_CMailAttachmentDBRes::fetch

function fetch()
{
	if (($res = parent::fetch()) && $res['FILE_ID'] > 0)
	{
		if ($file = CFile::makeFileArray($res['FILE_ID']))
		{
			if (!empty($file['tmp_name']) && BitrixMainIOFile::isFileExists($file['tmp_name']))
			{
				$res['FILE_DATA'] = BitrixMainIOFile::getFileContents($file['tmp_name']);
			}
			else
			{
				$res['FILE_DATA'] = false;
			}
		}
	}

	return $res;
}