text: CREATE TABLE `undo_log` (
                              `id` bigint(20) NOT NULL AUTO_INCREMENT,
                              `branch_id` bigint(20) NOT NULL,
                              `xid` varchar(100) NOT NULL,
                              `context` varchar(128) NOT NULL,
                              `rollback_info` longblob NOT NULL,
                              `log_status` int(11) NOT NULL,
                              `log_created` datetime NOT NULL,
                              `log_modified` datetime NOT NULL,
                              PRIMARY KEY (`id`),
                              UNIQUE KEY `ux_undo_log` (`xid`,`branch_id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=137 DEFAULT CHARSET=utf8;