From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Speedup generation of command completion tags |
Date: | 2022-12-15 21:33:13 |
Message-ID: | CAApHDvqbTpcWeuvQVa9kS0TXtnoVc6i-brGJS=V-qDUnR3rgaw@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, 12 Dec 2022 at 14:48, David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
>
> On Sun, 11 Dec 2022 at 11:05, Andres Freund <andres(at)anarazel(dot)de> wrote:
> > What about moving make_completion_tag() to cmdtag.c? Then we could just get
> > the entire CommandTagBehaviour struct at once. It's not super pretty to pass
> > QueryCompletion to a routine in cmdtag.c, but it's not awful. And if we deem
> > it problematic, we could just pass qc->commandTag, qc->nprocessed as a
> > separate arguments.
>
> That seems like a good idea. I've renamed and moved the function in
> the attached. I also adjusted how the trailing NUL char is appended to
> avoid having to calculate len + 1 and append the NUL char twice for
> the most commonly taken path.
I've pushed the updated patch. Thanks for having a look.
David
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