BEGIN;
BEGIN
EXPLAIN
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#34'
	and p_type not like 'LARGE BRUSHED%'
	and p_size in (50, 5, 44, 36, 12, 40, 41, 34)
	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=319060.02..319444.52 rows=153799 width=44)
   Sort Key: (count(DISTINCT partsupp.ps_suppkey)) DESC, part.p_brand, part.p_type, part.p_size
   ->  GroupAggregate  (cost=224343.51..301077.71 rows=153799 width=44)
         Group Key: part.p_brand, part.p_type, part.p_size
         ->  Gather Merge  (cost=224343.51..293593.78 rows=594594 width=40)
               Workers Planned: 2
               ->  Sort  (cost=223343.49..223962.86 rows=247748 width=40)
                     Sort Key: part.p_brand, part.p_type, part.p_size
                     ->  Parallel Hash Join  (cost=15212.52..194371.11 rows=247748 width=40)
                           Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                           ->  Parallel Index Only Scan using pk_partsupp on partsupp  (cost=4.75..160795.46 rows=1666994 width=8)
                                 Filter: (NOT (hashed SubPlan 1))
                                 SubPlan 1
                                   ->  Index Only Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.14..4.29 rows=10 width=4)
                           ->  Parallel Hash  (cost=12691.62..12691.62 rows=123852 width=40)
                                 ->  Parallel Index Only Scan using part_ios_test1 on part  (cost=0.43..12691.62 rows=123852 width=40)
                                       Index Cond: (p_size = ANY ('{50,5,44,36,12,40,41,34}'::integer[]))
                                       Filter: ((p_brand <> 'Brand#34'::bpchar) AND ((p_type)::text !~~ 'LARGE BRUSHED%'::text))
(18 rows)

COMMIT;
COMMIT