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Posted to issues@flink.apache.org by "Dian Fu (JIRA)" <ji...@apache.org> on 2018/11/22 02:48:00 UTC

[jira] [Assigned] (FLINK-10974) Add FlatMap to TableAPI

     [ https://issues.apache.org/jira/browse/FLINK-10974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dian Fu reassigned FLINK-10974:
-------------------------------

    Assignee: Dian Fu

> Add FlatMap to TableAPI
> -----------------------
>
>                 Key: FLINK-10974
>                 URL: https://issues.apache.org/jira/browse/FLINK-10974
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API &amp; SQL
>            Reporter: sunjincheng
>            Assignee: Dian Fu
>            Priority: Major
>             Fix For: 1.8.0
>
>
> Add FlatMap operator to Table API as described in [Google doc|https://docs.google.com/document/d/1tnpxg31EQz2-MEzSotwFzqatsB4rNLz0I-l_vPa5H4Q/edit#heading=h.q23rny2iglsr].
> The usageļ¼š
> {code:java}
> val res = tab
>    .flatMap(fun: TableFunction)  // output has columns 'a, 'b, 'c
>    .select('a, 'c)
> {code}



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