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The following page has been changed by CorinneC: http://wiki.apache.org/pig/WriteFunctions ------------------------------------------------------------------------------ [[Anchor(Writing_your_own_Pig_functions)]] + + '''Note:''' For Pig 0.2.0 or later, some content on this page may no longer be applicable. + == Pig User Defined Functions == Pig has a number of built-in functions for loading, filtering, aggregating data (for a complete list, see PigBuiltins.) However, if you want to do something specialized, you may need to write your own Pig user defined function (UDF). This page walks you through the process.
