think\Model::relationQuery PHP 메소드

    public function relationQuery($relations)
    {
        if (is_string($relations)) {
            $relations = explode(',', $relations);
        }
        $this->relation();
        foreach ($relations as $relation) {
            $this->data[$relation] = $this->relation->getRelation($relation);
        }
        return $this;
    }