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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2015/08/10 15:50:45 UTC

[jira] [Resolved] (FLINK-1138) Allow users to specify methods instead of fields in key expressions

     [ https://issues.apache.org/jira/browse/FLINK-1138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen resolved FLINK-1138.
---------------------------------
    Resolution: Won't Fix

Not crucial, and more complex than anticipated

> Allow users to specify methods instead of fields in key expressions
> -------------------------------------------------------------------
>
>                 Key: FLINK-1138
>                 URL: https://issues.apache.org/jira/browse/FLINK-1138
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API
>            Reporter: Robert Metzger
>            Priority: Minor
>
> Currently, users can specify grouping fields only on the fields of a POJO.
> It would be nice to allow users also to name a method (such as "getVertexId()") to be called.



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