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https://issues.apache.org/jira/browse/SPARK-52633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-52633:
-----------------------------------
Labels: pull-request-available (was: )
> Deduplicate output for each `Union` child before `DeduplicateRelations`
> -----------------------------------------------------------------------
>
> Key: SPARK-52633
> URL: https://issues.apache.org/jira/browse/SPARK-52633
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Mihailo Timotic
> Priority: Major
> Labels: pull-request-available
>
> Deduplicate output for each `Union` child before `DeduplicateRelations`. This
> is necessary because `DeduplicateRelations` might sometimes accidentally fix
> single child duplicates, but single-pass analyzer expects this algorithm to
> trigger every time
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