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 0.02 - 0.01 and 0.02 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1480544.56..1480544.57 rows=1 width=8) (actual time=19820.131..19820.132 rows=1 loops=1)
   Buffers: shared hit=592466 read=447323 written=879
   ->  Bitmap Heap Scan on lineitem  (cost=191713.76..1476696.53 rows=769605 width=8) (actual time=5613.945..19629.066 rows=762948 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::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: 8340752
         Heap Blocks: exact=1014916
         Buffers: shared hit=592466 read=447323 written=879
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191521.36 rows=9190879 width=0) (actual time=5056.327..5056.327 rows=9212081 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=124 read=24749 written=344
 Planning time: 2.062 ms
 Execution time: 19827.499 ms
(13 rows)

COMMIT;
COMMIT