这个涉及2个步骤,第一个就是建立存储过程:
create procedure clear_table()
begin
drop database XXX
end
第二步就是让其定时运行:
查看event是否开启: show variables like '%sche%';
将事件计划开启: set global event_scheduler=1;
关闭事件任务: alter event e_test ON COMPLETION PRESERVE DISABLE;
开户事件任务: alter event e_test ON COMPLETION PRESERVE ENABLE;
创建event e_test
CREATE EVENT if not exists e_test
on schedule every 30 second
on completion preserve
do call clear_table();
定时器设置的是30S