首页 > 技术文章 > Mysql计划任务

nzbbody 2015-04-04 11:10 原文

1、检查计划任务是否开启
mysql> set global event_scheduler=off;
Query OK, 0 rows affected
mysql> select @@event_scheduler;
+-------------------+
| @@event_scheduler |
+-------------------+
| OFF               |
+-------------------+
1 row in set
mysql> set global event_scheduler=on;
Query OK, 0 rows affected
mysql> select @@event_scheduler;
+-------------------+
| @@event_scheduler |
+-------------------+
| ON                |
+-------------------+
1 row in set
2、创建计划任务
mysql> show events;
Empty set
mysql> create event event_insert on schedule every 1 second enable do insert into stu (name,age,updatetime) values('Caroline',5,now());
Query OK, 0 rows affected
mysql> show events;
+--------+--------------+---------+-----------+-----------+------------+----------------+----------------+---------------------+------+---------+------------+----------------------+----------------------+--------------------+
| Db     | Name         | Definer | Time zone | Type      | Execute at | Interval value | Interval field | Starts              | Ends | Status  | Originator | character_set_client | collation_connection | Database Collation |
+--------+--------------+---------+-----------+-----------+------------+----------------+----------------+---------------------+------+---------+------------+----------------------+----------------------+--------------------+
| testdb | event_insert | root@%  | SYSTEM    | RECURRING | NULL       | 1              | SECOND         | 2015-03-25 19:57:41 | NULL | ENABLED |          0 | utf8                 | utf8_general_ci      | utf8_general_ci    |
+--------+--------------+---------+-----------+-----------+------------+----------------+----------------+---------------------+------+---------+------------+----------------------+----------------------+--------------------+
1 row in set
3、定时添加记录
mysql> delete from stu;
Query OK, 6 rows affected
mysql> select * from stu;
+-----+----------+-----+---------------------+
| Id  | Name     | Age | updatetime          |
+-----+----------+-----+---------------------+
| 232 | Caroline |   5 | 2015-03-25 19:58:57 |
| 233 | Caroline |   5 | 2015-03-25 19:58:58 |
+-----+----------+-----+---------------------+
2 rows in set
4、修改计划任务
mysql> alter event event_insert on schedule every 1 second disable;
Query OK, 0 rows affected

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