text: /*
  DESCRIBE `web_user+web_role`;
  
  +---------+---------+------+-----+---------+----------------+
  | Field   | Type    | Null | Key | Default | Extra          |
  +---------+---------+------+-----+---------+----------------+
  | id      | int(11) | NO   | PRI | NULL    | auto_increment |
  | user_id | int(11) | NO   | MUL | NULL    |                |
  | role_id | int(11) | NO   |     | NULL    |                |
  +---------+---------+------+-----+---------+----------------+
  */
  
  -- SHOW CREATE TABLE `web_user+web_role`;
  
  CREATE TABLE `web_user+web_role` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `user_id` int(11) NOT NULL,
    `role_id` int(11) NOT NULL,
    PRIMARY KEY (`id`),
    UNIQUE KEY `role_key` (`user_id`, `role_id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  