??????????????????????????????????sql?? select day, count(id), sum(v1) from ( select day , id , sum(v1) v1 from source group by day, id )t
group by day ???????? tConfig.setIdleStateRetentionTime(Time.minutes(1440),Time.minutes(1450)) ??????????????????????????id??????????????1????????????????????????????4??????????????checkpoint???????????????????????????????????????????????????????? ??????????1.10.0
