本文介绍IP字段在mysql数据表中的优化。 创建测试表 mysql create table hosts( – `id` int(8) not null auto_increment, – `ip` int unsigned not本文来源[email protected]搞@^&代*@码)网5 null, – `hostname` varchar(30) not null, – `desc` varchar(100) , – PRIMARY KEY(`id`)) ENGINE=InnoDB;Q
本文介绍IP字段在mysql数据表中的优化。
创建测试表
mysql> create table hosts( -> `id` int(8) not null auto_increment, -> `ip` int unsigned not null, -> `hostname` varchar(30) not null, -> `desc` varchar(100) , -> PRIMARY KEY(`id`)) ENGINE=InnoDB;Query OK, 0 rows affected (0.03 sec)
查看表结构
mysql> desc hosts -> ;+----------+------------------+------+-----+---------+----------------+| Field | Type | Null | Key | Default | Extra |+----------+------------------+------+-----+---------+----------------+| id | int(8) | NO | PRI | NULL | auto_increment || ip | int(10) unsigned | NO | | NULL | || hostname | varchar(30) | NO | | NULL | || desc | varchar(100) | YES | | NULL | |+----------+------------------+------+-----+---------+----------------+4 rows in set (0.00 sec)
插入测试数据
mysql> insert into hosts (`ip`,`hostname`,`desc`) values (inet_aton('192.168.1.106'),'test','this is test host.');Query OK, 1 row affected (0.03 sec)
mysql> select * from hosts -> ;+----+------------+----------+--------------------+| id | ip | hostname | desc |+----+------------+----------+--------------------+| 1 | 3232235882 | test | this is test host. |+----+------------+----------+--------------------+1 row in set (0.00 sec)
查询
mysql> select inet_ntoa(ip) from hosts;+---------------+| inet_ntoa(ip) |+---------------+| 192.168.1.106 |+---------------+1 row in set (0.00 sec)
原文地址:Mysql 中存储IP地址, 感谢原作者分享。