BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1997-01-01'
	and l_shipdate < cast(date '1997-01-01' + interval '1 year' as date)
	and l_discount between 0.04 - 0.01 and 0.04 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1467302.90..1467302.91 rows=1 width=8) (actual time=19300.308..19300.309 rows=1 loops=1)
   Buffers: shared hit=563215 read=467623 written=14129
   ->  Bitmap Heap Scan on lineitem  (cost=191215.58..1465314.71 rows=397639 width=8) (actual time=5318.574..19175.132 rows=397364 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.03::double precision) AND (l_discount <= 0.05::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8704936
         Heap Blocks: exact=1005965
         Buffers: shared hit=563215 read=467623 written=14129
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191116.17 rows=9129161 width=0) (actual time=4803.748..4803.748 rows=9133562 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=2475 read=22398 written=899
 Planning time: 1.642 ms
 Execution time: 19314.881 ms
(13 rows)

COMMIT;
COMMIT