From 5256ab4601cc0953c0d84720320d2cf3ddc3a9f7 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 13 Apr 2005 16:50:13 +0000
Subject: [PATCH] LIMIT 1 in the whitelist query.  Props: Brian Dupuis

git-svn-id: https://develop.svn.wordpress.org/trunk@2531 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/comment-functions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/comment-functions.php b/wp-includes/comment-functions.php
index 300df69695..fb94031e30 100644
--- a/wp-includes/comment-functions.php
+++ b/wp-includes/comment-functions.php
@@ -657,7 +657,7 @@ function check_comment($author, $email, $url, $comment, $user_ip, $user_agent, $
 			else
 				return false;
 		} elseif( $author != '' && $email != '' ) {
-			$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' ");
+			$ok_to_comment = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_author = '$author' AND comment_author_email = '$email' and comment_approved = '1' LIMIT 1");
 			if ( 1 == $ok_to_comment && false === strpos( $email, get_settings('moderation_keys')) )
 				return true;
 			else