/**
* Filter the query by a related \SpoilerWiki\Canon object
*
* @param \SpoilerWiki\Canon|ObjectCollection $canon the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildWorkTypeQuery The current query, for fluid interface
*/
public function filterByCanon($canon, $comparison = null)
{
if ($canon instanceof \SpoilerWiki\Canon) {
return $this->addUsingAlias(WorkTypeTableMap::COL_ID, $canon->getWorkTypeId(), $comparison);
} elseif ($canon instanceof ObjectCollection) {
return $this->useCanonQuery()->filterByPrimaryKeys($canon->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByCanon() only accepts arguments of type \\SpoilerWiki\\Canon or Collection');
}
}
