From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Joshua Berry <yoberi(at)gmail(dot)com>, PostgreSQL - General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Segmentation fault with core dump |
Date: | 2013-04-10 23:32:16 |
Message-ID: | 20130410233216.GE7547@awork2.anarazel.de |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On 2013-04-10 19:06:12 -0400, Tom Lane wrote:
> I wrote:
> > (Wanders away wondering just how much the regression tests exercise
> > holdable cursors.)
>
> And the answer is they're not testing this code path at all, because if
> you do
> DECLARE c CURSOR WITH HOLD FOR ...
> FETCH ALL FROM c;
> then the second query executes with a portal (and resource owner)
> created to execute the FETCH command, not directly on the held portal.
>
> After a little bit of thought I'm not sure it's even possible to
> reproduce this problem with libpq, because it doesn't expose any way to
> issue a bare protocol Execute command against a pre-existing portal.
> (I had thought psqlOBC went through libpq, but maybe it's playing some
> games here.)
Hm. PQexecPrepared() looks like it can do that.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
From | Date | Subject | |
---|---|---|---|
Next Message | Joshua Berry | 2013-04-10 23:34:21 | Re: Segmentation fault with core dump |
Previous Message | Tom Lane | 2013-04-10 23:29:06 | Re: Segmentation fault with core dump |