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https://issues.apache.org/jira/browse/SPARK-15428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17442292#comment-17442292
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Hongbo commented on SPARK-15428:
--------------------------------
Is there any plan to enable it? It's quite a big limitation. For example, we
can not do analysis between 1-minute average and 5 minute-average. As it was
disabled many years ago when structured streaming was new, is is still blocked
by any major technical difficulities after years of evolution?
There are also other related tickets, such as
https://issues.apache.org/jira/browse/SPARK-26692 .
> 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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