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Stamatis Zampetakis commented on CALCITE-2772: ---------------------------------------------- Thanks for looking into this [~danny0405]. Sorry but I did not understand what you mean by saying _breaking change_. Do you refer to the approach in general or the particular implementation in the PR? > 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 > Labels: pull-request-available > Attachments: support_varargs_udf.patch > > Time Spent: 1h > Remaining Estimate: 0h > > Support varargs for user-defined functions as the case followed: > {code:java} > public class ConcatWs { > public String eval(String sep, String... strs) {...} > }{code} > -- This message was sent by Atlassian Jira (v8.3.2#803003)