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 0.09 - 0.01 and 0.09 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1464583.94..1464583.95 rows=1 width=8) (actual time=15890.147..15890.147 rows=1 loops=1)
   Buffers: shared hit=356891 read=672866 written=66
   ->  Bitmap Heap Scan on lineitem  (cost=190521.91..1462617.75 rows=393237 width=8) (actual time=3994.015..15778.731 rows=396823 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::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: 8714515
         Heap Blocks: exact=1004884
         Buffers: shared hit=356891 read=672866 written=66
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190423.61 rows=9091104 width=0) (actual time=3509.129..3509.129 rows=9120673 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared read=24873 written=65
 Planning time: 1.715 ms
 Execution time: 15904.367 ms
(13 rows)

COMMIT;
COMMIT