[jira] [Commented] (FLINK-28037) Flink SQL Upsert-Kafka can not support Flink1.14.x

["Qingsheng Ren (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-28037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17561261#comment-17561261 ] 

Qingsheng Ren commented on FLINK-28037:
---------------------------------------

Thanks for reporting this issue [~Jiangfei Liu] . I think it's a bug in `ReducingUpsertWriter` that the context wrapper doesn't handle the case without timestamp correctly. I'll take over the issue. 

> Flink SQL Upsert-Kafka can not support Flink1.14.x
> --------------------------------------------------
>
>                 Key: FLINK-28037
>                 URL: https://issues.apache.org/jira/browse/FLINK-28037
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / Kafka
>    Affects Versions: 1.14.4
>         Environment: Flink Version: 1.14.0 1.14.2 1.14.3 1.14.4
>            Reporter: Jiangfei Liu
>            Priority: Major
>              Labels: flink-connector-kafka, upser-kafka
>         Attachments: kafka-sql.png, kafka-sql2.png
>
>
> in Flink 1.14.x，flink sql upsert-kafka sink can not write data into kafka topic with sink buffer flush config，eg 
> h5. sink.buffer-flush.max-rows
> h5. sink.buffer-flush.interval
> in Flink1.13.x，flink sql upsert-kafka sink can write data into kafka topic with sink buffer lush config



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