}
    // creating or modifying exception was canceled
    if (isset($_POST['acc_exc_create_cancel']) || isset($_POST['acc_exc_mod_cancel'])) {
        $s_exception_defs = array();
    }
    // init the array s_exceptions
    if ($s_exceptions_valid == FALSE || isset($_POST['acc_exc_reload'])) {
        $s_exceptions = get_exceptions($s_exceptions_order, $s_exceptions_dir);
        $s_exceptions_valid = TRUE;
    }
    // the Drop button on the udf panel was pushed
    if (isset($_POST['acc_exc_del']) && isset($_POST['acc_exc_del_name']) && $_POST['acc_exc_del_name'] != '') {
        $dname = $_POST['acc_exc_del_name'];
        $deps = get_dependencies(OT_EXCEPTION, $dname);
        if (count($deps) > 0) {
            $message = sprintf($MESSAGES['HAVE_DEPENDENCIES'], $acc_strings['Exception'], $dname, dependencies_string($deps));
        } else {
            if ($s_cust['askdel'] == TRUE) {
                $s_confirmations['exc'] = array('msg' => sprintf($MESSAGES['CONFIRM_EXC_DELETE'], $dname), 'obj' => $dname);
            } else {
                drop_exception($dname);
            }
        }
    }
}
// setup $s_tables[] and $s_fields[] if necessary
if ($s_connected == TRUE && $s_tables_valid == FALSE) {
    include_once './inc/get_tables.inc.php';
    if (get_tables()) {
        $s_tables_valid = TRUE;
    }
    } else {
        $sql = '';
    }
    if ($s_wt['table'] == $s_modify_name) {
        $s_watch_buffer = '';
    }
}
//
// script is called from the delete table form
//
if (have_panel_permissions($s_login['user'], 'tb_delete')) {
    if (isset($_POST['tb_delete_doit']) && isset($_POST['tb_delete_name']) && !empty($_POST['tb_delete_name'])) {
        $tname = $_POST['tb_delete_name'];
        $deps = get_dependencies(OT_RELATION, $tname);
        if (count($deps) > 0) {
            $message = sprintf($MESSAGES['HAVE_DEPENDENCIES'], $tb_strings['Table'], $tname, dependencies_string($deps));
        } else {
            $quote = identifier_quote($s_login['dialect']);
            $tstr = $quote . $tname . $quote;
            $drop_statement = $s_tables[$tname]['is_view'] == TRUE ? 'DROP VIEW ' . $tstr : 'DROP TABLE ' . $tstr;
            if ($s_cust['askdel'] == TRUE) {
                $s_confirmations['table'] = array('msg' => sprintf($MESSAGES['CONFIRM_TABLE_DELETE'], $tname), 'sql' => $drop_statement);
            } else {
                $sql = $drop_statement;
            }
            if ($s_modify_name == $_POST['tb_delete_name']) {
                $s_modify_name = '';
            }
            if ($s_wt['table'] == $_POST['tb_delete_name']) {
                $s_wt['table'] = '';
                $s_watch_buffer = '';