/**
* Filter the query by a related Chart object
*
* @param Chart|PropelObjectCollection $chart the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return UserQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterByChart($chart, $comparison = null)
{
if ($chart instanceof Chart) {
return $this->addUsingAlias(UserPeer::ID, $chart->getAuthorId(), $comparison);
} elseif ($chart instanceof PropelObjectCollection) {
return $this->useChartQuery()->filterByPrimaryKeys($chart->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByChart() only accepts arguments of type Chart or PropelCollection');
}
}
/**
* Filter the query by a related Book object
*
* @param Book|PropelObjectCollection $book the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return AuthorQuery The current query, for fluid interface
* @throws PropelException - if the provided filter is invalid.
*/
public function filterByBook($book, $comparison = null)
{
if ($book instanceof Book) {
return $this->addUsingAlias(AuthorPeer::ID, $book->getAuthorId(), $comparison);
} elseif ($book instanceof PropelObjectCollection) {
return $this->useBookQuery()->filterByPrimaryKeys($book->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByBook() only accepts arguments of type Book or PropelCollection');
}
}
