public function getColumnNames($tableName)
    {
        $colNames = array();
        foreach ($this->tableColumnTypes[$tableName] as $colName => $colType) {
            if ($colType['is_virtual']) {
                $this->dumpSettings['complete-insert'] = true;
                continue;
            } else {
                $colNames[] = "`${colName}`";
            }
        }
        return $colNames;
    }