From 10aa275e6b1eac38934581acd9eb6a0f25e2f310 Mon Sep 17 00:00:00 2001
From: "Mark A. Hershberger" <mah@users.mediawiki.org>
Date: Mon, 31 Jan 2011 21:04:40 +0000
Subject: [PATCH] fix Bug#26274: Database layer should allow arrays for ORDER
 BY, GROUP BY

---
 includes/db/Database.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/includes/db/Database.php b/includes/db/Database.php
index 1a046397ca..5adf5dac5e 100644
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -950,7 +950,10 @@ abstract class DatabaseBase implements DatabaseType {
 		}
 
 		if ( isset( $options['GROUP BY'] ) ) {
-			$preLimitTail .= " GROUP BY {$options['GROUP BY']}";
+			$gb = is_array( $options['GROUP BY'] )
+				? implode( ',', $options['GROUP BY'] )
+				: $options['GROUP BY'];
+			$preLimitTail .= " GROUP BY {$gb}";
 		}
 
 		if ( isset( $options['HAVING'] ) ) {
@@ -958,7 +961,10 @@ abstract class DatabaseBase implements DatabaseType {
 		}
 
 		if ( isset( $options['ORDER BY'] ) ) {
-			$preLimitTail .= " ORDER BY {$options['ORDER BY']}";
+			$ob = is_array( $options['ORDER BY'] )
+				? implode( ',', $options['ORDER BY'] )
+				: $options['ORDER BY'];
+			$preLimitTail .= " ORDER BY {$ob}";
 		}
 
 		// if (isset($options['LIMIT'])) {
-- 
2.20.1