Re: [PATCH] Remove unused #include's in src/backend/commands/*

Nathan Bossart <nathandbossart@gmail.com>

From: Nathan Bossart <nathandbossart@gmail.com>
To: Aleksander Alekseev <aleksander@tigerdata.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-10-08T21:31:13Z
Lists: pgsql-hackers
On Wed, Oct 08, 2025 at 09:41:30PM +0300, Aleksander Alekseev wrote:
> The main problem here is that clangd is a language server, which means
> I see errors reported by it when I open a particular file in a text
> editor. To go manually over ~2500 .c/.h files we have and then see
> what will break on CI because of an #ifdef (as it was with the patch
> v1) doesn't strike me as a great idea :)

Why not use IWYU as recommended in src/tools/pginclude/README?  I gave that
a try and it didn't take very long for src/.

> Alternatively we could prioritize ~100 .c files which can be checked
> manually. Or we can make changes iteratively, as with patches v1/v2.

Excluding system headers, I'm seeing 390 suggestions for all C files in
src/, some of which I'd probably skip (e.g., snowball).  That doesn't seem
too bad to me.

-- 
nathan