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From: Alvaro Herrera <[email protected]>
To: Peter Eisentraut <[email protected]>
Cc: jian he <[email protected]>
Cc: pgsql-hackers <[email protected]>
Cc: vignesh C <[email protected]>
Cc: Aleksander Alekseev <[email protected]>
Subject: Re: Catalog domain not-null constraints
Date: Thu, 14 Mar 2024 15:03:07 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

On 2024-Mar-14, Peter Eisentraut wrote:

> Perhaps it would make sense if we change the ALTER TABLE command to be like
> 
>     ALTER TABLE t1 ADD IF NOT EXISTS NOT NULL c1
> 
> Then the behavior is like one would expect.
> 
> For ALTER TABLE, we would reject this command if IF NOT EXISTS is not
> specified.  (Since this is mainly for pg_dump, it doesn't really matter for
> usability.)  For ALTER DOMAIN, we could accept both variants.

I don't understand why you want to change this behavior, though.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"La victoria es para quien se atreve a estar solo"

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