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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5698) Add NestedFieldsProjectableTableSource interface
Date Wed, 15 Mar 2017 10:34:41 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925872#comment-15925872
] 

ramkrishna.s.vasudevan commented on FLINK-5698:
-----------------------------------------------

[~tonycox]
Are you still actively working on this PR? LEt me know if I can be of some help here.

> Add NestedFieldsProjectableTableSource interface
> ------------------------------------------------
>
>                 Key: FLINK-5698
>                 URL: https://issues.apache.org/jira/browse/FLINK-5698
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Anton Solovev
>            Assignee: Anton Solovev
>
> Add a NestedFieldsProjectableTableSource interface for some TableSource implementation
that support nesting projection push-down.
> The interface could look as follows
> {code}
> def trait NestedFieldsProjectableTableSource {
>   def projectNestedFields(fields: Array[String]): NestedFieldsProjectableTableSource[T]
> }
> {code}
> This interface works together with ProjectableTableSource 



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