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https://issues.apache.org/jira/browse/HBASE-9879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812966#comment-13812966
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Andrew Purtell commented on HBASE-9879:
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bq. To be precise, the idea was to optionally let a Table or ColumnFamily
declare whether or not it would allow a client to set timestamps.
Yes, sorry, with the default being false.
> Can't undelete a KeyValue
> -------------------------
>
> Key: HBASE-9879
> URL: https://issues.apache.org/jira/browse/HBASE-9879
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.96.0
> Reporter: Benoit Sigoure
>
> Test scenario:
> put(KV, timestamp=100)
> put(KV, timestamp=200)
> delete(KV, timestamp=200, with MutationProto.DeleteType.DELETE_ONE_VERSION)
> get(KV) => returns value at timestamp=100 (OK)
> put(KV, timestamp=200)
> get(KV) => returns value at timestamp=100 (but not the one at timestamp=200
> that was "reborn" by the previous put)
> Is that normal?
> I ran into this bug while running the integration tests at
> https://github.com/OpenTSDB/asynchbase/pull/60 – the first time you run it,
> it passes, but after that, it keeps failing. Sorry I don't have the
> corresponding HTable-based code but that should be fairly easy to write.
> I only tested this with 0.96.0, dunno yet how this behaved in prior releases.
> My hunch is that the tombstone added by the DELETE_ONE_VERSION keeps
> shadowing the value even after it's reborn.
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