On Thu, Aug 22, 2013 at 06:18:39PM +0200, Andres Freund wrote: > But essentially we already have something like that by the combination > of system identifier and timeline id. Admittedly there's the weakness > that the timelineid can increase the same on several machines in the > cluster but that's a weakness we ought to fix sometime independent of > this. > > So maybe the answer is to also expose the current timeline? > > An alternative would be to have a pg_controldata_values() SRF...
It seems the value is more of a _cluster_ identifier than a system identifier. We don't allow cross-major-version replication, so I am confused why we can't rename it in 9.4. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
