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

21 lines
416 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn-admin`@`localhost` FUNCTION `vn`.`currentRate`(vCurrencyFk INT, vDated DATE)
RETURNS decimal(10,4)
NOT DETERMINISTIC
READS SQL DATA
BEGIN
DECLARE curRate DECIMAL(10,4);
SELECT value INTO curRate
FROM referenceRate
WHERE dated <= vDated
AND currencyFk = vCurrencyFk
ORDER BY dated DESC
LIMIT 1;
RETURN curRate;
END$$
DELIMITER ;