hadoop-common-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
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,

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

The "Hive/LanguageManual/UDF" page has been changed by JohnSichi.


  ||! 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''' ||

View raw message