Re: Suggested "easy" TODO: pg_dump --from-list

From: Joachim Wieland <joe(at)mcknight(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Suggested "easy" TODO: pg_dump --from-list
Date: 2010-11-24 14:05:16
Message-ID: AANLkTinUCX6NsegfpY4Py0cjPCfV6jva3tnQtWkuAtgh@mail.gmail.com
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On Wed, Nov 24, 2010 at 1:15 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Nope ... those strings are just helpful comments, they aren't really
> guaranteed to be unique identifiers.  In any case, it seems unlikely
> that a user could expect to get the more complicated cases exactly right
> other than by consulting "pg_dump | pg_restore -l" output.  Which makes
> the use-case kind of dubious to me.

In which case would the catalogId, i.e. (tableoid, oid) not be unique?
Or do you rather mean that it does not necessarily refer to the same
object if that object got somehow recreated or that it could be
different on different installations of the same database?

Thanks,
Joachim

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