BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
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 = 'ARGENTINA'
group by
	s_name
order by
	numwait desc,
	s_name
LIMIT 100;
                                                                                               QUERY PLAN                                                                                               
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Limit  (cost=4808875.58..4808875.58 rows=1 width=26) (actual time=391457.246..391457.274 rows=100 loops=1)
   Buffers: shared hit=10286263 read=1286200 dirtied=161 written=7565, temp read=161717 written=161711
   ->  Sort  (cost=4808875.58..4808875.58 rows=1 width=26) (actual time=391457.242..391457.252 rows=100 loops=1)
         Sort Key: (count(*)), supplier.s_name
         Sort Method: top-N heapsort  Memory: 32kB
         Buffers: shared hit=10286263 read=1286200 dirtied=161 written=7565, temp read=161717 written=161711
         ->  HashAggregate  (cost=4808875.56..4808875.57 rows=1 width=26) (actual time=391449.138..391451.928 rows=4007 loops=1)
               Buffers: shared hit=10286255 read=1286200 dirtied=161 written=7565, temp read=161717 written=161711
               ->  Nested Loop Anti Join  (cost=2657142.27..4808875.55 rows=1 width=26) (actual time=76204.340..391186.660 rows=39901 loops=1)
                     Buffers: shared hit=10286255 read=1286200 dirtied=161 written=7565, temp read=161717 written=161711
                     ->  Nested Loop  (cost=2657142.27..4808860.63 rows=1 width=34) (actual time=76163.802..279112.181 rows=708400 loops=1)
                           Join Filter: (l1.l_orderkey = orders.o_orderkey)
                           Buffers: shared hit=7338224 read=677074 written=218, temp read=161717 written=161711
                           ->  Hash Semi Join  (cost=2657142.27..4808858.67 rows=1 width=38) (actual time=76161.068..192392.594 rows=1467591 loops=1)
                                 Hash Cond: (l1.l_orderkey = l2.l_orderkey)
                                 Join Filter: (l2.l_suppkey <> l1.l_suppkey)
                                 Rows Removed by Join Filter: 380740
                                 Buffers: shared hit=1533039 read=603916 written=110, temp read=161717 written=161711
                                 ->  Hash Join  (cost=2441.58..1904447.17 rows=801267 width=34) (actual time=194.151..100341.760 rows=1521941 loops=1)
                                       Hash Cond: (l1.l_suppkey = supplier.s_suppkey)
                                       Buffers: shared hit=755286 read=314123 written=110
                                       ->  Seq Scan on lineitem l1  (cost=0.00..1818861.39 rows=20035077 width=8) (actual time=0.049..71557.587 rows=37966905 loops=1)
                                             Filter: (l_receiptdate > l_commitdate)
                                             Rows Removed by Filter: 22078698
                                             Buffers: shared hit=754858 read=312688 written=110
                                       ->  Hash  (cost=2391.58..2391.58 rows=4000 width=30) (actual time=194.034..194.034 rows=4007 loops=1)
                                             Buckets: 1024  Batches: 1  Memory Usage: 251kB
                                             Buffers: shared hit=425 read=1435
                                             ->  Nested Loop  (cost=79.26..2391.58 rows=4000 width=30) (actual time=6.558..190.879 rows=4007 loops=1)
                                                   Buffers: shared hit=425 read=1435
                                                   ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4) (actual time=0.013..0.022 rows=1 loops=1)
                                                         Filter: (n_name = 'ARGENTINA'::bpchar)
                                                         Rows Removed by Filter: 24
                                                         Buffers: shared hit=1
                                                   ->  Bitmap Heap Scan on supplier  (cost=79.26..2350.26 rows=4000 width=34) (actual time=6.534..188.991 rows=4007 loops=1)
                                                         Recheck Cond: (s_nationkey = nation.n_nationkey)
                                                         Buffers: shared hit=424 read=1435
                                                         ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_idx  (cost=0.00..78.26 rows=4000 width=0) (actual time=6.021..6.021 rows=4007 loops=1)
                                                               Index Cond: (s_nationkey = nation.n_nationkey)
                                                               Buffers: shared read=14
                                 ->  Hash  (cost=1668598.31..1668598.31 rows=60105231 width=8) (actual time=75945.978..75945.978 rows=60045603 loops=1)
                                       Buckets: 4194304  Batches: 4  Memory Usage: 586633kB
                                       Buffers: shared hit=777753 read=289793, temp written=153903
                                       ->  Seq Scan on lineitem l2  (cost=0.00..1668598.31 rows=60105231 width=8) (actual time=0.041..49942.015 rows=60045603 loops=1)
                                             Buffers: shared hit=777753 read=289793
                           ->  Index Scan using pk_orders on orders  (cost=0.00..1.94 rows=1 width=4) (actual time=0.057..0.058 rows=0 loops=1467591)
                                 Index Cond: (o_orderkey = l2.l_orderkey)
                                 Filter: (o_orderstatus = 'F'::bpchar)
                                 Rows Removed by Filter: 1
                                 Buffers: shared hit=5805185 read=73158 written=108
                     ->  Index Scan using pk_lineitem on lineitem l3  (cost=0.00..7.44 rows=5 width=8) (actual time=0.157..0.157 rows=1 loops=708400)
                           Index Cond: (l_orderkey = l1.l_orderkey)
                           Filter: ((l_receiptdate > l_commitdate) AND (l_suppkey <> l1.l_suppkey))
                           Rows Removed by Filter: 1
                           Buffers: shared hit=2948031 read=609126 dirtied=161 written=7347
 Total runtime: 391459.921 ms
(56 rows)

COMMIT;
COMMIT