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https://issues.apache.org/jira/browse/SPARK-19314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tathagata Das resolved SPARK-19314.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
2.0.3
2.1.1
Issue resolved by pull request 16662
[https://github.com/apache/spark/pull/16662]
> Do not allow sort before aggregation in Structured Streaming plan
> -----------------------------------------------------------------
>
> Key: SPARK-19314
> URL: https://issues.apache.org/jira/browse/SPARK-19314
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.0.2, 2.1.0
> Reporter: Tathagata Das
> Assignee: Tathagata Das
> Priority: Blocker
> Fix For: 2.1.1, 2.0.3, 3.0.0
>
>
> Sort in a streaming plan should be allowed only after a aggregation in
> complete mode. Currently it is incorrectly allowed when present anywhere in
> the plan. It gives unpredictable potentially incorrect results.
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