mysql自带计划任务

SET GLOBAL event_scheduler = 1;
delimiter //
drop event if exists `test` //
CREATE EVENT IF NOT EXISTS `test` on schedule every 10 second starts current_timestamp comment '测试事件'
do
begin
declare a varchar(255);
declare i int(1) default 0;
DECLARE cur CURSOR FOR select tname from `test`;
OPEN cur;
while i<12 do
FETCH cur INTO a;
insert into `test` (tname) values (a);
set i=i+1;
end while;
close cur;
end //
delimiter ;