BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1995-01-01'
	and l_shipdate < cast(date '1995-01-01' + 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=1487437.76..1487437.77 rows=1 width=8) (actual time=15640.161..15640.161 rows=1 loops=1)
   Buffers: shared hit=340416 read=701687 dirtied=600 written=388
   ->  Bitmap Heap Scan on lineitem  (cost=193883.68..1483553.72 rows=776808 width=8) (actual time=3865.115..15479.996 rows=761246 loops=1)
         Recheck Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::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: 8352364
         Heap Blocks: exact=1017217
         Buffers: shared hit=340416 read=701687 dirtied=600 written=388
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..193689.48 rows=9304491 width=0) (actual time=3460.897..3460.897 rows=9233674 loops=1)
               Index Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::date))
               Buffers: shared hit=25 read=24861 written=51
 Planning time: 1.876 ms
 Execution time: 15644.149 ms
(13 rows)

COMMIT;
COMMIT