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 < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1468510.61..1468510.62 rows=1 width=8) (actual time=18024.230..18024.230 rows=1 loops=1)
   Buffers: shared hit=787534 read=242720 written=4
   ->  Bitmap Heap Scan on lineitem  (cost=191564.73..1464681.31 rows=765861 width=8) (actual time=7385.800..17873.367 rows=765425 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 < 24::double precision))
         Rows Removed by Filter: 8367003
         Heap Blocks: exact=1005322
         Buffers: shared hit=787534 read=242720 written=4
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191373.27 rows=9136470 width=0) (actual time=6687.341..6687.341 rows=9141400 loops=1)
               Index Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
               Buffers: shared hit=2113 read=22819
 Planning time: 1.884 ms
 Execution time: 18036.605 ms
(13 rows)

COMMIT;
COMMIT