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 = 'JORDAN'
group by
	s_name
order by
	numwait desc,
	s_name
LIMIT 100;
                                                                                               QUERY PLAN                                                                                               
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Limit  (cost=4818410.88..4818410.89 rows=1 width=26) (actual time=122535.025..122535.053 rows=100 loops=1)
   Buffers: shared hit=9786696 read=1613082 dirtied=93 written=1711, temp read=161562 written=161556
   ->  Sort  (cost=4818410.88..4818410.89 rows=1 width=26) (actual time=122535.022..122535.039 rows=100 loops=1)
         Sort Key: (count(*)), supplier.s_name
         Sort Method: top-N heapsort  Memory: 32kB
         Buffers: shared hit=9786696 read=1613082 dirtied=93 written=1711, temp read=161562 written=161556
         ->  HashAggregate  (cost=4818410.86..4818410.87 rows=1 width=26) (actual time=122526.816..122529.635 rows=3933 loops=1)
               Buffers: shared hit=9786688 read=1613082 dirtied=93 written=1711, temp read=161562 written=161556
               ->  Nested Loop Anti Join  (cost=2662420.59..4818410.86 rows=1 width=26) (actual time=44277.671..122403.682 rows=39107 loops=1)
                     Buffers: shared hit=9786688 read=1613082 dirtied=93 written=1711, temp read=161562 written=161556
                     ->  Nested Loop  (cost=2662420.59..4818395.88 rows=1 width=34) (actual time=44269.459..109001.085 rows=695036 loops=1)
                           Join Filter: (l1.l_orderkey = orders.o_orderkey)
                           Buffers: shared hit=6891130 read=1017390 dirtied=93 written=391, temp read=161562 written=161556
                           ->  Hash Semi Join  (cost=2662420.59..4818393.92 rows=1 width=38) (actual time=44269.031..96490.305 rows=1439856 loops=1)
                                 Hash Cond: (l1.l_orderkey = l2.l_orderkey)
                                 Join Filter: (l2.l_suppkey <> l1.l_suppkey)
                                 Rows Removed by Join Filter: 373682
                                 Buffers: shared hit=1148195 read=993012 dirtied=80 written=163, temp read=161562 written=161556
                                 ->  Hash Join  (cost=2441.58..1908220.51 rows=802132 width=34) (actual time=53.648..38532.925 rows=1493459 loops=1)
                                       Hash Cond: (l1.l_suppkey = supplier.s_suppkey)
                                       Buffers: shared hit=672645 read=398896 written=121
                                       ->  Seq Scan on lineitem l1  (cost=0.00..1822476.56 rows=20074948 width=8) (actual time=0.035..25616.912 rows=37966584 loops=1)
                                             Filter: (l_receiptdate > l_commitdate)
                                             Rows Removed by Filter: 22078719
                                             Buffers: shared hit=672640 read=397026 written=121
                                       ->  Hash  (cost=2391.58..2391.58 rows=4000 width=30) (actual time=53.488..53.488 rows=3933 loops=1)
                                             Buckets: 1024  Batches: 1  Memory Usage: 246kB
                                             Buffers: shared hit=2 read=1870
                                             ->  Nested Loop  (cost=79.26..2391.58 rows=4000 width=30) (actual time=1.717..50.891 rows=3933 loops=1)
                                                   Buffers: shared hit=2 read=1870
                                                   ->  Seq Scan on nation  (cost=0.00..1.31 rows=1 width=4) (actual time=0.011..0.017 rows=1 loops=1)
                                                         Filter: (n_name = 'JORDAN'::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=1.700..49.132 rows=3933 loops=1)
                                                         Recheck Cond: (s_nationkey = nation.n_nationkey)
                                                         Buffers: shared hit=1 read=1870
                                                         ->  Bitmap Index Scan on supplier_s_nationkey_s_suppkey_idx  (cost=0.00..78.26 rows=4000 width=0) (actual time=1.326..1.326 rows=3933 loops=1)
                                                               Index Cond: (s_nationkey = nation.n_nationkey)
                                                               Buffers: shared read=14
                                 ->  Hash  (cost=1671914.45..1671914.45 rows=60224845 width=8) (actual time=44181.641..44181.641 rows=60045303 loops=1)
                                       Buckets: 4194304  Batches: 4  Memory Usage: 586635kB
                                       Buffers: shared hit=475550 read=594116 dirtied=80 written=42, temp written=153901
                                       ->  Seq Scan on lineitem l2  (cost=0.00..1671914.45 rows=60224845 width=8) (actual time=0.049..21936.007 rows=60045303 loops=1)
                                             Buffers: shared hit=475550 read=594116 dirtied=80 written=42
                           ->  Index Scan using pk_orders on orders  (cost=0.00..1.95 rows=1 width=4) (actual time=0.008..0.008 rows=0 loops=1439856)
                                 Index Cond: (o_orderkey = l2.l_orderkey)
                                 Filter: (o_orderstatus = 'F'::bpchar)
                                 Rows Removed by Filter: 1
                                 Buffers: shared hit=5742935 read=24378 dirtied=13 written=228
                     ->  Index Scan using lineitem_l_orderkey_idx on lineitem l3  (cost=0.00..7.46 rows=5 width=8) (actual time=0.019..0.019 rows=1 loops=695036)
                           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=2895558 read=595692 written=1320
 Total runtime: 122536.919 ms
(56 rows)

COMMIT;
COMMIT