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