dhis2-devs team mailing list archive

[Saptarshi Purkayastha <sunbiz@xxxxxxxxx>]

I've said my take on the solution before... But here again:

We generate a list of 6-digit Base30 ids(2 million or so ... ) (..or
8-digit). randomly allocate and make them used. During sync when the ids
collide we use the internal uuid to create separate rows and internally we
always use a combination id for each row

---
Regards,
Saptarshi PURKAYASTHA
Director R & D, HISP India
Health Information Systems Programme

My Tech Blog:  http://sunnytalkstech.blogspot.com
You Live by CHOICE, Not by CHANCE


2010/3/4 Lars Helge Øverland <larshelge@xxxxxxxxx>

>
>
> Been chatting a bit with John and he expressed concern about the
> orgunit-randomnumber apprach. In India there are multiple installations and
> one cannot know for sure that an orgunit name will be unique. How do we deal
> with this?
>
> Using a globally unique identifier could be a solution, but the standard
> Java implementation (UUID) uses 32 characters and is a bit long. Is
> implementing our own, shorter one an option?
>
> Lars
>
>
>
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