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Posted to issues@spark.apache.org by "Olivier Girardot (JIRA)" <ji...@apache.org> on 2015/05/02 10:48:05 UTC
[jira] [Commented] (SPARK-7322) Add DataFrame DSL for window
function support
[ https://issues.apache.org/jira/browse/SPARK-7322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525131#comment-14525131 ]
Olivier Girardot commented on SPARK-7322:
-----------------------------------------
With this it would be possible to compute a rolling mean in a separate column, right ?
> Add DataFrame DSL for window function support
> ---------------------------------------------
>
> Key: SPARK-7322
> URL: https://issues.apache.org/jira/browse/SPARK-7322
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
>
> A good reference implementation: http://www.jooq.org/doc/3.6/manual-single-page/#window-functions
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