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 >= '1997-06-01'
		and l_shipdate < date'1997-06-01' + 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=2357326.06..2362423.61 rows=3739 width=79) (actual time=29074.466..29074.469 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue11.supplier_no)
   Buffers: shared hit=557422 read=761730 written=33351
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1170146.11..1170146.12 rows=1 width=8) (actual time=10278.970..10278.970 rows=1 loops=1)
           Buffers: shared hit=541772 read=117214 written=6938
           ->  HashAggregate  (cost=1170061.98..1170099.37 rows=3739 width=12) (actual time=10214.874..10268.025 rows=100000 loops=1)
                 Buffers: shared hit=541772 read=117214 written=6938
                 ->  Bitmap Heap Scan on lineitem  (cost=47547.16..1147646.05 rows=2241593 width=12) (actual time=1701.508..6925.789 rows=2243815 loops=1)
                       Recheck Cond: ((l_shipdate >= '1997-06-01'::date) AND (l_shipdate < '1997-08-30 00:00:00'::timestamp without time zone))
                       Buffers: shared hit=541772 read=117214 written=6938
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..46986.76 rows=2241593 width=0) (actual time=1371.876..1371.876 rows=2248378 loops=1)
                             Index Cond: ((l_shipdate >= '1997-06-01'::date) AND (l_shipdate < '1997-08-30 00:00:00'::timestamp without time zone))
                             Buffers: shared hit=842 read=5292 written=239
   ->  Index Scan using pk_supplier on supplier  (cost=0.00..4791.46 rows=100000 width=71) (actual time=0.021..16.206 rows=42993 loops=1)
         Buffers: shared hit=1179
   ->  Sort  (cost=1187179.94..1187189.29 rows=3739 width=12) (actual time=29053.758..29053.758 rows=1 loops=1)
         Sort Key: revenue11.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=556243 read=761730 written=33351
         ->  Subquery Scan on revenue11  (cost=1186873.93..1186958.06 rows=3739 width=12) (actual time=29041.517..29053.728 rows=1 loops=1)
               Buffers: shared hit=556243 read=761730 written=33351
               ->  HashAggregate  (cost=1186873.93..1186920.67 rows=3739 width=12) (actual time=29041.515..29053.724 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=556243 read=761730 written=33351
                     ->  Bitmap Heap Scan on lineitem  (cost=47547.16..1147646.05 rows=2241593 width=12) (actual time=2235.456..15180.566 rows=2243815 loops=1)
                           Recheck Cond: ((l_shipdate >= '1997-06-01'::date) AND (l_shipdate < '1997-08-30 00:00:00'::timestamp without time zone))
                           Buffers: shared hit=14471 read=644516 written=26413
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..46986.76 rows=2241593 width=0) (actual time=1876.592..1876.592 rows=2246034 loops=1)
                                 Index Cond: ((l_shipdate >= '1997-06-01'::date) AND (l_shipdate < '1997-08-30 00:00:00'::timestamp without time zone))
                                 Buffers: shared hit=3 read=6132
 Total runtime: 29085.064 ms
(33 rows)

drop view revenue11;
DROP VIEW
COMMIT;
COMMIT