public function all()
    {
        $_filters = $this->filters; // store filters

        if (!$this->allowDeleted) {
            $this->filters = array("`" . $this->table . "`.deleted = 0"); // reset them
        } else {
            $this->filters = array();
        }

        $values = $this->values();

        $this->filters = $_filters; // restore filters

        return $values;
    }