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From: Pete O'Such <[email protected]>
To: David G. Johnston <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Doc error re: "not null" "not valid"
Date: Thu, 18 Jun 2026 00:45:46 -0400
Message-ID: <CAEdngj9jJ=5j=AFaK5igX96sNomDcSVp2H--8JZmcg7XoXyyTQ@mail.gmail.com> (raw)
In-Reply-To: <CAKFQuwYNc=B_oZST+NHuRzz2hQ6SYaR9XTL78CwNzrCyjrheLw@mail.gmail.com>
References: <CAEdngj81QMQ=_a0DKhX+iUomLE=iPr3X598Pr1O=JyJs0s00Jw@mail.gmail.com>
	<CAKFQuwYNc=B_oZST+NHuRzz2hQ6SYaR9XTL78CwNzrCyjrheLw@mail.gmail.com>

>
> You are commenting on version 9.1 documentation but testing version 18.
> The 18 docs mention not-null constraints.


That's totally right. Thanks for setting me straight.

Pete

On Thu, Jun 18, 2026 at 12:26 AM David G. Johnston <
[email protected]> wrote:

> On Wednesday, June 17, 2026, Pete O'Such <[email protected]> wrote:
>
>> https://www.postgresql.org/docs/9.1/sql-altertable.html
>>
>> The text for "ADD table_constraint" says that NOT VALID "is currently
>> only allowed for foreign key constraints."
>>
>>
> You are commenting on version 9.1 documentation but testing version 18.
> The 18 docs mention not-null constraints.
>
> David J.
>
>

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