вложения сироты

Требуется выполнить такой запрос: SELECT data_id, filename, file_size, ROUND(file_size / 1024, 2) as size_kb, attach_count, FROM_UNIXTIME(upload_date) as upload_date, user_id, file_hash FROM xf_attachment_data WHERE attach_count = 0 ORDER BY upload_date DESC...