public function count($application_id)
{
$select = 'DISTINCT a.name';
$from = $this->getTableName() . " AS a, " . ZOO_TABLE_ITEM . " AS b USE INDEX (ID_APPLICATION_INDEX)";
$conditions = array("a.item_id = b.id AND b.application_id = " . (int) $application_id);
$options = compact('select', 'from', 'conditions');
return parent::count($options);
}
