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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/08/03 15:34:00 UTC
[jira] [Work logged] (HIVE-23959) Provide an option to wipe out
column stats for partitioned tables in case of column removal
[ 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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