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 0.03 - 0.01 and 0.03 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1484565.66..1484565.67 rows=1 width=8) (actual time=16370.308..16370.308 rows=1 loops=1)
   Buffers: shared hit=473722 read=566067 written=1169
   ->  Bitmap Heap Scan on lineitem  (cost=193559.63..1480522.70 rows=808591 width=8) (actual time=4477.234..16197.601 rows=796537 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.02::double precision) AND (l_discount <= 0.04::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8316468
         Heap Blocks: exact=1014916
         Buffers: shared hit=473722 read=566067 written=1169
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..193357.48 rows=9278892 width=0) (actual time=3994.292..3994.292 rows=9212081 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared read=24873 written=34
 Planning time: 2.139 ms
 Execution time: 16376.547 ms
(13 rows)

COMMIT;
COMMIT