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

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

public class UDFDayOfMonth
extends UDF


Constructor Summary
UDFDayOfMonth()
           
 
Method Summary
 Integer evaluate(String dateString)
          Get the day of month from a date string.
 
Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF
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 Integer evaluate(String 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.


Copyright © 2009 The Apache Software Foundation