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 0.05 - 0.01 and 0.05 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1474438.20..1474438.21 rows=1 width=8) (actual time=15965.128..15965.128 rows=1 loops=1)
   Buffers: shared hit=660505 read=376405 written=237
   ->  Bitmap Heap Scan on lineitem  (cost=190416.40..1470459.40 rows=795760 width=8) (actual time=4821.331..15783.061 rows=793799 loops=1)
         Recheck Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
         Filter: ((l_discount >= 0.04::double precision) AND (l_discount <= 0.06::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8314033
         Heap Blocks: exact=1012045
         Buffers: shared hit=660505 read=376405 written=237
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190217.46 rows=9114089 width=0) (actual time=4248.403..4248.403 rows=9181068 loops=1)
               Index Cond: ((l_shipdate >= '1994-01-01'::date) AND (l_shipdate < '1995-01-01'::date))
               Buffers: shared hit=2 read=24863 written=36
 Planning time: 1.588 ms
 Execution time: 15975.632 ms
(13 rows)

COMMIT;
COMMIT