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 0.07 - 0.01 and 0.07 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1469379.77..1469379.78 rows=1 width=8) (actual time=16365.508..16365.509 rows=1 loops=1)
   Buffers: shared hit=391579 read=640154 written=3662
   ->  Bitmap Heap Scan on lineitem  (cost=190801.32..1465393.59 rows=797236 width=8) (actual time=4567.894..16199.533 rows=794114 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.06::double precision) AND (l_discount <= 0.08::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8308186
         Heap Blocks: exact=1006860
         Buffers: shared hit=391579 read=640154 written=3662
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190602.02 rows=9108945 width=0) (actual time=4088.019..4088.019 rows=9138690 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=2033 read=22840 written=2106
 Planning time: 1.825 ms
 Execution time: 16378.119 ms
(13 rows)

COMMIT;
COMMIT