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[SQL] pobierz, plaintext 
DROP FUNCTION IF EXISTS `ss6_pl_calculateProductPriceForUser`$$
CREATE DEFINER=`samal_14451501`@`%` FUNCTION `ss6_pl_calculateProductPriceForUser`(piUser INT, piProduct INT, piPromotions INT) RETURNS double
    READS SQL DATA
BEGIN DECLARE xiActiveDiscount INT; DECLARE xfPrice DOUBLE; DECLARE xfUserMultiply DOUBLE; DECLARE xfDiscount DOUBLE; DECLARE xfProductMultiply DOUBLE; DECLARE xfMultiply DOUBLE; SELECT `iActiveDiscount`, `fPrice` FROM `ss6_pl_products` WHERE `iProduct` = piProduct INTO xiActiveDiscount, xfPrice; IF ((piUser IS NOT NULL) AND (xiActiveDiscount > 0) ) THEN SELECT MAX(`fDiscount`) FROM `ss6_users_groups` INNER JOIN `ss6_users_to_groups` USING(`iGroup`) WHERE `iUser` = piUser INTO xfDiscount; IF (xfDiscount IS NULL) THEN SET xfDiscount = 0; END IF; SET xfUserMultiply = 1 - xfDiscount; SELECT MIN(`fMultiply`) FROM `ss6_pl_products_discounts` INNER JOIN (`ss6_users_groups` INNER JOIN `ss6_users_to_groups` USING (`iGroup`) ) USING (`iGroup`) WHERE ((`iUser` = piUser) AND (`iProduct` = piProduct) ) INTO xfProductMultiply; IF (xfProductMultiply IS NULL) THEN SET xfProductMultiply = 1; END IF; IF (piPromotions > 0) THEN RETURN xfPrice * xfUserMultiply * xfProductMultiply; ELSE IF (xfUserMultiply > xfProductMultiply) THEN SET xfMultiply = xfProductMultiply; ELSE SET xfMultiply = xfUserMultiply; END IF; RETURN xfPrice * xfMultiply; END IF; ELSE RETURN xfPrice; END IF; END$$
[SQL] pobierz, plaintext