Re: Proper object locking for GRANT/REVOKE

From: Peter Eisentraut <peter(at)eisentraut(dot)org>
To: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proper object locking for GRANT/REVOKE
Date: 2024-11-15 10:19:50
Message-ID: b8b49eb7-7fcb-4006-bed1-e56aa7304290@eisentraut.org
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On 11.11.24 08:53, Bertrand Drouvot wrote:
>> Maybe it would be better to push the assertion into get_object_address(),
>> something like
>>
>> Assert(!relation || relp)
>>
>> near the end.
>
> That looks like a good idea to me, that would make the code cleaner and easier
> to understand.
>
>> Meaning, if you pass NULL for the relp argument, then you
>> don't expect a relation. This is kind of what will happen now anyway,
>> except with a segfault instead of an assertion.
>
> Yeah, I like it.
>
> So, something like the attached (provided as .txt file to no mess up the CF bot
> entry related to this thread) could be applied before?

Thanks. I have applied your patch and then also mine with the
appropriate adjustments.

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