[GitHub] spark pull request #19209: Branch 2.2 udf nullability

Github user ptkool closed the pull request at: https://github.com/apache/spark/pull/19209 --- - To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org

[GitHub] spark pull request #19209: Branch 2.2 udf nullability

GitHub user ptkool opened a pull request: https://github.com/apache/spark/pull/19209 Branch 2.2 udf nullability ## What changes were proposed in this pull request? When registering a Python UDF, a user may know whether the function can return null values or not. PythonUDF