org.apache.pig.backend.hadoop

Class HDataType

java.lang.Object

org.apache.pig.backend.hadoop.HDataType

public class HDataType
extends java.lang.Object

A class of helper methods for converting from pig data types to hadoop data types, and vice versa.

Constructor Summary

Constructors

Constructor and Description
HDataType()

Method Summary

Methods

Modifier and Type	Method and Description
static byte	findTypeFromNullableWritable(PigNullableWritable o)
static PigNullableWritable	getWritableComparable(java.lang.String className)
static PigNullableWritable	getWritableComparableTypes(byte type)
static PigNullableWritable	getWritableComparableTypes(java.lang.Object o, byte keyType)

Methods inherited from class java.lang.Object

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

Constructor Detail

HDataType

public HDataType()

Method Detail

getWritableComparable

public static PigNullableWritable getWritableComparable(java.lang.String className)
                                                 throws ExecException

Throws:

ExecException

getWritableComparableTypes

public static PigNullableWritable getWritableComparableTypes(java.lang.Object o,
                                             byte keyType)
                                                      throws ExecException

Throws:

ExecException

getWritableComparableTypes

public static PigNullableWritable getWritableComparableTypes(byte type)
                                                      throws ExecException

Throws:

ExecException

findTypeFromNullableWritable

public static byte findTypeFromNullableWritable(PigNullableWritable o)
                                         throws ExecException

Throws:

ExecException