public function get_recordset_select($table, $select, array $params=null, $sort='', $fields='*', $limitfrom=0, $limitnum=0) {
        $sql = "SELECT $fields FROM {".$table."}";
        if ($select) {
            $sql .= " WHERE $select";
        }
        if ($sort) {
            $sql .= " ORDER BY $sort";
        }
        return $this->get_recordset_sql($sql, $params, $limitfrom, $limitnum);
    }