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