0001-teach-expression-walker-about-RestrictInfo-v7.patch

>From 886edce86cbe571283ebe49177288e9978b10c81 Mon Sep 17 00:00:00 2001
From: Tomas Vondra <tomas@pgaddict.com>
Date: Tue, 28 Apr 2015 19:56:33 +0200
Subject: [PATCH 1/6] teach expression walker about RestrictInfo

otherwise pull_varnos fails when processing OR clauses
---
 src/backend/nodes/nodeFuncs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index a2bcca5..7dcc1c1 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -1995,6 +1995,8 @@ expression_tree_walker(Node *node,
 			return walker(((PlaceHolderInfo *) node)->ph_var, context);
 		case T_RangeTblFunction:
 			return walker(((RangeTblFunction *) node)->funcexpr, context);
+		case T_RestrictInfo:
+			return walker(((RestrictInfo *) node)->clause, context);
 		default:
 			elog(ERROR, "unrecognized node type: %d",
 				 (int) nodeTag(node));
-- 
1.9.3