[jira] [Created] (FLINK-2681) Scala API does not support Either type to be used as key

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-2681:
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             Summary: Scala API does not support Either type to be used as key
                 Key: FLINK-2681
                 URL: https://issues.apache.org/jira/browse/FLINK-2681
             Project: Flink
          Issue Type: Wish
          Components: Scala API
            Reporter: Till Rohrmann
            Priority: Minor


The Scala API does not allow the user to use the {{EitherType}} as a key (for sorting, grouping e.g.). It could be helpful to support this type as a key.



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