Baum\Node::trunks PHP Méthode

    public function trunks()
    {
        $grammar = $this->getConnection()->getQueryGrammar();
        $rgtCol = $grammar->wrap($this->getQualifiedRightColumnName());
        $lftCol = $grammar->wrap($this->getQualifiedLeftColumnName());
        return $this->descendants()->whereNotNull($this->getQualifiedParentColumnName())->whereRaw($rgtCol . ' - ' . $lftCol . ' != 1');
    }