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

- Packages that use CompositeRecordReader
  Package | Description
  --- | ---
  org.apache.hadoop.mapred.join |

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

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

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