MySQL定时器开启、调用_MySQL

bitsCN.com mysql定时器开启、调用创建测试表1 CREATE TABLE t 2 (3 v VARCHAR(100) NOT NULL 4) ENGINE INNODB DEFAULT CHARSET=utf8;创建定时器 调用的存储过程1 DELIMITER $$2 DROP PROCEDURE IF EXISTS e_test $$3 CREATE PROCEDURE e_test() 4 BEGIN 5 INSERT INTO t VALUES('1');6 END $$7 DELIMITER ;要使定时起作用 MySQL的常量GLOBAL event_scheduler必须为on或者是1-- 查看是否开启定时器1 SHOW VARIABLES LIKE '%sche%';-- 开启定时器 0：off 1：on 1 SET GLOBAL event_scheduler = 1;-- 创建事件--每隔一秒自动调用e_test()存储过程1 CREATE EVENT IF NOT EXISTS event_test 2 ON SCHEDULE EVERY 1 SECOND 3 ON COMPLETION PRESERVE 4 DO CALL e_test();-- 开启事件1 ALTER EVENT event_test ON 2 COMPLETION PRESERVE ENABLE;-- 关闭事件1 ALTER EVENT event_test ON 2 COMPLETION PRESERVE DISABLE;从现在开始每隔九天定时执行1 CREATE  EVENT EVENT1 2 ON SCHEDULE EVERY 9 DAY STARTS NOW() 3 ON COMPLETION PRESERVE ENABLE 4 DO 5 BEGIN 6 CALL TOTAL();7 END每个月的一号凌晨1 点执行1 CREATE  EVENT EVENT2 2 ON SCHEDULE EVERY 1 MONTH STARTS DATE_ADD(DATE_ADD(DATE_SUB(CURDATE(),INTERVAL DAY(CURDATE())-1 DAY), INTERVAL 1 MONTH),INTERVAL 1 HOUR) 3 ON COMPLETION PRESERVE ENABLE 4 DO 5 BEGIN 6 CALL STAT();7 END每个季度一号的凌晨2点执行1 CREATE  EVENT TOTAL_SEASON_EVENT 2 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) 3 ON COMPLETION PRESERVE ENABLE 4 DO 5 BEGIN 6 CALL SEASON_STAT();7 END每年1月1号凌晨四点执行1 CREATE  EVENT TOTAL_YEAR_EVENT 2 ON SCHEDULE EVERY 1 YEAR STARTS DATE_ADD(DATE(CONCAT(YEAR(CURDATE()) + 1,'-',1,'-',1)),INTERVAL 4 HOUR) 3 ON COMPLETION PRESERVE ENABLE 4 DO 5 BEGIN 6 CALL YEAR_STAT();7 END MySQL的event在进行按月，季，年进行自动调用存储过程时，为了测试可以把系统改为年的最后一天，如2010-12-31 23：59：55;bitsCN.com