RedBeanPHP\QueryWriter\AQueryWriter::inferFetchType PHP 메소드

    public function inferFetchType($type, $property)
    {
        $type = $this->esc($type, TRUE);
        $field = $this->esc($property, TRUE) . '_id';
        $keys = $this->getKeyMapForType($type);
        foreach ($keys as $key) {
            if ($key['from'] === $field) {
                return $key['table'];
            }
        }
        return NULL;
    }