BEGIN;
BEGIN
create or replace view revenue11 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1993-07-01'
		and l_shipdate < date'1993-07-01' + 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,
	revenue11
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue11
	)
order by
	s_suppkey;
                                                                                       QUERY PLAN                                                                                        
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=2359902.66..2365000.66 rows=3769 width=79) (actual time=32774.789..32774.794 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue11.supplier_no)
   Buffers: shared hit=528720 read=790170 written=33230
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1171336.62..1171336.63 rows=1 width=8) (actual time=11332.723..11332.723 rows=1 loops=1)
           Buffers: shared hit=512087 read=146594 written=8387
           ->  HashAggregate  (cost=1171251.82..1171289.51 rows=3769 width=12) (actual time=11274.467..11322.578 rows=100000 loops=1)
                 Buffers: shared hit=512087 read=146594 written=8387
                 ->  Bitmap Heap Scan on lineitem  (cost=48091.72..1148577.78 rows=2267404 width=12) (actual time=2190.256..8097.267 rows=2246890 loops=1)
                       Recheck Cond: ((l_shipdate >= '1993-07-01'::date) AND (l_shipdate < '1993-09-29 00:00:00'::timestamp without time zone))
                       Buffers: shared hit=512087 read=146594 written=8387
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47524.87 rows=2267404 width=0) (actual time=1766.771..1766.771 rows=2251334 loops=1)
                             Index Cond: ((l_shipdate >= '1993-07-01'::date) AND (l_shipdate < '1993-09-29 00:00:00'::timestamp without time zone))
                             Buffers: shared hit=563 read=5580 written=137
   ->  Index Scan using pk_supplier on supplier  (cost=0.00..4791.46 rows=100000 width=71) (actual time=0.036..19.835 rows=55988 loops=1)
         Buffers: shared hit=1527
   ->  Sort  (cost=1188566.03..1188575.45 rows=3769 width=12) (actual time=32749.433..32749.434 rows=1 loops=1)
         Sort Key: revenue11.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=527193 read=790170 written=33230
         ->  Subquery Scan on revenue11  (cost=1188257.35..1188342.15 rows=3769 width=12) (actual time=32718.737..32749.403 rows=1 loops=1)
               Buffers: shared hit=527193 read=790170 written=33230
               ->  HashAggregate  (cost=1188257.35..1188304.46 rows=3769 width=12) (actual time=32718.736..32749.400 rows=1 loops=1)
                     Filter: (sum((public.lineitem.l_extendedprice * (1::double precision - public.lineitem.l_discount))) = $0)
                     Rows Removed by Filter: 99999
                     Buffers: shared hit=527193 read=790170 written=33230
                     ->  Bitmap Heap Scan on lineitem  (cost=48091.72..1148577.78 rows=2267404 width=12) (actual time=2433.172..17440.157 rows=2246890 loops=1)
                           Recheck Cond: ((l_shipdate >= '1993-07-01'::date) AND (l_shipdate < '1993-09-29 00:00:00'::timestamp without time zone))
                           Buffers: shared hit=15106 read=643576 written=24843
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47524.87 rows=2267404 width=0) (actual time=2033.640..2033.640 rows=2249015 loops=1)
                                 Index Cond: ((l_shipdate >= '1993-07-01'::date) AND (l_shipdate < '1993-09-29 00:00:00'::timestamp without time zone))
                                 Buffers: shared hit=2 read=6142
 Total runtime: 32790.211 ms
(33 rows)

drop view revenue11;
DROP VIEW
COMMIT;
COMMIT