Re: [PATCH] Check more invariants during syscache initialization

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Aleksander Alekseev <aleksander(at)timescale(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Zhang Mingli <zmlpostgres(at)gmail(dot)com>, Dagfinn Ilmari Mannsåker <ilmari(at)ilmari(dot)org>
Subject: Re: [PATCH] Check more invariants during syscache initialization
Date: 2023-07-27 01:57:20
Message-ID: ZMHPAAx5mgx/pnlT@paquier.xyz
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On Wed, Jul 26, 2023 at 07:01:11PM +0300, Aleksander Alekseev wrote:
> Hi,
>
> > Shouldn't these be calling `OidIsValid(…)`, not comparing directly to
> > `InvalidOid`?
>
> They should, thanks. Here is the updated patch. I made sure there are
> no others != InvalidOid checks in syscache.c and catcache.c which are
> affected by my patch. I didn't change any other files since Zhang
> wants to propose the corresponding patch.

While arguing about OidIsValid() for the relation OID part, I found a
bit surprising that you did not consider AttributeNumberIsValid() for
the new check on the keys. I've switched the second check to that,
and applied v3.
--
Michael

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