-- 弃用f_task_blueprint表两个字段
ALTER TABLE `lims_system`.`f_task_blueprint`
  MODIFY COLUMN `back_cross_recipient_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务书回交接收人（弃用）' AFTER `back_cross_time`,
  MODIFY COLUMN `demand_completion_time` datetime NULL DEFAULT NULL COMMENT '要求完成时间（弃用，已加到etask表中）' AFTER `back_cross_recipient_by`;

-- f_etask表增加三个字段
ALTER TABLE `lims_system`.`f_etask`
  ADD COLUMN `task_issued_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务下达人' AFTER `is_deleted`,
  ADD COLUMN `back_cross_time` datetime(0) NULL DEFAULT NULL COMMENT '任务书回交日期' AFTER `task_issued_by`,
  ADD COLUMN `back_cross_recipient_by` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '任务书回交接收人' AFTER `back_cross_time`;