/**
* Before deleting the record, we make sure that it is not used as a parent page or as a
* location target.
*/
public function delete($key)
{
$site_id = $this->select('siteid')->filter_by_nid($key)->rc;
if ($site_id) {
unset(self::$blueprint_cache[$site_id]);
}
return parent::delete($key);
}
