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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hive/LanguageManual/UDF" by ZhengShao
Date Sat, 21 Feb 2009 02:55:11 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by ZhengShao:
http://wiki.apache.org/hadoop/Hive/LanguageManual/UDF

------------------------------------------------------------------------------
  ||int ||year(string date) ||Return the year part of a date or a timestamp string: year("1970-01-01
00:00:00") = 1970, year("1970-01-01") = 1970||
  ||int ||month(string date) ||Return the month part of a date or a timestamp string: month("1970-11-01
00:00:00") = 11, month("1970-11-01") = 11||
  ||int ||day(string date) ||Return the day part of a date or a timestamp string: day("1970-11-01
00:00:00") = 1, day("1970-11-01") = 1 ||
+ 
+ === Conditional Functions ===
  ||T ||if(boolean testCondition, T valueTrue, T valueFalseOrNull) ||Return valueTrue when
testCondition is true, returns valueFalseOrNull otherwise ||
  
  === String Functions ===

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