select from bus_device where EXISTS (select 1 from bus_user_device ud where ud.user_id = #{userId} and ud.device_id = bus_device.id) update bus_device set status = #{status}, print_status = #{printStatus}, error_status = #{errorStatus}, remark = #{remark} device_sn = #{deviceSn} select CONCAT('d', id) id, 0 pid, CONCAT('品牌：', brand, ' | ', '型号：', model) name, CONCAT(location, '[', IF(type=1, '3D打印机', '摄像头'), ']') remark -- , (select count(*) from bus_device_command dc where dc.device_id = bus_device.id) subCount from bus_device order by id desc id, device_code, device_sn, model, brand, name, firmware_version, protocol_version, location, status, print_status, error_status, remark, type, create_by, update_by, create_time, update_time select from bus_device and device_sn like concat('%', #{criteria.deviceSn}, '%') and model like concat('%', #{criteria.model}, '%') and brand like concat('%', #{criteria.brand}, '%') and type = #{criteria.type} and name like concat('%', #{criteria.name}, '%') order by id desc