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#34'
	and p_type not like 'LARGE ANODIZED%'
	and p_size in (44, 49, 26, 48, 29, 8, 10, 22)
	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=457491.10..457561.36 rows=28104 width=40) (actual time=68486.113..68490.628 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=16242 read=196202 written=7085
   ->  GroupAggregate  (cost=447639.01..455414.43 rows=28104 width=40) (actual time=66930.666..68062.450 rows=27839 loops=1)
         Buffers: shared hit=16226 read=196202 written=7085
         ->  Sort  (cost=447639.01..449137.89 rows=599550 width=40) (actual time=66930.549..67337.302 rows=1187676 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141940kB
               Buffers: shared hit=16226 read=196202 written=7085
               ->  Hash Join  (cost=58148.14..390101.64 rows=599550 width=40) (actual time=4767.072..32920.242 rows=1187676 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=16226 read=196202 written=7085
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.450..19851.185 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=16215 read=154800 written=7068
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.099..1.348 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54392.47..54392.47 rows=299775 width=40) (actual time=4765.163..4765.163 rows=297084 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21506kB
                           Buffers: shared hit=11 read=41402 written=17
                           ->  Bitmap Heap Scan on part  (cost=5789.47..54392.47 rows=299775 width=40) (actual time=282.491..4504.004 rows=297084 loops=1)
                                 Recheck Cond: (p_size = ANY ('{44,49,26,48,29,8,10,22}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#34'::bpchar) AND ((p_type)::text !~~ 'LARGE ANODIZED%'::text))
                                 Rows Removed by Filter: 23235
                                 Buffers: shared hit=11 read=41402 written=17
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5714.53 rows=323240 width=0) (actual time=266.476..266.476 rows=320319 loops=1)
                                       Index Cond: (p_size = ANY ('{44,49,26,48,29,8,10,22}'::integer[]))
                                       Buffers: shared hit=9 read=894
 Total runtime: 68518.858 ms
(32 rows)

COMMIT;
COMMIT