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=1475106.97..1475106.98 rows=1 width=8) (actual time=16953.336..16953.336 rows=1 loops=1)
   Buffers: shared hit=888584 read=148475 written=87
   ->  Bitmap Heap Scan on lineitem  (cost=190814.31..1471294.31 rows=762533 width=8) (actual time=7061.566..16789.585 rows=763887 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: 8356365
         Heap Blocks: exact=1012165
         Buffers: shared hit=888584 read=148475 written=87
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..190623.67 rows=9133511 width=0) (actual time=6376.625..6376.625 rows=9191860 loops=1)
               Index Cond: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date))
               Buffers: shared read=24894 written=54
 Planning time: 1.603 ms
 Execution time: 16963.423 ms
(13 rows)

COMMIT;
COMMIT