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

Constructor Summary

GenericUDFUtils.StringHelper(PrimitiveObjectInspector.PrimitiveCategory type)

Method Summary

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

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

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