Thread: Re: CASCADING could not open relation with OID

Re: CASCADING could not open relation with OID

From
"Silvela, Jaime \(Exchange\)"
Date:
I get values frin the first statement but not from the second.
After setting indexscan to off, still the same thing.

Should this setting be off in general?

-----Original Message-----
From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
Sent: Wednesday, August 23, 2006 6:15 PM
To: Silvela, Jaime (Exchange)
Cc: pgsql-general
Subject: Re: [GENERAL] CASCADING could not open relation with OID

"Silvela, Jaime \(Exchange\)" <JSilvela@Bear.com> writes:
> If I try to read from one, I get ERROR:  could not open relation with
> OID 16896
> If I try to redefine it, I get ERROR:  relation "bb_master" already
> exists
> If I try to DROP it, ERROR:  cache lookup failed for relation 16896

What do you get from
    select oid, * from pg_class where relname = 'bb_master';
    select oid, * from pg_class where oid = 16896;

If either one fails to get a hit, try it again after doing
    set enable_indexscan = off;

> How can I get around this? What's happening?

Hard to tell.  It sounds a bit like pg_class catalog damage, but the
above experiment will tell us more.

            regards, tom lane



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Re: CASCADING could not open relation with OID

From
Tom Lane
Date:
"Silvela, Jaime \(Exchange\)" <JSilvela@bear.com> writes:
> I get values frin the first statement but not from the second.

What values exactly ... particularly the OID?

> After setting indexscan to off, still the same thing.
> Should this setting be off in general?

Certainly not!  That was just an experiment to see if your problem was
corruption of the indexes on pg_class.  Seems like not.

            regards, tom lane