Fix incorrect index usage. Without a condition on the namespace, the use of new_name_...

diff --git a/includes/specials/SpecialRecentchanges.php b/includes/specials/SpecialRecentchanges.php
index 79aba69..ab3830b 100644 (file)
--- a/includes/specials/SpecialRecentchanges.php
+++ b/includes/specials/SpecialRecentchanges.php
@@ -318,14 +318,14 @@ class SpecialRecentChanges extends SpecialPage {
                                array( 'rc_new' => 1 ) + $conds,
                                __METHOD__,
                                array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
-                                       'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
+                                       'USE INDEX' =>  array('recentchanges' => 'rc_timestamp') ),
                                $join_conds );
                        // Old pages
                        $sqlOld = $dbr->selectSQLText( $tables, '*',
                                array( 'rc_new' => 0 ) + $conds,
                                __METHOD__,
                                array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit,
-                                       'USE INDEX' =>  array('recentchanges' => 'new_name_timestamp') ),
+                                       'USE INDEX' =>  array('recentchanges' => 'rc_timestamp') ),
                                $join_conds );
                        # Join the two fast queries, and sort the result set
                        $sql = $dbr->unionQueries(array($sqlNew, $sqlOld), false).' ORDER BY rc_timestamp DESC';