org.apache.hadoop.hive.ql.exec

Class PartitionKeySampler

java.lang.Object

org.apache.hadoop.hive.ql.exec.PartitionKeySampler

public class PartitionKeySampler
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Comparator<byte[]>	C

Constructor Summary

Constructors

Constructor and Description
PartitionKeySampler()

Method Summary

Modifier and Type	Method and Description
void	addSampleFile(Path inputPath, JobConf job)
void	collect(HiveKey key, java.lang.Object value)
static org.apache.hadoop.hive.ql.exec.PartitionKeySampler.FetchSampler	createSampler(FetchWork work, HiveConf conf, JobConf job, Operator<?> operator)
void	writePartitionKeys(Path path, JobConf job)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

C

public static final java.util.Comparator<byte[]> C

Constructor Detail

PartitionKeySampler

public PartitionKeySampler()

Method Detail

addSampleFile

public void addSampleFile(Path inputPath,
                          JobConf job)
                   throws java.io.IOException

Throws:

java.io.IOException

collect

public void collect(HiveKey key,
                    java.lang.Object value)
             throws java.io.IOException

Throws:

java.io.IOException

writePartitionKeys

public void writePartitionKeys(Path path,
                               JobConf job)
                        throws java.io.IOException

Throws:

java.io.IOException

createSampler

public static org.apache.hadoop.hive.ql.exec.PartitionKeySampler.FetchSampler createSampler(FetchWork work,
                                                                                            HiveConf conf,
                                                                                            JobConf job,
                                                                                            Operator<?> operator)