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From: Kyotaro Horiguchi <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: Re: Strange presentaion related to inheritance in \d+
Date: Wed, 30 Aug 2023 09:46:58 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>

At Tue, 29 Aug 2023 19:28:28 +0200, Alvaro Herrera <[email protected]> wrote in 
> On 2023-Aug-29, Kyotaro Horiguchi wrote:
> 
> > Attached is the initial version of the patch. It prevents "CREATE
> > TABLE" from executing if there is an inconsisntent not-null
> > constraint.  Also I noticed that "ALTER TABLE t ADD NOT NULL c NO
> > INHERIT" silently ignores the "NO INHERIT" part and fixed it.
> 
> Great, thank you.  I pushed it after modifying it a bit -- instead of
> throwing the error in MergeAttributes, I did it in
> AddRelationNotNullConstraints().  It seems cleaner this way, mostly
> because we already have to match these two constraints there.  (I guess

I agree that it is cleaner.

> you could argue that we waste catalog-insertion work before the error is
> reported and the whole thing is aborted; but I don't think this is a
> serious problem in practice.)

Given the rarity and the speed required, I agree that early-catching
is not that crucial here. Thanks for clearing that up.

regardes.


-- 
Kyotaro Horiguchi
NTT Open Source Software Center

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