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https://issues.apache.org/jira/browse/FLINK-5881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880275#comment-15880275
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ASF GitHub Bot commented on FLINK-5881:
---------------------------------------
Github user clarkyzl commented on the issue:
https://github.com/apache/flink/pull/3389
If the following scenario happens,
```java
public int eval(String a, int... b) {
return b.length;
}
public String eval(String c) {
return c;
}
```
It will throw a ValidationException
> 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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