Github user andrewpalumbo commented on the pull request:
https://github.com/apache/flink/pull/1829#issuecomment-200413224
This method would be very useful to us, e.g., when assigning ordinal
indices to the elements of a `DataSet` from an external mapping. I would not
think that this is too specific a use case.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---