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https://issues.apache.org/jira/browse/KUDU-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Percy updated KUDU-2645:
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Resolution: Fixed
Fix Version/s: 1.10.0
Status: Resolved (was: In Review)
Merged as 5953357
> Diff scanner should perform a merge on the rowset iterators at scan time
> ------------------------------------------------------------------------
>
> Key: KUDU-2645
> URL: https://issues.apache.org/jira/browse/KUDU-2645
> Project: Kudu
> Issue Type: New Feature
> Components: tablet
> Reporter: Mike Percy
> Assignee: Mike Percy
> Priority: Major
> Fix For: 1.10.0
>
>
> In order to perform a diff scan we will need the MergeIterator to ensure that
> duplicate ghost rows are not returned in cases where a row was deleted and
> flushed, then reinserted into a new rowset during the time period covered by
> the diff scan. In such a case, only one representation of the row should be
> returned, which is the reinserted one.
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