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From David Boreham <>
Subject Re: [LDAP] Mimic RDBMS auto-increment feature in LDAP
Date Wed, 14 Jan 2009 15:00:54 GMT
Pierre-Arnaud Marcelot wrote:
> I'd love to do option #2 but this is something we can not do as the 
> project I'm working on should not have any impact on the underlying 
> applications except the application which exposes the model and 
> discusses with the storage.
> I can't do option #1 as it the aim of the project... ;)
> I think we'll _just_ need to integrate the handling of the incremented 
> IDs in the application we're re-writing (searching for the next 
> available id and then insert the entry once we've figured out what 
> value to use).
> The idea is also to keep the existing API for compatibility reasons, 
> but deprecate a few elements in the model and additionally provide a 
> *cleaner* API that applications could use for a future migration.
This is a form of #2 (make the client not require the LDAP server to 
implement small positive integer unique ID generation).

It won't work in a replicated environment, (a variant of the scheme 
where you build a your own distributed id allocation service would fix 
this), but you may not have that requirement.

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