# explain analyze select 1 = (select 1);
                                         QUERY PLAN
--------------------------------------------------------------------------------------------
 Result  (cost=0.01..0.02 rows=1 width=0) (actual time=0.033..0.035 rows=1 loops=1)
   InitPlan
     ->  Result  (cost=0.00..0.01 rows=1 width=0) (actual time=0.003..0.005 rows=1 loops=1)
 Total runtime: 0.234 ms
(4 rows)