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https://issues.apache.org/jira/browse/FLINK-5280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15780914#comment-15780914
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ASF GitHub Bot commented on FLINK-5280:
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Github user mushketyk commented on the issue:
https://github.com/apache/flink/pull/3039
Hi @fhueske, @wuchong
Thank you for your reviews.
I think creating three abstract classes is a good idea, since we don't
expect any new types of table sources, so there will not be a lot of
combinations.
I'll try to update the PR tomorrow according to all current comments.
> Extend TableSource to support nested data
> -----------------------------------------
>
> Key: FLINK-5280
> URL: https://issues.apache.org/jira/browse/FLINK-5280
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.2.0
> Reporter: Fabian Hueske
> Assignee: Ivan Mushketyk
>
> The {{TableSource}} interface does currently only support the definition of
> flat rows.
> However, there are several storage formats for nested data that should be
> supported such as Avro, Json, Parquet, and Orc. The Table API and SQL can
> also natively handle nested rows.
> The {{TableSource}} interface and the code to register table sources in
> Calcite's schema need to be extended to support nested data.
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