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 0.07 - 0.01 and 0.07 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1468459.21..1468459.22 rows=1 width=8) (actual time=16496.873..16496.874 rows=1 loops=1)
   Buffers: shared hit=555376 read=475381 written=83
   ->  Bitmap Heap Scan on lineitem  (cost=190904.20..1464469.54 rows=797935 width=8) (actual time=4567.385..16319.047 rows=794843 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
         Filter: ((l_discount >= 0.06::double precision) AND (l_discount <= 0.08::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8316257
         Heap Blocks: exact=1005884
         Buffers: shared hit=555376 read=475381 written=83
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190704.72 rows=9109215 width=0) (actual time=4130.825..4130.825 rows=9129496 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=3 read=24870 written=39
 Planning time: 2.658 ms
 Execution time: 16500.702 ms
(13 rows)

COMMIT;
COMMIT