传入用户id查询连续签到天数

DROP FUNCTION IF EXISTS getTimes;

DELIMITER $$

CREATE    FUNCTION  getTimes(idstr VARCHAR(50))

RETURNS INT

BEGIN

DECLARE times INT;

DECLARE a INT;

DECLARE tempdt DATETIME;

DECLARE tempdt2 DATETIME;

SET  times = 0;

SET a=1;

SELECT COUNT(*) INTO times FROM t_sys_member_sign  WHERE TO_DAYS(NOW())-TO_DAYS(SIGN_TIME)<=0 AND id=idstr;

SELECT SIGN_TIME INTO tempdt FROM t_sys_member_sign WHERE TO_DAYS(NOW())-TO_DAYS(SIGN_TIME)=1  AND id=idstr;

WHILE tempdt IS NOT NULL AND a=1 DO

SET times=times+1;

SET tempdt2=tempdt;

SELECT SIGN_TIME INTO tempdt FROM t_sys_member_sign WHERE TO_DAYS(tempdt)-TO_DAYS(SIGN_TIME)=1  AND id=idstr;

IF TO_DAYS(tempdt2)-TO_DAYS(tempdt)<1 THEN SET a=0; END IF;

END WHILE;

RETURN times;

END$$

SELECT getTimes(‘009af8fe7c20431994098e044d36b058‘);