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From "Takeshi Yamamuro (JIRA)" <>
Subject [jira] [Created] (SPARK-26965) Makes ElementAt nullability more precise
Date Fri, 22 Feb 2019 04:03:00 GMT
Takeshi Yamamuro created SPARK-26965:

             Summary: Makes ElementAt nullability more precise
                 Key: SPARK-26965
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Takeshi Yamamuro

In master, ElementAt nullable is always true;

But, If input key is foldable, we could make its nullability more precise.
This fix is the same with SPARK-26747 and -SPARK-26637- 

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