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
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1994-01-01'
	and l_shipdate < cast(date '1994-01-01' + interval '1 year' as date)
	and l_discount between 0.03 - 0.01 and 0.03 + 0.01
	and l_quantity < 25;
NOTICE:  duration: 13937.730 ms  plan:
Query Text: select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1994-01-01'
	and l_shipdate < cast(date '1994-01-01' + interval '1 year' as date)
	and l_discount between 0.03 - 0.01 and 0.03 + 0.01
	and l_quantity < 25;
Finalize Aggregate  (cost=1724133.87..1724133.88 rows=1 width=32) (actual time=13937.620..13937.718 rows=1 loops=1)
  ->  Gather  (cost=1724133.65..1724133.86 rows=2 width=32) (actual time=13937.605..13937.706 rows=3 loops=1)
        Workers Planned: 2
        Workers Launched: 2
        ->  Partial Aggregate  (cost=1723133.65..1723133.66 rows=1 width=32) (actual time=13914.449..13914.450 rows=1 loops=3)
              ->  Parallel Seq Scan on lineitem  (cost=0.00..1720622.03 rows=502324 width=12) (actual time=0.089..13472.246 rows=396969 loops=3)
                    Filter: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date) AND (l_discount >= 0.02) AND (l_discount <= 0.04) AND (l_quantity < '25'::numeric))
                    Rows Removed by Filter: 19598141
    revenue     
----------------
 669487394.1805
(1 row)

COMMIT;
COMMIT