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