Horton

Re: BUG #15309: ERROR: catalog is missing 1 attribute(s) for relid 760676 when max_parallel_maintenance_workers > 0

Peter Geoghegan <pg@bowt.ie>

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From: Peter Geoghegan <pg@bowt.ie>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: deathlock13@gmail.com, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>, Robert Haas <robertmhaas@gmail.com>
Date: 2018-08-09T17:58:55Z
Lists: pgsql-bugs 
On Thu, Aug 9, 2018 at 10:34 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I took a quick look at these.  The v11 patch seems OK as far as it goes,
> but I wonder if you shouldn't also include the RelationMapUpdateMap
> hunk from the master patch, ie adding rejection of map changes in parallel
> mode.

Good idea. I'll do that.

> I don't have any objection to the master patch, but it'd be good to get
> a +1 from someone who's spent more time with the parallelism
> infrastructure than I have.

That would be my preference too, but commit 29d58fd3 is very analogous
to the proposed master branch fix, so I feel that it's reasonable to
proceed without final approval from someone like Robert or Amit. I'll
leave pushing until late in the day tomorrow, pacific time.

-- 
Peter Geoghegan

Commits

  1. Handle parallel index builds on mapped relations.

  2. Transfer state pertaining to pending REINDEX operations to workers.