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 >= '1995-06-01'
		and l_shipdate < date'1995-06-01' + 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=2359803.50..2364901.30 rows=3773 width=79) (actual time=20385.148..20385.153 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue11.supplier_no)
   Buffers: shared hit=863774 read=455390 written=11013
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1171290.19..1171290.20 rows=1 width=8) (actual time=7584.993..7584.993 rows=1 loops=1)
           Buffers: shared hit=475293 read=183328 written=6327
           ->  HashAggregate  (cost=1171205.30..1171243.03 rows=3773 width=12) (actual time=7541.849..7574.785 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=475293 read=183328 written=6327
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=48068.08..1148540.41 rows=2266489 width=12) (actual time=1162.242..5688.552 rows=2244170 loops=1)
                       Recheck Cond: ((l_shipdate >= '1995-06-01'::date) AND (l_shipdate < '1995-08-30 00:00:00'::timestamp without time zone))
                       Heap Blocks: exact=652486
                       Buffers: shared hit=475293 read=183328 written=6327
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47501.46 rows=2266489 width=0) (actual time=903.208..903.208 rows=2248025 loops=1)
                             Index Cond: ((l_shipdate >= '1995-06-01'::date) AND (l_shipdate < '1995-08-30 00:00:00'::timestamp without time zone))
                             Buffers: shared hit=375 read=5760 written=246
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.023..26.144 rows=70652 loops=1)
         Buffers: shared hit=1922
   ->  Sort  (cost=1188513.01..1188522.44 rows=3773 width=12) (actual time=20351.892..20351.894 rows=1 loops=1)
         Sort Key: revenue11.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=861852 read=455390 written=11013
         ->  Subquery Scan on revenue11  (cost=1188203.97..1188288.86 rows=3773 width=12) (actual time=20300.798..20351.859 rows=1 loops=1)
               Buffers: shared hit=861852 read=455390 written=11013
               ->  HashAggregate  (cost=1188203.97..1188251.13 rows=3773 width=12) (actual time=20300.797..20351.856 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=861852 read=455390 written=11013
                     ->  Bitmap Heap Scan on lineitem  (cost=48068.08..1148540.41 rows=2266489 width=12) (actual time=2163.231..10088.591 rows=2244170 loops=1)
                           Recheck Cond: ((l_shipdate >= '1995-06-01'::date) AND (l_shipdate < '1995-08-30 00:00:00'::timestamp without time zone))
                           Heap Blocks: exact=652486
                           Buffers: shared hit=386559 read=272062 written=4686
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47501.46 rows=2266489 width=0) (actual time=1714.161..1714.161 rows=2246437 loops=1)
                                 Index Cond: ((l_shipdate >= '1995-06-01'::date) AND (l_shipdate < '1995-08-30 00:00:00'::timestamp without time zone))
                                 Buffers: shared hit=2 read=6133
 Planning time: 1.963 ms
 Execution time: 20394.217 ms
(38 rows)

drop view revenue11;
DROP VIEW
COMMIT;
COMMIT