Josip Rodin <joy+pg...@entuzijast.net> writes:
> On Mon, Oct 19, 2015 at 11:42:38AM +0200, Andres Freund wrote:
>>>> That's the wrong query. The files on disk are relefilenodes not
>>>> oids. Try WHERE pg_relation_filenode(oid) IN ...
> Oh, sorry, but yet again, there's just nothing there:
> % sudo -H -u postgres psql mydb -c "SELECT oid, relname, relkind FROM
> pg_catalog.pg_class WHERE pg_relation_filenode(oid) IN (7877054, 7877056);"
> oid | relname | relkind
> -----+---------+---------
> (0 rows)
Seeing that those files are all of similar date, I wonder if they are
tables that got orphaned in a crash, ie, the pg_class rows were removed
but the backend crashed before physically unlinking the files.
Anyway, if you've satisfied yourself that there are no pg_class entries
for these files, you could just manually remove the files.
I concur with Adrian's nearby suggestion of checking for rows with
reltablespace matching the tablespace's OID before you do anything
drastic, though.
regards, tom lane
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