org.apache.hadoop.hive.ql.udf
Class UDFDayOfMonth

java.lang.Object
  org.apache.hadoop.hive.ql.exec.UDF
      org.apache.hadoop.hive.ql.udf.UDFDayOfMonth

public class UDFDayOfMonth
extends UDF

UDFDayOfMonth.

Constructor Summary

UDFDayOfMonth()

Method Summary

org.apache.hadoop.io.IntWritable	evaluate(org.apache.hadoop.io.Text dateString) Get the day of month 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

UDFDayOfMonth

public UDFDayOfMonth()

Method Detail

evaluate

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

Get the day of month 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 31. null if the dateString is not a valid date string.

evaluate

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