Re: Performance bug in prepared statement binding in 9.2?

From: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Kevin Grittner <kgrittn(at)ymail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Amit Kapila <amit(dot)kapila(at)huawei(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Performance bug in prepared statement binding in 9.2?
Date: 2014-11-10 18:59:36
Message-ID: CAMkU=1z_LFv9msivo11cH7WEdZ1+WVtbn0wb_YxKDHapYo22cA@mail.gmail.com
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On Mon, Nov 10, 2014 at 10:48 AM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:

> On 12/31/2013 09:55 AM, Tom Lane wrote:
> > Josh Berkus <josh(at)agliodbs(dot)com> writes:
> >> Tom,
> >>> There's an abbreviated version of this argument in the comments in
> >>> my proposed patch at
> >>> http://www.postgresql.org/message-id/11927.1384199294@sss.pgh.pa.us
> >>> What I'm hoping will happen next is that the complainants will
> hot-patch
> >>> that and see if it fixes their problems. We can't really determine
> >>> what to do without that information.
> >
> >> Unfortunately, the original reporter of this issue will not be available
> >> for testing for 2-3 weeks, and I haven't been able to devise a synthetic
> >> test which clearly shows the issue.
> >
> > Ping? I've been waiting on committing that patch pending some real-world
> > testing. It'd be nice to resolve this question before we ship 9.3.3,
> > which I'm supposing will be sometime in January ...
>
> Did this patch every make it in? Or did it hang waiting for verification?
>

It made it in:

commit 4162a55c77cbb54acb4ac442ef3565b813b9d07a
Author: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Date: Tue Feb 25 16:04:09 2014 -0500

Cheers,

Jeff

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