-- 按工单保存技术文件清单，历史工单不做猜测性回填。
CREATE TABLE IF NOT EXISTS `mes_pro_work_order_technical_file` (
  `id` bigint NOT NULL AUTO_INCREMENT,
  `work_order_id` bigint NOT NULL,
  `source_file_id` bigint NOT NULL,
  `blob_id` bigint NOT NULL,
  `version_no` int DEFAULT NULL,
  `file_name` varchar(255) DEFAULT NULL,
  `creator` varchar(64) DEFAULT '',
  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updater` varchar(64) DEFAULT '',
  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `deleted` bit(1) NOT NULL DEFAULT b'0',
  PRIMARY KEY (`id`),
  KEY `idx_work_order_id` (`work_order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='生产工单技术文件快照';