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Re: NULLs ;-)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Scott Ribe <scott_ribe(at)killerbytes(dot)com>
Cc: Richard Broersma Jr <rabroersma(at)yahoo(dot)com>, pgsql general <pgsql-general(at)postgresql(dot)org>
Subject: Re: NULLs ;-)
Date: 2006-11-28 01:21:15
Message-ID: 26616.1164676875@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-general
Scott Ribe <scott_ribe(at)killerbytes(dot)com> writes:
> Well, actually, it would be:
>  a = b or (a = b) is unknown
> But that certainly would more concise.

But

regression=# select (null = null) is unknown;
 ?column? 
----------
 t
(1 row)

which I think is not what you wanted.

			regards, tom lane

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