[jira] [Commented] (FLINK-3227) Translate physical Table API plan into DataSet program

["Fabian Hueske (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-3227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116949#comment-15116949 ] 

Fabian Hueske commented on FLINK-3227:
--------------------------------------

As per discussion in [PR #1544|https://github.com/apache/flink/pull/1544], we decided to embed the dataSet translation code directly in the Flink RelNodes. Hence, this issue becomes obsolete.
Any objections to close it?

I will start a discussion on FLINK-3226 to split the work into smaller parts.

> Translate physical Table API plan into DataSet program
> ------------------------------------------------------
>
>                 Key: FLINK-3227
>                 URL: https://issues.apache.org/jira/browse/FLINK-3227
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API
>            Reporter: Fabian Hueske
>            Assignee: Timo Walther
>
> The RelNode tree generated by FLINK-3226 is a 1-to-1 representation of the final DataSet API program. Hence, the translation step only needs to create corresponding operators with correct keys and user-functions. User-functions are implemented as RichFunctions that wrap generated code. In a first version, the wrapping functions are parameterized with a source code string which is generated during the program construction. As a first step, we can reuse much of the code generation logic of the current Table API.
> The source code string is compiled in the open() method of the wrapping function and later invoked by the wrapper.



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