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Posted to issues@spark.apache.org by "Maciej Szymkiewicz (Jira)" <ji...@apache.org> on 2021/10/24 11:20:00 UTC

[jira] [Created] (SPARK-37104) RDD and DStream should be covariant

Maciej Szymkiewicz created SPARK-37104:
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             Summary: RDD and DStream should be covariant
                 Key: SPARK-37104
                 URL: https://issues.apache.org/jira/browse/SPARK-37104
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 3.2.0, 3.1.0, 3.3.0
            Reporter: Maciej Szymkiewicz


At the moment {{RDD}} and {{DStream}} are defined as invariant.

 

However, there are immutable and could be marked as covariant.



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