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https://issues.apache.org/jira/browse/FLINK-3045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15024143#comment-15024143
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ASF GitHub Bot commented on FLINK-3045:
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Github user aljoscha commented on the pull request:
https://github.com/apache/flink/pull/1385#issuecomment-159213694
Looks good, we should harmonize the generic types of
`KeyedSerializationSchema`, `SerializationSchema` and `DeserializationSchema`,
though. I.e. some have `R` and some don't.
> Properly expose the key of a kafka message
> ------------------------------------------
>
> Key: FLINK-3045
> URL: https://issues.apache.org/jira/browse/FLINK-3045
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Reporter: Robert Metzger
> Assignee: Robert Metzger
> Priority: Critical
>
> Currently, the {{flink-kafka-connector}} is not properly exposing the message
> key.
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