一个MySQL的奇怪问题-----不知道算不算bug

CREATE DEFINER=`root`@`localhost` PROCEDURE `GetUser_ID`(out userID  int,out name varchar(18),in User_Name varchar(30),in Pass_Word varchar(30))
BEGIN
SELECT user_id INTO userID  FROM gis_user WHERE user_account = User_Name   AND  pwd = Pass_Word ;
SELECT user_name INTO name   FROM gis_user WHERE user_account = User_Name   AND  pwd = Pass_Word ;
END

out user_ID  int