Re: Should we add GUCs to allow partition pruning to be disabled?

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От Alvaro Herrera
Тема Re: Should we add GUCs to allow partition pruning to be disabled?
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Msg-id 20180512153011.4yjbwkbo3bpbqpdd@alvherre.pgsql
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Ответ на Re: Should we add GUCs to allow partition pruning to be disabled?  (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>)
Ответы Re: Should we add GUCs to allow partition pruning to be disabled?  (David Rowley <david.rowley@2ndquadrant.com>)
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Hello

Amit Langote wrote:

> +1 to this more radical overhaul of this part of the documentation.

Thanks.  I pushed now after some more tweaking, including your suggested
corrections.  I removed the examples, because they were both wrong.  We
can give this more polish if anybody has the energy, but I think we're
in a pretty decent place now.

I'm not convinced that we need to show so much detail on pruning as
proposed by Robert elsewhere; we didn't have a lot of detail for
exclusion either and I don't have any evidence that it was a terrible
problem for users.  Also, one possible use of the new GUC is that you
can compare plans if you so wish.

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


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