Re: ERROR: tablespace "archive2" is not empty

On 2015-10-19 11:14:33 +0200, Josip Rodin wrote:
> On Mon, Oct 19, 2015 at 11:06:59AM +0200, Andres Freund wrote:
> > Hi,
> >
> > On 2015-10-19 10:49:11 +0200, Josip Rodin wrote:
> > > % sudo -H -u postgres psql mydb -c "SELECT oid, relname, relkind FROM pg_catalog.pg_class where oid IN (7877054,
7877056);"
> > >  oid | relname | relkind
> > > -----+---------+---------
> > > (0 rows)
> >
> > That's the wrong query. The files on disk are relefilenodes not
> > oids. Try WHERE pg_relation_filenode(oid) IN ...
>
> Oh, okay, but still:
>
> % sudo -H -u postgres psql mydb -c "SELECT pg_relation_filenode(7877054);"
>  pg_relation_filenode
> ----------------------
>
> (1 row)

Please actually run the query I suggested
above. pg_relation_filenode(oid) returns the relfilenode of the table
with the passed in oid - which you then compare with the relfilenode you
saw on disk.

Greetings,

Andres Freund