| Package | Description | 
|---|---|
| org.apache.hadoop.mapred.join | 
| Modifier and Type | Class and Description | 
|---|---|
| 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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