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https://issues.apache.org/jira/browse/FLINK-7439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16143283#comment-16143283
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ASF GitHub Bot commented on FLINK-7439:
---------------------------------------
Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/4536#discussion_r135426183
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/schema/FlinkTableFunctionImpl.scala
---
@@ -71,6 +69,9 @@ class FlinkTableFunctionImpl[T](
override def getElementType(arguments: util.List[AnyRef]): Type =
classOf[Array[Object]]
+ // we do never use the FunctionParameters, so return an empty list
+ override def getParameters: util.List[FunctionParameter] =
Collections.emptyList()
--- End diff --
I think we can keep using `ReflectiveFunctionBase#getParameters`.
> Support variable arguments for UDTF in SQL
> ------------------------------------------
>
> Key: FLINK-7439
> URL: https://issues.apache.org/jira/browse/FLINK-7439
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Jark Wu
> Assignee: Jark Wu
>
> Currently, both UDF and UDAF support variable parameters, but UDTF not.
> FLINK-5882 supports variable UDTF for Table API only, but missed SQL.
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