Re: unique constraint with significant nulls?

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Mike Blackwell <mike(dot)blackwell(at)rrd(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: unique constraint with significant nulls?
Date: 2012-09-25 16:58:05
Message-ID: 20120925165805.GA6068@depesz.com
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On Tue, Sep 25, 2012 at 11:34:36AM -0500, Mike Blackwell wrote:
> Interesting, but that assumes there's a value to use in the coalesce that
> isn't a valid data value.

no, it doesn't.

Best regards,

depesz

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