pg_class corrupted ?

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От Bruno THOMAS
Тема pg_class corrupted ?
Дата
Msg-id 40D18921.3000609@alea.fr
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Ответы Re: pg_class corrupted ?  (Tom Lane <tgl@sss.pgh.pa.us>)
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Hi all,


After a severe HD crash and the impossibility to read old DAT with our
new DAT drive, I've been able to copy $PGDATA/base/mabase on a new HD.
I've found all the tables data, and even the java intranet based on it
is working fine.

My problem is that when I tried to make a dump of the copied DB for a
new backup I've had the following error :
pg_dump: query to obtain list of tables failed: ERROR:  Relation
pg_class does not have attribute 1

I can run psql but \dt causes this error :
ERROR:  Relation pg_class does not have attribute 3

I can make a select * from pg_class but when I select a column from it
(i.e. 'select relname from pg_class'), I have the error again :
ERROR:  Relation pg_class does not have attribute 1.

As I'm not a specialist, I can't find a solution or workaround for this
problem, I've not been able to find a solution on the net or forums.
Anybody has an idea ?

Thanks.

Bruno Thomas

PS: postresql version is 7.2.1


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