src/Metable.php
protected function orderByMeta(Builder $query, $args, $alias)
    {
        $query->with('metaAttributes')->getQuery()->orderBy("{$alias}.meta_value", $args->get('direction'));

        return $query;
    }
protected function orderByMeta(Builder $query, $args, $alias)
    {
        $query->with('metaAttributes')->getQuery()->orderBy("{$alias}.meta_value", $args->get('direction'));

        return $query;
    }
Order query by meta attribute.

@param  \Sofa\Eloquence\Builder $query
@param  \Sofa\Hookable\Contracts\ArgumentBag $args
@param  string $alias
@return \Sofa\Eloquence\Builder