Re: [HACKERS] Table corrupt?

Bruce Momjian <maillist@candle.pha.pa.us>

From: Bruce Momjian <maillist@candle.pha.pa.us>
To: bibach@infomansol.com (Brandon Ibach)
Cc: hackers@postgresql.org
Date: 1998-06-09T21:16:41Z
Lists: pgsql-hackers
> 
> Bruce Momjian said:
> > 
> > >    Any ideas on what might be going on here?  And, if postgres won't
> > > be able to access the table, is there any hope of extracting rows from
> > > the raw database file, such that I could reconstruct the table?
> > 
> > pg_dump -t tablename, drop and reload?
> > 
>    I thought pg_dump got the data out via queries through the backend?
> (But, then, I could be wrong... please correct me if so...)
> 
> -Brandon :)
> 

I gets the data out via COPY, which is slightly different than a normal
query that does through the parser/optimizer/executor.  It is possible
you just have a lot of extra data and it is taking time to vacuum.

If there is a real problem, I would dump the entire database and reload
it.

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