代码例子:
CREATE EVENT `course_listener`
ON SCHEDULE EVERY DAY STARTS '2012-07-18 00:00:00'
ON COMPLETION PRESERVE
ENABLE
DO
UPDATE `om_courselist` SET `status`= WHERE `status`= AND `closetime`<CURRENT_TIMESTAMP();

可以用navicat创建事件,更快捷:

Navicat创建和设计MySQL事件

1.开启定时器 0:off 1:on

SET GLOBAL event_scheduler = 1;

2.在navicat左侧选择一个数据库,单击“时间”-“创建事件”,弹出一个窗口。

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" alt="" width="374" height="291" />

在定义选项输入SQL语句,以BEGIN开头,以END结尾。

如果是在本地运行,Definer为root@localhost。

3.计划任务,每隔一段时间就有固定需求的操作,如创建表,删除数据等操作。

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" alt="" width="379" height="295" />

3-1. AT 时间戳,用来完成单次的计划任务。

3-2. EVERY 时间(单位)的数量时间单位[STARTS 时间戳] [ENDS时间戳],用来完成重复的计划任务。时间单位较多,按需选择。

在两种计划任务中,时间戳可以是任意的TIMESTAMP 和DATETIME 数据类型,时间戳需要大于当前时间。

最后保存就OK了

附上mysql事件的语法:

MySQL 或 MariaDB 事件语法

MySQL 事件计划是在 MySQL 5.1.6 添加。MySQL 事件是按计划运行工作。因此,我们有时称它们为计划事件。当你创建一个事件时,你是创建一个有名的数据库对象,包含在一个或多个规律区间运行一个或多个 SQL 语句,并在特定的日期时间开始及结束。从概念上,这是类似 Windows 任务计划程序的概念。点击 来打开 事件 的对象列表。

定义

定义包括一个有效的 SQL 语句。这可以是一个简单的语句,如 SELECTINSERT,或它可以是一个用 BEGINEND 写的复合语句。复合语句可以包含声明循环和其它控制结构语句。

提示:要自定义编辑器的视图并查看更多 sql 编辑功能,请看编辑器高级功能

定义者
指定当在事件运行时检查访问权限要使用的用户帐号。默认定义者值是运行 CREATE EVENT 语句的的用户。(这是和
DEFINER = CURRENT_USER 相同。)如果给予一个用户值,它应该是一个 'user_name'@'host_name' 格式的
MySQL 帐号(使用在 GRANT 语句相同的格式)。user_name 及 host_name 值都是必须的。

状态
你可以创建一个事件但可以用 DISABLE 关键字保持不激活。或者,你可以用 ENABLE 来出明确默认状态,这是激活。

ON COMPLETION
正常情况下,一旦事件已过期,它将立即删除。你可以通过指定 ON COMPLETION PRESERVE 来重写此性能。使用 ON COMPLETION NOT PRESERVE 只是使默认非持久性的性能明确。

计划

AT
AT timestamp 用于一次性事件。它指定该事件只运行一次于 timestamp 的日期和时间,它必须同时包含日期和时间,或必须是一个解析为 datetime 值的表达式。使用 +INTERVAL 来创建一个事件,它发生在与当前日期和时间有关的将来某个时候。

EVERY
在定期间隔重复的行动,你可以用一个 EVERY 子句之后是一个 interval。(+INTERVALEVERY 不能同时使用。)

STARTS
EVERY 子句还可能包含一个非必须的 STARTS 子句。STARTS 之后是一个 timestamp 值表示行动应该何时开始重复,也可以用 +INTERVAL 间隔以指定「由现在开始」的时间量。

例如:EVERY 3 MONTH STARTS CURRENT_TIMESTAMP + 1 WEEK 的意思是「每 3 个月,从现在起一周后开始」。

ENDS

EVERY 子句还可包含一个非必须的 ENDS 子句。ENDS 关键字之后是一个 timestamp 值告诉 MySQL 何时停止重复事件。你也可以用 +INTERVAL 间隔与 ENDS 一起。

例如:EVERY 12 HOUR STARTS CURRENT_TIMESTAMP + INTERVAL 30 MINUTE ENDS CURRENT_TIMESTAMP + INTERVAL 4 WEEK 相当于「每十二个小时,从现在起三十分钟后开始,并于现在起四个星期后结束」。

P.S. timestamp 必须在未来的 - 你不能安排一个事件发生在过去。
 

interval 区间由两部份组成,数量和时间单位*。
*YEAR | QUARTER | MONTH | DAY | HOUR | MINUTE |
WEEK | SECOND | YEAR_MONTH | DAY_HOUR | DAY_MINUTE |
DAY_SECOND | HOUR_MINUTE | HOUR_SECOND | MINUTE_SECOND

来源:http://www.navicat.com.cn/manual/online_manual/cn/navicat/win_manual/EventsMySQL.html

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