Isn't the returns functions deprecated?

On Tue, Jul 31, 2018, 5:32 AM vino yang <yanghua1...@gmail.com> wrote:

> Hi Nicos,
>
> The thrown exception has given you a clear solution hint:
> The return type of function 'apply(Mu
>    ltiplyByTwoTest.scala:43)' could not be determined automatically, due
> to type erasure. You can giv
>    e type information hints by using the returns(...) method on the result
> of the transformation call
>    , or by letting your function implement the 'ResultTypeQueryable'
> interface.
>
> You can consider the second option. More information on the Flink type
> system can be found in the official documentation[1].
>
> [1]:
> https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/types_serialization.html#type-information-in-the-scala-api
>
> Thanks, vino.
>
> 2018-07-31 6:30 GMT+08:00 Nicos Maris <nicos.ma...@gmail.com>:
>
>> Hi all,
>>
>>
>> the integration test in scala documented at the testing section fails:
>>
>> https://travis-ci.org/nicosmaris/HelloDockerScalaSbt/builds/410075764
>>
>> In previous commits of my demo repo, I tried typextractor , basictypeinfo
>> and resultTypeQuerable with no success. I am new to flink and to Scala and
>> I would like to have both, not flink with Java.
>>
>> Am I doing something that is fundamentally wrong?
>>
>>
>> thanks,
>> Nicos Maris
>>
>
>

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