On Tue, Oct 16, 2012 at 10:30 AM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> Stephen,
>
> > AIUI, PG-XC and PG-R need an order, so they both use an independent
> > system (eg, the PG-XC GTM) to provide that ordering.
>
> You're thinking of XIDs. This is a proposal for user-defined sequences.
>
XC also provides global sequence values with the GTM.
--
Michael Paquier
http://michael.otacoo.com