JPA Criteria API: LEFT JOIN for optional relationships

Question

I\'m using the Criteria API basically the first time. It\'s about abstracting queries for a generic builder:

public TypedQuery newQuery( Manager

        

Answer 1

I had the same issue... After investigation the conclusion is That you hâve to handle this with left join in your jpql See that: http://www.objectdb.com/java/jpa/query/jpql/path#Navigation_through_a_NULL_value_