On Wed, Mar 6, 2013 at 12:35 PM, Pavan Deolasee <pavan.deola...@gmail.com> wrote: > In the context of postgres_fdw, I am not sure if we need an additional > system column like a node_id. Would there be a possibility where > tuples to-be-modified are coming from different foreign tables and at > runtime we need to decide where to execute the UPDATE/DELETE operation > ? If we start supporting inheritance involving foreign tables as child > tables, this will become a reality.
Foreign tables have tableoid system column which holds pg_class.oid of the foreign table. It seems sufficient to determine source server. -- Shigeru HANADA -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
