private function get_dt_query_client() { $column = ['name', 'title']; return parent::_get_datatables_query($this->select_client(), $column); }
private function get_dt_query_price($id) { $column = ['cat_id', 'doc', 'price1', 'price2', 'price3', 'price4', 'price5']; return parent::_get_datatables_query($this->select_price_by_cat_id($id), $column); }