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=1471190.22..1471190.23 rows=1 width=8) (actual time=18702.767..18702.767 rows=1 loops=1)
   Buffers: shared hit=467706 read=565064 written=7
   ->  Bitmap Heap Scan on lineitem  (cost=191086.34..1467192.59 rows=799527 width=8) (actual time=5097.942..18505.635 rows=794925 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: 8316577
         Heap Blocks: exact=1007897
         Buffers: shared hit=467706 read=565064 written=7
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190886.46 rows=9127389 width=0) (actual time=4605.682..4605.682 rows=9147731 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared read=24873 written=7
 Planning time: 3.532 ms
 Execution time: 18708.803 ms
(13 rows)

COMMIT;
COMMIT