CREATE TABLE `multi_rooms` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `room_id` varchar(6) NOT NULL,
  `state` text NOT NULL,
  `members` text NOT NULL,
  `updated` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `room_id` (`room_id`)
) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;