Re: Change xl_hash_vacuum_one_page.ntuples from int to uint16

From: Nathan Bossart <nathandbossart(at)gmail(dot)com>
To: "Drouvot, Bertrand" <bertranddrouvot(dot)pg(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Change xl_hash_vacuum_one_page.ntuples from int to uint16
Date: 2023-02-14 22:05:18
Message-ID: 20230214220518.GA1350572@nathanxps13
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On Sat, Jan 21, 2023 at 06:42:08AM +0100, Drouvot, Bertrand wrote:
> On 1/20/23 9:01 PM, Nathan Bossart wrote:
>> Should we also change the related
>> variables (e.g., ndeletable in _hash_vacuum_one_page()) to uint16?
>
> Yeah, I thought about it too. What I saw is that there is other places that would be good candidates for the same
> kind of changes (see the int ntodelete argument in gistXLogDelete() being assigned to gistxlogDelete.ntodelete (uint16) for example).
>
> So, what do you think about:
>
> 1) keep this patch as it is (to "only" address the struct field and avoid possible future "useless" padding size increase)
> and
> 2) create a new patch (once this one is committed) to align the types for variables/arguments with the structs (related to XLOG records) fields when they are not?

Okay. I've marked this one as ready-for-committer, then.

--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

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