Result Set With Jpa. Before we look at its usage lets do some setup. Only in JPA 21 a ConstructorResult has been added to map return values a java class.
Public MyBeanLong id String desc Long id2 then in your entity o mapping make your named query like this. Inheritance Result Mapping Two Subclasses. The Basics JPQL queries can also return results which are not entity objects.
However we dont want to return a List when executing this query.
In this tutorial were going to learn about limiting query results with JPA and Spring Data JPA. In this guide well take a look at SqlResultSetMapping out of the Java Persistence API JPA. Traditionally the getResultList JPA Query method has been used whenever the result set contained multiple rows. Then well dive right into how to achieve that with JPA and Spring Data JPA.