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 >= '1993-11-01'
		and l_shipdate < date'1993-11-01' + 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=2388560.17..2393657.32 rows=3712 width=79) (actual time=46234.893..46234.896 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue13.supplier_no)
   Buffers: shared hit=477977 read=856918 written=5
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1185684.88..1185684.89 rows=1 width=8) (actual time=22709.358..22709.358 rows=1 loops=1)
           Buffers: shared hit=268454 read=398882 written=1
           ->  HashAggregate  (cost=1185601.36..1185638.48 rows=3712 width=12) (actual time=22605.965..22691.785 rows=100000 loops=1)
                 Buffers: shared hit=268454 read=398882 written=1
                 ->  Bitmap Heap Scan on lineitem  (cost=47651.61..1162974.26 rows=2262710 width=12) (actual time=2856.637..18138.942 rows=2244680 loops=1)
                       Recheck Cond: ((l_shipdate >= '1993-11-01'::date) AND (l_shipdate < '1994-01-30 00:00:00'::timestamp without time zone))
                       Buffers: shared hit=268454 read=398882 written=1
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47085.93 rows=2262710 width=0) (actual time=2374.329..2374.329 rows=2275376 loops=1)
                             Index Cond: ((l_shipdate >= '1993-11-01'::date) AND (l_shipdate < '1994-01-30 00:00:00'::timestamp without time zone))
                             Buffers: shared hit=1 read=6128 written=1
   ->  Index Scan using pk_supplier on supplier  (cost=0.00..4791.46 rows=100000 width=71) (actual time=0.075..4.051 rows=7917 loops=1)
         Buffers: shared hit=221 read=1
   ->  Sort  (cost=1202875.29..1202884.57 rows=3712 width=12) (actual time=46229.998..46229.999 rows=1 loops=1)
         Sort Key: revenue13.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=477756 read=856917 written=5
         ->  Subquery Scan on revenue13  (cost=1202571.68..1202655.20 rows=3712 width=12) (actual time=46224.711..46229.948 rows=1 loops=1)
               Buffers: shared hit=477756 read=856917 written=5
               ->  HashAggregate  (cost=1202571.68..1202618.08 rows=3712 width=12) (actual time=46224.709..46229.941 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=477756 read=856917 written=5
                     ->  Bitmap Heap Scan on lineitem  (cost=47651.61..1162974.26 rows=2262710 width=12) (actual time=2480.945..19041.854 rows=2244680 loops=1)
                           Recheck Cond: ((l_shipdate >= '1993-11-01'::date) AND (l_shipdate < '1994-01-30 00:00:00'::timestamp without time zone))
                           Buffers: shared hit=209302 read=458035 written=4
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey__idx  (cost=0.00..47085.93 rows=2262710 width=0) (actual time=2054.666..2054.666 rows=2275376 loops=1)
                                 Index Cond: ((l_shipdate >= '1993-11-01'::date) AND (l_shipdate < '1994-01-30 00:00:00'::timestamp without time zone))
                                 Buffers: shared read=6130
 Total runtime: 46250.996 ms
(33 rows)

drop view revenue13;
DROP VIEW
COMMIT;
COMMIT