DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`entry_getCurrency`(vCurrency INT,
    vSupplierFk INT
)
	RETURNS int(11)
	NOT DETERMINISTIC
	READS SQL DATA
BEGIN
	DECLARE vIsDollarAccount BOOL;

	SELECT account LIKE '___4______' INTO vIsDollarAccount
		FROM vn.supplier WHERE id = vSupplierFk;

	IF vIsDollarAccount THEN
		RETURN 2;
	ELSE
		RETURN vCurrency;
	END IF;
END$$
DELIMITER ;