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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1785) [HBase] TableInputFormat.TableRecordReader.next has a bug
Date Tue, 28 Aug 2007 16:13:31 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HADOOP-1785:
--------------------------

    Attachment: TableInputFormat.take5.patch

Fix javadoc warnings

> [HBase] TableInputFormat.TableRecordReader.next has a bug
> ---------------------------------------------------------
>
>                 Key: HADOOP-1785
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1785
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: Ning Li
>            Assignee: stack
>            Priority: Minor
>             Fix For: 0.15.0
>
>         Attachments: TableInputFormat.patch, TableInputFormat.take2.patch, TableInputFormat.take3.patch,
TableInputFormat.take4.patch, TableInputFormat.take5.patch
>
>
> TableInputFormat.TableRecordReader.next has the following:
>   if (m_endRow.getLength() > 0 && (tKey.getRow().compareTo(m_endRow) <
0))
>           hasMore = false;
> It should be:
>   if (m_endRow.getLength() > 0 && (tKey.getRow().compareTo(m_endRow) >=
0))
>           hasMore = false;
> TestTableMapReduce test passes because it tested map-reduce on a single-region table.
> The problem only shows on a multi-region table. The patch includes changes to TestTableMapReduce
> so map-reduce is tested on a multi-region table as well. The multi-region table is created
> in a similar way as done in TestSplit.

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