QUERY PLAN
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 Sort  (cost=32.88..32.96 rows=32 width=224) (actual time=0.532..0.532 
rows=0 loops=1)
   Sort Key: n.nspname, c.relname
   Sort Method: quicksort  Memory: 25kB
   ->  Hash Join  (cost=1.09..32.08 rows=32 width=224) (actual time=0.5
24..0.525 rows=0 loops=1)
         Hash Cond: (c.relnamespace = n.oid)
         ->  Seq Scan on pg_class c  (cost=0.00..29.84 rows=64 width=73
) (actual time=0.026..0.397 rows=128 loops=1)
               Filter: ((relkind = ANY ('{r,p,v,m,S,f,""}'::"char"[])) AND pg_table_is_visible(oid))
               Rows Removed by Filter: 261
         ->  Hash  (cost=1.07..1.07 rows=2 width=68) (actual time=0.062..0.062 rows=2 loops=1)
               Buckets: 1024  Batches: 1  Memory Usage: 9kB
               ->  Seq Scan on pg_namespace n  (cost=0.00..1.07 rows=2 width=68) (actual time=0.032..0.038 rows=2 loops=1)
                     Filter: ((nspname <> 'pg_catalog'::name) AND (nspname <> 'information_schema'::name) AND (nspname !~ '^pg_toast'::text))
                     Rows Removed by Filter: 3
 Planning Time: 0.636 ms
 Execution Time: 0.616 ms
(15 rows)