Re: Unable to drop extension dblink

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On 19/9/23 11:16, Tom Lane wrote:
Matt Gibbins <matt_gibbins@xxxxxxxxxxxxxxx> writes:
In the process of removing extensions not required on the database I was
in the process of removing the dblink extension from the postgres database.
First attempt to drop the extension failed with 'ERROR: schema
"ag_catalog" does not exist'.
Something is very broken there.  I wonder if this error could be a
corrupted reference to "pg_catalog" --- but I don't really see what
the details could be, because we don't store schema references as
textual names, rather OIDs.  Your follow-on errors also look more
like catalog corruption than anything sane.  With only these limited
factoids to look at, it's impossible to say just what's going on
--- but creating bogus objects in response to these errors is
unlikely to get you anywhere.  What PG version is this, what's
the installation's history, have you suffered any catastrophic
failures in the recent past?

			regards, tom lane



The PG version information is PostgreSQL 15.4 (Debian 15.4-2.pgdg120+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit.

The database was upgraded from version 13 to 15 in March this year.

This problem has only just now started occurring.

Not aware of any catastrophic failures. Though have had instances of queries segfaulting.



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