On Tue, May 2, 2017 at 9:27 PM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> On 5/2/17 03:43, Michael Paquier wrote:
>>> I don't think the code covers all because a) the SQL queries are not
>>> covered at all that I can see and b) logical decoding can theoretically
>>> do HOT pruning (even if the chance is really small) so it's not safe to
>>> start logical replication either.
>>
>> Ahhh. So START_REPLICATION can also now generate WAL. Good to know.
>
> And just looking at pg_current_wal_location(), running BASE_BACKUP also
> advances the WAL.
Indeed. I forgot the backup end record and the segment switch. We are
good for a backpatch down to 9.2 here.
--
Michael