Re: error in postgresql

Hi,Firstly I'm Sorry for the delay in replying.When I gave a search for core file I didn't seems to
exist.pg_dump didnot create the core filewell if i tried to even query the table of the database it 
would directly close  the connection with the backend giving the
prompt like #> and displaying a similar message shown below.Pls direct me.

-TIA
Sharmad
Pls cc a copy to sharmad@softhome.net

On Tue, Oct 30, 2001 at 04:46:56PM -0500, Tom Lane wrote:
> sharmad@goatelecom.com writes:
> > postgres@linux:~ > pg_dumpall > alllms_30-10-2001.bak
> > SQL query to dump the contents of Table 'common_to_three' did not execute.  Explanation from backend: 'pqReadData()
--backend closed the channel unexpectedly.
 
> >     This probably means the backend terminated abnormally
> >     before or while processing the request.
> > '.
> > The query was: 'COPY "common_to_three" TO stdout;
> 
> Hm.  The only cases I can recall of backend crashes during COPY OUT
> were caused by corrupted data.  Do you get similar failures if you
> do "SELECT * FROM common_to_three"?
> 
> You could investigate more closely by using gdb to look at the core
> file left by the crashed backend.  A backtrace would give us at least
> some idea of the nature of the problem.


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