							 List *inner_tlist);
 extern void replace_tlist_with_subplan_refs(List *tlist,
 								Index subvarno,
 								List *subplanTargetList);