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

On 2018-Aug-06, Peter Geoghegan wrote:

> On Mon, Aug 6, 2018 at 1:37 PM, Peter Geoghegan <pg@bowt.ie> wrote:
> > To be clear, I mean that the leader process's worker state has the
> > right relfilenode (the leader process always participates as a
> > worker), but all worker processes have the stale relfilenode.
> 
> Sure enough, that's what the bug is - a few debugging calls to
> RelationMapFilenodeToOid() within nbtsort.c proves it.

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?

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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