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https://issues.apache.org/jira/browse/HIVE-15608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu resolved HIVE-15608.
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Resolution: Duplicate
> Improve avg function performance for Range based window
> -------------------------------------------------------
>
> Key: HIVE-15608
> URL: https://issues.apache.org/jira/browse/HIVE-15608
> Project: Hive
> Issue Type: Improvement
> Components: PTF-Windowing
> Affects Versions: 2.1.1
> Reporter: Aihua Xu
> Priority: Major
>
> Similar to HIVE-15520, we need to improve the performance for avg() function.
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