USE `vn`;
DROP function IF EXISTS `getSpecialPrice`;

DELIMITER $$
USE `vn`$$
CREATE DEFINER=`root`@`%` FUNCTION `getSpecialPrice`(vItemFk int(11),vClientFk int(11)) RETURNS decimal(10,2)
BEGIN
    DECLARE price DECIMAL(10,2);

    SELECT rate3 INTO price
		FROM vn.priceFixed
		WHERE itemFk = vItemFk 
			AND CURDATE() BETWEEN started AND ended ORDER BY created DESC LIMIT 1;
    
    SELECT `value` INTO price 
		FROM vn.specialPrice
		WHERE itemFk =  vItemFk 
			AND clientFk = vClientFk ;
RETURN price;
END$$

DELIMITER ;