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https://issues.apache.org/jira/browse/FLINK-2681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Knauf updated FLINK-2681:
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Issue Type: Improvement (was: Wish)
As part of https://issues.apache.org/jira/browse/FLINK-22029 the "Wish" issue
type will be dropped. I changed this one to "Improvement" instead.
> 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: Improvement
> Components: API / Scala
> 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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