On Wed, Mar 6, 2013 at 12:35 PM, Pavan Deolasee <pavan.deola...@gmail.com>wrote:
> +1 for adding a new system attribute. We did something similar in > Postgres-XC, though problem there was much simpler because we always > knew that the remote FDW is a Postgres instance running the same > version. So we added a new system column "node_id" which does not get > any disk storage, but gets set during execution time depending on > which node the tuple belongs to. The ctid system column of course is > set to the remote ctid. > Just thinking aloud... This could also be merged in XC code and reduce XC code footprint on PG core. <http://www.linkedin.com/in/pavandeolasee> -- Michael
