Can I use enum parameter into JpaRepository nativeQuery?

问题

Entity looks like this:

@Getter
@Setter
@Entity
public class Application {
@Id
private Long id;
@Enumerated(EnumType.STRING)
private ApplicationStatus status;
}

Code works this way:

public interface ApplicationRepository extends JpaRepository<Application, Long> {
@Query("SELECT app FROM #{#entityName} AS app WHERE app.status LIKE :status")
List<Application> find(@Param("status") ApplicationStatus status);

But the same snippet with nativeQuery - doesn't:

@Query(value = "SELECT app.* FROM application AS app WHERE app.status LIKE :status", nativeQuery = true)
List<Application> findNative(@Param("status") ApplicationStatus status);
}

And I don`t have any exception, just empty list.

How can I fix this? Is it possible to use enum with nativeQuery?

P.S I can pass String into method instead of ApplicationStatus but maybe there are another option?

回答1:

Following similar question with similar requirement and one of the answers pointing to Spring Expression Language (SpEL) you could use:

public interface ApplicationRepository extends JpaRepository<Application, Long> {
    @Query(nativeQuery = true, value = "SELECT app FROM #{#entityName} AS app WHERE app.status=:#{#status.name()}")
    List<Application> find(@Param("status") ApplicationStatus status);
}

Above important part is app.status=:#{#status.name()}

回答2:

You could convert to string before passing the params.

回答3:

how about this?

public interface ApplicationRepository extends JpaRepository<Application, Long> {
List<Application> findByStatus(ApplicationStatus status);

来源：https://stackoverflow.com/questions/44460394/can-i-use-enum-parameter-into-jparepository-nativequery