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https://issues.apache.org/jira/browse/HIVE-7687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094835#comment-14094835
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Lefty Leverenz commented on HIVE-7687:
--------------------------------------
This is a case of NOT-TODOC: the patch removes configuration parameter
*hive.cbo.max.joins.supported* from HiveConf.java.
It was added in two uncommitted JIRA tickets (HIVE-5775.1.patch and
HIVE-6439.5.patch) so presumably another one that actually got committed also
added it.
> Invoke cbo only when needed
> ---------------------------
>
> Key: HIVE-7687
> URL: https://issues.apache.org/jira/browse/HIVE-7687
> Project: Hive
> Issue Type: Sub-task
> Components: CBO, Logical Optimizer
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: h-7687.patch
>
>
> also use greedy algo for all cases.
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