BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1994-01-01'
	and l_shipdate < cast(date '1994-01-01' + interval '1 year' as date)
	and l_discount between 0.08 - 0.01 and 0.08 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1480712.11..1480712.12 rows=1 width=8) (actual time=14907.235..14907.235 rows=1 loops=1)
   Buffers: shared hit=875334 read=165599 written=149
   ->  Bitmap Heap Scan on lineitem  (cost=191226.72..1476862.47 rows=769927 width=8) (actual time=4284.364..14750.793 rows=761045 loops=1)
         Recheck Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
         Filter: ((l_discount >= 0.07::double precision) AND (l_discount <= 0.09::double precision) AND (l_quantity < 24::double precision))
         Rows Removed by Filter: 8346710
         Heap Blocks: exact=1016068
         Buffers: shared hit=875334 read=165599 written=149
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191034.23 rows=9172167 width=0) (actual time=3839.250..3839.250 rows=9217485 loops=1)
               Index Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
               Buffers: shared hit=2108 read=22757 written=7
 Planning time: 1.961 ms
 Execution time: 14913.357 ms
(13 rows)

COMMIT;
COMMIT