From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Mon, 12 Feb 2007 17:19:30 +0000 (+0000)
Subject: Avoid infinite recursion when dumping new planner EquivalenceClass trees.
X-Git-Tag: REL9_0_0~6108
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=33c4a77f2963ffa0004796c60faff791a0e40f5c;p=pg-rex%2Fsyncrep.git

Avoid infinite recursion when dumping new planner EquivalenceClass trees.
---

diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index 939c21f45a..d3f18c1ce7 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.296 2007/02/03 14:06:54 petere Exp $
+ *	  $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.297 2007/02/12 17:19:30 tgl Exp $
  *
  * NOTES
  *	  Every node type that can appear in stored rules' parsetrees *must*
@@ -1354,10 +1354,10 @@ _outRestrictInfo(StringInfo str, RestrictInfo *node)
 	WRITE_BITMAPSET_FIELD(left_relids);
 	WRITE_BITMAPSET_FIELD(right_relids);
 	WRITE_NODE_FIELD(orclause);
-	WRITE_NODE_FIELD(parent_ec);
+	/* don't write parent_ec, leads to infinite recursion in plan tree dump */
 	WRITE_NODE_FIELD(mergeopfamilies);
-	WRITE_NODE_FIELD(left_ec);
-	WRITE_NODE_FIELD(right_ec);
+	/* don't write left_ec, leads to infinite recursion in plan tree dump */
+	/* don't write right_ec, leads to infinite recursion in plan tree dump */
 	WRITE_NODE_FIELD(left_em);
 	WRITE_NODE_FIELD(right_em);
 	WRITE_BOOL_FIELD(outer_is_left);