Xpressengine\DynamicField\AbstractType::first PHP Method

$query 에 outer join 된 쿼리를 리턴

public first ( DynamicQuery $query ) : Builder
$query	Xpressengine\Database\DynamicQuery	query builder
return	Illuminate\Database\Query\Builder

    public function first(DynamicQuery $query)
    {
        return $this->join($query, $this->config);
    }

AbstractType