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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/09/26 09:39:00 UTC
[jira] [Work logged] (HIVE-26555) Read-only mode for Hive database

     [ https://issues.apache.org/jira/browse/HIVE-26555?focusedWorklogId=812041&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-812041 ]

ASF GitHub Bot logged work on HIVE-26555:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 26/Sep/22 09:38
            Start Date: 26/Sep/22 09:38
    Worklog Time Spent: 10m 
      Work Description: sonarcloud[bot] commented on PR #3614:
URL: https://github.com/apache/hive/pull/3614#issuecomment-1257767025

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

    Worklog Id:     (was: 812041)
    Time Spent: 40m  (was: 0.5h)

> Read-only mode for Hive database
> --------------------------------
>
>                 Key: HIVE-26555
>                 URL: https://issues.apache.org/jira/browse/HIVE-26555
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Teddy Choi
>            Assignee: Teddy Choi
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> h1. Purpose
> In failover/fail-back scenarios, a Hive database needs to be read-only, while other one is writable to keep a single source of truth.
> h1. Design
> Yes. EnforceReadOnlyDatabaseHook class implements ExecuteWithHookContext interface. hive.exec.pre.hooks needs to have the class name to initiate an instance. The "readonly" database property can be configured to turn it on and off.
> Allowed operations prefixes
>  * EXPLAIN
>  * USE(or SWITCHDATABASE)
>  * REPLDUMP
>  * REPLSTATUS
>  * EXPORT
>  * KILL_QUERY
>  * DESC
>  * SHOW
> h1. Tests
>  * read_only_hook.q: USE, SHOW, DESC, DESCRIBE, EXPLAIN, SELECT
>  * read_only_delete.q
>  * read_only_insert.q



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