public function getRFields() { return $this->hasMany(RFields::className(), ['id_field' => 'id']); }
public function getFields() { return $this->hasMany(RFields::className(), ['id_item' => 'id'])->leftJoin(FFields::tableName(), "f_fields.id = r_fields.id_field")->orderBy('f_fields.sort, f_fields.name'); }