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help / color / mirror / Atom feedFrom: Nikolay Samokhvalov <[email protected]>
To: Laurenz Albe <[email protected]>
Cc: [email protected]
Subject: Re: [PATCH] Doc: clarify that pg_upgrade statistics transfer works cross-version
Date: Tue, 24 Mar 2026 05:36:42 -0700
Message-ID: <CAM527d89GmcMV5GD2PXS-a3ay3YE-HVSwV4NT0_o2ySf_5v8Kw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAM527d_Qt9ZGt99vgTaidfObRiDH0R5F_uEfum9zHeZbc+LwCQ@mail.gmail.com>
<[email protected]>
On Mon, Mar 23, 2026 at 23:59 Laurenz Albe <[email protected]> wrote:
...
> I think that your patch offers too much detail,
> like from which relations the statistics are extracted. Anybody
> who wants to know that level of detail probably has to read the
> source code anyway.
>
> How about adding a simple remark, like
>
> --- a/doc/src/sgml/ref/pgupgrade.sgml
> +++ b/doc/src/sgml/ref/pgupgrade.sgml
> @@ -837,6 +837,8 @@ psql --username=postgres --file=script.sql postgres
> all statistics, such as those created explicitly with
> <xref linkend="sql-createstatistics"/>, custom statistics added by
> an extension, or statistics collected by the cumulative statistics
> system.
> + Transferring optimizer statistics works regardless of the old
> cluster's
> + major version.
> </para>
>
> <para>
That would work too -- my goal was just to resolve confusion.
Nik
>
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Subject: Re: [PATCH] Doc: clarify that pg_upgrade statistics transfer works cross-version
In-Reply-To: <CAM527d89GmcMV5GD2PXS-a3ay3YE-HVSwV4NT0_o2ySf_5v8Kw@mail.gmail.com>
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