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Posted to issues@spark.apache.org by "Joost Verdoorn (JIRA)" <ji...@apache.org> on 2018/07/19 11:57:00 UTC
[jira] [Comment Edited] (SPARK-15428) Disable support for multiple
streaming aggregations
[ https://issues.apache.org/jira/browse/SPARK-15428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16549174#comment-16549174 ]
Joost Verdoorn edited comment on SPARK-15428 at 7/19/18 11:56 AM:
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I was wondering the same. Being able to do only one aggregation within structured streaming is extremely limiting. Any idea on when (if ever) multiple aggregations could be supported? [~tdas]
was (Author: joostverdoorn):
I was wondering the same. Being able to do only one aggregation within structured streaming is extremely limiting. Any idea on when (if ever) multiple aggregations could be supported?
> Disable support for multiple streaming aggregations
> ---------------------------------------------------
>
> Key: SPARK-15428
> URL: https://issues.apache.org/jira/browse/SPARK-15428
> Project: Spark
> Issue Type: Sub-task
> Components: Structured Streaming
> Reporter: Tathagata Das
> Assignee: Tathagata Das
> Priority: Major
> Fix For: 2.0.0
>
>
> Incrementalizing plans of with multiple streaming aggregation is tricky and we dont have the necessary support for "delta" to implement correctly. So disabling the support for multiple streaming aggregations.
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