CREATE TABLE `file` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `file_name` varchar(255) NOT NULL,
  `file_path` varchar(255) NOT NULL,
  `file_type` varchar(255) NOT NULL,
  `create_time` datetime NOT NULL ON UPDATE CURRENT_TIMESTAMP,
  `creator` bigint(20) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC;

CREATE TABLE `file_binding` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `file_id` bigint(20) NOT NULL,
  `map_id` bigint(20) NOT NULL,
  `device_types` varchar(255) DEFAULT NULL,
  `device_ids` varchar(10000) DEFAULT NULL,
  `creator` bigint(20) NOT NULL,
  `create_time` datetime NOT NULL ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;