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https://issues.apache.org/jira/browse/SPARK-11438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986570#comment-14986570
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Yin Huai commented on SPARK-11438:
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[~piccolbo] Thank you for your comments! As mentioned by [~mengxr], the
semantic of nondeterministic is more like generating random values in a
deterministic way. We will look at having a better name.
> Allow users to define nondeterministic UDFs
> -------------------------------------------
>
> Key: SPARK-11438
> URL: https://issues.apache.org/jira/browse/SPARK-11438
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Yin Huai
> Assignee: Yin Huai
>
> Right now, all UDFs are deterministic. It will be great if we allow users to
> define nondeterministic UDFs.
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