Re: Logical Replication Helpers WIP for discussion

On Mon, Dec 15, 2014 at 12:57 AM, Petr Jelinek <petr(at)2ndquadrant(dot)com> wrote:
> we've made few helper functions for making logical replication easier, I
> bundled it into contrib module as this is mainly for discussion at this time
> (I don't expect this to get committed any time soon, but it is good way to
> iron out protocol, etc).
>
> I created sample logical decoding plugin that uses those functions and which
> can be used for passing DML changes in platform/version independent
> (hopefully) format.
>
> I will post sample apply BG worker also once I get some initial feedback
> about this.
>
> It's hard to write tests for this as the binary changes contain transaction
> ids and timestamps so the data changes constantly.
>
> This is of course based on the BDR work Andres, Craig and myself have been
> doing.

I can't understand, either from what you've written here or the rather
sparse comments in the patch, what this might be good for.

--
Robert Haas
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