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https://issues.apache.org/jira/browse/FLINK-7380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218854#comment-16218854
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Joshua Griffith commented on FLINK-7380:
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I use GenericTypeInfo<Row> to build trees using delta iterations because
RowTypeInfo doesn't support recursive definitions. I have to use Rows because I
only have type information at runtime when I'm building the job. Perhaps this
could be a warning rather than an exception? Alternatively, it would be useful
if there was an easier way to dynamically build recursive type information.
> Limit usage of Row type
> -----------------------
>
> Key: FLINK-7380
> URL: https://issues.apache.org/jira/browse/FLINK-7380
> Project: Flink
> Issue Type: Improvement
> Components: DataSet API, DataStream API
> Reporter: Timo Walther
> Assignee: Timo Walther
>
> The recently introduced {{Row}} type causes a lot of confusion for users. By
> default they are serialized using Kryo. We should not allow to use
> {{GenericTypeInfo<Row>}}. The TypeExtractor should throw an exception and
> encourage to provide proper field types. The Row class should be final and
> only targeted for intended use cases.
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