Re: [HACKERS] logical decoding of two-phase transactions

Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
> On 04/03/2018 04:37 PM, Alvaro Herrera wrote:
>> Tomas Vondra wrote:
>>> Yes, that is a good point actually - we need to test that replication
>>> between PG10 and PG11 works correctly, i.e. that the protocol version is
>>> correctly negotiated, and features are disabled/enabled accordingly etc.

>> Maybe it'd be good to have a buildfarm animal to specifically test for
>> that?

> Not sure a buildfarm supports running two clusters with different
> versions easily?

You'd need some specialized buildfarm infrastructure like --- maybe the
same as --- the infrastructure for testing cross-version pg_upgrade.
Andrew could speak to the details better than I.

            regards, tom lane