| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Jeff Davis <pgsql(at)j-davis(dot)com>, jian he <jian(dot)universality(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Statistics Import and Export |
| Date: | 2024-11-27 15:00:02 |
| Message-ID: | 202411271500.ooa5pt3nb5kp@alvherre.pgsql |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2024-Nov-27, Bruce Momjian wrote:
> On Wed, Nov 27, 2024 at 02:44:01PM +0100, Magnus Hagander wrote:
> > If you want to avoid both the surprise and confusion factor mentioned before,
> > maybe what's needed is to *remove* --analyze-in-stages, and replace it with
> > --analyze-missing-in-stages and --analyze-all-in-stages (with the clear warning
> > about what --analyze-all-in-stages can do to your system if you already have
> > statistics).
> >
> > That goes with the "immediate breakage that you see right away is better than
> > silently doing the unexpected where you might not notice the problem until much
> > later".
> >
> > That might trade some of that surprise and confusion for annoyance instead, but
> > going forward that might be a clearer path?
>
> Oh, so remove --analyze-in-stages and have it issue a suggestion, and
> make two versions --- yeah, that would work too.
Maybe not remove the option, but add a required parameter:
--analyze-in-stages=all / missing
That way, if the option is missing, the user can adapt the command line
according to need.
--
Álvaro Herrera PostgreSQL Developer — https://www.EnterpriseDB.com/
"How amazing is that? I call it a night and come back to find that a bug has
been identified and patched while I sleep." (Robert Davidson)
http://archives.postgresql.org/pgsql-sql/2006-03/msg00378.php
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