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From: Antonin Houska <[email protected]>
To: Mihail Nikalayeu <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Pg Hackers <[email protected]>
Cc: Robert Treat <[email protected]>
Subject: Re: Adding REPACK [concurrently]
Date: Mon, 08 Dec 2025 08:35:53 +0100
Message-ID: <14628.1765179353@localhost> (raw)
In-Reply-To: <CADzfLwWFbXVN-QrKaVXvW96eYQD1AiRVCYd99nX7EQFG3q_yfg@mail.gmail.com>
References: <[email protected]>
	<116433.1764870207@localhost>
	<CADzfLwWFbXVN-QrKaVXvW96eYQD1AiRVCYd99nX7EQFG3q_yfg@mail.gmail.com>

Mihail Nikalayeu <[email protected]> wrote:

> On Thu, Dec 4, 2025 at 6:43 PM Antonin Houska <[email protected]> wrote:
> > v26 attached here. It's been rebased and reflects most of the feedback.
> 
> Some comments on 0001-0002:
> 1)
> 
> > cluster_rel(stmt->command, rel, indexOid, params);
> cluster_rel closes relation, and after it is dereferenced a few lines after.
> Technically it may be correct, but feels a little bit strange.

ok, will be fixed in the next version (supposedly later today).

> 2)
> 
> > if (vacopts->mode == MODE_VACUUM)
> I think for better compatibility it is better to handle new value in
> if - (vacopts->mode == MODE_REPACK) to keep old cases unchanged

I suppose you mean vacuuming.c. We're considering removal of pg_repackdb from
the patchset, so let's decide on this later.

> 3)
> 
> > case T_RepackStmt:
> >    tag = CMDTAG_REPACK;
> >    break;
> 
> should we use instead:
> 
> case T_RepackStmt:
>     if (((RepackStmt *) parsetree)->command == REPACK_COMMAND_CLUSTER)
>        tag = CMDTAG_CLUSTER;
>     else
>        tag = CMDTAG_REPACK;
>     break;
> 
> or delete CMDTAG_CLUSTER - since it not used anymore

LGTM, will include it in the next version.

> 4)
> "has been superceded by"
> typo

ok. (This may also be removed, as it's specific to pg_repackdb.)

-- 
Antonin Houska
Web: https://www.cybertec-postgresql.com

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