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https://issues.apache.org/jira/browse/HADOOP-2350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HADOOP-2350:
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    Attachment: patch.txt

> hbase scanner api returns null row names, or skips row names if different 
> column families do not have entries for some rows
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2350
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2350
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: Michael Bieniosek
>            Assignee: Jim Kellerman
>            Priority: Critical
>             Fix For: 0.16.0
>
>         Attachments: patch.txt, TestScannerAPI.java
>
>
> I'm attaching a test case that fails.
> I noticed that if I create a table with two column families, and start a 
> scanner on a row which only has an entry for one column family, the scanner 
> will skip ahead to the row name for which the other column family has an 
> entry.
> eg., if I insert rows so my table will look like this:
> {code}
> row - a:a - b:b
> aaa   a:1   nil
> bbb   a:2   b:2
> ccc   a:3   b:3
> {code}
> The scanner will tell me my table looks something like this:
> {code}
> row - a:a - b:b
> bbb   a:1   b:2
> bbb   a:2   b:3
> {code}

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