[jira] [Created] (FLINK-1456) Projection to fieldnames, keyselectors

[Shang Yuanchun (Jira)]

Márton Balassi created FLINK-1456:
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             Summary: Projection to fieldnames, keyselectors
                 Key: FLINK-1456
                 URL: https://issues.apache.org/jira/browse/FLINK-1456
             Project: Flink
          Issue Type: New Feature
          Components: Java API, Streaming
    Affects Versions: 0.9
            Reporter: Márton Balassi
            Assignee: Márton Balassi


The projection operator of both the batch and the streaming APIs only support projections with field positions as parameters. I'd like to extend this functionality with projection to fieldnames, and keyselectors providing a similar API to what groupBy already has.



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