BEGIN;
BEGIN
create or replace view revenue2 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1995-02-01'
		and l_shipdate < date'1995-02-01' + 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,
	revenue2
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue2
	)
order by
	s_suppkey;
                                                                                          QUERY PLAN                                                                                          
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=3720970.88..3726069.12 rows=3803 width=79) (actual time=48952.221..48952.224 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue2.supplier_no)
   Buffers: shared hit=1183203 read=962766 dirtied=1057 written=7472
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1851780.45..1851780.46 rows=1 width=8) (actual time=23436.638..23436.638 rows=1 loops=1)
           Buffers: shared hit=595172 read=476671 written=266
           ->  HashAggregate  (cost=1851694.88..1851732.91 rows=3803 width=12) (actual time=23390.285..23425.502 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=595172 read=476671 written=266
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=252810.03..1828783.51 rows=2291137 width=12) (actual time=119.924..21297.823 rows=2249966 loops=1)
                       Recheck Cond: (l_shipdate >= '1995-02-01'::date)
                       Rows Removed by Index Recheck: 26606629
                       Filter: (l_shipdate < '1995-05-02 00:00:00'::timestamp without time zone)
                       Rows Removed by Filter: 31189231
                       Heap Blocks: lossy=1071795
                       Buffers: shared hit=595172 read=476671 written=266
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..252237.25 rows=33611899 width=0) (actual time=119.153..119.153 rows=10728960 loops=1)
                             Index Cond: (l_shipdate >= '1995-02-01'::date)
                             Buffers: shared hit=13 read=35 written=1
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.026..25.543 rows=83967 loops=1)
         Buffers: shared hit=2283
   ->  Sort  (cost=1869190.12..1869199.63 rows=3803 width=12) (actual time=48918.423..48918.423 rows=1 loops=1)
         Sort Key: revenue2.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=1180920 read=962766 dirtied=1057 written=7472
         ->  Subquery Scan on revenue2  (cost=1868878.41..1868963.98 rows=3803 width=12) (actual time=48894.669..48918.405 rows=1 loops=1)
               Buffers: shared hit=1180920 read=962766 dirtied=1057 written=7472
               ->  HashAggregate  (cost=1868878.41..1868925.95 rows=3803 width=12) (actual time=48894.668..48918.403 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=1180920 read=962766 dirtied=1057 written=7472
                     ->  Bitmap Heap Scan on lineitem  (cost=252810.03..1828783.51 rows=2291137 width=12) (actual time=121.503..23302.219 rows=2249966 loops=1)
                           Recheck Cond: (l_shipdate >= '1995-02-01'::date)
                           Rows Removed by Index Recheck: 26606629
                           Filter: (l_shipdate < '1995-05-02 00:00:00'::timestamp without time zone)
                           Rows Removed by Filter: 31189231
                           Heap Blocks: lossy=1071795
                           Buffers: shared hit=585748 read=486095 dirtied=1057 written=7206
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..252237.25 rows=33611899 width=0) (actual time=120.728..120.728 rows=10718720 loops=1)
                                 Index Cond: (l_shipdate >= '1995-02-01'::date)
                                 Buffers: shared hit=13 read=35
 Planning time: 2.253 ms
 Execution time: 48954.861 ms
(44 rows)

drop view revenue2;
DROP VIEW
COMMIT;
COMMIT