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https://issues.apache.org/jira/browse/HIVE-3430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yin Huai resolved HIVE-3430.
----------------------------
Resolution: Not A Problem
With HIVE-2206, cases mentioned in this jira will be optimized by Correlation
Optimizer. Please check
[correlationoptimizer2.q|https://github.com/apache/hive/blob/trunk/ql/src/test/queries/clientpositive/correlationoptimizer2.q]
and
[correlationoptimizer6.q|https://github.com/apache/hive/blob/trunk/ql/src/test/queries/clientpositive/correlationoptimizer6.q]
([~lianhuiwang] Your case is in this file) for most relevant unit tests to
this jira.
I am closing it as "Not A Problem".
> group by followed by join with the same key should be optimized
> ---------------------------------------------------------------
>
> Key: HIVE-3430
> URL: https://issues.apache.org/jira/browse/HIVE-3430
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 0.10.0
> Reporter: Namit Jain
>
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