Re: Cost-based optimizers

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От Rod Taylor
Тема Re: Cost-based optimizers
Дата
Msg-id 1134569119.75120.58.camel@home
обсуждение исходный текст
Ответ на Re: Cost-based optimizers  (Martijn van Oosterhout <kleptog@svana.org>)
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> Ofcourse, this is another can of worms. To do this you would have to be
> able to have the failed query provide hints to the planner telling it
> where it went wrong. Now, it may be possible to provide (via
> post-mortem of an execution) a list of actual selectivites like:

Just being able to provide hints to go with EXPLAIN ANALYZE results
would be useful.

-- 



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