public function undel($term)
    {
        if (
            false === $this->has_table() or
            true === $this->is_destructive
        ) {
            $this->set_error('Model '.get_class($this).' has no recoverable data');
            return false;
        }

        $term = $this->normalize_term($term);

        return $this->trash_it($term, false);
    }