private function newUpdateEntry($column, $param)
    {
        if (!empty($this->columnwhitelist)) {
            if (!in_array($column, $this->columnwhitelist)) {
                throw (new \Exception('Column in update list not found in white list'));
            }
        }
        $newupdate = new \stdClass();
        $newupdate->column = $column;
        $newupdate->param = $this->newBindEntry($param, ':up');
        $this->updates[] = $newupdate;
    }