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https://issues.apache.org/jira/browse/FLINK-10686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664850#comment-16664850
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TisonKun commented on FLINK-10686:
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I like this proposal and volunteer to be a reviewer. Go ahead!

Also I think table API might be further recommended approach for user to write 
their application. Thus refactor (including this) is welcome to me.

> Introduce a flink-table-common module
> -------------------------------------
>
>                 Key: FLINK-10686
>                 URL: https://issues.apache.org/jira/browse/FLINK-10686
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Major
>
> Because more and more table factories for connectors and formats are added 
> and external catalog support is also on the horizon, {{flink-table}} becomes 
> a dependency for many Flink modules. Since {{flink-table}} is implemented in 
> Scala it requires other modules to be suffixes with Scala prefixes. However, 
> as we have learned in the past, Scala code is hard to maintain which is why 
> our long-term goal is to avoid Scala/Scala dependencies.
> Therefore we propose a new module {{flink-table-common}} that contains 
> interfaces between {{flink-table}} and other modules. This module is 
> implemented in Java and should contain minimal (or better no) external 
> dependencies.



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