public function setAbsoluteBlockDisplayOrder($do)
    {
        $db = Loader::db();

        $cID = $this->getBlockCollectionID();
        $bID = $this->getBlockID();
        $arHandle = $this->getAreaHandle();

        $c = $this->getBlockCollectionObject();
        $cvID = $c->getVersionID();

        $q = 'update CollectionVersionBlocks set cbDisplayOrder = ? where bID = ? and cID = ? and (cvID = ? or cbIncludeAll=1) and arHandle = ?';
        $r = $db->query($q, [$do, $bID, $cID, $cvID, $arHandle]);
    }