From: Sebastien Flaesch <sebastien.flaesch@4js.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: pgsql-sql <pgsql-sql@lists.postgresql.org>
Subject: Re: Global setting for ORDER BY ... NULLS FIRST / LAST
Date: Wed, 2 Mar 2022 12:23:08 +0000
Message-ID: <DBAP191MB12892A80916C970A1B8AE5A5B0039@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <2837300.1646146946@sss.pgh.pa.us>
References: <DBAP191MB12893AA929975291A05E2938B0029@DBAP191MB1289.EURP191.PROD.OUTLOOK.COM>
<CAKFQuwY-dmsURUBHqjbrMN6vtezExhZYzHHUU_GSNgwWABisOQ@mail.gmail.com>
<2837300.1646146946@sss.pgh.pa.us>
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
EXTERNAL: Do not click links or open attachments if you do not recognize the sender.
"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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Subject: Re: Global setting for ORDER BY ... NULLS FIRST / LAST
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