Re: Global setting for ORDER BY ... NULLS FIRST / LAST

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От Sebastien Flaesch
Тема Re: Global setting for ORDER BY ... NULLS FIRST / LAST
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Msg-id DBAP191MB12892A80916C970A1B8AE5A5B0039@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM
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Ответ на Re: Global setting for ORDER BY ... NULLS FIRST / LAST  (Tom Lane <tgl@sss.pgh.pa.us>)
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OK I understand.
Seb

From: Tom Lane <tgl@sss.pgh.pa.us>
Sent: Tuesday, March 1, 2022 4:02 PM
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: Sebastien Flaesch <sebastien.flaesch@4js.com>; pgsql-sql <pgsql-sql@lists.postgresql.org>
Subject: Re: Global setting for ORDER BY ... NULLS FIRST / LAST
 
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"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Tue, Mar 1, 2022 at 7:16 AM Sebastien Flaesch <sebastien.flaesch@4js.com>
> wrote:
>> Is there a global PostgreSQL server setting or SQL session parameter that
>> defines the default for   ORDER BY ... NULLS FIRST / LAST ?

> IMO, not enough of a benefit to spend development time on.  Having global
> configuration like this is something that should be, and in general is,
> avoided.  Most of the exceptions to this have been regretted.

Yeah.  We have generally found that settings that change query semantics
are a net evil.

                        regards, tom lane

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