/** * Filter the query by a related Country object * * @param Country|PropelObjectCollection $country The related object(s) to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return CustomerQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterByCountry($country, $comparison = null) { if ($country instanceof Country) { return $this->addUsingAlias(CustomerPeer::COUNTRY_ID, $country->getId(), $comparison); } elseif ($country instanceof PropelObjectCollection) { if (null === $comparison) { $comparison = Criteria::IN; } return $this->addUsingAlias(CustomerPeer::COUNTRY_ID, $country->toKeyValue('PrimaryKey', 'Id'), $comparison); } else { throw new PropelException('filterByCountry() only accepts arguments of type Country or PropelCollection'); } }