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Posted to common-dev@hadoop.apache.org by "Ning Li (JIRA)" <ji...@apache.org> on 2007/08/26 22:07:30 UTC
[jira] Updated: (HADOOP-1785) [HBase]
TableInputFormat.TableRecordReader.next has a bug
[ https://issues.apache.org/jira/browse/HADOOP-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ning Li updated HADOOP-1785:
----------------------------
Attachment: TableInputFormat.patch
> [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
> Priority: Minor
> Attachments: TableInputFormat.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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