CREATE TABLE t ( v VARCHAR(100) NOT NULL ) ENGINE INNODB DEFAULT CHARSET=utf8; 創建定時器 調用的存儲過程 DELIMITER $$ DROP PROCEDURE IF EXISTS e_test $$ CREATE PROCEDURE e_test() BEGIN INSERT INTO t VALUES('1'); END $$ DELIMITER ; 要使定時起作用 MySQL的常量GLOBAL event_scheduler必須為on或者是1 -- 查看是否開啟定時器 SHOW VARIABLES LIKE '%sche%'; -- 開啟定時器 0：off 1：on SET GLOBAL event_scheduler = 1; -- 創建事件 --每隔一秒自動調用e_test()存儲過程 CREATE EVENT IF NOT EXISTS event_test ON SCHEDULE EVERY 1 SECOND ON COMPLETION PRESERVE DO CALL e_test(); -- 開啟事件 ALTER EVENT event_test ON COMPLETION PRESERVE ENABLE; -- 關閉事件 ALTER EVENT event_test ON COMPLETION PRESERVE DISABLE; 從現在開始每隔九天定時執行 CREATE EVENT EVENT1 ON SCHEDULE EVERY 9 DAY STARTS NOW() ON COMPLETION PRESERVE ENABLE DO BEGIN CALL TOTAL(); END 每個月的一號凌晨1 點執行 CREATE EVENT EVENT2 ON SCHEDULE EVERY 1 MONTH STARTS DATE_ADD(DATE_ADD(DATE_SUB(CURDATE(),INTERVAL DAY(CURDATE())-1 DAY), INTERVAL 1 MONTH),INTERVAL 1 HOUR) ON COMPLETION PRESERVE ENABLE DO BEGIN CALL STAT(); END 每個季度一號的凌晨2點執行 CREATE EVENT TOTAL_SEASON_EVENT ON SCHEDULE EVERY 1 QUARTER STARTS DATE_ADD(DATE_ADD(DATE( CONCAT(YEAR(CURDATE()),'-',ELT(QUARTER(CURDATE()),1,4,7,10),'-',1)),INTERVAL 1 QUARTER),INTERVAL 2 HOUR) ON COMPLETION PRESERVE ENABLE DO BEGIN CALL SEASON_STAT(); END 每年1月1號凌晨四點執行 CREATE EVENT TOTAL_YEAR_EVENT ON SCHEDULE EVERY 1 YEAR STARTS DATE_ADD(DATE(CONCAT(YEAR(CURDATE()) + 1,'-',1,'-',1)),INTERVAL 4 HOUR) ON COMPLETION PRESERVE ENABLE DO BEGIN CALL YEAR_STAT(); END
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