load 'auto_explain';
LOAD
set auto_explain.log_min_duration to 0;
SET
set auto_explain.log_analyze to on;
SET
set auto_explain.log_wal to on;
SET
set auto_explain.log_timing to on;
SET
set auto_explain.log_level to notice;
SET
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 '99 days'
group by
	l_returnflag,
	l_linestatus
order by
	l_returnflag,
	l_linestatus;
NOTICE:  duration: 31483.428 ms  plan:
Query Text: 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 '99 days'
group by
	l_returnflag,
	l_linestatus
order by
	l_returnflag,
	l_linestatus;
Finalize GroupAggregate  (cost=2329897.73..2329899.69 rows=6 width=236) (actual time=31482.057..31483.410 rows=4 loops=1)
  Group Key: l_returnflag, l_linestatus
  ->  Gather Merge  (cost=2329897.73..2329899.13 rows=12 width=236) (actual time=31482.020..31483.339 rows=12 loops=1)
        Workers Planned: 2
        Workers Launched: 2
        ->  Sort  (cost=2328897.71..2328897.72 rows=6 width=236) (actual time=31479.523..31479.525 rows=4 loops=3)
              Sort Key: l_returnflag, l_linestatus
              Sort Method: quicksort  Memory: 27kB
              Worker 0:  Sort Method: quicksort  Memory: 27kB
              Worker 1:  Sort Method: quicksort  Memory: 27kB
              ->  Partial HashAggregate  (cost=2328897.49..2328897.63 rows=6 width=236) (actual time=31479.483..31479.495 rows=4 loops=3)
                    Group Key: l_returnflag, l_linestatus
                    Batches: 1  Memory Usage: 32kB
                    Worker 0:  Batches: 1  Memory Usage: 32kB
                    Worker 1:  Batches: 1  Memory Usage: 32kB
                    ->  Parallel Seq Scan on lineitem  (cost=0.00..1468753.24 rows=24575550 width=25) (actual time=0.018..4406.472 rows=19675034 loops=3)
                          Filter: (l_shipdate <= '1998-08-24 00:00:00'::timestamp without time zone)
                          Rows Removed by Filter: 340189
 l_returnflag | l_linestatus |  sum_qty  |  sum_base_price  |   sum_disc_price   |      sum_charge      |       avg_qty       |     avg_price      |        avg_disc        | count_order 
--------------+--------------+-----------+------------------+--------------------+----------------------+---------------------+--------------------+------------------------+-------------
 A            | F            | 377894559 |  566631033415.69 |  538296159335.2375 |  559835119512.776241 | 25.5010315616080795 | 38237.321821085318 | 0.05000625084563218534 |    14818795
 N            | F            |   9861178 |   14781737358.83 |   14042329814.3886 |   14604572533.962013 | 25.5213074872538109 | 38256.003930821191 | 0.04997611221822510935 |      386390
 N            | O            | 739358904 | 1108654774480.24 | 1053217432840.3144 | 1095358993531.690674 | 25.4978391501112325 | 38233.530373091987 | 0.04999928061335057470 |    28996924
 R            | F            | 378111888 |  567001399027.56 |  538652791476.4533 |  560198413015.669207 | 25.5084727833624952 | 38251.481146826498 | 0.04999665047380447888 |    14822992
(4 rows)

COMMIT;
COMMIT