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