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