Allow setting of end-of-record delimiter for TextInputFormat
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Key: HADOOP-7096
URL: https://issues.apache.org/jira/browse/HADOOP-7096
Project: Hadoop Common
Issue Type: Improvement
Reporter: Ahmed Radwan
Attachments: 2.patch
The patch for https://issues.apache.org/jira/browse/MAPREDUCE-2254 required
minor changes to the LineReader class to allow extensions (see attached
2.patch). Description copied below:
It will be useful to allow setting the end-of-record delimiter for
TextInputFormat. The current implementation hardcodes '\n', '\r' or '\r\n' as
the only possible record delimiters. This is a problem if users have impeded
newlines in their data fields (which is pretty common). This is also a problem
for other tools using this TextInputFormat (See for example:
https://issues.apache.org/jira/browse/PIG-836 and
https://issues.cloudera.org/browse/SQOOP-136).
I have wrote a patch to address this issue. This patch allows users to specify
any custom end-of-record delimiter using a new added configuration property.
For backward compatibility, if this new configuration property is absent, then
the same exact previous delimiters are used (i.e., '\n', '\r' or '\r\n').
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