salix/db/routines/vn/functions/priceFixed_getRate2.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` FUNCTION `vn`.`priceFixed_getRate2`(vFixedPriceFk INT, vRate3 DOUBLE)
	RETURNS double
	NOT DETERMINISTIC
BEGIN

	DECLARE vWarehouse INT;
	DECLARE vRate2 DOUBLE;

	SELECT round(vRate3 * (1 + ((r.rate2 - r.rate3)/100)), 2) INTO vRate2
		FROM vn.rate r
			JOIN vn.priceFixed p ON p.id = vFixedPriceFk
		WHERE r.dated <= p.started
			AND r.warehouseFk = p.warehouseFk
		ORDER BY r.dated DESC
		LIMIT 1;

	RETURN vRate2;

END$$
DELIMITER ;