[jira] [Created] (FLINK-7900) Add a Rich KeySelector

[Shang Yuanchun (Jira)]

Hai Zhou UTC+8 created FLINK-7900:
-------------------------------------

             Summary: Add a Rich KeySelector
                 Key: FLINK-7900
                 URL: https://issues.apache.org/jira/browse/FLINK-7900
             Project: Flink
          Issue Type: Improvement
          Components: DataStream API
            Reporter: Hai Zhou UTC+8
            Priority: Critical


Currently, we just have a `KeySelector` Function, maybe we should add a `RichKeySelector` RichFunction, for the user to read some configuration information to build the keySelector they need.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)