| 程序包 | 说明 |
|---|---|
| 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.
|
| 限定符和类型 | 类和说明 |
|---|---|
class |
CompositeInputFormat<K extends WritableComparable>
An InputFormat capable of performing joins over a set of data sources sorted
and partitioned the same way.
|
static class |
Parser.Node |
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