[ https://issues.apache.org/jira/browse/FLINK-5881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879786#comment-15879786 ]
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. -- This message was sent by Atlassian JIRA (v6.3.15#6346)