Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2136#discussion_r67720542
--- Diff:
flink-libraries/flink-python/src/main/python/org/apache/flink/python/api/flink/plan/DataSet.py
---
@@ -572,6 +572,41 @@ def set_parallelism(self, parallelism):
self._info.parallelism.value = parallelism
return self
+ def count_elements_per_partition(self):
--- End diff --
please add a docstring for both count_elements_per_pertition and
zip_with_index. You should be able to just copy the ones from the Java
DataSetUtils class.
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