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 0.09 - 0.01 and 0.09 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1483523.90..1483523.91 rows=1 width=8) (actual time=19892.125..19892.126 rows=1 loops=1)
   Buffers: shared hit=468665 read=573438 written=86
   ->  Bitmap Heap Scan on lineitem  (cost=192856.39..1481515.00 rows=401781 width=8) (actual time=5697.690..19765.281 rows=396896 loops=1)
         Recheck Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::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: 8716714
         Heap Blocks: exact=1017217
         Buffers: shared hit=468665 read=573438 written=86
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..192755.95 rows=9259538 width=0) (actual time=5156.097..5156.097 rows=9233674 loops=1)
               Index Cond: ((l_shipdate >= '1995-01-01'::date) AND (l_shipdate < '1996-01-01'::date))
               Buffers: shared hit=3 read=24883 written=73
 Planning time: 1.779 ms
 Execution time: 19899.496 ms
(13 rows)

COMMIT;
COMMIT