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Posted to dev@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2014/10/05 15:31:34 UTC

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

Robert Metzger created FLINK-1138:
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             Summary: 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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