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  1. Spark
  2. SPARK-36740 collection operators should handle duplicated NaN
  3. SPARK-36702

array_union should not produce duplicated result

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.4.0
    • 3.2.0, 3.1.3, 3.0.4
    • SQL

    Description

      select array_union(array(cast('nan' as double), cast('nan' as double)), array())

      This returns [NaN, NaN], but it should return [NaN]

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            angerszhu angerszhu
            cloud_fan Wenchen Fan
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              Created:
              Updated:
              Resolved: