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Posted to issues@spark.apache.org by "Xingbo Jiang (JIRA)" <ji...@apache.org> on 2019/08/13 05:35:00 UTC

[jira] [Created] (SPARK-28706) Allow upcast from null type to any types

Xingbo Jiang created SPARK-28706:
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             Summary: Allow upcast from null type to any types
                 Key: SPARK-28706
                 URL: https://issues.apache.org/jira/browse/SPARK-28706
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Xingbo Jiang
            Assignee: Xingbo Jiang


It should be safe to upcast from null type to any types.



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