BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1993-01-01'
	and l_shipdate < cast(date '1993-01-01' + interval '1 year' as date)
	and l_discount between 0.07 - 0.01 and 0.07 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1479473.87..1479473.88 rows=1 width=8) (actual time=18867.917..18867.917 rows=1 loops=1)
   Buffers: shared hit=489563 read=550530 written=637
   ->  Bitmap Heap Scan on lineitem  (cost=191212.77..1475656.81 rows=763412 width=8) (actual time=6133.285..18700.444 rows=764258 loops=1)
         Recheck Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
         Filter: ((l_discount >= 0.06::double precision) AND (l_discount <= 0.08::double precision) AND (l_quantity < 24::double precision))
         Rows Removed by Filter: 8356438
         Heap Blocks: exact=1015199
         Buffers: shared hit=489563 read=550530 written=637
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191021.92 rows=9166935 width=0) (actual time=5525.642..5525.642 rows=9219239 loops=1)
               Index Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
               Buffers: shared read=24894 written=34
 Planning time: 1.761 ms
 Execution time: 18874.126 ms
(13 rows)

COMMIT;
COMMIT