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https://issues.apache.org/jira/browse/HBASE-2579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919392#action_12919392
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HBase Review Board commented on HBASE-2579:
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Message from: [email protected]
bq. On 2010-05-25 12:32:28, Todd Lipcon wrote:
bq. > Looks pretty good. The one thing I don't like is that checkAndMutate
takes a Writable, and then downcasts based on instanceof. Can we extract a
common interface between Put and Delete? maybe something like RowMutation or
RowOperation, which would have getRowLock and a "performMutation()" or
something? What do you guys think?
bq.
bq. Ryan Rawson wrote:
bq. I think we should address that in a different JIRA, just because its
more of an API design. This is one more API endpoint and that is more of a
refactor.
bq.
bq. Todd Lipcon wrote:
bq. Fair enough
So, is this ready for commit? (we can address Todd comments on commit). I can
make an issue for common interface across Delete/Put.
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> Add atomic checkAndDelete support
> ---------------------------------
>
> Key: HBASE-2579
> URL: https://issues.apache.org/jira/browse/HBASE-2579
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Michael Dalton
> Fix For: 0.90.0
>
> Attachments: 2579-v2.patch, 2579.patch
>
>
> Currently HBase has support for atomic checkAndPut operations on individual
> rows. It would be very useful to also support atomic checkAndDelete. I have
> added support for atomic checkAndDelete to trunk and will provide the
> corresponding patch tonight after I merge in any upstream changes from the
> last few days.
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