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https://issues.apache.org/jira/browse/FLINK-10974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710947#comment-16710947
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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_r239302052
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/table.scala
##########
@@ -79,7 +80,8 @@ class Table(
* @param udtfCall A String expression of the TableFunction call.
*/
def this(tableEnv: TableEnvironment, udtfCall: String) {
- this(tableEnv,
UserDefinedFunctionUtils.createLogicalFunctionCall(tableEnv, udtfCall))
+ this(tableEnv, UserDefinedFunctionUtils.createLogicalFunctionCall(
+ tableEnv, ExpressionParser.parseExpression(udtfCall)))
Review comment:
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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