Re: pg_waldump: support decoding of WAL inside tarfile - Mailing list pgsql-hackers

On Thu, Sep 25, 2025 at 4:25 AM Amul Sul <sulamul@gmail.com> wrote:
> > Another thing that isn't so nice right now is that
> > verify_tar_archive() has to open and close the archive only for
> > init_tar_archive_reader() to be called to reopen it again just moments
> > later. It would be nicer to open the file just once and then keep it
> > open. Here again, I wonder if the separation of duties could be a bit
> > cleaner.
>
> Prefer to keep those separate, assuming that reopening the file won't
> cause any significant harm. Let me know if you think otherwise.

Well, I guess I'd like to know why we can't do better. I'm not really
worried about performance, but reopening the file means that you can
never make it work with reading from a pipe.

--
Robert Haas
EDB: http://www.enterprisedb.com