private function _fetchRelations($results, $joinsToStore)
{
$joinedRelations = Arrays::map($joinsToStore, Functions::extract()->destinationField());
foreach ($this->relationsToFetch as $relationToFetch) {
if (!in_array($relationToFetch->destinationField, $joinedRelations)) {
$relationFetcher = new RelationFetcher($relationToFetch->relation);
$fieldTransformer = new FieldTransformer($relationToFetch->field, $relationFetcher);
$fieldTransformer->transform($results);
}
}
return $results;
}