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Posted to issues@spark.apache.org by "Mark Jarvin (Jira)" <ji...@apache.org> on 2024/04/11 23:19:00 UTC

[jira] [Created] (SPARK-47824) Nondeterminism in pyspark.pandas.series.asof

Mark Jarvin created SPARK-47824:
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             Summary: Nondeterminism in pyspark.pandas.series.asof
                 Key: SPARK-47824
                 URL: https://issues.apache.org/jira/browse/SPARK-47824
             Project: Spark
          Issue Type: Bug
          Components: PySpark
    Affects Versions: 3.3.4, 3.5.1, 3.4.2, 4.0.0
            Reporter: Mark Jarvin


`max_by` in `pyspark.pandas.series.asof` uses a literal string instead of a generated column as its ordering condition, resulting in nondeterminism.



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