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Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2018/07/22 23:14:00 UTC

[jira] [Commented] (HIVE-19416) Create single version transactional table metastore statistics for aggregation queries

    [ https://issues.apache.org/jira/browse/HIVE-19416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16552191#comment-16552191 ] 

Vineet Garg commented on HIVE-19416:
------------------------------------

[~steveyeom2017] [~sershe] Is there a design document or some kind of documentation for this? Interesting in knowing what this feature entails and how it works.

> Create single version transactional table metastore statistics for aggregation queries
> --------------------------------------------------------------------------------------
>
>                 Key: HIVE-19416
>                 URL: https://issues.apache.org/jira/browse/HIVE-19416
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>            Reporter: Steve Yeom
>            Assignee: Steve Yeom
>            Priority: Major
>
> The system should use only statistics for aggregation queries like count on transactional tables.



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