Andres Freund <and...@2ndquadrant.com> writes: > On Tuesday, June 19, 2012 04:17:01 PM Tom Lane wrote: >> ... (If you are thinking >> of something sufficiently high-level that merging could possibly work, >> then it's not WAL, and we shouldn't be trying to make the WAL >> representation cater for it.)
> The idea is that if youre replaying changes on node A originating from node B > you set the origin to *B* in the wal records that are generated during that. > So when B, in a bidirectional setup, replays the changes that A has made it > can simply ignore all changes which originated on itself. This is most certainly not possible at the level of WAL. As I said above, we shouldn't be trying to shoehorn high level logical-replication commands into WAL streams. No good can come of confusing those concepts. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers