twitter/scalding — pull request #850 by reconditesea (2014-04-08 05:03:20+00:00)
Title: Add TypesWhenWritingTsvJobTest

We have seen a weird type mismatch error when joining two RichPipes. It's possibly caused by cascading has changed the way it optimizes flows, and is reusing the on-disk representation.
Add this unit-test to validate this situation.