JPQL statement returning boolean value

Question

Is it possible to write JPQL query like following:

select count(*) > 0 from Scenario scen where scen.name = :name

that would return true/fals

Answer 1

Yes, it is possible with following:

select case when (count(scen) > 0)  then true else false end  
from Scenario scen where scen.name = :name