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https://issues.apache.org/jira/browse/HIVE-7836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth J updated HIVE-7836:
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Status: Patch Available (was: Open)
> Ease-out denominator for multi-attribute join case in statistics annotation
> ---------------------------------------------------------------------------
>
> Key: HIVE-7836
> URL: https://issues.apache.org/jira/browse/HIVE-7836
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor, Statistics
> Affects Versions: 0.14.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Fix For: 0.13.0
>
> Attachments: HIVE-7836.1.patch
>
>
> In cases where number of relations involved in join is less than the number
> of join attributes the denominator of join rule can get larger resulting in
> aggressive row count estimation.
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