Class | Description |
---|---|
ColumnAsKeyPairFunction |
Very simple function to extract out one writable (by index) and use it as a key in the resulting PairRDD
For example, myWritable.mapToPair(new ColumnsAsKeyPairFunction(myKeyColumnIdx))
|
ColumnToKeyPairTransform |
Extract out one writable, and map it to a pair with count 1.
|
SequenceMergeFunction<T> | |
StringToWritablesFunction |
Convert a String to a List
|
SumLongsFunction2 |
Created by Alex on 03/09/2016.
|
WritablesToStringFunction |
Simple function to map an example to a String format (such as CSV)
with given quote around the string value if it contains the delimiter.
|