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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-23959) Provide an option to wipe out column stats for partitioned tables in case of column removal
Date Mon, 03 Aug 2020 15:34:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23959?focusedWorklogId=465754&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-465754
]

ASF GitHub Bot logged work on HIVE-23959:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 03/Aug/20 15:33
            Start Date: 03/Aug/20 15:33
    Worklog Time Spent: 10m 
      Work Description: kgyrtkirk commented on pull request #1341:
URL: https://github.com/apache/hive/pull/1341#issuecomment-668089074


   @pvary could you please take another look?


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 465754)
    Time Spent: 1h 10m  (was: 1h)

> Provide an option to wipe out column stats for partitioned tables in case of column removal
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-23959
>                 URL: https://issues.apache.org/jira/browse/HIVE-23959
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> in case of column removal / replacement - an update for each partition is neccessary;
which could take a while.
> goal here is to provide an option to switch to the bulk removal of column statistics
instead of working hard to retain as much as possible from the old stats.



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