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https://issues.apache.org/jira/browse/SPARK-16195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348628#comment-15348628
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Apache Spark commented on SPARK-16195:
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User 'dilipbiswal' has created a pull request for this issue:
https://github.com/apache/spark/pull/13897
> Allow users to specify empty over clause in window expressions through
> dataset API
> ----------------------------------------------------------------------------------
>
> Key: SPARK-16195
> URL: https://issues.apache.org/jira/browse/SPARK-16195
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Dilip Biswal
> Priority: Minor
>
> In SQL, its allowed to specify an empty OVER clause in the window expression.
>
> select area, sum(product) over () as c from windowData
> where product > 3 group by area, product
> having avg(month) > 0 order by avg(month), product
> In this case the analytic function sum is presented based on all the rows of
> the result set
> Currently its not allowed through dataset API.
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