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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/09/03 14:18:00 UTC

[jira] [Assigned] (SPARK-32730) Improve LeftSemi SortMergeJoin right side buffering

     [ https://issues.apache.org/jira/browse/SPARK-32730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-32730:
-----------------------------------

    Assignee: Peter Toth

> Improve LeftSemi SortMergeJoin right side buffering
> ---------------------------------------------------
>
>                 Key: SPARK-32730
>                 URL: https://issues.apache.org/jira/browse/SPARK-32730
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Peter Toth
>            Assignee: Peter Toth
>            Priority: Minor
>
> LeftSemi SortMergeJoin should not buffer all matching right side rows when bound condition is empty.



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