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https://issues.apache.org/jira/browse/HIVE-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-2206 stopped by Yin Huai.
> add a new optimizer for query correlation discovery and optimization
> --------------------------------------------------------------------
>
> Key: HIVE-2206
> URL: https://issues.apache.org/jira/browse/HIVE-2206
> Project: Hive
> Issue Type: New Feature
> Reporter: He Yongqiang
> Assignee: Yin Huai
> Attachments: HIVE-2206.1.patch.txt, Queries,
> YSmartPatchForHive.patch, testQueries.q
>
>
> reference:
> http://www.cse.ohio-state.edu/hpcs/WWW/HTML/publications/papers/TR-11-7.pdf
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