BEGIN;
BEGIN
EXPLAIN (ANALYZE, BUFFERS)
select
	p_brand,
	p_type,
	p_size,
	count(distinct ps_suppkey) as supplier_cnt
from
	partsupp,
	part
where
	p_partkey = ps_partkey
	and p_brand <> 'Brand#42'
	and p_type not like 'STANDARD ANODIZED%'
	and p_size in (5, 2, 46, 14, 11, 13, 29, 30)
	and ps_suppkey not in (
		select
			s_suppkey
		from
			supplier
		where
			s_comment like '%Customer%Complaints%'
	)
group by
	p_brand,
	p_type,
	p_size
order by
	supplier_cnt desc,
	p_brand,
	p_type,
	p_size;
                                                                               QUERY PLAN                                                                               
------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 Sort  (cost=456027.68..456097.14 rows=27785 width=40) (actual time=48935.607..48939.067 rows=27840 loops=1)
   Sort Key: (count(DISTINCT partsupp.ps_suppkey)), part.p_brand, part.p_type, part.p_size
   Sort Method: quicksort  Memory: 2968kB
   Buffers: shared hit=85988 read=126458 written=887
   ->  GroupAggregate  (cost=446326.92..453976.87 rows=27785 width=40) (actual time=47604.048..48553.711 rows=27840 loops=1)
         Buffers: shared hit=85972 read=126458 written=887
         ->  Sort  (cost=446326.92..447801.34 rows=589768 width=40) (actual time=47603.930..47908.637 rows=1185568 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141775kB
               Buffers: shared hit=85972 read=126458 written=887
               ->  Hash Join  (cost=57942.60..389798.28 rows=589768 width=40) (actual time=1601.293..15720.806 rows=1185568 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=85972 read=126458 written=887
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.349..6846.847 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=78095 read=92920
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.089..1.243 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54229.48..54229.48 rows=296371 width=40) (actual time=1599.584..1599.584 rows=296563 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21443kB
                           Buffers: shared hit=7877 read=33538 written=887
                           ->  Bitmap Heap Scan on part  (cost=5729.66..54229.48 rows=296371 width=40) (actual time=95.123..1389.766 rows=296563 loops=1)
                                 Recheck Cond: (p_size = ANY ('{5,2,46,14,11,13,29,30}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#42'::bpchar) AND ((p_type)::text !~~ 'STANDARD ANODIZED%'::text))
                                 Rows Removed by Filter: 22746
                                 Buffers: shared hit=7877 read=33538 written=887
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5655.57 rows=319113 width=0) (actual time=84.170..84.170 rows=319309 loops=1)
                                       Index Cond: (p_size = ANY ('{5,2,46,14,11,13,29,30}'::integer[]))
                                       Buffers: shared hit=10 read=886
 Total runtime: 48960.466 ms
(32 rows)

COMMIT;
COMMIT