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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/09/08 07:35:00 UTC

[jira] [Commented] (SPARK-32817) DPP throws error when broadcast side is empty

    [ https://issues.apache.org/jira/browse/SPARK-32817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192011#comment-17192011 ] 

Apache Spark commented on SPARK-32817:
--------------------------------------

User 'wzhfy' has created a pull request for this issue:
https://github.com/apache/spark/pull/29671

> DPP throws error when broadcast side is empty
> ---------------------------------------------
>
>                 Key: SPARK-32817
>                 URL: https://issues.apache.org/jira/browse/SPARK-32817
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Zhenhua Wang
>            Priority: Major
>
> In `SubqueryBroadcastExec.relationFuture`, if the `broadcastRelation` is an `EmptyHashedRelation`, then `broadcastRelation.keys()` will throw `UnsupportedOperationException`.



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