Re: [PATCH 8/8] Introduce wal decoding via catalog timetravel

On Thu, Oct 11, 2012 at 01:34:58AM +0200, anarazel(at)anarazel(dot)de wrote:
>
>
> Bruce Momjian <bruce(at)momjian(dot)us> schrieb:
>
> >On Thu, Oct 11, 2012 at 12:02:26AM +0100, Peter Geoghegan wrote:
> >> On 15 September 2012 01:39, Andres Freund <andres(at)2ndquadrant(dot)com>
> >wrote:
> >> > (0008-Introduce-wal-decoding-via-catalog-timetravel.patch)
> >>
> >> This patch is the 8th of 8 in a patch series that covers different
> >> aspects of the bi-directional replication feature planned for
> >> PostgreSQL 9.3. For those that are unfamiliar with the BDR
> >projection,
> >> a useful summary is available in an e-mail sent to this list by Simon
> >> Riggs back in April [1]. I should also point out that Andres has made
> >
> >Does this design allow replication/communcation between clusters
> >running
> >different major versions of Postgres?
> This patchset only contains only the decoding/changeset generation part of logical replication. It provides (as in the debugging example) the capabilities to generate a correct textual format and thus can be used to build a solution with support for cross version/arch replication as long as the text format of the used types is compatible.
>
> Does that answer the question?

Yes. This was posted so long ago I couldn't remember if that was part
of the design.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +