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https://issues.apache.org/jira/browse/SPARK-21719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-21719:
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Labels: SQL bulk-closed (was: SQL)
> 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
> Priority: Major
> Labels: SQL, bulk-closed
>
> 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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