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#22'
	and p_type not like 'PROMO BRUSHED%'
	and p_size in (13, 44, 12, 34, 6, 3, 4, 11)
	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=415845.96..415915.25 rows=27716 width=40) (actual time=10801.690..10804.096 rows=27837 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=35 read=212409 written=28
   ->  GroupAggregate  (cost=406167.19..413800.73 rows=27716 width=40) (actual time=9842.598..10750.623 rows=27837 loops=1)
         Group Key: part.p_brand, part.p_type, part.p_size
         Buffers: shared hit=21 read=212409 written=28
         ->  Sort  (cost=406167.19..407638.46 rows=588511 width=40) (actual time=9842.501..10131.401 rows=1186085 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141815kB
               Buffers: shared hit=21 read=212409 written=28
               ->  Hash Join  (cost=57924.98..349768.09 rows=588511 width=40) (actual time=991.127..6734.462 rows=1186085 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=21 read=212409 written=28
                     ->  Seq Scan on partsupp  (cost=16.23..270974.23 rows=4000000 width=8) (actual time=1.309..3967.267 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=7 read=171007 written=28
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.14..15.98 rows=100 width=4) (actual time=0.061..1.247 rows=56 loops=1)
                                   Buffers: shared hit=6 read=50
                     ->  Hash  (cost=54213.39..54213.39 rows=295629 width=40) (actual time=986.534..986.534 rows=296681 loops=1)
                           Buckets: 524288  Batches: 1  Memory Usage: 25587kB
                           Buffers: shared hit=14 read=41402
                           ->  Bitmap Heap Scan on part  (cost=5726.71..54213.39 rows=295629 width=40) (actual time=87.018..847.938 rows=296681 loops=1)
                                 Recheck Cond: (p_size = ANY ('{13,44,12,34,6,3,4,11}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#22'::bpchar) AND ((p_type)::text !~~ 'PROMO BRUSHED%'::text))
                                 Rows Removed by Filter: 23075
                                 Heap Blocks: exact=40517
                                 Buffers: shared hit=14 read=41402
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5652.81 rows=318587 width=0) (actual time=75.961..75.961 rows=319756 loops=1)
                                       Index Cond: (p_size = ANY ('{13,44,12,34,6,3,4,11}'::integer[]))
                                       Buffers: shared hit=12 read=887
 Planning time: 4.659 ms
 Execution time: 10818.071 ms
(35 rows)

COMMIT;
COMMIT