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https://issues.apache.org/jira/browse/SPARK-6817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15095721#comment-15095721
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Reynold Xin commented on SPARK-6817:
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[~sunrui]
Why are you focusing on a row-based API? I think a block oriented API in the
original Google Docs makes a lot more sense. I also don't want the UDF to
depend on RRDD, because we are going to remove RRDD from Spark once the UDFs
are implemented.
> DataFrame UDFs in R
> -------------------
>
> Key: SPARK-6817
> URL: https://issues.apache.org/jira/browse/SPARK-6817
> Project: Spark
> Issue Type: New Feature
> Components: SparkR, SQL
> Reporter: Shivaram Venkataraman
> Attachments: SparkR UDF Design Documentation v1.pdf
>
>
> This depends on some internal interface of Spark SQL, should be done after
> merging into Spark.
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