Uses of Class
org.apache.hadoop.mapred.join.CompositeRecordReader

Packages that use CompositeRecordReader
org.apache.hadoop.mapred.join Given a set of sorted datasets keyed with the same class and yielding equal partitions, it is possible to effect a join of those datasets prior to the map. 
 

Uses of CompositeRecordReader in org.apache.hadoop.mapred.join
 

Subclasses of CompositeRecordReader in org.apache.hadoop.mapred.join
 class InnerJoinRecordReader<K extends WritableComparable>
          Full inner join.
 class JoinRecordReader<K extends WritableComparable>
          Base class for Composite joins returning Tuples of arbitrary Writables.
 class MultiFilterRecordReader<K extends WritableComparable,V extends Writable>
          Base class for Composite join returning values derived from multiple sources, but generally not tuples.
 class OuterJoinRecordReader<K extends WritableComparable>
          Full outer join.
 class OverrideRecordReader<K extends WritableComparable,V extends Writable>
          Prefer the "rightmost" data source for this key.
 



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