Re: Avoid parallel full and right join paths.

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От Alvaro Herrera
Тема Re: Avoid parallel full and right join paths.
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Msg-id 20160421014329.GA975337@alvherre.pgsql
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Ответ на Re: Avoid parallel full and right join paths.  (Michael Paquier <michael.paquier@gmail.com>)
Ответы Re: Avoid parallel full and right join paths.  (Peter Geoghegan <pg@heroku.com>)
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Michael Paquier wrote:
> On Thu, Apr 21, 2016 at 7:13 AM, Peter Geoghegan <pg@heroku.com> wrote:
> > On Wed, Apr 20, 2016 at 2:49 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> >> Committed.  But I think the regression test needs more thought, so I
> >> left that out.
> >
> > It would be nice if there was a fuzz testing infrastructure that
> > verified that parallel plans produce the same answer as serial plans.
> 
> Results of parallel plans and serial plans could be stored in
> temporary tables in the test, then that's a matter of comparing them I
> guess. That's largely doable.

The brin.sql test does that ...

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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