-- 函数、存储过程

select definer from mysql.proc;

update mysql.proc set definer='billing@%';

-- 定时事件

select DEFINER from mysql.EVENTS;

update mysql.EVENTS set definer='billing@%';

--视图

select DEFINER from information_schema.VIEWS;   

select concat("alter DEFINER=`root`@`%` SQL SECURITY DEFINER VIEW ",TABLE_SCHEMA,".",TABLE_NAME," as ",VIEW_DEFINITION,";") from information_schema.VIEWS where DEFINER<>'billing@%'; 

--触发器

select DEFINER from information_schema.TRIGGERS;