MySQL 定时任务
1 创建存储过程 1.1 创建一个存储过程 1 2 3 4 5 6 7 8 9 CREATE PROCEDURE `ClearExpiredData`() BEGIN -- 清理已过期10天的数据 delete from vid_blacklist where expire_time > CAST('2010-10-10' AS DATETIME) and expire_time < SUBDATE(CURDATE(), 10); -- end END 1.2 执行存储过程 1 call ClearExpiredData() 2 数据库定时任务 2.1 创建一次性事件 1 2 3 CREATE EVENT clearEvent ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 DAY DO call ClearExpiredData() 2.2 创建周期性事件 每天早上8点执行一次: 1 2 3 4 5 CREATE EVENT clearEvent ON SCHEDULE EVERY 1 DAY STARTS '2022-01-24 08:00:00' COMMENT '定时清理过期数据' DO call ClearExpiredData(); 2.3 查询数据库 Event 1 select * from information_schema.events where event_name = 'clearEvent' 2.4 删除 Event 1 drop EVENT clearEvent 总结 TODO……