BEGIN;
BEGIN
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 '103 days'
group by
	l_returnflag,
	l_linestatus
order by
	l_returnflag,
	l_linestatus;
 l_returnflag | l_linestatus |   sum_qty   | sum_base_price |  sum_disc_price  |    sum_charge    |     avg_qty      |    avg_price     |      avg_disc      | count_order 
--------------+--------------+-------------+----------------+------------------+------------------+------------------+------------------+--------------------+-------------
 A            | F            | 3.69553e+08 |    5.61118e+11 | 538308698494.302 | 559847047999.244 | 25.5000053307997 | 38236.1979254066 | 0.0500044070875546 |    14819540
 N            | F            |   9.862e+06 |    1.47822e+10 | 14043015290.8111 | 14605262679.0184 | 25.5219739552602 | 38255.3193630343 |  0.049972128260406 |      386412
 N            | O            | 7.03111e+08 |    1.07466e+12 | 1050125905910.16 | 1092142107921.01 |  25.496672817816 | 38232.2040223032 | 0.0499973984476095 |    28912754
 R            | F            | 3.69785e+08 |    5.61439e+11 |   538646864742.9 |  560192010261.16 | 25.5085812933977 | 38251.9518606259 | 0.0499948188072461 |    14822649
(4 rows)

COMMIT;
COMMIT