BEGIN;
BEGIN
create or replace view revenue6 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1995-09-01'
		and l_shipdate < date'1995-09-01' + interval '90 days'
	group by
		l_suppkey;
CREATE VIEW
EXPLAIN (ANALYZE, BUFFERS)
select
	s_suppkey,
	s_name,
	s_address,
	s_phone,
	total_revenue
from
	supplier,
	revenue6
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue6
	)
order by
	s_suppkey;
                                                                                          QUERY PLAN                                                                                          
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=3468931.96..3474029.76 rows=3773 width=79) (actual time=41973.283..41973.286 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue6.supplier_no)
   Buffers: shared hit=1956315 read=183650 written=146
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1725856.89..1725856.90 rows=1 width=8) (actual time=18716.903..18716.903 rows=1 loops=1)
           Buffers: shared hit=1061745 read=6908 written=1
           ->  HashAggregate  (cost=1725772.00..1725809.73 rows=3773 width=12) (actual time=18675.132..18705.971 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=1061745 read=6908 written=1
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=211979.20..1703113.68 rows=2265832 width=12) (actual time=118.980..16940.681 rows=2247643 loops=1)
                       Recheck Cond: (l_shipdate >= '1995-09-01'::date)
                       Rows Removed by Index Recheck: 31901152
                       Filter: (l_shipdate < '1995-11-30 00:00:00'::timestamp without time zone)
                       Rows Removed by Filter: 25896584
                       Heap Blocks: lossy=1068605
                       Buffers: shared hit=1061745 read=6908 written=1
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..211412.74 rows=28168632 width=0) (actual time=118.232..118.232 rows=10693120 loops=1)
                             Index Cond: (l_shipdate >= '1995-09-01'::date)
                             Buffers: shared hit=23 read=25
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.026..27.620 rows=97885 loops=1)
         Buffers: shared hit=2659
   ->  Sort  (cost=1743074.77..1743084.21 rows=3773 width=12) (actual time=41936.110..41936.111 rows=1 loops=1)
         Sort Key: revenue6.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=1953656 read=183650 written=146
         ->  Subquery Scan on revenue6  (cost=1742765.74..1742850.63 rows=3773 width=12) (actual time=41920.919..41936.090 rows=1 loops=1)
               Buffers: shared hit=1953656 read=183650 written=146
               ->  HashAggregate  (cost=1742765.74..1742812.90 rows=3773 width=12) (actual time=41920.918..41936.087 rows=1 loops=1)
                     Group Key: lineitem.l_suppkey
                     Filter: (sum((lineitem.l_extendedprice * (1::double precision - lineitem.l_discount))) = $0)
                     Rows Removed by Filter: 99999
                     Buffers: shared hit=1953656 read=183650 written=146
                     ->  Bitmap Heap Scan on lineitem  (cost=211979.20..1703113.68 rows=2265832 width=12) (actual time=124.771..21117.153 rows=2247643 loops=1)
                           Recheck Cond: (l_shipdate >= '1995-09-01'::date)
                           Rows Removed by Index Recheck: 31901152
                           Filter: (l_shipdate < '1995-11-30 00:00:00'::timestamp without time zone)
                           Rows Removed by Filter: 25896584
                           Heap Blocks: lossy=1068605
                           Buffers: shared hit=891911 read=176742 written=145
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..211412.74 rows=28168632 width=0) (actual time=124.022..124.022 rows=10686720 loops=1)
                                 Index Cond: (l_shipdate >= '1995-09-01'::date)
                                 Buffers: shared hit=13 read=35
 Planning time: 1.908 ms
 Execution time: 41975.545 ms
(44 rows)

drop view revenue6;
DROP VIEW
COMMIT;
COMMIT