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 = 'INDONESIA'
group by
	s_name
order by
	numwait desc,
	s_name
LIMIT 100;
                                                                                               QUERY PLAN                                                                                               
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Limit  (cost=4813639.70..4813639.71 rows=1 width=26) (actual time=140169.751..140169.798 rows=100 loops=1)
   Buffers: shared hit=9769590 read=1718667 dirtied=3 written=28107, temp read=161643 written=161637
   ->  Sort  (cost=4813639.70..4813639.71 rows=1 width=26) (actual time=140169.747..140169.764 rows=100 loops=1)
         Sort Key: (count(*)), supplier.s_name
         Sort Method: top-N heapsort  Memory: 32kB
         Buffers: shared hit=9769590 read=1718667 dirtied=3 written=28107, temp read=161643 written=161637
         ->  HashAggregate  (cost=4813639.68..4813639.69 rows=1 width=26) (actual time=140154.950..140160.060 rows=3974 loops=1)
               Buffers: shared hit=9769582 read=1718667 dirtied=3 written=28107, temp read=161643 written=161637
               ->  Nested Loop Anti Join  (cost=2659787.33..4813639.68 rows=1 width=26) (actual time=47948.209..140008.264 rows=39367 loops=1)
                     Buffers: shared hit=9769582 read=1718667 dirtied=3 written=28107, temp read=161643 written=161637
                     ->  Nested Loop  (cost=2659787.33..4813624.73 rows=1 width=34) (actual time=47928.247..122350.062 rows=702169 loops=1)
                           Join Filter: (l1.l_orderkey = orders.o_orderkey)
                           Buffers: shared hit=6924786 read=1036496 dirtied=3 written=546, temp read=161643 written=161637
                           ->  Hash Semi Join  (cost=2659787.33..4813622.77 rows=1 width=38) (actual time=47927.801..106227.174 rows=1453593 loops=1)
                                 Hash Cond: (l1.l_orderkey = l2.l_orderkey)
                                 Join Filter: (l2.l_suppkey <> l1.l_suppkey)
                                 Rows Removed by Join Filter: 376747
                                 Buffers: shared hit=1167598 read=971476 dirtied=3 written=6, temp read=161643 written=161637
                                 ->  Hash Join  (cost=2441.58..1906332.53 rows=801161 width=34) (actual time=36.214..44703.840 rows=1507371 loops=1)
                                       Hash Cond: (l1.l_suppkey = supplier.s_suppkey)
                                       Buffers: shared hit=649465 read=421001 written=1
                                       ->  Seq Scan on lineitem l1  (cost=0.00..1820672.86 rows=20055063 width=8) (actual time=0.057..29533.503 rows=37966418 loops=1)
                                             Filter: (l_receiptdate > l_commitdate)
                                             Rows Removed by Filter: 22078961
                                             Buffers: shared hit=647621 read=420987 written=1
                                       ->  Hash  (cost=2391.58..2391.58 rows=4000 width=30) (actual time=36.090..36.090 rows=3974 loops=1)
                                             Buckets: 1024  Batches: 1  Memory Usage: 249kB
                                             Buffers: shared hit=1841 read=14
                                             ->  Nested Loop  (cost=79.26..2391.58 rows=4000 width=30) (actual time=1.888..34.046 rows=3974 loops=1)
                                                   Buffers: shared hit=1841 read=14
                                                   ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4) (actual time=0.011..0.021 rows=1 loops=1)
                                                         Filter: (n_name = 'INDONESIA'::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=1.869..32.577 rows=3974 loops=1)
                                                         Recheck Cond: (s_nationkey = nation.n_nationkey)
                                                         Buffers: shared hit=1840 read=14
                                                         ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_idx  (cost=0.00..78.26 rows=4000 width=0) (actual time=1.510..1.510 rows=3974 loops=1)
                                                               Index Cond: (s_nationkey = nation.n_nationkey)
                                                               Buffers: shared read=14
                                 ->  Hash  (cost=1670259.89..1670259.89 rows=60165189 width=8) (actual time=47864.224..47864.224 rows=60045379 loops=1)
                                       Buckets: 4194304  Batches: 4  Memory Usage: 586617kB
                                       Buffers: shared hit=518133 read=550475 dirtied=3 written=5, temp written=153903
                                       ->  Seq Scan on lineitem l2  (cost=0.00..1670259.89 rows=60165189 width=8) (actual time=0.020..24629.869 rows=60045379 loops=1)
                                             Buffers: shared hit=518133 read=550475 dirtied=3 written=5
                           ->  Index Scan using orders_o_orderkey_o_orderdate_idx on orders  (cost=0.00..1.95 rows=1 width=4) (actual time=0.010..0.010 rows=0 loops=1453593)
                                 Index Cond: (o_orderkey = l2.l_orderkey)
                                 Filter: (o_orderstatus = 'F'::bpchar)
                                 Rows Removed by Filter: 1
                                 Buffers: shared hit=5757188 read=65020 written=540
                     ->  Index Scan using lineitem_l_orderkey_idx on lineitem l3  (cost=0.00..7.45 rows=5 width=8) (actual time=0.024..0.024 rows=1 loops=702169)
                           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=2844796 read=682171 written=27561
 Total runtime: 140173.417 ms
(56 rows)

COMMIT;
COMMIT