*/
protected function get_usage_ids_where_question_in_state($summarystate, $slot,
$questionid = null, $orderby = 'random', $page = 0, $pagesize = null) {
- global $CFG;
+ global $CFG, $DB;
$dm = new question_engine_data_mapper();
if ($pagesize && $orderby != 'random') {
} else if ($orderby == 'student' || $orderby == 'idnumber') {
$qubaids->from .= " JOIN {user} u ON quiza.userid = u.id ";
if ($orderby == 'student') {
- $orderby = sql_fullname('u.firstname', 'u.lastname');
+ $orderby = $DB->sql_fullname('u.firstname', 'u.lastname');
}
}