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Re: Uniqueness constraint over multiple attributes


please follow-up on the mailing list (Cc:-ed) so others can answer and learn
as well.

Jan Beerden wrote:
> We already tried that. We are trying to prevent user1 to have an email alias
> that is the same as user2's primary email address.
> [..]
> What we would like is that a certain value (email address) has to be unique
> across both the email and the alias attribute.

Uniqueness is only per attribute. So this is not possible.

Ciao, Michael.

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