Re: Lets (not) break all the things. Was: [pgsql-advocacy] 9.6 -> 10.0

On Tue, Apr 12, 2016 at 11:25:21AM -0700, Josh Berkus wrote:
> Here's the features I can imagine being worth major backwards
> compatibility breaks:
...
> 5. Transparent upgrade-in-place (i.e. allowing 10.2 to use 10.1's tables
> without pg_upgrade or other modification).

Technically, this is exactly what pg_upgrade does.  I think what you
really mean is for the backend binary to be able to read the system
tables and WAL files of the old clusters --- something I can't see us
implementing anytime soon.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com

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