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https://issues.apache.org/jira/browse/FLINK-10973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16698395#comment-16698395
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ASF GitHub Bot commented on FLINK-10973:
----------------------------------------
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_r236103767
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
##########
@@ -999,6 +999,93 @@ class Table(
new OverWindowedTable(this, overWindows.toArray)
}
+ /**
+ * Performs a map operation with an user-defined function. The output will
be flattened
+ * if the output type is composite type.
Review comment:
is composite type -> is a composite type
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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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