/**
* Filter the query by a related \SpoilerWiki\Canon object
*
* @param \SpoilerWiki\Canon|ObjectCollection $canon The related object(s) to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @throws \Propel\Runtime\Exception\PropelException
*
* @return ChildTopicQuery The current query, for fluid interface
*/
public function filterBycanon($canon, $comparison = null)
{
if ($canon instanceof \SpoilerWiki\Canon) {
return $this->addUsingAlias(TopicTableMap::COL_CANON_ID, $canon->getId(), $comparison);
} elseif ($canon instanceof ObjectCollection) {
if (null === $comparison) {
$comparison = Criteria::IN;
}
return $this->addUsingAlias(TopicTableMap::COL_CANON_ID, $canon->toKeyValue('PrimaryKey', 'Id'), $comparison);
} else {
throw new PropelException('filterBycanon() only accepts arguments of type \\SpoilerWiki\\Canon or Collection');
}
}
