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Posted to issues@spark.apache.org by "Jose Torres (JIRA)" <ji...@apache.org> on 2017/09/27 00:37:00 UTC

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

Jose Torres created SPARK-22136:
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             Summary: 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


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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