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Posted to issues@flink.apache.org by "yanxiaobin (JIRA)" <ji...@apache.org> on 2018/01/31 03:02:00 UTC
[jira] [Comment Edited] (FLINK-8500) Get the timestamp of the Kafka
message from kafka consumer(Kafka010Fetcher)
[ https://issues.apache.org/jira/browse/FLINK-8500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16346180#comment-16346180 ]
yanxiaobin edited comment on FLINK-8500 at 1/31/18 3:01 AM:
------------------------------------------------------------
hi,[~aljoscha] , thank you for your reply!Please look at the next picture！
!image-2018-01-31-10-48-59-633.png!
The final eventtime is obtained from “{color:#000080}final long {color}newTimestamp = extractAscendingTimestamp(element);“ , and the element was deserialized from "KeyedDeserializationSchema" . Also the parameter "elementPrevTimestamp" that is Kafka timestamp is not used! Thanks!
was (Author: backlight):
hi,[~aljoscha] , thank you for your reply!Please look at the next picture！
!image-2018-01-31-10-48-59-633.png!
The final eventtime is obtained from “{color:#000080}final long {color}newTimestamp = extractAscendingTimestamp(element);“ , and the element was deserialized from "KeyedDeserializationSchema" . Also the parameter "elementPrevTimestamp" is not used! Thanks!
> 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
> Attachments: image-2018-01-30-14-58-58-167.png, image-2018-01-31-10-48-59-633.png
>
>
> The method deserialize of KeyedDeserializationSchema needs a parameter 'kafka message timestamp' (from ConsumerRecord) .In some business scenarios, this is useful！
>
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