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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/12/20 07:03:00 UTC
[jira] [Assigned] (SPARK-37689) Expand should be supported PropagateEmptyRelation
[ https://issues.apache.org/jira/browse/SPARK-37689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-37689:
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Assignee: Apache Spark
> Expand should be supported PropagateEmptyRelation
> -------------------------------------------------
>
> Key: SPARK-37689
> URL: https://issues.apache.org/jira/browse/SPARK-37689
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: angerszhu
> Assignee: Apache Spark
> Priority: Major
> Attachments: image-2021-12-20-14-30-34-276.png, image-2021-12-20-14-31-16-893.png
>
>
> Empty LocalScan still trigger HashAggregate execute. Expand should be supported in PropagateEmptyRelation too.
> !image-2021-12-20-14-30-34-276.png|width=347,height=336!
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