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https://issues.apache.org/jira/browse/SPARK-30433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-30433.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 27105
[https://github.com/apache/spark/pull/27105]
> Make conflict attributes resolution more scalable in ResolveReferences
> ----------------------------------------------------------------------
>
> Key: SPARK-30433
> URL: https://issues.apache.org/jira/browse/SPARK-30433
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: wuyi
> Assignee: wuyi
> Priority: Major
> Fix For: 3.0.0
>
>
> Currently, ResolveReferences rule only resolves conflict attributes of one
> single conflict plan pair in one iteration, which can be inefficient when
> there're many conflicts. We could make it more scalable by doing resolution
> in batch.
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