Re: jsonb format is pessimal for toast compression

On Thu, Sep 25, 2014 at 02:39:37PM -0400, Tom Lane wrote:
> BTW, it seems like there is consensus that we ought to reorder the items
> in a jsonb object to have keys first and then values, independently of the
> other issues under discussion.  This means we *will* be breaking on-disk
> compatibility with 9.4beta2, which means pg_upgrade will need to be taught
> to refuse an upgrade if the database contains any jsonb columns.  Bruce,
> do you have time to crank out a patch for that?

Yes, I can do that easily.  Tell me when you want it --- I just need a
catalog version number to trigger on.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +