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https://issues.apache.org/jira/browse/SPARK-26894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-26894.
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Resolution: Fixed
Fix Version/s: 3.0.0
Resolved by https://github.com/apache/spark/pull/23803
> Fix Alias handling in AggregateEstimation
> -----------------------------------------
>
> Key: SPARK-26894
> URL: https://issues.apache.org/jira/browse/SPARK-26894
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Venkata krishnan Sowrirajan
> Priority: Major
> Fix For: 3.0.0
>
>
> Aliases are not handled separately in AggregateEstimation similar to
> ProjectEstimation due to which stats are not getting propagated when CBO is
> enabled.
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