From f4ec2fabbff3fd603f17c3750e0e3a17ef685366 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Wed, 28 Apr 2010 21:18:07 +0000
Subject: [PATCH] Modify information_schema._pg_keysequal() to avoid search
path risk when contrib/intarray is loaded. Per bug #5417 from Kenaniah
Cerny.
Not forcing initdb since backend doesn't directly depend on this,
and few people have run into it.
---
src/backend/catalog/information_schema.sql | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index 453953306a6..f5764907494 100644
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -4,7 +4,7 @@
*
* Copyright (c) 2003-2010, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.65 2010/01/28 23:21:11 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.66 2010/04/28 21:18:07 tgl Exp $
*/
/*
@@ -24,7 +24,7 @@
CREATE SCHEMA information_schema;
GRANT USAGE ON SCHEMA information_schema TO PUBLIC;
-SET search_path TO information_schema, public;
+SET search_path TO information_schema;
/*
@@ -42,7 +42,7 @@ CREATE FUNCTION _pg_expandarray(IN anyarray, OUT x anyelement, OUT n int)
CREATE FUNCTION _pg_keysequal(smallint[], smallint[]) RETURNS boolean
LANGUAGE sql IMMUTABLE -- intentionally not STRICT, to allow inlining
- AS 'select $1 <@ $2 and $2 <@ $1';
+ AS 'select $1 operator(pg_catalog.<@) $2 and $2 operator(pg_catalog.<@) $1';
/* Given an index's OID and an underlying-table column number, return the
* column's position in the index (NULL if not there) */
--
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