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Package org.apache.pig.data

Added Classes
ReadOnceBag.ReadOnceBagIterator  
 

Changed Classes
DefaultAbstractBag Default implementation of DataBag.
ReadOnceBag This bag does not store the tuples in memory but has access to an iterator typically provided by Hadoop.
SelfSpillBag.MemoryLimits This class helps to compute the number of entries that should be held in memory so that memory consumption is limited.