private function SetQuerySummary()
    {
        if (!$this->query_result or !$this->debug_on) {
            return;
        }

        $this->printOutStr .= "<div class=\"alert alert-info\"><b>Query:</b> " .nl2br($this->last_query) . "<br />
        <b>Rows affected:</b> " .$this->GetAffRows() . "<br />
        <b>Num rows:</b> " .$this->GetNumRows() . "<br />".
        ($this->GetLastID()?"<b>Last INSERT ID:</b> " .$this->GetLastID() . "<br />":"")."</div>";
    }