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 0.05 - 0.01 and 0.05 + 0.01
	and l_quantity < 25;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1469773.17..1469773.18 rows=1 width=8) (actual time=21387.974..21387.974 rows=1 loops=1)
   Buffers: shared hit=470980 read=560092 written=13581
   ->  Bitmap Heap Scan on lineitem  (cost=191526.43..1465760.15 rows=802604 width=8) (actual time=7258.489..21202.876 rows=796513 loops=1)
         Recheck Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::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: 8323232
         Heap Blocks: exact=1006178
         Buffers: shared hit=470980 read=560092 written=13581
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191325.78 rows=9138921 width=0) (actual time=6492.334..6492.334 rows=9137198 loops=1)
               Index Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
               Buffers: shared read=24894 written=4
 Planning time: 2.839 ms
 Execution time: 21397.102 ms
(13 rows)

COMMIT;
COMMIT