BEGIN;
BEGIN
create or replace view revenue10 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1996-04-01'
		and l_shipdate < date'1996-04-01' + 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,
	revenue10
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue10
	)
order by
	s_suppkey;
                                                                                          QUERY PLAN                                                                                          
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=3224751.84..3229849.56 rows=3768 width=79) (actual time=53825.856..53825.859 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue10.supplier_no)
   Buffers: shared hit=1412015 read=724288 dirtied=1 written=7200
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1603785.20..1603785.21 rows=1 width=8) (actual time=26411.789..26411.789 rows=1 loops=1)
           Buffers: shared hit=661799 read=405792 written=2922
           ->  HashAggregate  (cost=1603700.42..1603738.10 rows=3768 width=12) (actual time=26368.151..26400.750 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=661799 read=405792 written=2922
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=171658.05..1581090.66 rows=2260976 width=12) (actual time=119.266..24151.067 rows=2246239 loops=1)
                       Recheck Cond: (l_shipdate >= '1996-04-01'::date)
                       Rows Removed by Index Recheck: 37214180
                       Filter: (l_shipdate < '1996-06-30 00:00:00'::timestamp without time zone)
                       Rows Removed by Filter: 20585184
                       Heap Blocks: lossy=1067543
                       Buffers: shared hit=661799 read=405792 written=2922
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..171092.80 rows=22792641 width=0) (actual time=118.500..118.500 rows=10686720 loops=1)
                             Index Cond: (l_shipdate >= '1996-04-01'::date)
                             Buffers: shared hit=14 read=34 written=6
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.019..11.549 rows=40980 loops=1)
         Buffers: shared hit=1105 read=16
   ->  Sort  (cost=1620966.34..1620975.76 rows=3768 width=12) (actual time=53810.226..53810.227 rows=1 loops=1)
         Sort Key: revenue10.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=1410910 read=724272 dirtied=1 written=7200
         ->  Subquery Scan on revenue10  (cost=1620657.74..1620742.52 rows=3768 width=12) (actual time=53803.808..53810.206 rows=1 loops=1)
               Buffers: shared hit=1410910 read=724272 dirtied=1 written=7200
               ->  HashAggregate  (cost=1620657.74..1620704.84 rows=3768 width=12) (actual time=53803.808..53810.205 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=1410910 read=724272 dirtied=1 written=7200
                     ->  Bitmap Heap Scan on lineitem  (cost=171658.05..1581090.66 rows=2260976 width=12) (actual time=119.961..25171.326 rows=2246239 loops=1)
                           Recheck Cond: (l_shipdate >= '1996-04-01'::date)
                           Rows Removed by Index Recheck: 37214180
                           Filter: (l_shipdate < '1996-06-30 00:00:00'::timestamp without time zone)
                           Rows Removed by Filter: 20585184
                           Heap Blocks: lossy=1067543
                           Buffers: shared hit=749111 read=318480 dirtied=1 written=4278
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..171092.80 rows=22792641 width=0) (actual time=119.195..119.195 rows=10676480 loops=1)
                                 Index Cond: (l_shipdate >= '1996-04-01'::date)
                                 Buffers: shared hit=13 read=35
 Planning time: 2.026 ms
 Execution time: 53828.564 ms
(44 rows)

drop view revenue10;
DROP VIEW
COMMIT;
COMMIT