MySQL脚本

一. move.sql

use items
set @endTime=(select DATE_SUB(now(),INTERVAL 3 MONTH));

REPLACE INTO new_items (url, title)
SELECT url, title
FROM old_items
    WHERE created < @endTime
    ORDER BY created;

DELETE FROM old_items WHERE created < @endTime

　

二. 执行脚本mysql.sh

#!/bin/sh
cd /opt/projects/my_project
mysql -hlocalhost -uxx -pxxx < move.sql