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Package org.apache.pig.impl.io

Added Classes
NullablePartitionWritable NullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class.
NullableUnknownWritable This class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object.
PigLineRecordReader This class is for Reading data line by Line in Pig It uses org.apache.hadoop.mapred.LineRecordReader for reading simple Text For BZip it uses a different class which does not do buffering.
PigLineRecordReader.BufferingLineReader A buffering LineReader.
PigLineRecordReader.LineReader This is a simple implementation of LineReader without buffering
PigLineRecordReader.Reader Abstract class that is used to handle reading of values
 

Changed Classes
FileLocalizer