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https://issues.apache.org/jira/browse/SPARK-8082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-8082.
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Resolution: Incomplete
> Functionality to Reset DF Schemas/Cast Multiple Columns
> -------------------------------------------------------
>
> Key: SPARK-8082
> URL: https://issues.apache.org/jira/browse/SPARK-8082
> Project: Spark
> Issue Type: New Feature
> Components: SparkR
> Reporter: Aleksander Eskilson
> Priority: Minor
> Labels: bulk-closed
>
> Currently only one column can be casted at a time with the cast() function.
> Either a cast with multiple arguments and/or a function allowing the DF
> schema to be reset would cut down on code to recast a DF in some cases.
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