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https://issues.apache.org/jira/browse/HIVE-8774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14211817#comment-14211817
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Pengcheng Xiong commented on HIVE-8774:
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The error for the final patch.5 is unrelated. [~sershe], could you please take
a look? I assume that it would be useful to be included in 0.14.
> CBO: enable groupBy index
> -------------------------
>
> Key: HIVE-8774
> URL: https://issues.apache.org/jira/browse/HIVE-8774
> Project: Hive
> Issue Type: Improvement
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-8774.1.patch, HIVE-8774.2.patch, HIVE-8774.3.patch,
> HIVE-8774.4.patch, HIVE-8774.5.patch
>
>
> Right now, even when groupby index is build, CBO is not able to use it. In
> this patch, we are trying to make it use groupby index that we build.
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