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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2019/01/07 19:12:00 UTC

[jira] [Updated] (CALCITE-2772) Support varargs for user-defined functions (UDFs)

     [ https://issues.apache.org/jira/browse/CALCITE-2772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde updated CALCITE-2772:
---------------------------------
    Summary: Support varargs for user-defined functions (UDFs)  (was: Support variable parameter for udf)

> 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
>
> Currently,calcite does not support variable parameter for UDF as the case shown below:
> {code:java}
> public class ConcatWs {
>   public String eval(String sep, String... strs) {...}
> }{code}
> However,it much common for user who writes udf.
>  



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