| Package | Description | 
|---|---|
| org.apache.crunch.lib | Joining, sorting, aggregating, and other commonly used functionality. | 
| org.apache.crunch.lib.sort | 
| Modifier and Type | Method and Description | 
|---|---|
| static Sort.ColumnOrder | Sort.ColumnOrder. by(int column,
  Sort.Order order) | 
| Modifier and Type | Method and Description | 
|---|---|
| static <U,V> PCollection<Pair<U,V>> | Sort. sortPairs(PCollection<Pair<U,V>> collection,
         Sort.ColumnOrder... columnOrders)Sorts the  PCollectionofPairs using the specified column
 ordering. | 
| static <V1,V2,V3,V4> | Sort. sortQuads(PCollection<Tuple4<V1,V2,V3,V4>> collection,
         Sort.ColumnOrder... columnOrders)Sorts the  PCollectionofTuple4s using the specified column
 ordering. | 
| static <V1,V2,V3> PCollection<Tuple3<V1,V2,V3>> | Sort. sortTriples(PCollection<Tuple3<V1,V2,V3>> collection,
           Sort.ColumnOrder... columnOrders)Sorts the  PCollectionofTuple3s using the specified column
 ordering. | 
| static <T extends Tuple> | Sort. sortTuples(PCollection<T> collection,
          int numReducers,
          Sort.ColumnOrder... columnOrders)Sorts the  PCollectionofTupleNs using the specified column
 ordering and a client-specified number of reducers. | 
| static <T extends Tuple> | Sort. sortTuples(PCollection<T> collection,
          Sort.ColumnOrder... columnOrders)Sorts the  PCollectionof tuples using the specified column ordering. | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | TupleWritableComparator. configureOrdering(org.apache.hadoop.conf.Configuration conf,
                 WritableType[] types,
                 Sort.ColumnOrder[] columnOrders) | 
| static <S> org.apache.avro.Schema | SortFns. createOrderedTupleSchema(PType<S> ptype,
                        Sort.ColumnOrder[] orders)Constructs an Avro schema for the given  PType<S>that respects the given column
 orderings. | 
| Constructor and Description | 
|---|
| KeyExtraction(PType<V> ptype,
             Sort.ColumnOrder[] columnOrder) | 
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