On Mon, Oct 19, 2015 at 04:39:55AM -0500, Jim Nasby wrote:
> On 10/19/15 4:14 AM, 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)
> >
> >% sudo -H -u postgres psql mydb -c "SELECT pg_relation_filenode(7877056);"
> > pg_relation_filenode
> >----------------------
>
> pg_relation_filenode accepts the OID of a table. For what you're
> trying to do you'd need pg_relation_filenode(tablespace oid,
> relfilenode).
That function, with two integer parameters, does not exist on this
PostgreSQL (9.1).
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