public Collection<PetType> getPetTypes() {
        return this.jdbcClient.sql("SELECT id, name FROM types ORDER BY name")
            .query(BeanPropertyRowMapper.newInstance(PetType.class))
            .list();
    }
Loads the {@link Owner} with the supplied <code>id</code>; also loads the {@link Pet Pets} and {@link Visit Visits}
for the corresponding owner, if not already loaded.
src/main/java/org/springframework/samples/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java