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https://issues.apache.org/jira/browse/FLINK-8500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16337598#comment-16337598
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Aljoscha Krettek commented on FLINK-8500:
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The timestamp of Kafka messages is attached to elements. You can, for example,
access that using {{Context.timestamp()}} when using a {{ProcessFunction}}.
Is that good enough for your purposes?
> Get the timestamp of the Kafka message from kafka consumer(Kafka010Fetcher)
> ---------------------------------------------------------------------------
>
> Key: FLINK-8500
> URL: https://issues.apache.org/jira/browse/FLINK-8500
> Project: Flink
> Issue Type: Improvement
> Components: Kafka Connector
> Affects Versions: 1.4.0
> Reporter: yanxiaobin
> Priority: Major
>
> The method deserialize of KeyedDeserializationSchema needs a parameter
> 'kafka message timestamp' (from ConsumerRecord) .In some business scenarios,
> this is useful！
>
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