BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1997-01-01'
	and l_shipdate < cast(date '1997-01-01' + 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=1466833.94..1466833.95 rows=1 width=8) (actual time=21181.447..21181.447 rows=1 loops=1)
   Buffers: shared hit=709524 read=319221 written=11108
   ->  Bitmap Heap Scan on lineitem  (cost=191331.90..1463017.00 rows=763388 width=8) (actual time=7888.244..20975.745 rows=761007 loops=1)
         Recheck Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::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: 8341063
         Heap Blocks: exact=1003872
         Buffers: shared hit=709524 read=319221 written=11108
         ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..191141.05 rows=9120449 width=0) (actual time=7196.554..7196.554 rows=9111467 loops=1)
               Index Cond: ((l_shipdate >= '1997-01-01'::date) AND (l_shipdate < '1998-01-01'::date))
               Buffers: shared hit=63 read=24810
 Planning time: 1.530 ms
 Execution time: 21186.504 ms
(13 rows)

COMMIT;
COMMIT