Re: pg_upgrade: fail early if a tablespace dir already exists for new cluster version

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От Bruce Momjian
Тема Re: pg_upgrade: fail early if a tablespace dir already exists for new cluster version
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Msg-id 20201016003743.GI3797@momjian.us
обсуждение исходный текст
Ответ на Re: pg_upgrade: fail early if a tablespace dir already exists for new cluster version  (Andres Freund <andres@anarazel.de>)
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On Thu, Oct 15, 2020 at 05:19:59PM -0700, Andres Freund wrote:
> Hi,
> 
> On 2020-10-15 19:35:30 -0400, Bruce Momjian wrote:
> > On Fri, Oct  9, 2020 at 07:42:51PM -0400, Bruce Momjian wrote:
> > > On Fri, Oct  9, 2020 at 02:23:10PM -0500, Justin Pryzby wrote:
> > > > In my local branch, I had revised this comment to say:
> > > > 
> > > > + * Note, v8.4 has no tablespace_suffix, which is fine so long as the version we
> > > > + * being upgraded *to* has a suffix, since it's not allowed to pg_upgrade from
> > > > + * a version to the same version if tablespaces are in use.
> > > 
> > > OK, updated patch attached.  Also, from your original patch, I didn't
> > > need to call canonicalize_path() since we are not comparing paths, and I
> > > didn't need to include common/relpath.h.  I also renamed a variable.
> > 
> > Patch applied to all supported versions.  Thanks for the report, and the
> > patch.  While I listed you as reporter, I forgot to list you as the
> > patch author --- Tom, can you remember that for the minor release notes
> > please?  Thanks
> 
> This fails on some animals <= 11, because we didn't yet rely on C99.
> 
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=rhinoceros&dt=2020-10-15%2023%3A52%3A04
> check.c:503:2: error: \342\200\230for\342\200\231 loop initial declarations are only allowed in C99 mode
>   for (int tblnum = 0; tblnum < os_info.num_old_tablespaces; tblnum++)

Thanks, fixed.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee




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