Rollback

CDatabase::Rollback()

The method rolls back all changes made by an opened incomplete transaction. The method works for Oracle, MSSQL, MySQL (for InnoDB tables). Non-static method.

Parameters

No parameters.

See Also

• CDatabase::Commit
• CDatabase::StartTransaction

Examples of use

<?
if (strlen($save)>0)
{
    if (CheckFields())
    {
        $DB->PrepareFields("b_form");
        $arFields = array(
            "TIMESTAMP_X"             => $DB->GetNowFunction(),
            "NAME"                    => "'".trim($str_NAME)."'",
            "VARNAME"                 => "'".trim($str_VARNAME)."'",
            "C_SORT"                  => "'".intval($str_C_SORT)."'",
            "FIRST_SITE_ID"           => "'".$DB->ForSql($FIRST_SITE_ID,2)."'",
            "BUTTON"                  => "'".$str_BUTTON."'",
            "DESCRIPTION"             => "'".$str_DESCRIPTION."'",
            "DESCRIPTION_TYPE"        => "'".$str_DESCRIPTION_TYPE."'",
            "SHOW_TEMPLATE"           => "'".trim($str_SHOW_TEMPLATE)."'",
            "MAIL_EVENT_TYPE"         => "'".$DB->ForSql("FORM_FILLING_".$str_VARNAME,50)."'",
            "SHOW_RESULT_TEMPLATE"    => "'".trim($str_SHOW_RESULT_TEMPLATE)."'",
            "PRINT_RESULT_TEMPLATE"   => "'".trim($str_PRINT_RESULT_TEMPLATE)."'",
            "EDIT_RESULT_TEMPLATE"    => "'".trim($str_EDIT_RESULT_TEMPLATE)."'",
            "FILTER_RESULT_TEMPLATE"  => "'".trim($str_FILTER_RESULT_TEMPLATE)."'",
            "TABLE_RESULT_TEMPLATE"   => "'".trim($str_TABLE_RESULT_TEMPLATE)."'",
            "STAT_EVENT1"             => "'".trim($str_STAT_EVENT1)."'",
            "STAT_EVENT2"             => "'".trim($str_STAT_EVENT2)."'",
            "STAT_EVENT3"             => "'".trim($str_STAT_EVENT3)."'"
            );
		$DB->StartTransaction();
        if ($ID>0) 
        {
            $DB->Update("b_form", $arFields, "WHERE ID='".$ID."'", $err_mess.__LINE__);
        }
        else 
        {
            $ID = $DB->Insert("b_form", $arFields, $err_mess.__LINE__);
            $new="Y";
        }
        $ID = intval($ID);
        if (strlen($strError)<=0) 
        {
            $DB->Commit();
            if (strlen($save)>0) LocalRedirect("form_list.php?lang=".LANGUAGE_ID);
            elseif ($new=="Y") LocalRedirect("form_edit.php?lang=".LANGUAGE_ID."&ID=".$ID);
        }
        else $DB->Rollback();
    }
}
?>