登錄mysql服務器
mysql -u root -p
查看event是否開啟
show variables like '%sche%';
將事件計划開啟
set global event_scheduler =1;
創建存儲過程test
CREATE PROCEDURE test () BEGIN update examinfo SET endtime = now() WHERE id = 14; END;
創建event e_test
create event if not exists e_test on schedule every 30 second on completion preserve do call test();
每隔30秒將執行存儲過程test,將當前時間更新到examinfo表中id=14的記錄的endtime字段中去.
關閉事件任務
alter event e_test ON COMPLETION PRESERVE DISABLE;
開啟事件任務
alter event e_test ON COMPLETION PRESERVE ENABLE;
mysql 計划任務重啟后消失
我們只要修改一配置即可
event_scheduler在mysql的config中設置為OFF有關。去mysql中將配置改為ON則就搞定了。
刪除任務計划
drop event if exists e_test;
每天定時執行任務,設置第一次執行時間為'2017-06-18 01:00:00',並且每天執行一次
create event if not exists e_test on shcedule every 1 day starts '2017-06-18 01:00:00' do call test();
查看定時任務
SHOW EVENTS select * from mysql.event
