BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1996-01-01'
	and l_shipdate < cast(date '1996-01-01' + interval '1 year' as date)
	and l_discount between 0.02 - 0.01 and 0.02 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1470843.62..1470843.63 rows=1 width=8) (actual time=24145.172..24145.173 rows=1 loops=1)
   Buffers: shared hit=379197 read=653010 written=415
   ->  Bitmap Heap Scan on lineitem  (cost=191517.44..1466837.74 rows=801176 width=8) (actual time=9515.669..23966.806 rows=797807 loops=1)
         Recheck Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
         Filter: ((l_discount >= 0.01::double precision) AND (l_discount <= 0.03::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8325628
         Heap Blocks: exact=1007275
         Buffers: shared hit=379197 read=653010 written=415
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191317.15 rows=9142858 width=0) (actual time=8732.538..8732.538 rows=9159291 loops=1)
               Index Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
               Buffers: shared hit=483 read=24449 written=414
 Planning time: 1.788 ms
 Execution time: 24159.265 ms
(13 rows)

COMMIT;
COMMIT