Hi everyone,

Python Table API seems to be a little bit buggy.

Some minimal examples of strange behaviors here:

https://gist.github.com/nrdhm/88322a68fc3e9a14a5f4ab6ec13403cf



Was testing in pyflink-shell in our small cluster with Flink 1.17.

Docker image: flink:1.17.1-scala_2.12-java11



The third problem with pandas UDF concerns me the most.



It seems like Vectorized UDF do not work at all with .filter() /.where()
calls.

Columns name are reset to default f0, f1, …, fN and values are not being
filtered.

And so, I have some questions:
  1. Was you able to reproduce these problems?
  2. Is it the expected behavior?
  3. How can we get around this?

Best regards, Alexey

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