*/
protected function addTimestampWhereRange( $field, $dir, $start, $end, $sort = true ) {
$db = $this->getDb();
- return $this->addWhereRange( $field, $dir,
+ $this->addWhereRange( $field, $dir,
$db->timestampOrNull( $start ), $db->timestampOrNull( $end ), $sort );
}