Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order. - Mailing list pgsql-sql

From Adrian Klaver
Subject Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.
Date
Msg-id 56B980D1.7010509@aklaver.com
Whole thread Raw
In response to Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.  ("Venkatesan, Sekhar" <sekhar.venkatesan@emc.com>)
Responses Re: Question on PostgreSQL DB behavior w.r.t JOIN and sort order.
List pgsql-sql
On 02/08/2016 09:53 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?

What columns in a table would that be and then what order?

>
> *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 <mailto: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.
>


-- 
Adrian Klaver
adrian.klaver@aklaver.com



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