Mike Percy created KUDU-2645:
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Summary: 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
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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