Re: define PG_REPLSLOT_DIR

Hi,

On Mon, Aug 19, 2024 at 04:11:31PM +0530, Ashutosh Bapat wrote:
> On Wed, Aug 14, 2024 at 5:02 PM Bertrand Drouvot
> <bertranddrouvot(dot)pg(at)gmail(dot)com> wrote:
> >
> > Hi hackers,
> >
> > while working on a replication slot tool (idea is to put it in contrib, not
> > shared yet), I realized that "pg_replslot" is being used > 25 times in
> > .c files.
> >
> > I think it would make sense to replace those occurrences with a $SUBJECT, attached
> > a patch doing so.
>
> Many of these places are slot specific directory/file names within
> pg_replslot. I think we can further improve the code by creating macro
> on the lines of LSN_FORMAT_ARGS
> #define SLOT_DIRNAME_ARGS(slotname) (PG_REPLSLOT_DIR, slotname)
> this way we "codify" method to construct the slot directory name
> everywhere.

Thanks for the feedback!

I think that could make sense. As the already proposed mechanical changes are
error prone (from my point of view), I would suggest to have a look at your
proposal once the proposed changes go in.

Regards,

--
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com