在sql窗口中創建存儲過程:
-- 創建存儲過程
DROP PROCEDURE IF EXISTS P_procedure_name ;
DELIMITER //
CREATE PROCEDURE P_procedure_name ()
BEGIN
delete from table_name where dt < DATE_FORMAT(DATE_SUB(NOW(),INTERVAL 2 DAY),'%Y%m%d');
COMMIT;
END //
DELIMITER ;
在存儲過程中爲:
CREATE DEFINER=`super`@`%` PROCEDURE `P_procedure_name `()
BEGIN
DELETE from table_name where DATE_FORMAT(dt,'%Y%m%d') < DATE_FORMAT(DATE_SUB(CURDATE(),INTERVAL 1 day),'%Y%m%d');
COMMIT;
END
創建事件:
-- 創建事件,定時調度存儲過程任務
DROP EVENT if EXISTS E_event_name;
CREATE EVENT E_event_name
ON SCHEDULE EVERY 1 DAY STARTS DATE_ADD(DATE_ADD(CURDATE(), INTERVAL 1 DAY), INTERVAL 1 HOUR)
COMMENT '每天凌晨1點,調用存儲過程,刪除歷史數據'
DO
call P_procedure_name ();