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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-44) [hbase] Method to get a number of timestamped versions of a row all at once
Date Tue, 02 Dec 2008 20:56:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-44?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652504#action_12652504
] 

stack commented on HBASE-44:
----------------------------

Doğacan, OK if we move this out of 0.19.0 and do it in 0.20.0 timeframe instead?

> [hbase] Method to get a number of timestamped versions of a row all at once
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-44
>                 URL: https://issues.apache.org/jira/browse/HBASE-44
>             Project: Hadoop HBase
>          Issue Type: Sub-task
>          Components: client
>            Reporter: Bryan Duxbury
>            Assignee: Doğacan Güney
>            Priority: Trivial
>             Fix For: 0.19.0
>
>
> 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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