Re: PostgreSQL 8.1.0 catalog corruption

On Nov 21, 2005, at 1:59 PM, Tom Lane wrote:

> Bob Ippolito <bob@redivi.com> writes:
>> The attributes look like the names of all the columns in the table,
>> and reindexing didn't help.
>
> So at this point it seems that the pg_class row disappeared, but there
> probably wasn't any actual DROP operation --- you'd think at least  
> some
> of those other entries would have been deleted by a DROP.
>
> My next guess is that the pg_class row simply got clobbered somehow,
> eg its xmin field got set to something ridiculous.  The only way I can
> think of to investigate that is to dump out the contents of pg_class
> with pg_filedump --- are you game for that?  If so, get the right
> version of pg_filedump from
> http://sources.redhat.com/rhdb/utilities.html
> and run it with the -i -f options (usually produces the most helpful
> output, in my experience).

This is 8.1.0, can I use pg_dump 4.0 with that?  The entire database  
is 39GB, there's a way to just get pg_class, right?

-bob