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https://issues.apache.org/jira/browse/KAFKA-17882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-17882.
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Fix Version/s: 4.0.0
Resolution: Fixed
> improve the document about "default value" of tagged structure field
> --------------------------------------------------------------------
>
> Key: KAFKA-17882
> URL: https://issues.apache.org/jira/browse/KAFKA-17882
> Project: Kafka
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: 黃竣陽
> Priority: Major
> Fix For: 4.0.0
>
>
> In the [Apache Kafka
> documentation|https://github.com/apache/kafka/tree/trunk/clients/src/main/resources/common/message#deserializing-messages],
> we don't mention the default values for fields in tagged structures. What
> happens if not all fields of a tagged structure have explicit default values?
> Does the implicit default value still apply?
> We should document this behavior as follows: 'A tagged structure field will
> be ignored if all of its fields' values are equal to their default values,
> regardless of whether those default values are defined explicitly or
> implicitly.
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