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=1467949.65..1467949.66 rows=1 width=8) (actual time=16178.648..16178.648 rows=1 loops=1)
   Buffers: shared hit=631095 read=398662 written=15
   ->  Bitmap Heap Scan on lineitem  (cost=191218.18..1463949.85 rows=799959 width=8) (actual time=5705.625..16000.700 rows=794888 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: 8316450
         Heap Blocks: exact=1004884
         Buffers: shared hit=631095 read=398662 written=15
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191018.20 rows=9119363 width=0) (actual time=5063.963..5063.963 rows=9120673 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared read=24873 written=15
 Planning time: 2.090 ms
 Execution time: 16193.282 ms
(13 rows)

COMMIT;
COMMIT