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#55'
	and p_type not like 'STANDARD ANODIZED%'
	and p_size in (11, 32, 33, 10, 26, 12, 20, 21)
	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=417366.38..417436.54 rows=28066 width=40) (actual time=9136.293..9138.015 rows=27838 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=86 read=212352
   ->  GroupAggregate  (cost=407527.93..415292.79 rows=28066 width=40) (actual time=8460.411..9087.219 rows=27838 loops=1)
         Group Key: part.p_brand, part.p_type, part.p_size
         Buffers: shared hit=72 read=212352
         ->  Sort  (cost=407527.93..409024.77 rows=598736 width=40) (actual time=8460.312..8586.963 rows=1185509 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141770kB
               Buffers: shared hit=72 read=212352
               ->  Hash Join  (cost=58129.18..350074.54 rows=598736 width=40) (actual time=947.209..6123.971 rows=1185509 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=72 read=212352
                     ->  Seq Scan on partsupp  (cost=16.23..270974.23 rows=4000000 width=8) (actual time=0.807..3852.307 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=57 read=170957
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.14..15.98 rows=100 width=4) (actual time=0.044..0.747 rows=56 loops=1)
                                   Buffers: shared hit=55 read=1
                     ->  Hash  (cost=54370.85..54370.85 rows=299368 width=40) (actual time=943.405..943.405 rows=296535 loops=1)
                           Buckets: 524288  Batches: 1  Memory Usage: 25539kB
                           Buffers: shared hit=15 read=41395
                           ->  Bitmap Heap Scan on part  (cost=5785.35..54370.85 rows=299368 width=40) (actual time=70.805..826.173 rows=296535 loops=1)
                                 Recheck Cond: (p_size = ANY ('{11,32,33,10,26,12,20,21}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#55'::bpchar) AND ((p_type)::text !~~ 'STANDARD ANODIZED%'::text))
                                 Rows Removed by Filter: 23018
                                 Heap Blocks: exact=40512
                                 Buffers: shared hit=15 read=41395
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5710.51 rows=322540 width=0) (actual time=61.153..61.153 rows=319553 loops=1)
                                       Index Cond: (p_size = ANY ('{11,32,33,10,26,12,20,21}'::integer[]))
                                       Buffers: shared hit=13 read=885
 Planning time: 7.084 ms
 Execution time: 9145.853 ms
(35 rows)

COMMIT;
COMMIT