[jira] [Created] (FLINK-1023) Provide Iterable instead of Iterator to grouped functions

["Ufuk Celebi (JIRA)" <ji...@apache.org>]

Ufuk Celebi created FLINK-1023:
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             Summary: Provide Iterable instead of Iterator to grouped functions
                 Key: FLINK-1023
                 URL: https://issues.apache.org/jira/browse/FLINK-1023
             Project: Flink
          Issue Type: Wish
          Components: Java API
            Reporter: Ufuk Celebi
            Priority: Trivial


I would like the grouped functions to provide an Iterable instead of an Iterator to the user, e.g. for the {{reduce}} method of {{GroupReduceFunction}}.

We had a discussion about this previously (I couldn't find the respective issues/list threads right now) and the result was in favor of the change.

We never got around to really push for it, because of the API break. With the renaming, it should be less of an issue.



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