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Re: Weird behavior with "sensitive" cursors.

  • From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
  • To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • Cc: Daniel F <dbf13db(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
  • Subject: Re: Weird behavior with "sensitive" cursors.
  • Date: Wed, 30 Sep 2009 21:26:11 -0400
  • Message-id: <20091001012611.GO8280@alvh.no-ip.org> <text/plain>
Tom Lane escribió:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
> > Tom Lane escribió:
> >> I think we need to ensure that when a cursor is created, it obtains a
> >> private copy of the current snapshot ... but I'm not sure where that
> >> ought to happen.  Thoughts?
> 
> > Maybe you are right, but I don't think that's the only bug here.
> 
> Well, the first problem is that 8.4 is failing to duplicate the
> historical behavior.

Oh!  That's easy.

> After that we can think about whether we'd like to
> change the historical behavior.  I'm not entirely convinced about that
> yet (and it certainly wouldn't be something I'd want to back-patch).

I don't care enough about that to spend much time on it ...

-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

Attachment: portal-snap.patch
Description: Text Data

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