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https://issues.apache.org/jira/browse/CALCITE-2772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911031#comment-16911031
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Stamatis Zampetakis commented on CALCITE-2772:
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Hi [~gr4ve], the issue is not solved; thanks for submitting the patch!
Usually, we work with pull requests on GitHub so if you can transform your
patch into a PR it will be much more convenient.
> Support varargs for user-defined functions (UDFs)
> -------------------------------------------------
>
> Key: CALCITE-2772
> URL: https://issues.apache.org/jira/browse/CALCITE-2772
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: pengzhiwei
> Assignee: pengzhiwei
> Priority: Major
> Attachments: support_varargs_udf.patch
>
>
> Support varargs for user-defined functions as the case followed:
> {code:java}
> public class ConcatWs {
> public String eval(String sep, String... strs) {...}
> }{code}
>
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