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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2017/10/30 17:29:01 UTC

[jira] [Assigned] (HIVE-17934) Merging Statistics are promoted to COMPLETE (most of the time)

     [ https://issues.apache.org/jira/browse/HIVE-17934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltan Haindrich reassigned HIVE-17934:
---------------------------------------

    Assignee: Zoltan Haindrich

> Merging Statistics are promoted to COMPLETE (most of the time)
> --------------------------------------------------------------
>
>                 Key: HIVE-17934
>                 URL: https://issues.apache.org/jira/browse/HIVE-17934
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>
> in case multiple partition statistics are merged the STATS state is computed based on the datasize and rowcount;
> the merge may hide away non-existent stats in case there are other partition or operators which do contribute to the datasize and the rowcount.



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