@SqlResultSetMapping(
        name = "CountryMapping",
        entities = {
            @EntityResult(entityClass = CountryNew.class),
            @EntityResult(entityClass = CountryTL.class)
        }
)

public void findByLang2() {
        List<Object[]> a = em.createNativeQuery("select c.country_id,c.eu_code,c.iso_code, "
                + "t.countrytl_id, t.country_id, t.name, t.description from CountryNew c,CountryTL t "
                + "where c.country_id=t.country_id and t.language=?1", "CountryMapping").setParameter(1, sa.getLanguage()).getResultList();
        a.stream().forEach((aa) -> {
            System.out.println(aa.length);
        });
    }

@SqlResultSetMapping(
        name = "CountryMapping",
        entities = {
            @EntityResult(entityClass = CountryNew.class, fields = {
        @FieldResult(name = "country_id", column = "country_id"),
        @FieldResult(name = "eu_code", column = "eu_code"),
        @FieldResult(name = "iso_code", column = "iso_code")}),
            @EntityResult(entityClass = CountryTL.class, fields = {
        @FieldResult(name = "countrytl_id", column = "countrytl_id"),
        @FieldResult(name = "country_id", column = "country_id"),
        @FieldResult(name = "name", column = "name"),
        @FieldResult(name = "description", column = "description"),
            })
        }
)