[jira] [Commented] (FLINK-10973) Add Map operator to Table API

[ASF GitHub Bot (JIRA)]

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https://issues.apache.org/jira/browse/FLINK-10973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16698398#comment-16698398
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ASF GitHub Bot commented on FLINK-10973:
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sunjincheng121 commented on a change in pull request #7167: [FLINK-10973] 
[table] Add support for map to table API
URL: https://github.com/apache/flink/pull/7167#discussion_r236104746
 
 

 ##########
 File path: docs/dev/table/tableApi.md
 ##########
 @@ -1682,6 +1682,34 @@ The `OverWindow` defines a range of rows over which 
aggregates are computed. `Ov
 
 {% top %}
 
+### Map
 
 Review comment:
   I think Map is a new operator of table, I recommend a separate description, 
flatmap is the same. What do you think?

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> Add Map operator to Table API
> -----------------------------
>
>                 Key: FLINK-10973
>                 URL: https://issues.apache.org/jira/browse/FLINK-10973
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: sunjincheng
>            Assignee: Dian Fu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.8.0
>
>
> Add Map operator to Table API as described in [Google 
> doc|https://docs.google.com/document/d/1tnpxg31EQz2-MEzSotwFzqatsB4rNLz0I-l_vPa5H4Q/edit#heading=h.q23rny2iglsr]
> The usage：
> {code:java}
> val res = tab
>    .map(fun: ScalarFunction)  // output has columns 'a, 'b, 'c
>    .select('a, 'c)
> {code}



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