## 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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