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From "HBase Review Board (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-3211) Key (Index) Only Fetches
Date Thu, 11 Nov 2010 02:48:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930900#action_12930900
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HBase Review Board commented on HBASE-3211:
-------------------------------------------

Message from: "Ryan Rawson" <ryanobjc@gmail.com>

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This is an automatically generated e-mail. To reply, visit:
http://review.cloudera.org/r/1208/#review1903
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trunk/src/main/java/org/apache/hadoop/hbase/KeyValue.java
<http://review.cloudera.org/r/1208/#comment6125>

    my concern is far more down to earth here, the problem is that KeyValue is an immutable
object that _sometimes_ mutates. Having this function call:
    
    public KeyValue getKeyOnly() {
     // insert implementation that doesnt modify this here
    }
    
    would be better.
    


- Ryan





> Key (Index) Only Fetches
> ------------------------
>
>                 Key: HBASE-3211
>                 URL: https://issues.apache.org/jira/browse/HBASE-3211
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Kannan Muthukkaruppan
>            Assignee: Jonathan Gray
>             Fix For: 0.90.0
>
>         Attachments: HBASE-3211-v2.patch, HBASE-3211-v3.patch
>
>
> When you retrieve data from HBase you get Key (Row+Column+Timestamp) + Values. 
> It would be nice to have a mode where we only fetch the keys (i.e. the index) but not
the values.

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