f44e383462444a51ce5cb632db4554aedf2c85ee,src/main/java/org/springframework/samples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java,JpaOwnerRepositoryImpl,findById,#number#,40

Before Change


	}

	public Owner findById(int id) {
		return this.em.find(Owner.class, id);
	}

After Change


		return query.getResultList();
	}

	public Owner findById(int id) {
		// using 'join fetch' because a single query should load both owners and pets
		// using 'left join fetch' because it might happen that an owner does not have pets yet
		Query query = this.em.createQuery("SELECT owner FROM Owner owner left join fetch owner.pets WHERE owner.id =:id");
		query.setParameter("id", id);
		return  (Owner) query.getSingleResult();
	}