Re: Weird unique constraint

From: Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
To: Rob Richardson <Rob(dot)Richardson(at)rad-con(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Weird unique constraint
Date: 2010-05-12 13:11:26
Message-ID: AANLkTikoC--p2J7n_aap9jp5WuX4gmXgmQOyTsTD_4GB@mail.gmail.com
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If you think about it, NULL is not a value.
It makes sens that it allows multiple NULLs.
If you don't agree, than your SQL point of view doesn't match the
majority, and your designs won't fit in the SQL paradigm .

I think it is just a matter of experimenting, and experience to see
how useful it is :)

hth.

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