Github user uce commented on the issue:
https://github.com/apache/flink/pull/2051
Regarding local vs. cluster mode: that's on purpose, but we can certainly
change that behaviour. For now, you would have to run in cluster mode.
Regarding the serializer: assuming that it is a Flink `Tuple2<Long,
String>` you can use the following to get the serializer:
```java
TypeSerializer<?>[] fieldSerializers = new TypeSerializer[] {
StringSerializer.INSTANCE,
LongSerializer.INSTANCE
};
TypeSerializer<Tuple2<String, Long>> serializer = new TupleSerializer<>(
(Class<Tuple2<String, Long>>) (Class<?>) Tuple2.class,
fieldSerializers);
```
**Just to make sure that we are on the same page: the state of this PR is
not the final queryable state API, but only the initial low-level version.**
Really looking forward to further feedback. Thank you for trying it out at this
stage. :-)
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