mysql触发器-记录更改用户信息

begin
declare ip,writedate varchar(2000);
declare nowip varchar;
declare nowuser varchar;
declare nowinfo varchar;
#使用游标记录当前连接数据库的ip地址
declare _ipCursor CURSOR FOR
SELECT `USER`,`HOST`,INFO FROM information_schema.`PROCESSLIST`;
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET _done = 1;
#打开游标
OPEN _ipCursor;
WHILE _done<>1 DO
#从游标中获取用户、ip、info信息
FETCH _ipCursor INTO nowuser,nowip,nowinfo;
ip+=nowuser+"-"+nowip+"-"+nowinfo;
END WHILE;
CLOSE _ipCursor;
if (NEW.User_Password<>OLD.User_Password) then
insert into T_USERT_PASSWORDCHANGE_RECORD (IP,DATE,PASSWORD_BEFORE,PASSWORD_AFTER,USER_NAME,USER_ID) values (ip,now(),OLD.User_Password,NEW.User_Password,NEW.User_Name,NEW.User_ID);
end if;
end