public function getRelationIds($fieldName)
{
$relations = [];
$allRelations = $this->db->fetchAll("SELECT * FROM object_relations_" . $this->model->getClassId() . " WHERE fieldname = ? AND src_id = ? AND ownertype = 'object' ORDER BY `index` ASC", [$fieldName, $this->model->getId()]);
foreach ($allRelations as $relation) {
$relations[] = $relation["dest_id"];
}
return $relations;
}