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https://issues.apache.org/jira/browse/FLINK-4794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15566054#comment-15566054
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Yakov Goldberg commented on FLINK-4794:
---------------------------------------
Error message when using partition_by_hash() with no parameter
Traceback (most recent call last):
File "/tmp/flink_plan-299738636/plan.py", line 382, in <module>
dd24 \
File "/tmp/flink_plan-299738636/flink/plan/DataSet.py", line 505, in
partition_by_hash
if isinstance(fields[0], TYPES.FunctionType):
IndexError: tuple index out of range
> partition_by_hash() crashes if no parameter is provided
> -------------------------------------------------------
>
> Key: FLINK-4794
> URL: https://issues.apache.org/jira/browse/FLINK-4794
> Project: Flink
> Issue Type: Bug
> Components: Python API
> Reporter: Yakov Goldberg
>
> partition_by_hash() crashes if no parameter is provided.
> Looks like a line of code was missed, check distinct()
> def distinct(self, *fields):
> f = None
> if len(fields) == 0:
> f = lambda x: (x,)
> fields = (0,)
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