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Posted to issues@flink.apache.org by "Timo Walther (Jira)" <ji...@apache.org> on 2021/05/21 14:52:00 UTC

[jira] [Updated] (FLINK-22748) Allow dynamic target topic selection in Kafka sinks

     [ https://issues.apache.org/jira/browse/FLINK-22748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timo Walther updated FLINK-22748:
---------------------------------
    Component/s: Connectors / Kafka

> Allow dynamic target topic selection in Kafka sinks
> ---------------------------------------------------
>
>                 Key: FLINK-22748
>                 URL: https://issues.apache.org/jira/browse/FLINK-22748
>             Project: Flink
>          Issue Type: Improvement
>          Components: Connectors / Kafka, Table SQL / Ecosystem
>            Reporter: Timo Walther
>            Priority: Major
>
> We should allow to write to different Kafka topics based on some column value in SQL.
> The existing implementation can be easily adapted for that. The "target topic" would be an additional persisted metadata column in SQL terms. All one need to do is to adapt
> DynamicKafkaSerializationSchema
> KafkaDynamicSink
> We should guard this dynamic behavior via a config option and make the topic option optional in this case.



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