MediaWiki r58364 - Code Review

Index: trunk/phase3/includes/specials/SpecialActiveusers.php
===================================================================
--- trunk/phase3/includes/specials/SpecialActiveusers.php	(revision 58363)
+++ trunk/phase3/includes/specials/SpecialActiveusers.php	(revision 58364)
@@ -65,7 +65,7 @@
 				'MAX(ipb_user) AS blocked'
 			),
 			'options' => array(
-				'GROUP BY' => 'rc_user_text',
+				'GROUP BY' => $dbr->implicitGroupby() ? 'rc_user_text' : 'rc_user_text, user_id',
 				'USE INDEX' => array( 'recentchanges' => 'rc_user_text' )
 			),
 			'join_conds' => array(
Index: trunk/phase3/RELEASE-NOTES
===================================================================
--- trunk/phase3/RELEASE-NOTES	(revision 58363)
+++ trunk/phase3/RELEASE-NOTES	(revision 58364)
@@ -610,6 +610,7 @@
 * The error message shown in Special:ChangePassword now parses wiki markup
 * (bug 19859) Removed experimental HTMLDiff feature
 * Removed section edit links in edit conflict form
+* Allow SpecialActiveusers to work on non-MySQL databases
 
 == API changes in 1.16 ==