[jira] Created: (MAPREDUCE-2254) Allow setting of end-of-record delimiter for TextInputFormat

["Ahmed Radwan (JIRA)" <ji...@apache.org>]

Allow setting of end-of-record delimiter for TextInputFormat
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                 Key: MAPREDUCE-2254
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2254
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Ahmed Radwan


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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