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 0.04 - 0.01 and 0.04 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1462327.50..1462327.51 rows=1 width=8) (actual time=19186.204..19186.204 rows=1 loops=1)
   Buffers: shared hit=141838 read=886907 written=62113
   ->  Bitmap Heap Scan on lineitem  (cost=190036.87..1460437.99 rows=377903 width=8) (actual time=5136.315..19069.227 rows=380594 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.03::double precision) AND (l_discount <= 0.05::double precision) AND (l_quantity < 24::double precision))
         Rows Removed by Filter: 8721476
         Heap Blocks: exact=1003872
         Buffers: shared hit=141838 read=886907 written=62113
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..189942.40 rows=9063383 width=0) (actual time=4623.653..4623.653 rows=9111405 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared read=24873
 Planning time: 1.345 ms
 Execution time: 19189.824 ms
(13 rows)

COMMIT;
COMMIT