DROP TABLE IF EXISTS `t_vpn_ip`;
CREATE TABLE `t_vpn_ip` (
  `r_id`       int(16)     NOT NULL  AUTO_INCREMENT,
  `ipaddr`      varchar(16)   NOT NULL  UNIQUE,
  `cc_id`       int(16)     NOT NULL  DEFAULT 0,
  PRIMARY KEY (`r_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

/**
 * 实现对VPN地值使用情况表的填充
 * 172.16.0.1--172.16.255.254
 */
DROP PROCEDURE IF EXISTS `vpn_addr_fill`;
DELIMITER ;;
CREATE PROCEDURE `vpn_addr_fill`()
BEGIN
  declare i int;
  declare j int;
  SET i=0;
  WHILE i<=255 DO
    SET j=1;
    WHILE j<255 DO
      INSERT INTO t_vpn_ip(ipaddr) VALUES(concat("172.16.",i,".",j));
      SET j = j + 1;
    END WHILE;
    SET i = i + 1;
  END WHILE;
END
;;
DELIMITER ;

/**
 * 填充数据
 */
call vpn_addr_fill();

/**
 * “功成身退”，删除存储过程
 */
DROP PROCEDURE IF EXISTS `vpn_addr_fill`;