学习mysql事件如何调用存储过程的方法

第一次写事件调用存储过程，在网上找了一些资料，特此做下总结，巩固一下：

事件调用存储过程主要有三种：

（1）创建事件马上执行，调用存储过程

 CREATE EVENT if not exists Event_Stat_Daily
          on schedule EVERY 1 DAY
          on completion preserve
     do call cp_Stat_VideoData();

（2）每天定时执行事件，调用存储过程

CREATE EVENT Event_Stat_Daily
ON SCHEDULE EVERY 1 DAY STARTS '2017-03-01 02:00:00'
ON COMPLETION PRESERVE
ENABLE
DO call cp_Stat_VideoData();

（3）没有调用方法或者存储过程，直接在事件里面逻辑操作

DELIMITER | CREATE EVENT e5 ON SCHEDULE EVERY 1 DAY STARTS  '2017-03-01 02:00:00' ON COMPLETION PRESERVE DO BEGIN declare yestday date; set yestday=date(date_add(NOW(), interval -1 day)); if exists(select Id from Stat_VideoHits where AddDate = yestday) THEN delete from Stat_VideoHits where AddDate=yestday; end if;

insert into Stat_VideoHits(Id,VideoId,Times,AddDate) select uuid(), VideoId,COUNT(1),AddDate from Coll_VideoHits where AddDate = yestday group by VideoId;

DELETE from Sum_VideoHits;

insert into Sum_VideoHits(Id,VideoId,Times,UpdateDate) select uuid(),VideoId,sum(Times),now() from Stat_VideoHits group by VideoId;

END | DELIMITER ;

本文主要出自：

# 找了  # 在网上  # mysql  # 存储过程  # preserve  # SCHEDULE  # call  # 主要有三种  # cp_Stat_VideoData  # ff00ff  # bold 

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