public function get_recordset_list($table, $field, array $values, $sort='', $fields='*', $limitfrom=0, $limitnum=0) {
        list($select, $params) = $this->where_clause_list($field, $values);
        return $this->get_recordset_select($table, $select, $params, $sort, $fields, $limitfrom, $limitnum);
    }