protected function query($query, ...$params)
    {
        $saveParams = array_map([$this, 'quote'], $params);

        $baseSql = str_replace('{table}', $this->table, $query);
        $sql = vsprintf($baseSql, $saveParams);

        $ret = $this->server->query($sql);

        if ($ret === false) {
            trigger_error($this->server->error . " $sql", E_USER_NOTICE);
        }

        return $ret;
    }