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Posted to issues@spark.apache.org by "Tathagata Das (JIRA)" <ji...@apache.org> on 2017/10/13 21:21:00 UTC

[jira] [Assigned] (SPARK-22136) Implement stream-stream outer joins in append mode

     [ https://issues.apache.org/jira/browse/SPARK-22136?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tathagata Das reassigned SPARK-22136:
-------------------------------------

    Assignee: Jose Torres

> Implement stream-stream outer joins in append mode
> --------------------------------------------------
>
>                 Key: SPARK-22136
>                 URL: https://issues.apache.org/jira/browse/SPARK-22136
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Structured Streaming
>    Affects Versions: 2.3.0
>            Reporter: Jose Torres
>            Assignee: Jose Torres
>             Fix For: 3.0.0
>
>
> Followup to inner join subtask. We can implement outer joins by generating null rows when old state gets cleaned up, given that the join has watermarks allowing that cleanup to happen.



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