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Re: [DISCUSS] Improvements to the Unified SQL Connector API


Thanks a lot for the proposal, Timo. I left a few comments. Also, it seems
the example in the doc does not have the table type (source, sink and both)
property anymore. Are you suggesting drop it? I think the table type
properties is still useful as it can restrict a certain connector to be
only source/sink, for example, we usually want a Kafka topic to be either
read-only or write-only, but not both.

Shuyi

On Mon, Oct 1, 2018 at 1:53 AM Timo Walther <twalthr@xxxxxxxxxx> wrote:

> Hi everyone,
>
> as some of you might have noticed, in the last two releases we aimed to
> unify SQL connectors and make them more modular. The first connectors
> and formats have been implemented and are usable via the SQL Client and
> Java/Scala/SQL APIs.
>
> However, after writing more connectors/example programs and talking to
> users, there are still a couple of improvements that should be applied
> to unified SQL connector API.
>
> I wrote a design document [1] that discusses limitations that I have
> observed and consideres feedback that I have collected over the last
> months. I don't know whether we will implement all of these
> improvements, but it would be great to get feedback for a satisfactory
> API and for future priorization.
>
> The general goal should be to connect to external systems as convenient
> and type-safe as possible. Any feedback is highly appreciated.
>
> Thanks,
>
> Timo
>
> [1]
>
> https://docs.google.com/document/d/1Yaxp1UJUFW-peGLt8EIidwKIZEWrrA-pznWLuvaH39Y/edit?usp=sharing
>
>

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