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https://issues.apache.org/jira/browse/FLINK-1277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fabian Hueske resolved FLINK-1277.
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Resolution: Duplicate
Duplicate of FLINK-658
> Support sort order for coGroup inputs
> -------------------------------------
>
> Key: FLINK-1277
> URL: https://issues.apache.org/jira/browse/FLINK-1277
> Project: Flink
> Issue Type: Improvement
> Reporter: Till Rohrmann
>
> The current Java and Scala API lack the possibility to specify the sort order
> of the inputs of coGroup. It would be nice to be able to specify them like on
> a grouped data set. The syntax could look the following way
> {code}
> a.coGroup(b).sortFirst(0, Order.ASCENDING).sortSecond("id",
> Order.DESCENDING).where(1).equal(0).apply()
> {code}
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