Github user fhueske commented on the pull request:
https://github.com/apache/flink/pull/1097#issuecomment-140347951
If you add a type field (or enum) to the option, you can check if you can
cast the string into the requested type. Since we would only support a fixed
set of types (the primitives I listed above) this should be quite easy.
---
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 infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
