Okay understood. We had planned to do something along this line of having a
where condition for the extension or putting the custom spatial_ref_sys in a
separate table but hand't decided which way to go. So that will take care of
the handling custom records issue.
So I guess the more major issue is a won't fix on both sides since a user
will not be able to backup custom records without backing up the whole
database. I don't see any option in 9.1 or 9.2 pg_dump to explicitly backup
an extension and even backing up the schema an extension is installed in
doesn't seem to do the trick.
I would have expected backing up the schema an extension is installed in
would backup the extension. Is that expected behavior that it doesn't?
> -----Original Message-----
> From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> Sent: Sunday, May 20, 2012 1:28 PM
> To: lr(at)pcorp(dot)us
> Cc: pgsql-bugs(at)postgresql(dot)org
> Subject: Re: [BUGS] BUG #6640: pg_dump does not always dump
> data of tables marked as editable in extension
> lr(at)pcorp(dot)us writes:
> > This seems to be only an issue if a user individually chooses to
> > backup a table marked as editable in an extension, but
> works fine if
> > full backup is chosen.
> AFAICT this is a misunderstanding of the intended behavior of
> extension configuration tables. The data in them will be
> dumped when, and only when, the extension itself is included
> in the dump. Moreover, if you have a mixture of
> extension-provided and user-provided data in the table, as
> seems to be the case here, you really need to take measures
> to keep those separate so that you can dump only the
> user-provided entries.
> This is not a "fire and forget" type of feature, it requires
> nontrivial effort on the part of the extension author to make
> it useful. Please see
> regards, tom lane
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