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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/01/20 19:31:27 UTC

[jira] [Assigned] (SPARK-19314) Do not allow sort before aggregation in Structured Streaming plan

     [ https://issues.apache.org/jira/browse/SPARK-19314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-19314:
------------------------------------

    Assignee: Apache Spark  (was: Tathagata Das)

> 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: Apache Spark
>            Priority: Blocker
>
> 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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