BEGIN;
BEGIN
create or replace view revenue8 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1996-01-01'
		and l_shipdate < date'1996-01-01' + 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,
	revenue8
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue8
	)
order by
	s_suppkey;
                                                                                          QUERY PLAN                                                                                          
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=3331074.59..3336172.30 rows=3767 width=79) (actual time=44858.787..44858.789 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue8.supplier_no)
   Buffers: shared hit=1892627 read=246585 dirtied=1062 written=445
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1656940.82..1656940.83 rows=1 width=8) (actual time=24273.902..24273.903 rows=1 loops=1)
           Buffers: shared hit=831198 read=237455 written=21
           ->  HashAggregate  (cost=1656856.07..1656893.74 rows=3767 width=12) (actual time=24223.217..24262.811 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=831198 read=237455 written=21
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=189017.71..1634230.88 rows=2262519 width=12) (actual time=118.769..22222.309 rows=2241051 loops=1)
                       Recheck Cond: (l_shipdate >= '1996-01-01'::date)
                       Rows Removed by Index Recheck: 34911122
                       Filter: (l_shipdate < '1996-03-31 00:00:00'::timestamp without time zone)
                       Rows Removed by Filter: 22833480
                       Heap Blocks: lossy=1068605
                       Buffers: shared hit=831198 read=237455 written=21
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..188452.08 rows=25107211 width=0) (actual time=118.028..118.028 rows=10696960 loops=1)
                             Index Cond: (l_shipdate >= '1996-01-01'::date)
                             Buffers: shared hit=48
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.028..20.840 rows=69999 loops=1)
         Buffers: shared hit=1906
   ->  Sort  (cost=1674133.46..1674142.88 rows=3767 width=12) (actual time=44831.113..44831.114 rows=1 loops=1)
         Sort Key: revenue8.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=1890721 read=246585 dirtied=1062 written=445
         ->  Subquery Scan on revenue8  (cost=1673824.96..1673909.72 rows=3767 width=12) (actual time=44816.545..44831.093 rows=1 loops=1)
               Buffers: shared hit=1890721 read=246585 dirtied=1062 written=445
               ->  HashAggregate  (cost=1673824.96..1673872.05 rows=3767 width=12) (actual time=44816.543..44831.091 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=1890721 read=246585 dirtied=1062 written=445
                     ->  Bitmap Heap Scan on lineitem  (cost=189017.71..1634230.88 rows=2262519 width=12) (actual time=122.715..18389.835 rows=2241051 loops=1)
                           Recheck Cond: (l_shipdate >= '1996-01-01'::date)
                           Rows Removed by Index Recheck: 34911122
                           Filter: (l_shipdate < '1996-03-31 00:00:00'::timestamp without time zone)
                           Rows Removed by Filter: 22833480
                           Heap Blocks: lossy=1068605
                           Buffers: shared hit=1059523 read=9130 dirtied=1062 written=424
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..188452.08 rows=25107211 width=0) (actual time=121.967..121.967 rows=10686720 loops=1)
                                 Index Cond: (l_shipdate >= '1996-01-01'::date)
                                 Buffers: shared hit=48
 Planning time: 1.974 ms
 Execution time: 44861.073 ms
(44 rows)

drop view revenue8;
DROP VIEW
COMMIT;
COMMIT