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 0.02 - 0.01 and 0.02 + 0.01
	and l_quantity < 24;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Aggregate  (cost=1466843.20..1466843.21 rows=1 width=8) (actual time=21383.374..21383.375 rows=1 loops=1)
   Buffers: shared hit=760394 read=268641 written=8489
   ->  Bitmap Heap Scan on lineitem  (cost=191334.29..1463024.56 rows=763727 width=8) (actual time=8669.241..21181.677 rows=763022 loops=1)
         Recheck Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
         Filter: ((l_discount >= 0.01::double precision) AND (l_discount <= 0.03::double precision) AND (l_quantity < 24::double precision))
         Rows Removed by Filter: 8347045
         Heap Blocks: exact=1004141
         Buffers: shared hit=760394 read=268641 written=8489
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191143.36 rows=9120679 width=0) (actual time=7908.184..7908.184 rows=9118876 loops=1)
               Index Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
               Buffers: shared hit=88 read=24806 written=45
 Planning time: 1.834 ms
 Execution time: 21388.753 ms
(13 rows)

COMMIT;
COMMIT