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Posted to reviews@spark.apache.org by HyukjinKwon <gi...@git.apache.org> on 2018/01/03 01:34:04 UTC

[GitHub] spark pull request #18906: [SPARK-21692][PYSPARK][SQL] Add nullability suppo...

Github user HyukjinKwon commented on a diff in the pull request:

    https://github.com/apache/spark/pull/18906#discussion_r159349953
  
    --- Diff: python/pyspark/sql/udf.py ---
    @@ -174,3 +178,12 @@ def asNondeterministic(self):
             """
             self._deterministic = False
             return self
    +
    +    def asNonNullable(self):
    +        """
    +        Updates UserDefinedFunction to non-nonullable.
    --- End diff --
    
    `UserDefinedFunction ` -> `` :class:`UserDefinedFunction`  ``


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