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#55'
	and p_type not like 'SMALL PLATED%'
	and p_size in (13, 4, 31, 22, 12, 46, 18, 5)
	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=455891.63..455960.94 rows=27726 width=40) (actual time=35113.444..35115.135 rows=27838 loops=1)
   Sort Key: (count(DISTINCT partsupp.ps_suppkey)), part.p_brand, part.p_type, part.p_size
   Sort Method: quicksort  Memory: 2967kB
   Buffers: shared hit=85 read=212359
   ->  GroupAggregate  (cost=446206.66..453845.59 rows=27726 width=40) (actual time=34166.265..34782.420 rows=27838 loops=1)
         Buffers: shared hit=69 read=212359
         ->  Sort  (cost=446206.66..447678.99 rows=588934 width=40) (actual time=34166.163..34297.430 rows=1185486 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141769kB
               Buffers: shared hit=69 read=212359
               ->  Hash Join  (cost=57916.63..389763.97 rows=588934 width=40) (actual time=871.375..7322.924 rows=1185486 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=69 read=212359
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.346..3712.655 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=56 read=170959
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.087..1.246 rows=56 loops=1)
                                   Buffers: shared hit=54 read=3
                     ->  Hash  (cost=54211.36..54211.36 rows=295743 width=40) (actual time=869.688..869.688 rows=296545 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21490kB
                           Buffers: shared hit=13 read=41400
                           ->  Bitmap Heap Scan on part  (cost=5725.36..54211.36 rows=295743 width=40) (actual time=86.994..765.621 rows=296545 loops=1)
                                 Recheck Cond: (p_size = ANY ('{13,4,31,22,12,46,18,5}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#55'::bpchar) AND ((p_type)::text !~~ 'SMALL PLATED%'::text))
                                 Rows Removed by Filter: 22758
                                 Buffers: shared hit=13 read=41400
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5651.43 rows=318560 width=0) (actual time=77.283..77.283 rows=319303 loops=1)
                                       Index Cond: (p_size = ANY ('{13,4,31,22,12,46,18,5}'::integer[]))
                                       Buffers: shared hit=11 read=886
 Total runtime: 35127.418 ms
(32 rows)

COMMIT;
COMMIT