QUERY PLAN
Aggregate (cost=0.05..0.06 rows=1 width=8)
-> Append (cost=0.00..0.00 rows=4 width=196)
-> Subquery Scan on "*SELECT* 1" (cost=0.00..0.00 rows=1 width=438)
-> Result (cost=0.00..0.00 rows=0 width=436)
One-Time Filter: false
-> Result (cost=0.00..0.00 rows=0 width=438)
One-Time Filter: false
-> Result (cost=0.00..0.00 rows=0 width=246)
One-Time Filter: false
-> Result (cost=0.00..0.00 rows=0 width=246)
One-Time Filter: false