EXPLAIN select s_name, count(*) as numwait from supplier, lineitem l1, orders, nation where s_suppkey = l1.l_suppkey and o_orderkey = l1.l_orderkey and o_orderstatus = 'F' and l1.l_receiptdate > l1.l_commitdate and exists ( select * from lineitem l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey ) and not exists ( select * from lineitem l3 where l3.l_orderkey = l1.l_orderkey and l3.l_suppkey <> l1.l_suppkey and l3.l_receiptdate > l3.l_commitdate ) and s_nationkey = n_nationkey and n_name = 'FRANCE' group by s_name order by numwait desc, s_name LIMIT 100;
                                                              QUERY PLAN                                                              
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 Limit  (cost=4798923.80..4798923.80 rows=1 width=26)
   ->  Sort  (cost=4798923.80..4798923.80 rows=1 width=26)
         Sort Key: (count(*)), supplier.s_name
         ->  HashAggregate  (cost=4798923.78..4798923.79 rows=1 width=26)
               Group Key: supplier.s_name
               ->  Nested Loop Anti Join  (cost=2651855.37..4798923.77 rows=1 width=26)
                     ->  Nested Loop  (cost=2651854.80..4798889.36 rows=1 width=34)
                           ->  Hash Semi Join  (cost=2651854.37..4798882.09 rows=1 width=38)
                                 Hash Cond: (l1.l_orderkey = l2.l_orderkey)
                                 Join Filter: (l2.l_suppkey <> l1.l_suppkey)
                                 ->  Hash Join  (cost=2442.61..1900515.21 rows=785708 width=34)
                                       Hash Cond: (l1.l_suppkey = supplier.s_suppkey)
                                       ->  Seq Scan on lineitem l1  (cost=0.00..1815233.20 rows=19995285 width=8)
                                             Filter: (l_receiptdate > l_commitdate)
                                       ->  Hash  (cost=2392.61..2392.61 rows=4000 width=30)
                                             ->  Nested Loop  (cost=79.29..2392.61 rows=4000 width=30)
                                                   ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4)
                                                         Filter: (n_name = 'FRANCE'::bpchar)
                                                   ->  Bitmap Heap Scan on supplier  (cost=79.29..2351.30 rows=4000 width=34)
                                                         Recheck Cond: (s_nationkey = nation.n_nationkey)
                                                         ->  Bitmap Index Scan on i_s_nationkey  (cost=0.00..78.29 rows=4000 width=0)
                                                               Index Cond: (s_nationkey = nation.n_nationkey)
                                 ->  Hash  (cost=1665268.56..1665268.56 rows=59985856 width=8)
                                       ->  Seq Scan on lineitem l2  (cost=0.00..1665268.56 rows=59985856 width=8)
                           ->  Index Scan using orders_pkey on orders  (cost=0.43..7.26 rows=1 width=4)
                                 Index Cond: (o_orderkey = l1.l_orderkey)
                                 Filter: (o_orderstatus = 'F'::bpchar)
                     ->  Index Scan using i_l_orderkey on lineitem l3  (cost=0.56..17.26 rows=45 width=8)
                           Index Cond: (l_orderkey = l1.l_orderkey)
                           Filter: ((l_receiptdate > l_commitdate) AND (l_suppkey <> l1.l_suppkey))
(30 rows)