From 72621ce78bfd2d16eb5a9fc76943a418b4bf7f28 Mon Sep 17 00:00:00 2001
From: Mark Jaquith <markjaquith@git.wordpress.org>
Date: Wed, 19 Nov 2008 05:02:24 +0000
Subject: [PATCH] Allow post_parent=0 queries to work. props stefano.verna.
 fixes #8085

git-svn-id: https://develop.svn.wordpress.org/trunk@9774 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/query.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/query.php b/wp-includes/query.php
index 3aa6326fb0..6b03ea43ea 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -1726,7 +1726,7 @@ class WP_Query {
 			$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
 		}
 
-		if ( $q['post_parent'] )
+		if ( is_integer($q['post_parent']) )
 			$where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] );
 
 		if ( $q['page_id'] ) {