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Posted to issues@flink.apache.org by "Anton Solovev (JIRA)" <ji...@apache.org> on 2017/02/06 08:32:41 UTC

[jira] [Assigned] (FLINK-5698) Add NestedFieldsProjectableTableSource interface

     [ https://issues.apache.org/jira/browse/FLINK-5698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Solovev reassigned FLINK-5698:
------------------------------------

    Assignee: Anton Solovev

> 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 ProjectableTableSource {
>   def projectNestedFields(fields: Array[String]): NestedFieldsProjectableTableSource[T]
> }
> {code}
> This interface works together with ProjectableTableSource 



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