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#41'
	and p_type not like 'STANDARD PLATED%'
	and p_size in (47, 13, 24, 17, 26, 22, 29, 9)
	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=456112.83..456182.31 rows=27791 width=40) (actual time=43497.063..43499.413 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=184264 read=28189
   ->  GroupAggregate  (cost=446404.70..454061.53 rows=27791 width=40) (actual time=42180.767..43129.225 rows=27840 loops=1)
         Buffers: shared hit=184248 read=28189
         ->  Sort  (cost=446404.70..447880.48 rows=590314 width=40) (actual time=42180.631..42491.912 rows=1189828 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 142108kB
               Buffers: shared hit=184248 read=28189
               ->  Hash Join  (cost=57958.64..389819.78 rows=590314 width=40) (actual time=976.683..11236.452 rows=1189828 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=184248 read=28189
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.074..4093.329 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=145869 read=25146
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.100..0.992 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54244.72..54244.72 rows=296436 width=40) (actual time=975.201..975.201 rows=297624 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21528kB
                           Buffers: shared hit=38379 read=3043
                           ->  Bitmap Heap Scan on part  (cost=5733.22..54244.72 rows=296436 width=40) (actual time=138.375..795.505 rows=297624 loops=1)
                                 Recheck Cond: (p_size = ANY ('{47,13,24,17,26,22,29,9}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#41'::bpchar) AND ((p_type)::text !~~ 'STANDARD PLATED%'::text))
                                 Rows Removed by Filter: 23182
                                 Buffers: shared hit=38379 read=3043
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5659.11 rows=319580 width=0) (actual time=123.103..123.103 rows=320806 loops=1)
                                       Index Cond: (p_size = ANY ('{47,13,24,17,26,22,29,9}'::integer[]))
                                       Buffers: shared hit=120 read=784
 Total runtime: 43522.598 ms
(32 rows)

COMMIT;
COMMIT