Re: Upgrading from 7.4 to 8.1

Thank you! Yes, there was a bogus user with a name ^c, which we dropped.

Tom Lane wrote:
> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>> What are the exact options? I tried to reproduce it here, using a 8.1
>> and 8.2 pg_dumpall, and a 7.4 server, and couldn't.
>
>>> CREATE ROLE "";
>>> ALTER ROLE "" WITH NOSUPERUSER INHERIT NOCREATEROLE NOCREATEDB LOGIN;
>
>> This is weird anyway -- do you really have a role named "" (empty
>> string)?
>
> It's not "empty string", it's '\003' as shown by the failure:
>
> query was: SELECT useconfig[1] FROM pg_shadow WHERE usename = E'\003'
>
> The problem is evidently that appendStringLiteral tries to use E syntax
> in an inappropriate context, ie, while talking to a server that doesn't
> understand it. This is fixed in HEAD (by using appendStringLiteralConn)
> but I'm not sure if there is any very good way to fix it in the back
> branches.
>
> In the short term, Naomi's best workaround is surely to drop or rename
> that user ... it hardly seems likely that the name is anything but a
> typo.
>
> regards, tom lane

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Naomi Walker Chief Information Officer
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