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 0.06 - 0.01 and 0.06 + 0.01
	and l_quantity < 25;
NOTICE:  duration: 11636.395 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 0.06 - 0.01 and 0.06 + 0.01
	and l_quantity < 25;
Finalize Aggregate  (cost=1722469.49..1722469.50 rows=1 width=32) (actual time=11635.008..11636.385 rows=1 loops=1)
  WAL: records=7 fpi=7 bytes=32945
  ->  Gather  (cost=1722469.27..1722469.48 rows=2 width=32) (actual time=11634.990..11636.370 rows=3 loops=1)
        Workers Planned: 2
        Workers Launched: 2
        WAL: records=7 fpi=7 bytes=32945
        ->  Partial Aggregate  (cost=1721469.27..1721469.28 rows=1 width=32) (actual time=11621.664..11621.665 rows=1 loops=3)
              WAL: records=7 fpi=7 bytes=32945
              ->  Parallel Seq Scan on lineitem  (cost=0.00..1718935.84 rows=506685 width=12) (actual time=0.033..11256.350 rows=396372 loops=3)
                    Filter: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date) AND (l_discount >= 0.05) AND (l_discount <= 0.07) AND (l_quantity < '25'::numeric))
                    Rows Removed by Filter: 19598738
                    WAL: records=7 fpi=7 bytes=32945
     revenue     
-----------------
 1337827371.5996
(1 row)

COMMIT;
COMMIT