org.apache.hadoop.hive.ql.udf

Class UDFYear

java.lang.Object

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

org.apache.hadoop.hive.ql.udf.UDFYear

public class UDFYear
extends UDF

UDFYear.

Constructor Summary

Constructors

Constructor and Description
UDFYear()

Method Summary

Modifier and Type	Method and Description
IntWritable	evaluate(DateWritable d)
IntWritable	evaluate(Text dateString) Get the year from a date string.
IntWritable	evaluate(TimestampWritable t)

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

UDFYear

public UDFYear()

Method Detail

evaluate

public IntWritable evaluate(Text dateString)

Get the year from a date string.

Parameters:

dateString - the dateString in the format of "yyyy-MM-dd HH:mm:ss" or "yyyy-MM-dd".

Returns:

an int from 1 to 12. null if the dateString is not a valid date string.

evaluate

public IntWritable evaluate(DateWritable d)

evaluate

public IntWritable evaluate(TimestampWritable t)