On 2015-06-22 21:05:52 -0400, Robert Haas wrote:
> Interesting idea. We could consider the set of stats files a database
> unto itself and reserve a low-numbered OID for it. The obvious thing
> to do is use the database's OID as the relfilenode, but then how do
> you replace the stats file?
The relmapper infrastructure should be able to take care of that.
Regards,
Andres