[GitHub] [calcite] gr4ve opened a new pull request #1405: support varargs udf for scalar function

[GitBox <gi...@apache.org>]

gr4ve opened a new pull request #1405: support varargs udf for scalar function
URL: https://github.com/apache/calcite/pull/1405
 
 
   Support varargs for user-defined functions as the case followed:
   
   public class ConcatWs {
   public String eval(String sep, String... strs) {...}
   }

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