Re: Bug / Unexpected behaviour of NOT LIKE

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Judith Meyer <yutian(dot)mei(at)gmail(dot)com>
Cc: PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: Bug / Unexpected behaviour of NOT LIKE
Date: 2021-10-06 17:52:56
Message-ID: CAKFQuwZFo6dmwr-Xk2BCi7igu0BETPbaqdCWjFh=zZG=Cxws=g@mail.gmail.com
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On Wed, Oct 6, 2021 at 9:30 AM Judith Meyer <yutian(dot)mei(at)gmail(dot)com> wrote:

> all occasions where someone might reasonably use NOT LIKE should be
>

done on fields that prohibit null values ensuring that, absent an outer
join, the check for null-ness is unnecessary.

David J.

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