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https://issues.apache.org/jira/browse/SPARK-22239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16511876#comment-16511876
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Hyukjin Kwon commented on SPARK-22239:
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Sure, please go ahead.
> User-defined window functions
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Li Jin commented on SPARK-22239:
[~hyukjin.kwon] I actually don't think this Jira is done. The PR only
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Li Jin commented on SPARK-22239:
[~hvanhovell], I have done a bit further research of UDF over rolling
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Apache Spark commented on SPARK-22239:
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User 'icexelloss' has created a pull request for this issue:
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https://issues.apache.org/jira/browse/SPARK-22239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16411465#comment-16411465
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Li Jin commented on SPARK-22239:
Yeah unbounded windows are really just "groupby" in this case. I need to
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Herman van Hovell commented on SPARK-22239:
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Unbouded windows should be relatively
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Li Jin commented on SPARK-22239:
I am looking into this. I will start with unbounded window first, i.e.,
