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From Mike Matrigali <mikem_...@sbcglobal.net>
Subject Re: Unique constraints and null
Date Wed, 22 Mar 2006 19:22:39 GMT
I am not aware of any work being done.  My only concern is that such an 
implementation does not the affect the performance of existing index 
operations.  I would be interested in knowing what approach you are 
considering to address it.

Oyvind Bakksjo wrote:
> Hi folks, long time no see. :)
> I think I'm ready to start doing some work on Derby again (not full 
> time, but more than zero time ;o). I was thinking of DERBY-653, which 
> Rick H created and then closed himself during a discussion in October. I 
> think it would be nice if Derby behaved correctly according to the SQL 
> standard here. I see allowing nulls with unique constraints as a useful 
> feature to have. So, considering that I've been absent for quite a 
> while, I don't know the state of the nation and have to ask: Is this a 
> feature the community would like to have? Does anyone object to Derby 
> behaving this way? And is anyone working on this right now, considering 
> working on it, or would like to?
> --
> Øyvind Bakksjø

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