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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/12/21 10:20:00 UTC
[jira] [Work logged] (HIVE-26882) Allow transactional check of Table parameter before altering the Table

     [ https://issues.apache.org/jira/browse/HIVE-26882?focusedWorklogId=835019&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-835019 ]

ASF GitHub Bot logged work on HIVE-26882:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/Dec/22 10:19
            Start Date: 21/Dec/22 10:19
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3888:
URL: https://github.com/apache/hive/pull/3888#issuecomment-1361125200

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

            Worklog Id:     (was: 835019)
    Remaining Estimate: 0h
            Time Spent: 10m

> Allow transactional check of Table parameter before altering the Table
> ----------------------------------------------------------------------
>
>                 Key: HIVE-26882
>                 URL: https://issues.apache.org/jira/browse/HIVE-26882
>             Project: Hive
>          Issue Type: Improvement
>          Components: Standalone Metastore
>            Reporter: Peter Vary
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> We should add the possibility to transactionally check if a Table parameter is changed before altering the table in the HMS.
> This would provide an alternative, less error-prone and faster way to commit an Iceberg table, as the Iceberg table currently needs to:
> - Create an exclusive lock
> - Get the table metadata to check if the current snapshot is not changed
> - Update the table metadata
> - Release the lock
> After the change these 4 HMS calls could be substituted with a single alter table call.
> Also we could avoid cases where the locks are left hanging by failed processes



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