with combineday as ( select '2021-10-01' as date union select '2021-10-02' union select '2021-10-03' ), dataList as ( select tb_get_car_record.uid, order_id, start_time, finish_time from tb_get_car_record join tb_get_car_order using (order_id) ) select date, round(count(start_time)/7,2),#已完成的订单总量 ro...