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https://issues.apache.org/jira/browse/SPARK-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279352#comment-14279352
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Apache Spark commented on SPARK-5274:
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User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/4056
> Stabilize UDFRegistration API
> -----------------------------
>
> Key: SPARK-5274
> URL: https://issues.apache.org/jira/browse/SPARK-5274
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Reynold Xin
>
> 1. Removed UDFRegistration as a mixin in SQLContext and made it a field
> ("udf"). This removes 45 methods from SQLContext.
> 2. For Java UDFs, renamed dataType to returnType.
> 3. For Scala UDFs, added type tags.
> 4. Added all Java UDF registration methods to Scala's UDFRegistration.
> 5. Better documentation
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