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 0.03 - 0.01 and 0.03 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1471849.10..1471849.11 rows=1 width=8) (actual time=16829.381..16829.381 rows=1 loops=1)
   Buffers: shared hit=859026 read=174063 dirtied=48 written=1295
   ->  Bitmap Heap Scan on lineitem  (cost=191413.59..1467871.40 rows=795539 width=8) (actual time=4768.927..16649.861 rows=795862 loops=1)
         Recheck Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::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: 8319381
         Heap Blocks: exact=1008203
         Buffers: shared hit=859026 read=174063 dirtied=48 written=1295
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191214.71 rows=9143014 width=0) (actual time=4279.272..4279.272 rows=9151916 loops=1)
               Index Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::date))
               Buffers: shared read=24886 written=3
 Planning time: 1.846 ms
 Execution time: 16841.857 ms
(13 rows)

COMMIT;
COMMIT