select message_id, message_title, message_content, message_status, message_type, create_by, create_time, update_by, update_time, remark, message_recipient, send_mode, `code` from message_system insert into message_system message_title, message_content, message_status, message_type, create_by, create_time, update_by, update_time, remark, message_recipient, send_mode, code, #{messageTitle}, #{messageContent}, #{messageStatus}, #{messageType}, #{createBy}, #{createTime}, #{updateBy}, #{updateTime}, #{remark}, #{messageRecipient}, #{sendMode}, #{code}, update message_system message_title = #{messageTitle}, message_content = #{messageContent}, message_status = #{messageStatus}, message_type = #{messageType}, create_by = #{createBy}, create_time = #{createTime}, update_by = #{updateBy}, update_time = #{updateTime}, remark = #{remark}, message_recipient = #{messageRecipient}, send_mode = #{sendMode}, code = #{code}, where message_system.message_id = #{messageId} delete from message_system where message_id = #{messageId} delete from message_system where message_id in #{messageId} INSERT INTO message_system (message_title, message_content, message_status, message_type, message_recipient, send_mode, `code`, create_by, create_time, update_by, update_time, remark) VALUES ( #{item.messageTitle}, #{item.messageContent}, #{item.messageStatus}, #{item.messageType}, #{item.messageRecipient}, #{item.sendMode}, #{item.code}, #{item.createBy}, NOW(), #{item.updateBy}, NOW(), #{item.remark} )