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https://issues.apache.org/jira/browse/SPARK-8640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yin Huai resolved SPARK-8640.
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Resolution: Fixed
Assignee: Herman van Hovell
Fix Version/s: 1.5.0
It has been resolved by https://github.com/apache/spark/pull/7515.
> Window Function Multiple Frame Processing in Single Processing Step
> -------------------------------------------------------------------
>
> Key: SPARK-8640
> URL: https://issues.apache.org/jira/browse/SPARK-8640
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.5.0
> Reporter: Herman van Hovell
> Assignee: Herman van Hovell
> Fix For: 1.5.0
>
> Attachments: perf_test_window_collapse.scala
>
>
> The new Window operator is capable of processing different frames for the
> same Window. In order to enable this the Catalyst Analyzer needs to be
> modified.
> PR will follow as soon as SPARK-8638 gets in.
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