protected function scopeAncestorsAndSelf()
{
$this->treeNestedGet = true;
$db = $this->getDbo();
$fldLft = $db->qn($this->getFieldAlias('lft'));
$fldRgt = $db->qn($this->getFieldAlias('rgt'));
$this->whereRaw($db->qn('parent') . '.' . $fldLft . ' >= ' . $db->qn('node') . '.' . $fldLft);
$this->whereRaw($db->qn('parent') . '.' . $fldLft . ' <= ' . $db->qn('node') . '.' . $fldRgt);
$this->whereRaw($db->qn('parent') . '.' . $fldLft . ' = ' . $db->q($this->lft));
}