org.apache.hadoop.hive.ql.udf

Class UDFWeekOfYear

java.lang.Object

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

org.apache.hadoop.hive.ql.udf.UDFWeekOfYear

public class UDFWeekOfYear
extends UDF

UDFWeekOfYear.

Constructor Summary

Constructors

Constructor and Description
UDFWeekOfYear()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.io.IntWritable	evaluate(DateWritable d)
org.apache.hadoop.io.IntWritable	evaluate(org.apache.hadoop.io.Text dateString) Get the week of the year from a date string.
org.apache.hadoop.io.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

UDFWeekOfYear

public UDFWeekOfYear()

Method Detail

evaluate

public org.apache.hadoop.io.IntWritable evaluate(org.apache.hadoop.io.Text dateString)

Get the week of 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 53. null if the dateString is not a valid date string.

evaluate

public org.apache.hadoop.io.IntWritable evaluate(DateWritable d)

evaluate

public org.apache.hadoop.io.IntWritable evaluate(TimestampWritable t)