Re: file cloning in pg_upgrade and CREATE DATABASE

On 2018-Oct-03, Michael Paquier wrote:

> There could be an argument for having an automatic more within this
> scheme, still I am not really a fan of this.  When somebody integrates
> pg_upgrade within an upgrade framework, they would likely test if
> cloning actually works, bumping immediately on a failure, no?  I'd like
> to think that copy should be the default, cloning being available as an
> option.  Cloning is not supported on many filesystems anyway..

I'm not clear what interface are you proposing.  Maybe they would just
use the clone-or-fail mode, and note whether it fails?  If that's not
it, please explain.

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