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#33'
	and p_type not like 'STANDARD PLATED%'
	and p_size in (14, 12, 17, 34, 11, 25, 21, 30)
	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=456347.34..456416.75 rows=27766 width=40) (actual time=62556.897..62559.104 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=56340 read=156104
   ->  GroupAggregate  (cost=446616.35..454298.06 rows=27766 width=40) (actual time=61130.616..62155.984 rows=27839 loops=1)
         Buffers: shared hit=56324 read=156104
         ->  Sort  (cost=446616.35..448097.16 rows=592324 width=40) (actual time=61130.496..61468.219 rows=1184932 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141725kB
               Buffers: shared hit=56324 read=156104
               ->  Hash Join  (cost=57943.01..389824.25 rows=592324 width=40) (actual time=4353.225..28723.871 rows=1184932 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=56324 read=156104
                     ->  Seq Scan on partsupp  (cost=8.48..270966.48 rows=4000000 width=8) (actual time=1.111..15585.000 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=51845 read=119170
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.00..8.45 rows=10 width=4) (actual time=0.070..1.011 rows=56 loops=1)
                                   Buffers: shared hit=55 read=2
                     ->  Hash  (cost=54232.50..54232.50 rows=296162 width=40) (actual time=4351.783..4351.783 rows=296383 loops=1)
                           Buckets: 32768  Batches: 1  Memory Usage: 21440kB
                           Buffers: shared hit=4479 read=36934
                           ->  Bitmap Heap Scan on part  (cost=5730.33..54232.50 rows=296162 width=40) (actual time=250.672..4091.121 rows=296383 loops=1)
                                 Recheck Cond: (p_size = ANY ('{14,12,17,34,11,25,21,30}'::integer[]))
                                 Filter: ((p_brand <> 'Brand#33'::bpchar) AND ((p_type)::text !~~ 'STANDARD PLATED%'::text))
                                 Rows Removed by Filter: 23041
                                 Buffers: shared hit=4479 read=36934
                                 ->  Bitmap Index Scan on part_p_size_idx  (cost=0.00..5656.29 rows=319207 width=0) (actual time=227.086..227.086 rows=319424 loops=1)
                                       Index Cond: (p_size = ANY ('{14,12,17,34,11,25,21,30}'::integer[]))
                                       Buffers: shared hit=9 read=889
 Total runtime: 62591.135 ms
(32 rows)

COMMIT;
COMMIT