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Posted to issues@calcite.apache.org by "pengzhiwei (JIRA)" <ji...@apache.org> on 2019/01/07 09:38:01 UTC

[jira] [Created] (CALCITE-2772) Support variable parameter for udf

pengzhiwei created CALCITE-2772:
-----------------------------------

             Summary: Support variable parameter for udf
                 Key: CALCITE-2772
                 URL: https://issues.apache.org/jira/browse/CALCITE-2772
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: pengzhiwei
            Assignee: pengzhiwei


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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