text: 
  DROP TABLE IF EXISTS `userrole_info`;
  CREATE TABLE `userrole_info` (
    `id` bigint(20) NOT NULL AUTO_INCREMENT,
    `user_id` bigint(20) DEFAULT NULL,
    `role_id` bigint(20) DEFAULT NULL,
    `created_at` datetime NOT NULL,
    `updated_at` datetime NOT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8;