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 0.08 - 0.01 and 0.08 + 0.01
	and l_quantity < 25;
                                                                                QUERY PLAN                                                                                
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1476855.02..1476855.03 rows=1 width=8) (actual time=37348.757..37348.757 rows=1 loops=1)
   Buffers: shared hit=290463 read=743298 dirtied=352 written=23
   ->  Bitmap Heap Scan on lineitem  (cost=193246.56..1472833.55 rows=804294 width=8) (actual time=10797.004..37008.085 rows=794920 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.07::double precision) AND (l_discount <= 0.09::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8316529
         Buffers: shared hit=290463 read=743298 dirtied=352 written=23
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..193045.49 rows=9235066 width=0) (actual time=10072.204..10072.204 rows=9156668 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=3 read=24871 written=13
 Total runtime: 37364.580 ms
(11 rows)

COMMIT;
COMMIT