パッケージ | 説明 |
---|---|
org.apache.hadoop.mapred.join |
修飾子とタイプ | クラスと説明 |
---|---|
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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