BEGIN;
BEGIN
create or replace view revenue12 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1996-07-01'
		and l_shipdate < date'1996-07-01' + 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,
	revenue12
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue12
	)
order by
	s_suppkey;
                                                                                          QUERY PLAN                                                                                          
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Merge Join  (cost=3155988.02..3161085.79 rows=3771 width=79) (actual time=47337.934..47337.939 rows=1 loops=1)
   Merge Cond: (supplier.s_suppkey = revenue12.supplier_no)
   Buffers: shared hit=1814014 read=345161 written=134
   InitPlan 1 (returns $0)
     ->  Aggregate  (cost=1569304.06..1569304.07 rows=1 width=8) (actual time=21900.782..21900.782 rows=1 loops=1)
           Buffers: shared hit=895664 read=183644
           ->  HashAggregate  (cost=1569219.21..1569256.92 rows=3771 width=12) (actual time=21848.432..21889.780 rows=100000 loops=1)
                 Group Key: lineitem_1.l_suppkey
                 Buffers: shared hit=895664 read=183644
                 ->  Bitmap Heap Scan on lineitem lineitem_1  (cost=156174.93..1546345.09 rows=2287412 width=12) (actual time=120.116..19901.593 rows=2244123 loops=1)
                       Recheck Cond: (l_shipdate >= '1996-07-01'::date)
                       Rows Removed by Index Recheck: 39445695
                       Filter: (l_shipdate < '1996-09-29 00:00:00'::timestamp without time zone)
                       Rows Removed by Filter: 18295720
                       Heap Blocks: lossy=1079260
                       Buffers: shared hit=895664 read=183644
                       ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..155603.08 rows=20727344 width=0) (actual time=119.356..119.356 rows=10792960 loops=1)
                             Index Cond: (l_shipdate >= '1996-07-01'::date)
                             Buffers: shared hit=13 read=35
   ->  Index Scan using pk_supplier on supplier  (cost=0.29..4791.49 rows=100000 width=71) (actual time=0.032..6.343 rows=19933 loops=1)
         Buffers: shared hit=558 read=1
   ->  Sort  (cost=1586683.66..1586693.09 rows=3771 width=12) (actual time=47329.439..47329.440 rows=1 loops=1)
         Sort Key: revenue12.supplier_no
         Sort Method: quicksort  Memory: 25kB
         Buffers: shared hit=1813456 read=345160 written=134
         ->  Subquery Scan on revenue12  (cost=1586374.80..1586459.65 rows=3771 width=12) (actual time=47319.084..47329.417 rows=1 loops=1)
               Buffers: shared hit=1813456 read=345160 written=134
               ->  HashAggregate  (cost=1586374.80..1586421.94 rows=3771 width=12) (actual time=47319.084..47329.416 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=1813456 read=345160 written=134
                     ->  Bitmap Heap Scan on lineitem  (cost=156174.93..1546345.09 rows=2287412 width=12) (actual time=123.678..23226.634 rows=2244123 loops=1)
                           Recheck Cond: (l_shipdate >= '1996-07-01'::date)
                           Rows Removed by Index Recheck: 39445695
                           Filter: (l_shipdate < '1996-09-29 00:00:00'::timestamp without time zone)
                           Rows Removed by Filter: 18295720
                           Heap Blocks: lossy=1079260
                           Buffers: shared hit=917792 read=161516 written=134
                           ->  Bitmap Index Scan on lineitem_l_shipdate_l_suppkey_brin_idx  (cost=0.00..155603.08 rows=20727344 width=0) (actual time=122.901..122.901 rows=10792960 loops=1)
                                 Index Cond: (l_shipdate >= '1996-07-01'::date)
                                 Buffers: shared hit=48
 Planning time: 1.815 ms
 Execution time: 47340.402 ms
(44 rows)

drop view revenue12;
DROP VIEW
COMMIT;
COMMIT