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#44'
	and p_type not like 'ECONOMY BRUSHED%'
	and p_size in (14, 24, 32, 26, 9, 12, 17, 46)
	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=457032.45..457102.36 rows=27965 width=40) (actual time=55773.154..55775.226 rows=27839 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=192570 read=19868 written=1666
   ->  GroupAggregate  (cost=447230.10..454967.05 rows=27965 width=40) (actual time=54445.658..55352.583 rows=27839 loops=1)
         Buffers: shared hit=192554 read=19868 written=1666
         ->  Sort  (cost=447230.10..448721.56 rows=596584 width=40) (actual time=54445.541..54753.887 rows=1187404 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141918kB
               Buffers: shared hit=192554 read=19868 written=1666
               ->  Hash Join  (cost=58074.86..389998.70 rows=596584 width=40) (actual time=2417.970..20700.770 rows=1187404 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=192554 read=19868 written=1666
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.247..9819.883 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=161575 read=9440 written=580
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.115..1.146 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54337.73..54337.73 rows=298292 width=40) (actual time=2416.164..2416.164 rows=297009 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21484kB
                           Buffers: shared hit=30979 read=10428 written=1086
                           ->  Bitmap Heap Scan on part  (cost=5776.56..54337.73 rows=298292 width=40) (actual time=240.095..2168.199 rows=297009 loops=1)
                                 Recheck Cond: (p_size = ANY ('{14,24,32,26,9,12,17,46}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#44'::bpchar) AND ((p_type)::text !~~ 'ECONOMY BRUSHED%'::text))
                                 Rows Removed by Filter: 23389
                                 Buffers: shared hit=30979 read=10428 written=1086
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5701.99 rows=321567 width=0) (actual time=222.618..222.618 rows=320398 loops=1)
                                       Index Cond: (p_size = ANY ('{14,24,32,26,9,12,17,46}'::integer[]))
                                       Buffers: shared hit=8 read=893 written=95
 Total runtime: 55808.555 ms
(32 rows)

COMMIT;
COMMIT