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https://issues.apache.org/jira/browse/FLINK-3754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15261685#comment-15261685
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ASF GitHub Bot commented on FLINK-3754:
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Github user yjshen commented on the pull request:
https://github.com/apache/flink/pull/1916#issuecomment-215336755
Hi @fhueske @twalthr, thanks for the detailed review work! 👍
I've left some comment above to express my opinion, looking forward to more
discussions on this :)
> Add a validation phase before construct RelNode using TableAPI
> --------------------------------------------------------------
>
> Key: FLINK-3754
> URL: https://issues.apache.org/jira/browse/FLINK-3754
> Project: Flink
> Issue Type: Improvement
> Components: Table API
> Affects Versions: 1.0.0
> Reporter: Yijie Shen
> Assignee: Yijie Shen
>
> Unlike sql string's execution, which have a separate validation phase before
> RelNode construction, Table API lacks the counterparts and the validation is
> scattered in many places.
> I suggest to add a single validation phase and detect problems as early as
> possible.
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