BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1996-01-01'
	and l_shipdate < cast(date '1996-01-01' + interval '1 year' as date)
	and l_discount between 0.02 - 0.01 and 0.02 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1472297.11..1472297.12 rows=1 width=8) (actual time=19167.972..19167.973 rows=1 loops=1)
   Buffers: shared hit=726366 read=306896 written=10192
   ->  Bitmap Heap Scan on lineitem  (cost=191614.58..1468286.98 rows=802026 width=8) (actual time=4781.266..18949.451 rows=797721 loops=1)
         Recheck Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
         Filter: ((l_discount >= 0.01::double precision) AND (l_discount <= 0.03::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8325685
         Heap Blocks: exact=1008330
         Buffers: shared hit=726366 read=306896 written=10192
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191414.08 rows=9152551 width=0) (actual time=4206.304..4206.304 rows=9168650 loops=1)
               Index Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
               Buffers: shared hit=300 read=24632 written=2
 Planning time: 2.386 ms
 Execution time: 19179.485 ms
(13 rows)

COMMIT;
COMMIT