Ticket #10649: query.php.diff

@@ -2033,6 +2033,7 @@
                        if ( !empty($q['meta_key']) ) {
                                $allowed_keys[] = $q['meta_key'];
                                $allowed_keys[] = 'meta_value';
+                               $allowed_keys[] = 'meta_value_num';                                             /* added */
                        }
                        $q['orderby'] = urldecode($q['orderby']);
                        $q['orderby'] = addslashes_gpc($q['orderby']);
@@ -2056,6 +2057,9 @@
                                        case 'meta_value':
                                                $orderby = "$wpdb->postmeta.meta_value";
                                                break;
+                                       case 'meta_value_num':
+                                               $orderby = "$wpdb->postmeta.meta_value+0";              /* added */
+                                               break;
                                        default:
                                                $orderby = "$wpdb->posts.post_" . $orderby;
                                }