org.apache.hadoop.hive.ql.udf.generic

Class GenericUDFUtils.StringHelper

java.lang.Object

org.apache.hadoop.hive.ql.udf.generic.GenericUDFUtils.StringHelper

Enclosing class:

GenericUDFUtils

public static class GenericUDFUtils.StringHelper
extends Object

Helper class for UDFs returning string/varchar/char

Field Summary

Fields

Modifier and Type	Field and Description
protected Object	returnValue
protected PrimitiveObjectInspector.PrimitiveCategory	type

Constructor Summary

Constructors

Constructor and Description
GenericUDFUtils.StringHelper(PrimitiveObjectInspector.PrimitiveCategory type)

Method Summary

Methods

Modifier and Type	Method and Description
static int	getFixedStringSizeForType(PrimitiveObjectInspector poi) Helper function to help GenericUDFs determine the return type character length for char/varchar.
Object	setReturnValue(String val)

Methods inherited from class java.lang.Object

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

Field Detail

returnValue

protected Object returnValue

type

protected PrimitiveObjectInspector.PrimitiveCategory type

Constructor Detail

GenericUDFUtils.StringHelper

public GenericUDFUtils.StringHelper(PrimitiveObjectInspector.PrimitiveCategory type)
                             throws UDFArgumentException

Throws:

UDFArgumentException

Method Detail

setReturnValue

public Object setReturnValue(String val)
                      throws UDFArgumentException

Throws:

UDFArgumentException

getFixedStringSizeForType

public static int getFixedStringSizeForType(PrimitiveObjectInspector poi)
                                     throws UDFArgumentException

Helper function to help GenericUDFs determine the return type character length for char/varchar.

Parameters:

poi - PrimitiveObjectInspector representing the type

Returns:

character length of the type

Throws:

UDFArgumentException