DELIMITER $$
CREATE
/*[DEFINER = { user | CURRENT_USER }]*/
FUNCTION `t204`.`fun_student`(sex INT)
RETURNS VARCHAR (50)
/*LANGUAGE SQL
| [NOT] DETERMINISTIC
| { CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA }
| SQL SECURITY { DEFINER | INVOKER }
| COMMENT 'string'*/
BEGIN
IF(sex=1) THEN
RETURN "男";
END IF;
IF(sex=0) THEN
RETURN "女";
END IF;
END$$
DELIMITER ;
#调用函数
SELECT fun_student(1);
mysql自定义函数:传入值(0显示值为女,1显示值为男)
最新推荐文章于 2024-07-28 03:25:53 发布