org.apache.hadoop.hive.ql.udf

Class UDFPower

java.lang.Object

org.apache.hadoop.hive.ql.exec.UDF

org.apache.hadoop.hive.ql.udf.UDFPower

public class UDFPower
extends UDF

UDFPower.

Constructor Summary

Constructors

Constructor and Description
UDFPower()

Method Summary

Modifier and Type	Method and Description
DoubleWritable	evaluate(DoubleWritable a, DoubleWritable b) Raise a to the power of b.
DoubleWritable	evaluate(DoubleWritable a, IntWritable b) Raise a to the power of b.
HiveDecimalWritable	evaluate(HiveDecimalWritable a, IntWritable b) Raise a to the power of b

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

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

Constructor Detail

UDFPower

public UDFPower()

Method Detail

evaluate

public DoubleWritable evaluate(DoubleWritable a,
                               DoubleWritable b)

Raise a to the power of b.

evaluate

public DoubleWritable evaluate(DoubleWritable a,
                               IntWritable b)

Raise a to the power of b.

evaluate

public HiveDecimalWritable evaluate(HiveDecimalWritable a,
                                    IntWritable b)

Raise a to the power of b