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https://issues.apache.org/jira/browse/CALCITE-3080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16847674#comment-16847674
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Andrei Sereda commented on CALCITE-3080:
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This should be scheduled after 1.20 release
> support user-specified row schema in KafkaAdapter
> -------------------------------------------------
>
> Key: CALCITE-3080
> URL: https://issues.apache.org/jira/browse/CALCITE-3080
> Project: Calcite
> Issue Type: Improvement
> Reporter: Xu Mingmin
> Priority: Major
>
> Currently rowSchema is defined by extending `KafkaRowConverter` only. Feature
> in this task would support user-defined row schema when creating a table.
>
> Here's one proposed interface in
> https://github.com/apache/calcite/pull/1127/files#r283913361
> {code}
> interface KafkaRowConverter {
> RelDataType rowDataType();
> Object[] toRow(ConsumerRecord<K, V> message);
> }
> {code}
>
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