Re: Remove redundant AssertVariableIsOfType uses in pg_upgrade

Peter Eisentraut <peter@eisentraut.org>

From: Peter Eisentraut <peter@eisentraut.org>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2026-01-22T11:21:28Z
Lists: pgsql-hackers
On 20.01.26 23:19, Nathan Bossart wrote:
> On Tue, Jan 20, 2026 at 11:07:47AM +0100, Peter Eisentraut wrote:
>> pg_upgrade code contains a number of lines like
>>
>>      AssertVariableIsOfType(&process_rel_infos, UpgradeTaskProcessCB);
>>
>> This is presumably to ensure that the function signature is fitting for
>> being used with upgrade_task_add_step().  But the signature of
>> upgrade_task_add_step() already checks that itself, so these additional
>> assertions are redundant, and I find them confusing.  So I propose to remove
>> them.
> 
> I think this was borrowed from logical decoding output plugins, but
> apparently I wrote the patch to remove these assertions from those, too
> (commit 30b789eafe).  So, I'm not sure what I was thinking...  If they are
> indeed redundant, I have no objection to their removal.

Ah, that is interesting context.  Anyway, change committed.



Commits

  1. Remove redundant AssertVariableIsOfType uses

  2. Remove uses of AssertVariableIsOfType() obsoleted by f2b73c8