linkedin/datafu — pull request #24 by rmelick (2013-01-15 01:30:15+00:00)
Title:  Add inputSchema checking to SimpleEvalFunc so the schema is checked at pig compile time, instead of run time.

I added input type validation at pig compile time instead of run time by overriding the outputSchema() method. Let me know if I need to write more unit tests to cover this code.