Re: Built-in plugin for logical decoding output

On 24 September 2017 at 15:15, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:
> On 23 September 2017 at 06:28, Gregory Brail <gregbrail(at)google(dot)com> wrote:
>
>>
>> Would the community support the development of another plugin that is
>> distributed as part of "contrib" that addresses these issues?
>
>
> Petr Jelinek and I tried just that with pglogical. Our submission was
> knocked back with the complaint that there was no in-core user of the code,
> and it couldn't be evaluated usefully without an in-core consumer/receiver.
>
> It's possible we'd make more progress if we tried again now, since we could
> probably write a test suite using the TAP test framework and a small
> src/test/modules consumer. But now we'd probably instead get blocked with
> the complaint that the output plugin used for logical replication should be
> sufficient for any reasonable need. I anticipate that we'd have some
> disagreements about what a reasonable need is, but ... *shrug*.
>
> I personally think we _should_ have such a thing, and that it should be
> separate to the logical replication plugin to allow us to evolve that
> without worrying about out of core dependencies etc.

We plan to submit the next evolution of the code in 2018, in time for
the early cycle of PG12.

--
Simon Riggs http://www.2ndQuadrant.com/
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