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 0.06 - 0.01 and 0.06 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1478645.79..1478645.80 rows=1 width=8) (actual time=20496.801..20496.801 rows=1 loops=1)
   Buffers: shared hit=500895 read=534356 written=398
   ->  Bitmap Heap Scan on lineitem  (cost=193525.51..1474582.51 rows=812656 width=8) (actual time=6875.167..20320.116 rows=795809 loops=1)
         Recheck Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
         Filter: ((l_discount >= 0.05::double precision) AND (l_discount <= 0.07::double precision) AND (l_quantity < 25::double precision))
         Rows Removed by Filter: 8327524
         Heap Blocks: exact=1010319
         Buffers: shared hit=500895 read=534356 written=398
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..193322.35 rows=9253378 width=0) (actual time=6103.723..6103.723 rows=9186518 loops=1)
               Index Cond: ((l_shipdate >= '1996-01-01'::date) AND (l_shipdate < '1997-01-01'::date))
               Buffers: shared hit=87 read=24845 written=210
 Planning time: 2.891 ms
 Execution time: 20500.867 ms
(13 rows)

COMMIT;
COMMIT