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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10623) Add ability to read a row after applying a RowMutation
Date Thu, 27 Feb 2014 19:15:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13914912#comment-13914912

stack commented on HBASE-10623:

What is your use case Michael?  I can understand reading back Increments or Appends but not
sure why for anything else?  Yes, it looks like it should be easy to add as an attribute on
the multi row mutation call.  Thanks.

> Add ability to read a row after applying a RowMutation
> ------------------------------------------------------
>                 Key: HBASE-10623
>                 URL: https://issues.apache.org/jira/browse/HBASE-10623
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Michael Webster
>            Priority: Minor
> It would be useful to be able to return a row to the user after all of the mutations
in a RowMutation operation has been applied.  This would be similar to transactions in Redis
where the result of executing an operation is returned to the user.  However, since RowMutations
only affect a single row, only the final result would need to be returned.  This could allow
for a snapshot view of the row without requiring any timestamp manipulation, or a second read
by the client.
> Looking at the implementation of RowMutations, it seems like the Get could be done after
the write has been committed but before the row locks are released.

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