text: DROP TABLE IF EXISTS `t_user`;
  CREATE TABLE IF NOT EXISTS `t_user` (
    `id` bigint NOT NULL AUTO_INCREMENT,
    `user_name` varchar(40) NOT NULL,
    `password` varchar(32) NOT NULL,
    `age` int(4) NOT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_role`;
  CREATE TABLE `t_role` (
                          `id` bigint NOT NULL AUTO_INCREMENT,
                          `role_name` varchar(40) NOT NULL,
                          PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_role_locale`;
  CREATE TABLE `t_role_locale` (
                          `id` bigint NOT NULL AUTO_INCREMENT,
                          `locale` varchar(5) NOT NULL,
                          `role_name` varchar(255),
                          PRIMARY KEY (`id`,`locale`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_permission`;
  CREATE TABLE `t_permission` (
                          `id` bigint NOT NULL AUTO_INCREMENT,
                          `permission_name` varchar(40) NOT NULL,
                          `permission_value` varchar(255) NOT NULL,
                          `group_name` varchar(40),
                          `rank` varchar(255),
                          `disable` smallint default 0,
                          PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_permission_locale`;
  CREATE TABLE `t_permission_locale` (
                                `id` bigint NOT NULL AUTO_INCREMENT,
                                `locale` varchar(5) NOT NULL,
                                `permission_name` varchar(255) NOT NULL,
                                PRIMARY KEY (`id`,`locale`)
  ) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_role_permission`;
  CREATE TABLE `t_role_permission` (
                          `role_id` bigint,
                          `permission_id` bigint,
                          PRIMARY KEY (`role_id`,`permission_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
  DROP TABLE IF EXISTS `t_role_user`;
  CREATE TABLE `t_role_user` (
                                     `role_id` bigint,
                                     `user_id` bigint,
                                     PRIMARY KEY (`role_id`,`user_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;