Table of Contents
1.使用游标创建存储过程
2.创建定时器调用存储过程
Home Database Mysql Tutorial 使用定时器调用mysql的存储过程--navicat客户端_MySQL

使用定时器调用mysql的存储过程--navicat客户端_MySQL

Jun 01, 2016 pm 01:01 PM
timer client process

1.使用游标创建存储过程

SQL创建:

 

create PROCEDURE daily_max_avg_online()
BEGIN
declare max_online int;
declare avg_online int;
declare time TIMESTAMP;
declare cur cursor for 
select MAX(online_num),round(avg(online_num)),
DATE_FORMAT(statistical_time ,'%y-%m-%d') 
from real_time_online_statistics 
group by DATE_FORMAT(statistical_time ,'%y-%m-%d');

open cur;
cur:loop
FETCH cur into max_online,avg_online,time;

insert into daily_max_avg_online_statistics(id,max_online_num,avg_online_num,statistical_time) 
values(UUID(),max_online,avg_online,time); 
end loop cur;
close cur;

END;
Copy after login

 

Navicat创建:

1,.点击数据库中的函数 --> 新建函数

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2.一路点击完成,进入创建存储过程的界面

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3.保存(Ctrl+S) -- > 输入存储过程名称 --> 完成存储过程的创建

2.创建定时器调用存储过程


1.点击事件 --> 新建事件 --> 进入界面 --> 填写需要定时调用的存储过程

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2.设置定时任务 -- 这里设置每天一次,开始时间为 2014-12-04 15:08:00


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3.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 SHOW VARIABLES LIKE "%event_scheduler%'; -- 开启定时器 0:off 1:on SET GLOBAL event_scheduler = 1; 或 SET GLOBAL event_scheduler = ON; Over   

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