MySQL定时事件

时间:2021-10-12 20:52:19

1.创建一个测试表

CREATE TABLE aaa (timeline TIMESTAMP);

2.创建一个事件:每秒插入一条记录到数据表

CREATE EVENT e_test_insert
ON SCHEDULE EVERY 1 SECOND
DO INSERT INTO aaa VALUES (CURRENT_TIMESTAMP);

3.每天定时清空aaa表:

-- 每天定时情况aaa表
CREATE EVENT e_test on schedule every 1 DAY
starts timestamp '2016-12-19 12:00:00'
do truncate table aaa;

4.每天定时情况aaa表,5天后停止执行

-- 每天定时情况aaa表,5天后停止执行
drop event if exists e_test;
create event e_test
on schedule every 1 day
ends current_timestamp + INTERVAL 5 day
do truncate table aaa;

5.5天后开启每天定时清空test表,一个月后停止执行

-- 5天后开启每天定时清空test表,一个月后停止执行
CREATE EVENT e_test
ON SCHEDULE EVERY 1 DAY
STARTS CURRENT_TIMESTAMP + INTERVAL 5 DAY
ENDS CURRENT_TIMESTAMP + INTERVAL 1 MONTH
DO TRUNCATE TABLE aaa;