BEGIN;
BEGIN
create or replace view revenue13 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1996-09-01'
		and l_shipdate < date'1996-09-01' + 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,
	revenue13
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue13
	)
order by
	s_suppkey;
                                                                                       QUERY PLAN                                                                                        
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=2387760.01..2392857.91 rows=3780 width=79) (actual time=22851.244..22851.250 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue13.supplier_no)
   Buffers: shared hit=670584 read=663918 written=911
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1185156.40..1185156.41 rows=1 width=8) (actual time=11095.861..11095.861 rows=1 loops=1)
           Buffers: shared hit=352859 read=313465 written=461
           ->  HashAggregate  (cost=1185071.35..1185109.15 rows=3780 width=12) (actual time=11053.855..11085.711 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=352859 read=313465 written=461
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=48401.70..1162108.29 rows=2296306 width=12) (actual time=2981.050..9236.280 rows=2248899 loops=1)
                       Recheck Cond: ((l_shipdate >= '1996-09-01'::date) AND (l_shipdate < '1996-11-30 00:00:00'::timestamp without time zone))
                       Heap Blocks: exact=660181
                       Buffers: shared hit=352859 read=313465 written=461
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47827.62 rows=2296306 width=0) (actual time=2642.005..2642.005 rows=2276092 loops=1)
                             Index Cond: ((l_shipdate >= '1996-09-01'::date) AND (l_shipdate < '1996-11-30 00:00:00'::timestamp without time zone))
                             Buffers: shared read=6143 written=9
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.039..27.270 rows=67992 loops=1)
         Buffers: shared hit=1854
   ->  Sort  (cost=1202603.31..1202612.76 rows=3780 width=12) (actual time=22817.179..22817.182 rows=1 loops=1)
         Sort Key: revenue13.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=668730 read=663918 written=911
         ->  Subquery Scan on revenue13  (cost=1202293.65..1202378.70 rows=3780 width=12) (actual time=22797.709..22817.150 rows=1 loops=1)
               Buffers: shared hit=668730 read=663918 written=911
               ->  HashAggregate  (cost=1202293.65..1202340.90 rows=3780 width=12) (actual time=22797.707..22817.146 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=668730 read=663918 written=911
                     ->  Bitmap Heap Scan on lineitem  (cost=48401.70..1162108.29 rows=2296306 width=12) (actual time=1724.246..9749.993 rows=2248899 loops=1)
                           Recheck Cond: ((l_shipdate >= '1996-09-01'::date) AND (l_shipdate < '1996-11-30 00:00:00'::timestamp without time zone))
                           Heap Blocks: exact=660181
                           Buffers: shared hit=315871 read=350453 written=450
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47827.62 rows=2296306 width=0) (actual time=1366.434..1366.434 rows=2276092 loops=1)
                                 Index Cond: ((l_shipdate >= '1996-09-01'::date) AND (l_shipdate < '1996-11-30 00:00:00'::timestamp without time zone))
                                 Buffers: shared read=6143 written=2
 Planning time: 3.229 ms
 Execution time: 22862.548 ms
(38 rows)

drop view revenue13;
DROP VIEW
COMMIT;
COMMIT