apache/incubator-flink — pull request #198 by StephanEwen (2014-11-12 20:50:51+00:00)
Title: [FLINK-1235] Compiler accepts iterations referenced from the static path of other iterations

- Fix NepheleJobGraphGenerator to support iterations referenced on the static path of another iteration
- Catch nested iterations on dynamic path properly in optimizer (and give a good error message)