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https://issues.apache.org/jira/browse/FLINK-14729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-14729:
-----------------------------------
Labels: auto-deprioritized-major features pull-request-available
stale-minor (was: auto-deprioritized-major features pull-request-available)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Minor but is unassigned and neither itself nor its Sub-Tasks have been updated
for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is
still Minor, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> Multi-topics consuming from KafkaTableSource
> --------------------------------------------
>
> Key: FLINK-14729
> URL: https://issues.apache.org/jira/browse/FLINK-14729
> Project: Flink
> Issue Type: New Feature
> Components: Connectors / Kafka
> Reporter: Leo Zhang
> Priority: Minor
> Labels: auto-deprioritized-major, features,
> pull-request-available, stale-minor
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Hi, all. I propose a new functionality of KafkaTableSource which can consume
> multiple topics at the same time.
> *Design plan*
> * Add a new constructor in KafkaTableSource which accepts topics with List
> type as one parameter.
> * Modify the existed one which only accepts one topic as string type to call
> the proposed one to finish the instantiation. That is to say, wrap this topic
> in a list and pass it to the multi-topics-consuming constructor.
> * Modify the overridden method createKafkaConsumer in KafkaTableSource to
> pass topics as List instead of String.
> * Replace the field topic with topics as List type in KafkaTableSourceBase
> and modify every place using topic with topics. So we just need to modify the
> constructor KafkaTableSourceBase, method getDataStream, and equals and
> hashCode.
> *Test plan*
> There is less to do as KafkaTableSource is based on FlinkKafkaConsumer which
> already supports consuming multiple topics and is tested well. Of course, we
> can easily add further more tests if needed.
>
> So what's your opinion?
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