Re: BUG #15309: ERROR: catalog is missing 1 attribute(s) for relid760676 when max_parallel_maintenance_workers > 0

On Mon, Aug 6, 2018 at 3:10 PM, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> Uh, that's weird, isn't it?  I mean, why is the relfilenode changing
> underneath?  Why isn't it blocked by the CREATE INDEX?  Or is CREATE
> INDEX inflicting that upon itself?

CREATE INDEX/nbtsort.c does not take any special interest in
relfilenode, or anything like that.

As Tom said, this is a failure to propagate the process-local state of
relmapper.c into the worker processes. Or a failure to account for the
fact that that doesn't happen, perhaps.

-- 
Peter Geoghegan