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https://issues.apache.org/jira/browse/FLINK-10974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710949#comment-16710949
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ASF GitHub Bot commented on FLINK-10974:
----------------------------------------
dianfu commented on a change in pull request #7196: [FLINK-10974] [table] Add
support for flatMap to table API
URL: https://github.com/apache/flink/pull/7196#discussion_r239308496
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/expressions/call.scala
##########
@@ -328,7 +340,9 @@ case class TableFunctionCall(
* @return this table function call
*/
private[flink] def as(aliasList: Option[Seq[String]]): TableFunctionCall = {
- this.aliases = aliasList
+ if (aliasList.isDefined) {
Review comment:
Agree. Done.
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> 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 & SQL
> Reporter: sunjincheng
> Assignee: Dian Fu
> Priority: Major
> Labels: pull-request-available
> 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 usageļ¼
> {code:java}
> val res = tab
> .flatMap(fun: TableFunction) // output has columns 'a, 'b, 'c
> .select('a, 'c)
> {code}
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