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https://issues.apache.org/jira/browse/HBASE-13944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14596229#comment-14596229
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Anoop Sam John commented on HBASE-13944:
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The contract in interface says abt the return value for seek(Cell) and the
result of call to next(). But not getKeyValue() after the call to seek().
The caller expected to call next() after doing the seek (?)
> Prefix_Tree seeks to null if the seeked Cell is greater than the last key in
> the file
> -------------------------------------------------------------------------------------
>
> Key: HBASE-13944
> URL: https://issues.apache.org/jira/browse/HBASE-13944
> Project: HBase
> Issue Type: Bug
> Components: prefixtree, Scanners
> Affects Versions: 1.0.0, 1.0.1, 1.1.0, 0.98.13, 1.0.1.1, 1.1.0.1
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Minor
> Fix For: 2.0.0
>
>
> When using any DBE other than Prefix_Tree when the internal scanners seek to
> a key greater than the last key in the file, when we do scanner.getKeyValue()
> we get the last key in the file, whereas PrefixTree seeks to null. This is a
> behaviour change. May be in the actual scan case we may not end up in this
> scenario, need to check with a testcase. But the test in
> TestSeekTo.testSeekTo() has a clear illustration of this problem.
> Will take this up after the current activities.
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