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Packages that use org.apache.hadoop.mapred.join | |
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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. |
Classes in org.apache.hadoop.mapred.join used by org.apache.hadoop.mapred.join | |
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ComposableInputFormat
Refinement of InputFormat requiring implementors to provide ComposableRecordReader instead of RecordReader. |
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ComposableRecordReader
Additional operations required of a RecordReader to participate in a join. |
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CompositeRecordReader
A RecordReader that can effect joins of RecordReaders sharing a common key type and partitioning. |
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JoinRecordReader
Base class for Composite joins returning Tuples of arbitrary Writables. |
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MultiFilterRecordReader
Base class for Composite join returning values derived from multiple sources, but generally not tuples. |
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Parser.Node
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Parser.Token
Tagged-union type for tokens from the join expression. |
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Parser.TType
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ResetableIterator
This defines an interface to a stateful Iterator that can replay elements added to it directly. |
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TupleWritable
Writable type storing multiple Writable s. |
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