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https://issues.apache.org/jira/browse/HBASE-3246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12935137#action_12935137
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Jonathan Gray commented on HBASE-3246:
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@Stack, and yeah, all of our client classes are not thread-safe. If you wanted
to use an Increment across threads you'd have to do your own synchronization,
but I think that would be kind of odd. Can add a note that class is not
thread-safe in the javadoc.
> Add API to Increment client class that increments rather than replaces the
> amount for a column when done multiple times
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-3246
> URL: https://issues.apache.org/jira/browse/HBASE-3246
> Project: HBase
> Issue Type: Improvement
> Components: client
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Attachments: HBASE-3246-v1.patch
>
>
> In the new Increment class, the API to add columns is {{addColumn()}}. If
> you do this multiple times for an individual column, the amount to increment
> by is replaced. I think this is the right way for this method to work and it
> is javadoc'd with the behavior.
> We should add a new method, {{incrementColumn()}} which will increment any
> existing amount for the specified column rather than replacing it.
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