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Posted to dev@flink.apache.org by "Fabian Hueske (JIRA)" <ji...@apache.org> on 2015/07/30 23:19:05 UTC

[jira] [Created] (FLINK-2442) PojoType fields not supported by field position keys

Fabian Hueske created FLINK-2442:
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             Summary: PojoType fields not supported by field position keys 
                 Key: FLINK-2442
                 URL: https://issues.apache.org/jira/browse/FLINK-2442
             Project: Flink
          Issue Type: Bug
          Components: Java API
    Affects Versions: 0.9
            Reporter: Fabian Hueske
            Assignee: Fabian Hueske
            Priority: Critical
             Fix For: 0.10, 0.9.1


Tuple fields which are Pojos (or any other non-tuple composite type) cannot be selected as keys by field position keys.

Something like 

{code}
DataSet<Tuple2<Integer, MyPojo>> data = ...
data.groupBy(1).reduce(...)
{code}

fails with an exception.



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