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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/09/27 00:38:00 UTC

[jira] [Commented] (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:comment-tabpanel&focusedCommentId=16181789#comment-16181789 ] 

Apache Spark commented on SPARK-22136:
--------------------------------------

User 'joseph-torres' has created a pull request for this issue:
https://github.com/apache/spark/pull/19327

> 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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