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#24'
	and p_type not like 'PROMO PLATED%'
	and p_size in (48, 20, 11, 29, 25, 46, 33, 26)
	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=457191.72..457261.75 rows=28014 width=40) (actual time=67725.845..67728.473 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=48542 read=163905
   ->  GroupAggregate  (cost=447372.03..455122.35 rows=28014 width=40) (actual time=66360.182..67326.811 rows=27840 loops=1)
         Buffers: shared hit=48526 read=163905
         ->  Sort  (cost=447372.03..448866.07 rows=597614 width=40) (actual time=66360.002..66658.642 rows=1188369 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141994kB
               Buffers: shared hit=48526 read=163905
               ->  Hash Join  (cost=58100.25..390034.39 rows=597614 width=40) (actual time=3601.285..31284.012 rows=1188369 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=48526 read=163905
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.282..18503.223 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=26789 read=144226
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.266..1.185 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54356.68..54356.68 rows=298807 width=40) (actual time=3599.572..3599.572 rows=297256 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21542kB
                           Buffers: shared hit=21737 read=19679
                           ->  Bitmap Heap Scan on part  (cost=5781.01..54356.68 rows=298807 width=40) (actual time=278.023..3339.706 rows=297256 loops=1)
                                 Recheck Cond: (p_size = ANY ('{48,20,11,29,25,46,33,26}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#24'::bpchar) AND ((p_type)::text !~~ 'PROMO PLATED%'::text))
                                 Rows Removed by Filter: 22910
                                 Buffers: shared hit=21737 read=19679
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5706.31 rows=322147 width=0) (actual time=264.805..264.805 rows=320166 loops=1)
                                       Index Cond: (p_size = ANY ('{48,20,11,29,25,46,33,26}'::integer[]))
                                       Buffers: shared hit=9 read=891
 Total runtime: 67759.342 ms
(32 rows)

COMMIT;
COMMIT