restore_dbops; don't use get_backup_ids_records, where a query change to include info will do.

$qs = $DB->get_records_sql("SELECT itemid

                                      FROM {backup_ids_temp}

                                     WHERE backupid = ?

                                       AND itemname = 'question'

                                       AND parentitemid = ?", array($restoreid, $qcatid));

        foreach ($qs as $q) {

            $temprec = self::get_backup_ids_record($restoreid, 'question', $q->itemid);

            $results[$q->itemid] = $temprec->info;

        }

        return $results;