Re: Query Optimizer + Parallel Operators

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От Dusan Misic
Тема Re: Query Optimizer + Parallel Operators
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Msg-id AANLkTi=aKf_HVzx7TS4MHCwphCuPz+i_Qr3nEFiSBxKo@mail.gmail.com
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Ответ на Re: Query Optimizer + Parallel Operators  (Josh Berkus <josh@agliodbs.com>)
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This is kinda scary .....

Oracle guy asking for PostgreSQL documentation and internals of the optimizer.



On Thu, Jan 27, 2011 at 12:14 AM, Josh Berkus <josh@agliodbs.com> wrote:
Felix,

> I'm interested in the query optimizer of PostgreSQL DB. Where could I
> find useful documentation or could you send me a pointer in the source code?
>
> What kind of parallelism does PostgreSQL use for operators, like
> selection or join?

Normally we're very helpful with this kind of information ... it's all
public after all ... but I have to say that the domain you're e-mailing
from makes it a little hard to give you a direct answer.

Could you maybe give us a little information about what you want this
information for?

--
                                 -- Josh Berkus
                                    PostgreSQL Experts Inc.
                                    http://www.pgexperts.com

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