BEGIN;
BEGIN
EXPLAIN
select
	ps_partkey,
	sum(ps_supplycost * ps_availqty) as value
from
	partsupp,
	supplier,
	nation
where
	ps_suppkey = s_suppkey
	and s_nationkey = n_nationkey
	and n_name = 'SAUDI ARABIA'
group by
	ps_partkey having
		sum(ps_supplycost * ps_availqty) > (
			select
				sum(ps_supplycost * ps_availqty) * 0.0000100000
			from
				partsupp,
				supplier,
				nation
			where
				ps_suppkey = s_suppkey
				and s_nationkey = n_nationkey
				and n_name = 'SAUDI ARABIA'
		)
order by
	value desc;
                                                                QUERY PLAN                                                                
------------------------------------------------------------------------------------------------------------------------------------------
 Sort  (cost=614384.02..615183.97 rows=319981 width=12)
   Sort Key: (sum((partsupp.ps_supplycost * (partsupp.ps_availqty)::double precision)))
   InitPlan 1 (returns $1)
     ->  Aggregate  (cost=288962.98..288962.99 rows=1 width=8)
           ->  Hash Join  (cost=2405.31..286563.12 rows=319981 width=8)
                 Hash Cond: (partsupp_1.ps_suppkey = supplier_1.s_suppkey)
                 ->  Seq Scan on partsupp partsupp_1  (cost=0.00..250958.00 rows=8000000 width=12)
                 ->  Hash  (cost=2355.31..2355.31 rows=4000 width=4)
                       ->  Nested Loop  (cost=43.00..2355.31 rows=4000 width=4)
                             ->  Seq Scan on nation nation_1  (cost=0.00..1.31 rows=1 width=4)
                                   Filter: (n_name = 'SAUDI ARABIA'::bpchar)
                             ->  Bitmap Heap Scan on supplier supplier_1  (cost=43.00..2314.00 rows=4000 width=8)
                                   Recheck Cond: (s_nationkey = nation_1.n_nationkey)
                                   ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_brin_idx  (cost=0.00..42.00 rows=4000 width=0)
                                         Index Cond: (s_nationkey = nation_1.n_nationkey)
   ->  HashAggregate  (cost=292162.79..296162.55 rows=319981 width=12)
         Group Key: partsupp.ps_partkey
         Filter: (sum((partsupp.ps_supplycost * (partsupp.ps_availqty)::double precision)) > $1)
         ->  Hash Join  (cost=2405.31..286563.12 rows=319981 width=12)
               Hash Cond: (partsupp.ps_suppkey = supplier.s_suppkey)
               ->  Seq Scan on partsupp  (cost=0.00..250958.00 rows=8000000 width=16)
               ->  Hash  (cost=2355.31..2355.31 rows=4000 width=4)
                     ->  Nested Loop  (cost=43.00..2355.31 rows=4000 width=4)
                           ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4)
                                 Filter: (n_name = 'SAUDI ARABIA'::bpchar)
                           ->  Bitmap Heap Scan on supplier  (cost=43.00..2314.00 rows=4000 width=8)
                                 Recheck Cond: (s_nationkey = nation.n_nationkey)
                                 ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_brin_idx  (cost=0.00..42.00 rows=4000 width=0)
                                       Index Cond: (s_nationkey = nation.n_nationkey)
 Planning time: 1.964 ms
(30 rows)

COMMIT;
COMMIT