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https://issues.apache.org/jira/browse/SPARK-32943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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L. C. Hsieh resolved SPARK-32943.
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Resolution: Duplicate
> Add improvement to filter pushdown and project combination
> ----------------------------------------------------------
>
> Key: SPARK-32943
> URL: https://issues.apache.org/jira/browse/SPARK-32943
> Project: Spark
> Issue Type: Umbrella
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
>
> We observed in our customer payloads that existing optimization of filter
> pushdown and project combination produces query plan with bad performance in
> some cases. This is an umbrella for some tasks to improve filter pushdown and
> project combination.
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