Re: Using defines for protocol characters

Dave Cramer <davecramer@gmail.com>

From: Dave Cramer <davecramer@gmail.com>
To: Tatsuo Ishii <ishii@sraoss.co.jp>
Cc: pgsql-hackers@lists.postgresql.org, nathandbossart@gmail.com
Date: 2023-08-04T02:09:58Z
Lists: pgsql-hackers

Attachments

On Thu, 3 Aug 2023 at 16:59, Tatsuo Ishii <ishii@sraoss.co.jp> wrote:

> > On Thu, 3 Aug 2023 at 13:25, Tatsuo Ishii <ishii@sraoss.co.jp> wrote:
> >
> >> > Greetings,
> >> >
> >> > Attached is a patch which introduces a file protocol.h. Instead of
> using
> >> > the actual characters everywhere in the code this patch names the
> >> > characters and removes the comments beside each usage.
> >>
> >> > +#define DESCRIBE_PREPARED           'S'
> >> > +#define DESCRIBE_PORTAL             'P'
> >>
> >> You use these for Close message as well. I don't like the idea because
> >> Close is different message from Describe message.
> >>
> >> What about adding following for Close too use them instead?
> >>
> >> #define CLOSE_PREPARED           'S'
> >> #define CLOSE_PORTAL             'P'
> >>
> >
> > Good catch.
> > I recall when writing this it was a bit hacky.
> > What do you think of PREPARED_SUB_COMMAND   and PORTAL_SUB_COMMAND
> instead
> > of duplicating them ?
>
> Nice. Looks good to me.
>
New patch attached which uses  PREPARED_SUB_COMMAND   and
PORTAL_SUB_COMMAND instead
and uses
PQMSG_REQ_* and  PQMSG_RESP_*  as per Alvaro's suggestion

Dave Cramer

Commits

  1. Introduce macros for protocol characters.

  2. Remove configure check for z_streamp