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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17934) Merging Statistics are promoted to COMPLETE (most of the time)
Date Tue, 14 Nov 2017 17:25:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16251771#comment-16251771
] 

Ashutosh Chauhan commented on HIVE-17934:
-----------------------------------------

+1 pending tests.

> 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: Sub-task
>          Components: Statistics
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>         Attachments: HIVE-17934.01.patch, HIVE-17934.02.patch, HIVE-17934.03.patch, HIVE-17934.04.patch,
HIVE-17934.05.patch, HIVE-17934.06.patch, HIVE-17934.06wip01.patch
>
>
> 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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