MailMessage::renameMessageField PHP 메소드

    public function renameMessageField($mailContentId, $oldFieldName, $newfieldName)
    {
        $table = $this->createTableName($mailContentId);
        $ret = parent::renameField(array('old' => $oldFieldName, 'new' => $newfieldName, 'table' => $table));
        return $ret;
    }