/**
* Filter the query by a related \App\Propel\Category object
*
* @param \App\Propel\Category|ObjectCollection $category the related object to use as filter
* @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
*
* @return ChildFileQuery The current query, for fluid interface
*/
public function filterByCategory($category, $comparison = null)
{
if ($category instanceof \App\Propel\Category) {
return $this->addUsingAlias(FileTableMap::COL_FILE_ID, $category->getCategoryPic(), $comparison);
} elseif ($category instanceof ObjectCollection) {
return $this->useCategoryQuery()->filterByPrimaryKeys($category->getPrimaryKeys())->endUse();
} else {
throw new PropelException('filterByCategory() only accepts arguments of type \\App\\Propel\\Category or Collection');
}
}
