Re: Using defines for protocol characters

From: Dave Cramer <davecramer(at)gmail(dot)com>
To: Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, nathandbossart(at)gmail(dot)com
Subject: Re: Using defines for protocol characters
Date: 2023-08-04 02:09:58
Message-ID: CADK3HH+-=08kd-aNCOP9s7fCZHUxrUBvVx5cyBJZzHD49wzPQA@mail.gmail.com
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On Thu, 3 Aug 2023 at 16:59, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> wrote:

> > On Thu, 3 Aug 2023 at 13:25, Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)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

Attachment Content-Type Size
0001-Created-protocol.h.patch application/octet-stream 53.2 KB

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