query TTRRRRRRRI
select
    l_returnflag,
    l_linestatus,
    sum(l_quantity) as sum_qty,
    sum(l_extendedprice) as sum_base_price,
    sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,
    sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,
    avg(l_quantity) as avg_qty,
    avg(l_extendedprice) as avg_price,
    avg(l_discount) as avg_disc,
    count(*) as count_order
from
    lineitem
where
    l_shipdate <= date '1998-12-01' - interval '71' day
group by
    l_returnflag,
    l_linestatus
order by
    l_returnflag,
    l_linestatus;
----
A F 37734107 56586554400.73 53758257134.8700 55909065222.827692 25.522005853257337031693758442 38273.129734621672202709109884 0.0499852958383976116221043995 1478493
N F 991417 1487504710.38 1413082168.0541 1469649223.194375 25.516471920522983476604725382 38284.467760848303906933649045 0.0500934266742162969063674268 38854
N O 75283683 112909876769.66 107265890064.7416 111560462484.162066 25.500840389078803497319290943 38245.960228243034695434326354 0.0499965957637073860749460403 2952204
R F 37719753 56568041380.90 53741292684.6040 55889619119.831932 25.505793612690770655973817847 38250.85462609965717067761196 0.0500094058301270564687903602 1478870