Matt Corgan created HBASE-6907:
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Summary: KeyValue equals and compareTo methods should match
Key: HBASE-6907
URL: https://issues.apache.org/jira/browse/HBASE-6907
Project: HBase
Issue Type: Bug
Components: util
Reporter: Matt Corgan
Fix For: 0.96.0
KeyValue.KVComparator includes the memstoreTS when comparing, however the
KeyValue.equals() method ignores the memstoreTS.
The Comparator interface has always specified that comparator return 0 when
equals would return true and vice versa. Obeying that rule has been sort of
optional in the past, but Java 7 introduces a new default collection sorting
algorithm called Tim Sort which relies on that behavior.
http://bugs.sun.com/view_bug.do?bug_id=6804124
Possible problem spots:
* there's a Collections.sort(KeyValues) in
RedundantKVGenerator.generateTestKeyValues(..)
* TestColumnSeeking compares two collections of KeyValues using the containsAll
method. It is intentionally ignoring memstoreTS, so will need an alternative
method for comparing the two collections.
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