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https://issues.apache.org/jira/browse/FLINK-10973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16698382#comment-16698382
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ASF GitHub Bot commented on FLINK-10973:
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hequn8128 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_r236102999
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File path: docs/dev/table/tableApi.md
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@@ -1682,6 +1682,34 @@ The `OverWindow` defines a range of rows over which
aggregates are computed. `Ov
{% top %}
+### Map
Review comment:
Would it better to put Map together with `Scan, Projection, and Filter`? We
can add another Row to the Table.
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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 usageļ¼
> {code:java}
> val res = tab
> .map(fun: ScalarFunction) // output has columns 'a, 'b, 'c
> .select('a, 'c)
> {code}
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