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 = 'FRANCE'
group by
	s_name
order by
	numwait desc,
	s_name
LIMIT 100;
                                                                                               QUERY PLAN                                                                                               
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Limit  (cost=4828045.74..4828045.75 rows=1 width=26) (actual time=169307.115..169307.147 rows=100 loops=1)
   Buffers: shared hit=9427551 read=2048752 dirtied=2056 written=15050, temp read=161628 written=161622
   ->  Sort  (cost=4828045.74..4828045.75 rows=1 width=26) (actual time=169307.111..169307.125 rows=100 loops=1)
         Sort Key: (count(*)), supplier.s_name
         Sort Method: top-N heapsort  Memory: 32kB
         Buffers: shared hit=9427551 read=2048752 dirtied=2056 written=15050, temp read=161628 written=161622
         ->  HashAggregate  (cost=4828045.72..4828045.73 rows=1 width=26) (actual time=169299.132..169301.839 rows=3960 loops=1)
               Buffers: shared hit=9427543 read=2048752 dirtied=2056 written=15050, temp read=161628 written=161622
               ->  Nested Loop Anti Join  (cost=2667729.23..4828045.72 rows=1 width=26) (actual time=59118.977..169138.591 rows=39339 loops=1)
                     Buffers: shared hit=9427543 read=2048752 dirtied=2056 written=15050, temp read=161628 written=161622
                     ->  Nested Loop  (cost=2667729.23..4828030.70 rows=1 width=34) (actual time=59114.521..147298.661 rows=700767 loops=1)
                           Join Filter: (l1.l_orderkey = orders.o_orderkey)
                           Buffers: shared hit=6550166 read=1407469 dirtied=2054 written=5194, temp read=161628 written=161622
                           ->  Hash Semi Join  (cost=2667729.23..4828028.73 rows=1 width=38) (actual time=59114.427..126397.881 rows=1451071 loops=1)
                                 Hash Cond: (l1.l_orderkey = l2.l_orderkey)
                                 Join Filter: (l2.l_suppkey <> l1.l_suppkey)
                                 Rows Removed by Join Filter: 376730
                                 Buffers: shared hit=853648 read=1291795 dirtied=2054 written=1893, temp read=161628 written=161622
                                 ->  Hash Join  (cost=2441.58..1912031.27 rows=804602 width=34) (actual time=35.096..47768.864 rows=1504823 loops=1)
                                       Hash Cond: (l1.l_suppkey = supplier.s_suppkey)
                                       Buffers: shared hit=664233 read=409412 dirtied=1059 written=1056
                                       ->  Seq Scan on lineitem l1  (cost=0.00..1826112.25 rows=20115047 width=8) (actual time=0.048..32259.471 rows=37966560 loops=1)
                                             Filter: (l_receiptdate > l_commitdate)
                                             Rows Removed by Filter: 22079266
                                             Buffers: shared hit=662400 read=409398 dirtied=1059 written=1056
                                       ->  Hash  (cost=2391.58..2391.58 rows=4000 width=30) (actual time=34.934..34.934 rows=3961 loops=1)
                                             Buckets: 1024  Batches: 1  Memory Usage: 248kB
                                             Buffers: shared hit=1830 read=14
                                             ->  Nested Loop  (cost=79.26..2391.58 rows=4000 width=30) (actual time=2.000..32.925 rows=3961 loops=1)
                                                   Buffers: shared hit=1830 read=14
                                                   ->  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 = 'FRANCE'::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=1.982..31.558 rows=3961 loops=1)
                                                         Recheck Cond: (s_nationkey = nation.n_nationkey)
                                                         Buffers: shared hit=1829 read=14
                                                         ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_idx  (cost=0.00..78.26 rows=4000 width=0) (actual time=1.594..1.594 rows=3961 loops=1)
                                                               Index Cond: (s_nationkey = nation.n_nationkey)
                                                               Buffers: shared read=14
                                 ->  Hash  (cost=1675249.40..1675249.40 rows=60345140 width=8) (actual time=59052.642..59052.642 rows=60045826 loops=1)
                                       Buckets: 4194304  Batches: 4  Memory Usage: 586621kB
                                       Buffers: shared hit=189415 read=882383 dirtied=995 written=837, temp written=153905
                                       ->  Seq Scan on lineitem l2  (cost=0.00..1675249.40 rows=60345140 width=8) (actual time=0.050..28980.411 rows=60045826 loops=1)
                                             Buffers: shared hit=189415 read=882383 dirtied=995 written=837
                           ->  Index Scan using orders_o_orderkey_o_orderdate_idx on orders  (cost=0.00..1.96 rows=1 width=4) (actual time=0.013..0.013 rows=0 loops=1451071)
                                 Index Cond: (o_orderkey = l2.l_orderkey)
                                 Filter: (o_orderstatus = 'F'::bpchar)
                                 Rows Removed by Filter: 1
                                 Buffers: shared hit=5696518 read=115674 written=3301
                     ->  Index Scan using pk_lineitem on lineitem l3  (cost=0.00..7.48 rows=5 width=8) (actual time=0.030..0.030 rows=1 loops=700767)
                           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=2877377 read=641283 dirtied=2 written=9856
 Total runtime: 169308.928 ms
(56 rows)

COMMIT;
COMMIT