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https://issues.apache.org/jira/browse/FLINK-5881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879786#comment-15879786
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ASF GitHub Bot commented on FLINK-5881:
---------------------------------------
Github user clarkyzl commented on a diff in the pull request:
https://github.com/apache/flink/pull/3389#discussion_r102632219
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/ScalarFunctionCallGen.scala
---
@@ -48,10 +48,16 @@ class ScalarFunctionCallGen(
.getOrElse(throw new CodeGenException("No matching signature
found."))
val resultClass = getResultTypeClass(scalarFunction, matchingSignature)
+ // zip for variable signatures
+ var paramToOperands = matchingSignature.zip(operands)
+ var i = paramToOperands.length
+ while (i < operands.length) {
+ paramToOperands = paramToOperands :+ (matchingSignature.head,
operands(i))
--- End diff --
I will try to use `getComponentType()`
> ScalarFunction(UDF) should support variable types and variable arguments
> -------------------------------------------------------------------------
>
> Key: FLINK-5881
> URL: https://issues.apache.org/jira/browse/FLINK-5881
> Project: Flink
> Issue Type: Sub-task
> Reporter: Zhuoluo Yang
> Assignee: Zhuoluo Yang
>
> As a sub-task of FLINK-5826. We would like to support the ScalarFunction
> first and make the review a little bit easier.
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