Hi,

I'm using OrientDB to persist Events into an extended activity log (the 
activity stream) and these events are identified by deterministic IDs 
(version 3 UUID).
That means that their ID can even be calculated on the client before they 
are persisted.

    - A unique signature is processed with: java.util.UUID 
nameUUIDFromBytes(<signature>)

A typical ID looks like this 172ecd63-9c62-380d-a0a1-c45ca8883bc7 (more 
information here <http://en.wikipedia.org/wiki/UUID#Definition>) and 
currently I'm forced to store it as a String.

Either of two things would make my life considerably easier:

   - Support for efficient storage of UUIDs in OrientDB making UUIDs first 
   class citizens
   - Support for transient properties that are only indexed but not stored

I know I can implement the latter with an index that I maintain myself but 
I will only do that as a last resort.

Any comments? :)

Very best regards,
  -Stefán


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