$dbFactory = SC_DB_DBFactory_Ex::getInstance();
        $where = 'o.customer_id = ? AND o.order_id = ? AND pc.product_id = ? AND pc.product_class_id = ? AND od.product_id = ? AND od.product_class_id = ?';
        $where .= ' AND ' . $dbFactory->getDownloadableDaysWhereSql('o');
        $where .= ' = 1';
        $arrRet = $objQuery->select($col, $table, $where,
                                    array($customer_id, $order_id, $product_id, $product_class_id, $product_id, $product_class_id));
        return $arrRet[0];