[jira] Created: (HADOOP-2386) [hbase] Method to get a number of timestamped versions of a row all at once

[Bryan Duxbury (JIRA)]

[hbase] Method to get a number of timestamped versions of a row all at once
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                 Key: HADOOP-2386
                 URL: https://issues.apache.org/jira/browse/HADOOP-2386
             Project: Hadoop
          Issue Type: New Feature
          Components: contrib/hbase
            Reporter: Bryan Duxbury
            Priority: Trivial


If you have rows that are densely populated (most versions have all the 
columns) and heavily versioned, and if you are doing things like checking 
difference between the versions, it would be really handy to be able to get all 
of the versions and data at once. This method would let you do that.

{code}
Map<long, Map<Text, byte[]>> getRowTimestampsWithColumns(Text row);
Map<long, Map<Text, byte[]>> getRowTimestampsWithColumns(Text row, Text[] 
columns);
Map<long, Map<Text, byte[]>> getRowTimestampsWithColumns(Text row, Text[] 
columns, long timestamp);
Map<long, Map<Text, byte[]>> getRowTimestampsWithColumns(Text row, Text[] 
columns, long timestamp, int numVersions);
{code}

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