protected function getSetOrEnum2Array($refTbl, $refCol)
    {
        $dat = $this->establishDatabaseAndTable($refTbl);
        foreach ($this->advCache['tableStructureCache'][$dat[0]][$dat[1]] as $vle) {
            if ($vle['COLUMN_NAME'] == $refCol) {
                $kVl = explode('\',\'', substr($vle['COLUMN_TYPE'], strlen($vle['DATA_TYPE']) + 2, -2));
                $fVl = array_combine($kVl, $kVl);
                if ($vle['IS_NULLABLE'] === 'YES') {
                    $fVl['NULL'] = '';
                }
            }
        }
        ksort($fVl);
        return $fVl;
    }