BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1994-01-01'
	and l_shipdate < cast(date '1994-01-01' + interval '1 year' as date)
	and l_discount between 0.09 - 0.01 and 0.09 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1479789.68..1479789.69 rows=1 width=8) (actual time=15932.018..15932.018 rows=1 loops=1)
   Buffers: shared hit=894788 read=146145 dirtied=932 written=5060
   ->  Bitmap Heap Scan on lineitem  (cost=191626.56..1477794.60 rows=399016 width=8) (actual time=4042.067..15818.872 rows=397116 loops=1)
         Recheck Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
         Filter: ((l_discount >= 0.08::double precision) AND (l_discount <= 0.1::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8710639
         Heap Blocks: exact=1016068
         Buffers: shared hit=894788 read=146145 dirtied=932 written=5060
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191526.80 rows=9195824 width=0) (actual time=3578.487..3578.487 rows=9217485 loops=1)
               Index Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
               Buffers: shared hit=23517 read=1348
 Planning time: 1.946 ms
 Execution time: 15938.223 ms
(13 rows)

COMMIT;
COMMIT