[jira] [Work logged] (HIVE-24608) Switch back to get_table in HMS client for Hive 2.3.x

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-24608?focusedWorklogId=595552&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-595552 ]

ASF GitHub Bot logged work on HIVE-24608:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 12/May/21 19:07
            Start Date: 12/May/21 19:07
    Worklog Time Spent: 10m 
      Work Description: sunchao commented on pull request #2080:
URL: https://github.com/apache/hive/pull/2080#issuecomment-840028939


   cc @szehon-ho could you help to review this? Thanks!


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

    Worklog Id:     (was: 595552)
    Time Spent: 20m  (was: 10m)

> Switch back to get_table in HMS client for Hive 2.3.x
> -----------------------------------------------------
>
>                 Key: HIVE-24608
>                 URL: https://issues.apache.org/jira/browse/HIVE-24608
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 2.3.7
>            Reporter: Chao Sun
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> HIVE-15062 introduced a backward-incompatible change by replacing {{get_table}} with {{get_table_req}}. As consequence, when HMS client w/ version > 2.3 talks to a HMS w/ version < 2.3, it will get error similar to the following:
> {code}
> AnalysisException: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch table testpartitiondata. Invalid method name: 'get_table_req';
> {code}
> Looking at HIVE-15062, the {{get_table_req}} is to introduce client-side check for capabilities. However in branch-2.3 the check is a no-op since there is no capability yet (it is assigned to null). Therefore, this JIRA proposes to switch back to {{get_table}} in branch-2.3 to fix the compatibility issue.



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