Prado\Data\SqlMap\Statements\TMappedStatement::getResultMapGroupKey PHP Метод

    protected function getResultMapGroupKey($resultMap, $row)
    {
        $groupBy = $resultMap->getGroupBy();
        if (isset($row[$groupBy])) {
            return $resultMap->getID() . $row[$groupBy];
        } else {
            return $resultMap->getID() . crc32(serialize($row));
        }
    }