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Posted to dev@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/03/23 10:40:25 UTC

[jira] [Created] (FLINK-3659) Allow ConnectedStreams to Be Keyed on Only One Side

Aljoscha Krettek created FLINK-3659:
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             Summary: Allow ConnectedStreams to Be Keyed on Only One Side
                 Key: FLINK-3659
                 URL: https://issues.apache.org/jira/browse/FLINK-3659
             Project: Flink
          Issue Type: Improvement
          Components: Streaming
    Affects Versions: 1.0.0
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek


Currently, we only allow partitioned state when both inputs are keyed (with the same key type). I think a valid use case is to have only one side keyed and have the other side broadcast to publish some updates that are relevant for all keys.

When relaxing the requirement to have only one side keyed we must still ensure that the same key is used if both sides are keyed.

[~gyfora] Did you try this with what you're working on?



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