Uses of Class
org.apache.pig.impl.io.PigNullableWritable

Packages that use PigNullableWritable
org.apache.pig.backend.hadoop   
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer   
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners   
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators   
org.apache.pig.impl.io   
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop
 

Methods in org.apache.pig.backend.hadoop that return PigNullableWritable
static PigNullableWritable HDataType.getWritableComparableTypes(byte type)
           
static PigNullableWritable HDataType.getWritableComparableTypes(Object o, byte keyType)
           
 

Methods in org.apache.pig.backend.hadoop with parameters of type PigNullableWritable
static byte HDataType.findTypeFromNullableWritable(PigNullableWritable o)
           
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
 

Methods in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer with parameters of type PigNullableWritable
protected  void PigGenericMapReduce.ReduceWithComparator.reduce(PigNullableWritable key, Iterable<NullableTuple> tupIter, org.apache.hadoop.mapreduce.Mapper.Context context)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
protected  void PigGenericMapReduce.Reduce.reduce(PigNullableWritable key, Iterable<NullableTuple> tupIter, org.apache.hadoop.mapreduce.Reducer.Context context)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
protected  void PigCombiner.Combine.reduce(PigNullableWritable key, Iterable<NullableTuple> tupIter, org.apache.hadoop.mapreduce.Reducer.Context context)
          The reduce function which packages the key and List <Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
protected  void DistinctCombiner.Combine.reduce(PigNullableWritable key, Iterable<NullableTuple> tupIter, org.apache.hadoop.mapreduce.Reducer.Context context)
          The reduce function which removes values.
 

Method parameters in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer with type arguments of type PigNullableWritable
abstract  org.apache.hadoop.mapreduce.Mapper.Context PigGenericMapBase.getIllustratorContext(org.apache.hadoop.conf.Configuration conf, DataBag input, List<Pair<PigNullableWritable,org.apache.hadoop.io.Writable>> output, org.apache.hadoop.mapreduce.InputSplit split)
           
abstract  org.apache.hadoop.mapreduce.Reducer.Context PigGenericMapReduce.Reduce.getIllustratorContext(org.apache.hadoop.mapred.jobcontrol.Job job, List<Pair<PigNullableWritable,org.apache.hadoop.io.Writable>> input, POPackage pkg)
          Get reducer's illustrator context
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners
 

Fields in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners with type parameters of type PigNullableWritable
static Map<PigNullableWritable,DiscreteProbabilitySampleGenerator> WeightedRangePartitioner.weightedParts
           
 

Methods in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners with parameters of type PigNullableWritable
 int WeightedRangePartitioner.getPartition(PigNullableWritable key, org.apache.hadoop.io.Writable value, int numPartitions)
           
 int SkewedPartitioner.getPartition(PigNullableWritable wrappedKey, org.apache.hadoop.io.Writable value, int numPartitions)
           
 int SecondaryKeyPartitioner.getPartition(PigNullableWritable key, org.apache.hadoop.io.Writable value, int numPartitions)
           
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
 

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators with parameters of type PigNullableWritable
 void POPackage.attachInput(PigNullableWritable k, Iterator<NullableTuple> inp)
          Attaches the required inputs
 void POMultiQueryPackage.attachInput(PigNullableWritable k, Iterator<NullableTuple> inp)
           
 

Uses of PigNullableWritable in org.apache.pig.impl.io
 

Subclasses of PigNullableWritable in org.apache.pig.impl.io
 class NullableBag
           
 class NullableBooleanWritable
           
 class NullableBytesWritable
           
 class NullableDoubleWritable
           
 class NullableFloatWritable
           
 class NullableIntWritable
           
 class NullableLongWritable
           
 class NullablePartitionWritable
          NullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class.
 class NullableText
           
 class NullableTuple
           
 class NullableUnknownWritable
          This class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object.
 

Methods in org.apache.pig.impl.io that return PigNullableWritable
 PigNullableWritable NullablePartitionWritable.getKey()
           
 

Methods in org.apache.pig.impl.io with parameters of type PigNullableWritable
 void NullablePartitionWritable.setKey(PigNullableWritable k)
           
 

Constructors in org.apache.pig.impl.io with parameters of type PigNullableWritable
NullablePartitionWritable(PigNullableWritable k)
           
 



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