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

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: core
• Labels: pull-request-available
• Assignee: Chunwei Lei
• Reporter: pengzhiwei
• Created: 07/Jan/19 09:37
• Updated: 04/Apr/22 20:57

Description

Support varargs for user-defined functions as the case followed:

public class ConcatWs {
  public String eval(String sep, String... strs) {...}
}

 

Issue Links

• relates to: CALCITE-2889 IndexOutOfBoundsException in EnumUtils#fromInternal when handling UDFs with varargs
• links to: GitHub Pull Request #1405