org.apache.hadoop.hive.ql.udf
Class UDFDateDiff
java.lang.Object
org.apache.hadoop.hive.ql.exec.UDF
org.apache.hadoop.hive.ql.udf.UDFDateDiff
public class UDFDateDiff
- extends UDF
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UDFDateDiff
public UDFDateDiff()
evaluate
public Integer evaluate(String dateString1,
String dateString2)
- Calculate the difference in the number of days.
The time part of the string will be ignored.
If dateString1 is earlier than dateString2, then the result can be negative.
- Parameters:
dateString1
- the date string in the format of "yyyy-MM-dd HH:mm:ss" or "yyyy-MM-dd".dateString2
- the date string in the format of "yyyy-MM-dd HH:mm:ss" or "yyyy-MM-dd".
- Returns:
- the difference in days.
Copyright © 2009 The Apache Software Foundation