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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hive/LanguageManual/UDF" by JohnSichi
Date Fri, 24 Sep 2010 18:00:28 GMT
Dear Wiki user,

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The "Hive/LanguageManual/UDF" page has been changed by JohnSichi.
http://wiki.apache.org/hadoop/Hive/LanguageManual/UDF?action=diff&rev1=54&rev2=55

--------------------------------------------------

  ||! A ||boolean ||Same as NOT A ||
  
  
+ === Complex Type Constructors ===
  
+ The following functions construct instances of complex types.
+ 
+ ||<10%>'''Constructor Function''' ||<10%>'''Operands''' ||'''Description'''
||
+ ||map||(key1, value1, key2, value2, ...)||Creates a map with the given key/value pairs||
+ ||struct||(val1, val2, val3, ...)||Creates a struct with the given field values.  Struct
field names will be col1, col2, ...||
+ ||array||(val1, val2, ...)||Creates an array with the given elements||
  
  === Operators on Complex Types ===
  The following operators provide mechanisms to access elements in  Complex Types
@@ -72, +79 @@

  
  
  == Built-in Functions ==
+ 
  === Mathematical Functions ===
  The following built-in mathematical functions are supported in hive; most return NULL when
the argument(s) are NULL:
  ||<10%>'''Return Type''' ||<15%>'''Name(Signature)''' ||'''Description''' ||

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