Autorunning查询在MySQL [英] Autorunning Query in mysql

问题描述

时有可能使运行每天晚上11点的存储过程，如果任何记录被修改了过去六年月，如果某些记录被修改了过去六年一个月，我不得不从表中删除它检查表。这有无需使用任何外部的语言自动运行。

解决方案

  CREATE EVENT IF NOT EXISTS`my_old_data_cleaner_event`
ON SCHEDULE EVERY 23 DAY_HOUR
COMMENT每天晚上11:00清理服务开始！
DO DELETE FROM my_table的WHERE CREATED_DATE＆LT; （NOW（） - 时间间隔1个月）;
 

或存储过程。

  CREATE EVENT IF NOT EXISTS`my_old_data_cleaner_event`
ON SCHEDULE EVERY 23 DAY_HOUR
DO CALL my_sp_cleanup_ol​​d_data（）;
 

Is it possible to make a stored procedure that run every night 11 pm , check in table if any record is modified for last six month, If some record is modified for last six month I have to delete it from table. This has to run automatically without use of any external language.

解决方案

CREATE EVENT IF NOT EXISTS `my_old_data_cleaner_event`
ON SCHEDULE EVERY 23 DAY_HOUR
COMMENT 'Clean up Service Start at 11:00PM daily!'
DO DELETE FROM my_table WHERE created_date < (NOW() - INTERVAL 1 MONTH);

OR for Stored Procedure.

CREATE EVENT IF NOT EXISTS `my_old_data_cleaner_event`
ON SCHEDULE EVERY 23 DAY_HOUR
DO CALL my_sp_cleanup_old_data();

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