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From Apache Wiki <wikidi...@apache.org>
Subject [Pig Wiki] Update of "PigFunctions" by OlgaN
Date Wed, 07 Nov 2007 19:28:44 GMT
Dear Wiki user,

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

The following page has been changed by OlgaN:
http://wiki.apache.org/pig/PigFunctions

------------------------------------------------------------------------------
  STORE uniqueIPs INTO '/iplist.txt' USING MyListStorage();
  }}}
  
- In the above example, !MyListStorage() serves as a load function as well as a store function;
!MyFilter() is a filter function; !MyHostExtractor() is an eval function; !MyIPLookup() is
a group function. `myFunctions.jar` is a jar file that contains the classes for the user-defined
functions.
+ In the above example, !MyListStorage() serves as a load function as well as a store function;
!MyFilter() is a filter function; !MyHostExtractor() is an eval function; MyIPLookup() is
a group function. `myFunctions.jar` is a jar file that contains the classes for the user-defined
functions.
  
  [[Anchor(How_to_write_functions)]]
  === How to write functions ===
@@ -51, +51 @@

  You can use your functions following the steps below:
  
     * Put all the compiled files used by your function together into a jar file
-    * Tell Pig about that jar by the `register &lt;udfJar&gt;` command before using
the function. (If you are using PigLatin in embedded mode, call `PigServer.registerJar()`).
+    * Tell Pig about that jar by the `register <udfJar>` command before using the function.
(If you are using PigLatin in embedded mode, call `PigServer.registerJar()`).
     * Then use your function, as you would use a builtin! Its that simple.
  
  Example:

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