How do I go about doing that? From the docs, it appears cross language 
transforms are
currently undocumented. https://beam.apache.org/roadmap/connectors-multi-sdk/
> On Jan 6, 2020, at 12:55 PM, Luke Cwik <[email protected]> wrote:
> 
> What about using a cross language transform between Python and the already 
> existing Java JdbcIO transform?
> 
>> On Sun, Jan 5, 2020 at 5:18 AM Peter Dannemann <[email protected]> wrote:
>> I’d like to develop the Python SDK’s SQL IO connector. I was thinking it 
>> would be easiest to use sqlalchemy to achieve maximum database engine 
>> support, but I suppose I could also create an ABC for databases that follow 
>> the DB API and create subclasses for each database engine that override a 
>> connect method. What are your thoughts on the best way to do this?

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