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Posted to dev@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2015/10/05 09:14:26 UTC

[jira] [Created] (FLINK-2819) Add Windowed Join/CoGroup Operator Based on Tagged Union

Aljoscha Krettek created FLINK-2819:
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             Summary: Add Windowed Join/CoGroup Operator Based on Tagged Union
                 Key: FLINK-2819
                 URL: https://issues.apache.org/jira/browse/FLINK-2819
             Project: Flink
          Issue Type: Sub-task
          Components: Streaming
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek
             Fix For: 0.10


This will add a Join/CoGroup operation that reuses the new windowing code. The implementation should be similar to how a join can be implemented on MapReduce using tags for the two input side and then pulling them apart again in the reduce operation.



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