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https://issues.apache.org/jira/browse/HBASE-7374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13534967#comment-13534967
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Andrew Purtell commented on HBASE-7374:
---------------------------------------
[~enis] I'm going to commit this as is. I think we should handle the HBASE-7305
issues on 7305 by adding javadoc to the master preXXX and postXXX interface
definitions, then by exposing the table lock API via MasterServices with a fat
warning about the locking discipline.
> Expose master table operations for coprocessors by way of MasterServices
> ------------------------------------------------------------------------
>
> Key: HBASE-7374
> URL: https://issues.apache.org/jira/browse/HBASE-7374
> Project: HBase
> Issue Type: Improvement
> Components: Coprocessors, master
> Affects Versions: 0.96.0, 0.94.4
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Attachments: HBASE-7374-0.94.patch, HBASE-7374.patch
>
>
> I have something I'm working on that, as a coprocessor, when it initializes
> would like to add a column to a table should that column be missing. Exposing
> master table operations for coprocessors by way of MasterServices was how I
> solved this problem, and is generally useful for all master coprocessors.
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