有A B两张表,A表的某一列是B表中的两列之和,现在要把B的两列之和插入到A中
insert into TBL_PASSENGER_FLOW_STATISTICS(station,enter_station,leave_station)
VALUES(
select station_id from TBL_PASSENGER_FLOW ,
SELECT ifnull(QR_IN_NUM,0)+ifnull(FACE_IN_NUM,0) from TBL_PASSENGER_FLOW ,
SELECT ifnull(QR_OUT_NUM,0)+ifnull(FACE_OUT_NUM,0)from TBL_PASSENGER_FLOW
);
SELECT ifnull(QR_IN_NUM,0)+ifnull(F' at line 3
insert into TBL_PASSENGER_FLOW_STATISTICS(station,enter_station,leave_station)
select
station_id, ifnull(QR_IN_NUM,0)+ifnull(FACE_IN_NUM,0), ifnull(QR_OUT_NUM,0)+ifnull(FACE_OUT_NUM,0)
from TBL_PASSENGER_FLOW