[HBase] TableInputFormat.TableRecordReader.next has a bug
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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
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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