Re: [HACKERS] Logical replication in the same cluster

On 2017-05-01 11:31:53 -0700, Peter Geoghegan wrote:
> On Mon, May 1, 2017 at 11:24 AM, Andres Freund <andres@anarazel.de> wrote:
> > Doing catalog changes in recovery is frought with problems. Essentially
> > requires starting one worker per database, before allowing access.
> 
> Do you think it's worth just covering the case where you get an error,
> such as a duplicate violation? I imagine that that's the much more
> common case.

What exactly are you proposing to do?  You mean catching errors in the
creating backend, if it didn't crash?  That doesn't strike me as a good
idea, because it'll push down the likelihood of the issue below where
people will see it, but it'll still be likely enough for it to create
problems.

- Andres