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#45'
	and p_type not like 'STANDARD BRUSHED%'
	and p_size in (32, 17, 10, 16, 26, 40, 48, 20)
	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=412922.87..412992.71 rows=27939 width=40) (actual time=11355.459..11358.795 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=11293 read=200266 written=12086
   ->  GroupAggregate  (cost=403204.99..410859.57 rows=27939 width=40) (actual time=10538.151..11295.893 rows=27839 loops=1)
         Group Key: part.p_brand, part.p_type, part.p_size
         Buffers: shared hit=11279 read=200266 written=12086
         ->  Sort  (cost=403204.99..404680.03 rows=590015 width=40) (actual time=10538.097..10696.861 rows=1188374 loops=1)
               Sort Key: part.p_brand, part.p_type, part.p_size
               Sort Method: quicksort  Memory: 141994kB
               Buffers: shared hit=11279 read=200266 written=12086
               ->  Hash Join  (cost=54792.75..346650.90 rows=590015 width=40) (actual time=1316.038..6883.149 rows=1188374 loops=1)
                     Hash Cond: (partsupp.ps_partkey = part.p_partkey)
                     Buffers: shared hit=11279 read=200266 written=12086
                     ->  Seq Scan on partsupp  (cost=16.23..270974.23 rows=4000000 width=8) (actual time=0.561..3996.224 rows=7995520 loops=1)
                           Filter: (NOT (hashed SubPlan 1))
                           Rows Removed by Filter: 4480
                           Buffers: shared hit=6214 read=164800 written=9326
                           SubPlan 1
                             ->  Index Scan using supplier_s_suppkey_idx_like on supplier  (cost=0.14..15.98 rows=100 width=4) (actual time=0.035..0.503 rows=56 loops=1)
                                   Buffers: shared hit=55 read=1
                     ->  Hash  (cost=51051.41..51051.41 rows=298009 width=40) (actual time=1312.977..1312.977 rows=297258 loops=1)
                           Buckets: 524288  Batches: 1  Memory Usage: 25599kB
                           Buffers: shared hit=5065 read=35466 written=2760
                           ->  Bitmap Heap Scan on part  (cost=2496.41..51051.41 rows=298009 width=40) (actual time=34.850..1189.079 rows=297258 loops=1)
                                 Recheck Cond: (p_size = ANY ('{32,17,10,16,26,40,48,20}'::integer[]))
                                 Rows Removed by Index Recheck: 1679518
                                 Filter: ((p_brand <> 'Brand#45'::bpchar) AND ((p_type)::text !~~ 'STANDARD BRUSHED%'::text))
                                 Rows Removed by Filter: 23224
                                 Heap Blocks: lossy=40522
                                 Buffers: shared hit=5065 read=35466 written=2760
                                 ->  Bitmap Index Scan on part_p_size_brin_idx  (cost=0.00..2421.91 rows=321320 width=0) (actual time=34.780..34.780 rows=3246080 loops=1)
                                       Index Cond: (p_size = ANY ('{32,17,10,16,26,40,48,20}'::integer[]))
                                       Buffers: shared hit=7 read=2
 Planning time: 3.751 ms
 Execution time: 11367.434 ms
(36 rows)

COMMIT;
COMMIT