BEGIN;
BEGIN
EXPLAIN
select
	s_name,
	s_address
from
	supplier,
	nation
where
	s_suppkey in (
		select
			ps_suppkey
		from
			partsupp
		where
			ps_partkey in (
				select
					p_partkey
				from
					part
				where
					p_name like 'burlywood%'
			)
			and ps_availqty > (
				select
					0.5 * sum(l_quantity)
				from
					lineitem
				where
					l_partkey = ps_partkey
					and l_suppkey = ps_suppkey
					and l_shipdate >= '1993-01-01'
					and l_shipdate < cast(date '1993-01-01' + interval '1 year' as date)
			)
	)
	and s_nationkey = n_nationkey
	and n_name = 'BRAZIL'
order by
	s_name;
                                                                                                         QUERY PLAN                                                                                                         
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Remote Subquery Scan on all (datanode_1_1,datanode_2_1,datanode_3_1,datanode_4_1,datanode_5_1,datanode_6_1,datanode_7_1,datanode_8_1)  (cost=24919757.41..24919786.21 rows=11520 width=51)
   ->  Sort  (cost=24919757.41..24919786.21 rows=11520 width=51)
         Sort Key: supplier.s_name
         ->  Hash Semi Join  (cost=24895581.75..24918980.28 rows=11520 width=51)
               Hash Cond: (supplier.s_suppkey = partsupp.ps_suppkey)
               ->  Remote Subquery Scan on all (datanode_1_1)  (cost=850.17..26372.35 rows=40000 width=55)
                     Distribute results by H: s_suppkey
                     ->  Nested Loop  (cost=750.17..23872.35 rows=40000 width=55)
                           ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4)
                                 Filter: (n_name = 'BRAZIL'::bpchar)
                           ->  Bitmap Heap Scan on supplier  (cost=750.17..23471.03 rows=40000 width=59)
                                 Recheck Cond: (s_nationkey = nation.n_nationkey)
                                 ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_idx  (cost=0.00..740.17 rows=40000 width=0)
                                       Index Cond: (s_nationkey = nation.n_nationkey)
               ->  Hash  (cost=24893923.60..24893923.60 rows=287992 width=4)
                     ->  Remote Subquery Scan on all (datanode_1_1,datanode_2_1,datanode_3_1,datanode_4_1,datanode_5_1,datanode_6_1,datanode_7_1,datanode_8_1)  (cost=100.19..24893923.60 rows=287992 width=4)
                           Distribute results by H: ps_suppkey
                           ->  Nested Loop  (cost=0.19..24891231.67 rows=287992 width=4)
                                 ->  Seq Scan on part  (cost=0.00..655241.12 rows=216025 width=4)
                                       Filter: ((p_name)::text ~~ 'burlywood%'::text)
                                 ->  Index Scan using pk_partsupp on partsupp  (cost=0.19..112.18 rows=1 width=8)
                                       Index Cond: (ps_partkey = part.p_partkey)
                                       Filter: ((ps_availqty)::double precision > (SubPlan 1))
                                       SubPlan 1
                                         ->  Aggregate  (cost=24.33..24.34 rows=1 width=4)
                                               ->  Remote Subquery Scan on all (datanode_1_1,datanode_2_1,datanode_3_1,datanode_4_1,datanode_5_1,datanode_6_1,datanode_7_1,datanode_8_1)  (cost=0.20..24.32 rows=1 width=4)
                                                     ->  Aggregate  (cost=0.20..24.32 rows=1 width=4)
                                                           ->  Index Scan using lineitem_l_partkey_l_quantity_l_shipmode_idx on lineitem  (cost=0.20..24.32 rows=1 width=4)
                                                                 Index Cond: (l_partkey = partsupp.ps_partkey)
                                                                 Filter: ((l_shipdate >= '1993-01-01'::date) AND (l_shipdate < '1994-01-01'::date) AND (l_suppkey = partsupp.ps_suppkey))
(30 rows)

COMMIT;
COMMIT