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 0.08 - 0.01 and 0.08 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1476202.85..1476202.86 rows=1 width=8) (actual time=19299.261..19299.261 rows=1 loops=1)
   Buffers: shared hit=539852 read=497207 written=420
   ->  Bitmap Heap Scan on lineitem  (cost=191331.54..1472370.06 rows=766559 width=8) (actual time=7085.791..19137.482 rows=764273 loops=1)
         Recheck Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::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: 8355979
         Heap Blocks: exact=1012165
         Buffers: shared hit=539852 read=497207 written=420
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191139.90 rows=9158334 width=0) (actual time=6413.384..6413.384 rows=9191860 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: 1.738 ms
 Execution time: 19302.611 ms
(13 rows)

COMMIT;
COMMIT