Re: Transient plans versus the SPI API

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От Jeff Davis
Тема Re: Transient plans versus the SPI API
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Msg-id 1312502322.21934.12.camel@jdavis-ux.asterdata.local
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Ответ на Re: Transient plans versus the SPI API  (Robert Haas <robertmhaas@gmail.com>)
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On Wed, 2011-08-03 at 13:07 -0400, Robert Haas wrote:
> A little OT here, but (as I think Simon said elsewhere) I think we
> really ought to be considering the table statistics when deciding
> whether or not to replan.  It seems to me that the overwhelmingly
> common case where this is going to come up is when (some subset of)
> the MCVs require a different plan than run-of-the-mill values.  It
> would be nice to somehow work that out.

That blurs the line a little bit. It sounds like this might be described
as "incremental planning", and perhaps that's a good way to think about
it.

Regards,Jeff Davis



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