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Posted to issues@flink.apache.org by "Hai Zhou UTC+8 (JIRA)" <ji...@apache.org> on 2017/10/23 08:03:00 UTC
[jira] [Created] (FLINK-7900) Add a Rich KeySelector
Hai Zhou UTC+8 created FLINK-7900:
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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.
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