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Posted to issues@spark.apache.org by "Bryan Cutler (JIRA)" <ji...@apache.org> on 2017/09/22 16:52:01 UTC

[jira] [Created] (SPARK-22106) Remove support for 0-parameter pandas_udfs

Bryan Cutler created SPARK-22106:
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             Summary: Remove support for 0-parameter pandas_udfs
                 Key: SPARK-22106
                 URL: https://issues.apache.org/jira/browse/SPARK-22106
             Project: Spark
          Issue Type: Improvement
          Components: PySpark, SQL
    Affects Versions: 2.3.0
            Reporter: Bryan Cutler


SPARK-21190 Added support for vectorized pandas_udfs and allows a 0-parameter udf to be created, but it must accept **kwargs to get the correct length of the vector to return. This behavior is a confusing and awkward to implement and the overall pandas_udf usage would be much cleaner if this was not allowed.



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