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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-18528) DON'T allow user to modify the passed table/column descriptor
Date Thu, 10 Aug 2017 16:56:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Chia-Ping Tsai updated HBASE-18528:
    Status: Patch Available  (was: Open)

v1 patch
# address Anoop's comment

> DON'T allow user to modify the passed table/column descriptor
> -------------------------------------------------------------
>                 Key: HBASE-18528
>                 URL: https://issues.apache.org/jira/browse/HBASE-18528
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors, master
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Critical
>             Fix For: 3.0.0, 2.0.0-alpha-2
>         Attachments: HBASE-18528.v0.patch, HBASE-18528.v1.patch
> We are replacing the HTableDescriptor by TableDescriptor from code base. The TableDescriptor
is designed to be a read-only object so user can't modifiy it through MasterObserver. HBASE-18502
change many methods of MasterObserver to use TableDescriptor but some deprecated methods still
accept the HTableDescriptor. User may be confused by why some methods can't modify the table
> In short, Should we allow user to modify the passed table descriptor?
> # if yes, we should introduce a mechanism that user can return a modified table descripror
> # if no, we should pass ImmutableHTableDescriptor to user. Or we just remove all methods
accepting the HTableDescriptor
> Ditto for HColumnDescriptor.

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