Re: making relfilenodes 56 bits

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: making relfilenodes 56 bits
Date: 2022-06-30 17:27:13
Message-ID: CA+TgmobjJLnQ26R0XzeOH7iQouENL3nUChOKiykpXdp2-g6Hfg@mail.gmail.com
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On Wed, Jun 29, 2022 at 5:15 AM Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
> >- It looks to me like you need to give significantly more thought to
> > the proper way of adjusting the relfilenode-related test cases in
> > alter_table.out.
>
> It seems to me that this test case is just testing whether the
> table/child table are rewritten or not after the alter table. And for
> that it is comparing the oid with the relfilenode, now that is not
> possible so I think it's quite reasonable to just compare the current
> relfilenode with the old relfilenode and if they are same the table is
> not rewritten. So I am not sure why the original test case had two
> cases 'own' and 'orig'. With respect to this test case they both have
> the same meaning, in fact comparing old relfilenode with current
> relfilenode is better way of testing than comparing the oid with
> relfilenode.

I think you're right. However, I don't really like OTHER showing up in
the output, because that looks like a string that was chosen to be
slightly alarming, especially given that it's in ALL CAPS. How about
if we change 'ORIG' to 'new'?

--
Robert Haas
EDB: http://www.enterprisedb.com

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