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The following page has been changed by UtkarshSrivastava: http://wiki.apache.org/pig/PigFunctions The comment on the change is: removed obsolete group functions and filter functions ------------------------------------------------------------------------------ [[Anchor(Example)]] ==== Example ==== + The following example uses each of the types of functions. It computes the set of unique IP addresses associated with "good" products drawn from a list of products found on the web. {{{ @@ -31, +32 @@ }}} In the above example, !MyListStorage() serves as a load function as well as a store function; !MyHostExtractor() and !MyIPLookup() are eval functions. `myFunctions.jar` is a jar file that contains the classes for the user-defined functions. + [[Anchor(How_to_write_functions)]] === How to write functions ===
