MDL-37098 quiz: event handler fails deleting group with no overrides

This was a regression from MDL-35717.
2012-12-17 17:01:05 +00:00
parent 2144749571
commit f4564374d7
1 changed files with 3 additions and 0 deletions
@@ -1624,6 +1624,9 @@ function quiz_groups_group_deleted_handler($event) {
             WHERE quiz.course = :courseid AND grp.id IS NULL";
    $params = array('courseid'=>$event->courseid);
    $records = $DB->get_records_sql_menu($sql, $params);
+    if (!$records) {
+        return; // Nothing to do.
+    }
    $DB->delete_records_list('quiz_overrides', 'id', array_keys($records));
    quiz_update_open_attempts(array('quizid'=>array_unique(array_values($records))));
 }