org.apache.hadoop.hive.ql.udf
Class UDFDateSub
java.lang.Object
org.apache.hadoop.hive.ql.exec.UDF
org.apache.hadoop.hive.ql.udf.UDFDateSub
public class UDFDateSub
- extends UDF
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UDFDateSub
public UDFDateSub()
evaluate
public String evaluate(String dateString1,
int days)
- Subtract a number of days to the date.
The time part of the string will be ignored.
NOTE: This is a subset of what MySQL offers as:
http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_date-sub
- Parameters:
dateString1
- the date string in the format of "yyyy-MM-dd HH:mm:ss" or "yyyy-MM-dd".days
- the number of days to subtract.
- Returns:
- the date in the format of "yyyy-MM-dd".
Copyright © 2009 The Apache Software Foundation