From d344115519a5c88bfa8bf8551258f4eaaa1185be Mon Sep 17 00:00:00 2001
From: Tom Lane
Date: Mon, 31 Mar 2008 16:59:26 +0000
Subject: Apply my original fix for Taiki Yamaguchi's bug report about DISTINCT
 MAX(). Add some regression tests for plausible failures in this area.

---
 src/include/optimizer/paths.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/include')

diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
index f3e50c5cbf9..81e8089df16 100644
--- a/src/include/optimizer/paths.h
+++ b/src/include/optimizer/paths.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.103 2008/01/01 19:45:58 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/optimizer/paths.h,v 1.104 2008/03/31 16:59:26 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -127,6 +127,9 @@ extern void add_child_rel_equivalences(PlannerInfo *root,
 						   AppendRelInfo *appinfo,
 						   RelOptInfo *parent_rel,
 						   RelOptInfo *child_rel);
+extern void mutate_eclass_expressions(PlannerInfo *root,
+									  Node *(*mutator) (),
+									  void *context);
 extern List *find_eclass_clauses_for_index_join(PlannerInfo *root,
 								   RelOptInfo *rel,
 								   Relids outer_relids);
-- 
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