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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3754) Add a validation phase before construct RelNode using TableAPI
Date Tue, 03 May 2016 10:12:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15268465#comment-15268465
] 

ASF GitHub Bot commented on FLINK-3754:
---------------------------------------

Github user yjshen commented on the pull request:

    https://github.com/apache/flink/pull/1958#issuecomment-216487312
  
    This PR substitute #1916 by squashing several previous commits into single one for easier
rebase.
    
    @fhueske I've implemented eager validation here, can you take a look at this one?


> 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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