Re: HELP pls

From: "spol(at)mail(dot)ru" <spol(at)mail(dot)ru>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)commandprompt(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: HELP pls
Date: 2008-04-24 11:19:42
Message-ID: 48106CCE.7030701@mail.ru
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how to dump it ???
pg_dump is not working :
pg_dump: query to obtain list of schemas failed: ERROR: more than one
row returned by a subquery used as an expression

Tom Lane пишет:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>
>> spol(at)mail(dot)ru wrote:
>>
>>> I don't know how, but i got 2 postgres users.
>>>
>
>
>> You've got transaction wraparound problems. Start here:
>>
>
> Vacuuming isn't gonna help though. The tuple at (0,2) has been frozen,
> which means that vacuum has certainly been run on the table since the
> update; so he's wrapped around so far that vacuum doesn't think it can
> remove the (0,1) tuple.
>
> I assume the OP is just trying to dump this database so he can upgrade
> to something remotely modern. It might work to change the second
> tuple's usesysid to something else (eg, 2) so that pg_dump doesn't
> see multiple rows matching other objects' owner fields.
>
> regards, tom lane
>
>
>

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