mysql 删除指定数据,重排id

删除数据 ,把主机为调试主机的数据全部删除

DELETE  FROM t_client_info WHERE host_name='调试主机';

DELETE  FROM t_client_info WHERE host_name='124.128.246.154';

重新排列id

ALTER TABLE `t_client_info` DROP `id`;

ALTER TABLE `t_client_info` ADD `id` mediumint(6) PRIMARY KEY NOT NULL AUTO_INCREMENT FIRST;