Date: Mon, 15 Oct 2018 12:32:20 -0400
From: Bruce Momjian <bruce@momjian.us>
To: "David G. Johnston" <david.g.johnston@gmail.com>
Cc: KES <kes-kes@yandex.ru>,
	"pgsql-docs@lists.postgresql.org" <pgsql-docs@lists.postgresql.org>
Subject: Re: Ambiguous usage of 'any' in explanation
Message-ID: <20181015163220.GA18438@momjian.us>
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On Sun, Oct 14, 2018 at 11:00:18PM -0700, David G. Johnston wrote:
> On Saturday, October 13, 2018, Bruce Momjian <bruce@momjian.us> wrote:
> 
>     On Sat, Oct 13, 2018 at 12:25:38PM +0300, KES wrote:
>     > >or NULL if any of the comparisons result in unknown
>     > result in unknown??
> 
>     Well, SQL has a three-valued logic, and UNKOWN values are treated like
>     NULL.  For me they have always been the same, and I would like to avoid
>     "unknown" in this context, if possible.
> 
> 
> 
> I was just trying to avoid using the word null twice in the same sentence but
> it’s not a strong aversion.

I am thinking of applying my earlier patch and calling it done.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +