Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.

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От Rob Sargent
Тема Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.
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Msg-id 56B97FD1.4070008@gmail.com
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Ответ на Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.  ("Venkatesan, Sekhar" <sekhar.venkatesan@emc.com>)
Ответы Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.  ("David G. Johnston" <david.g.johnston@gmail.com>)
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On 02/08/2016 10:53 PM, Venkatesan, Sekhar wrote:

Yes. is there an option/configuration to tell the postgres optimizer/planner to generate plans to include the sort order instead of speed?

 

From: David G. Johnston [mailto:david.g.johnston@gmail.com]
Sent: Tuesday, February 09, 2016 11:20 AM
To: Venkatesan, Sekhar
Cc: Tom Lane; pgsql-sql@postgresql.org
Subject: Re: [SQL] Question on PostgreSQL DB behavior w.r.t JOIN and sort order.

 

On Monday, February 8, 2016, Venkatesan, Sekhar <sekhar.venkatesan@emc.com> wrote:

Is there a way to tell the optimizer to retain the sort order if that is possible please?

 

 

You mean, besides the ORDER BY clause?

 

David J. 

Which order would that be?

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