On 08/07/16 12:47, Craig Ringer wrote:
> On 8 July 2016 at 09:41, Robert Haas <robertmhaas@gmail.com
> <mailto:robertmhaas@gmail.com>> wrote:
>
> If you want to add a column to a table, you
> say ALTER TABLE .. ADD COLUMN. If you want to add a column to an
> extension, you say ALTER EXTENSION .. ADD TABLE. If you want to add
> an option to a foreign table, you say ALTER FOREIGN TABLE .. OPTIONS
> (ADD ..). Therefore, I think it is entirely reasonable and obviously
> consistent with existing practice that if you want to add a table to a
> replication set, you should write ALTER REPLICATION SET .. ADD TABLE.
> I don't understand why logical replication should be the one feature
> that departs from the way that all of our other features work.
>
>
> Because unlike all the other features, it can work usefully *across
> versions*.
I don't see how that matters for definitions in catalogs though. It's
not like we want to do any kind of RPC to add table to replication set
on the remote node.
-- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training &
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