get highest number

[Wolfgang Meier]

> you are right. So I will have to live with it or rethink my database id concept.

Well, we could check if we can somehow speed up the access to the id
value. It is certainly possible that we have a bug which causes the
retrieval of the attribute values in max() to be slower than it needs
to be. Can you send me an example of your document structure by
private mail?

Wolfgang