Re: trailing comment ghost-timing

From: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: Andreas Karlsson <andreas(at)proxel(dot)se>, David Johnston <polobo(at)yahoo(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: trailing comment ghost-timing
Date: 2013-12-24 10:40:35
Message-ID: CAFcNs+pkCAzhxJw63Chf2ni6ma89WevBEj3xzuR_QcWaZDNpdg@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

On Tue, Dec 24, 2013 at 5:53 AM, Martijn van Oosterhout <kleptog(at)svana(dot)org>
wrote:
>
> On Tue, Dec 24, 2013 at 03:40:58AM +0100, Andreas Karlsson wrote:
> > On 12/24/2013 03:17 AM, David Johnston wrote:
> > It is not sent to the server as a trailing comment. The following
> > file is sent to the server like this.
> >
> > File:
> > /**/;
> > /**/
> >
> > Commands:
> > PQexec(..., "/**/;");
> > PQexec(..., "/**/");
> >
> > If this has to be fixed it should be in the client. I think people
> > would complain if we broke the API by starting to throw an exception
> > on PQexec with a string containing no actual query.
>
> (Untested). Isn't this just a case of psql not printing out a timing if
> the server responds with PGRES_EMPTY_QUERY?
>

Works... look to the attached patch!

Regards,

--
Fabrízio de Royes Mello
Consultoria/Coaching PostgreSQL
>> Timbira: http://www.timbira.com.br
>> Blog sobre TI: http://fabriziomello.blogspot.com
>> Perfil Linkedin: http://br.linkedin.com/in/fabriziomello
>> Twitter: http://twitter.com/fabriziomello

Attachment Content-Type Size
psql-trailing-comment-ghost-timing-v1.patch text/x-diff 541 bytes

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Craig Ringer 2013-12-24 10:46:22 Re: varattno remapping
Previous Message Martijn van Oosterhout 2013-12-24 07:53:01 Re: trailing comment ghost-timing