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Posted to dev@hive.apache.org by "Laljo John Pullokkaran (JIRA)" <ji...@apache.org> on 2014/12/08 06:16:13 UTC

[jira] [Reopened] (HIVE-8774) Fix groupBy index optimization

     [ https://issues.apache.org/jira/browse/HIVE-8774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Laljo John Pullokkaran reopened HIVE-8774:
------------------------------------------

Patch didn't apply cleanly on svn

> Fix groupBy index optimization
> ------------------------------
>
>                 Key: HIVE-8774
>                 URL: https://issues.apache.org/jira/browse/HIVE-8774
>             Project: Hive
>          Issue Type: Improvement
>          Components: CBO
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-8774.1.patch, HIVE-8774.10.patch, HIVE-8774.11.patch, HIVE-8774.12.patch, HIVE-8774.14.patch, HIVE-8774.15.patch, HIVE-8774.2.patch, HIVE-8774.3.patch, HIVE-8774.4.patch, HIVE-8774.5.patch, HIVE-8774.6.patch, HIVE-8774.7.patch, HIVE-8774.8.patch, HIVE-8774.9.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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