Re: When is a record NULL?

From: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Brendan Jurd <direvus(at)gmail(dot)com>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: When is a record NULL?
Date: 2009-07-24 18:19:39
Message-ID: 07247004-538C-493D-8D7A-EF964FB8E054@kineticode.com
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On Jul 24, 2009, at 11:10, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Hmmm ... that suggests that we may not be handling IS DISTINCT FROM
> correctly for rowtypes. I haven't read that part of the spec, but
> I would've guessed that the spec wants it to be consistent with
> IS NULL.

Yes, that's precisely what I was trying to get at last night.

Best,

David

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