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Posted to issues@spark.apache.org by "Dean Gurvitz (JIRA)" <ji...@apache.org> on 2017/08/13 14:41:00 UTC

[jira] [Created] (SPARK-21719) Enable complex expression in Column.getItem(...)

Dean Gurvitz created SPARK-21719:
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             Summary: Enable complex expression in Column.getItem(...)
                 Key: SPARK-21719
                 URL: https://issues.apache.org/jira/browse/SPARK-21719
             Project: Spark
          Issue Type: New Feature
          Components: SQL
    Affects Versions: 2.2.0
            Reporter: Dean Gurvitz


Currently, the Column.getItem(...) method supports only String or number literals. However, one might want to provide a more complicated expression, such as get the item at the index specified by another column, or the item at an index which is specified by a UDF call. Currently, there is no way to do that.

Creating an overload for the getItem(...) method which accepts a Column object can be one solution.



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