org.apache.hadoop.hive.ql.udf

Class UDFToShort

java.lang.Object

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

org.apache.hadoop.hive.ql.udf.UDFToShort

public class UDFToShort
extends UDF

UDFToShort.

Constructor Summary

Constructors

Constructor and Description
UDFToShort()

Method Summary

Modifier and Type	Method and Description
ShortWritable	evaluate(BooleanWritable i) Convert from boolean to a short.
ShortWritable	evaluate(FloatWritable i) Convert from float to a short.
ShortWritable	evaluate(IntWritable i) Convert from integer to a short.
ShortWritable	evaluate(LongWritable i) Convert from long to a short.
ShortWritable	evaluate(NullWritable i) Convert from void to a short.
ShortWritable	evaluate(Text i) Convert from string to a short.

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

UDFToShort

public UDFToShort()

Method Detail

evaluate

public ShortWritable evaluate(NullWritable i)

Convert from void to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The void value to convert

Returns:

ShortWritable

evaluate

public ShortWritable evaluate(BooleanWritable i)

Convert from boolean to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The boolean value to convert

Returns:

ShortWritable

evaluate

public ShortWritable evaluate(IntWritable i)

Convert from integer to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The integer value to convert

Returns:

ShortWritable

evaluate

public ShortWritable evaluate(LongWritable i)

Convert from long to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The long value to convert

Returns:

ShortWritable

evaluate

public ShortWritable evaluate(FloatWritable i)

Convert from float to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The float value to convert

Returns:

ShortWritable

evaluate

public ShortWritable evaluate(Text i)

Convert from string to a short. This is called for CAST(... AS SMALLINT)

Parameters:

i - The string value to convert

Returns:

ShortWritable