Piggy Bank - User Defined Pig Functions The Piggy Bank is a place for Pig users to share their functions. The functions are contributed "as-is". If you find a bug or if you feel a function is missing, take the time to fix it or write it yourself and contribute the changes. Shared code is in the Apache Pig SVN repo. For APIs see 'contrib: Piggybank' entries in the main Pig Javadoc API pages, eg. 0.