public function unlockPropagate()
{
$lockIds = $this->db->fetchCol("SELECT id from assets WHERE path LIKE " . $this->db->quote($this->model->getRealFullPath() . "/%") . " OR id = " . $this->model->getId());
$this->db->delete("tree_locks", "type = 'asset' AND id IN (" . implode(",", $lockIds) . ")");
return $lockIds;
}