[jira] [Created] (CALCITE-680) Compilation Error when processing UDF with binary parameter

["Ng Jiunn Jye (JIRA)" <ji...@apache.org>]

Ng Jiunn Jye created CALCITE-680:
------------------------------------

             Summary: Compilation Error when processing UDF with binary parameter
                 Key: CALCITE-680
                 URL: https://issues.apache.org/jira/browse/CALCITE-680
             Project: Calcite
          Issue Type: Bug
            Reporter: Ng Jiunn Jye
            Assignee: Julian Hyde


I am creating Calcite UDF which convert array of byte into string and vice versa.

For BinaryToString udf, the SqlValidator is expecting the function with parameter byte[], but during execution, the EnumerableCalc is expecting the function to take parameter of type ByteString. 


Test Sql  :
select BinaryToString (x'01020304') from T1

Error Message: 
Caused by: org.codehaus.commons.compiler.CompileException: Line 24, Column 84: No applicable constructor/method found for actual parameters "org.apache.calcite.avatica.util.ByteString"; candidates are: "public java.lang.String BinaryToString.eval(byte[])"


Generated Code extract : 
            public Object current() {
              return newBinaryToString().eval(new org.apache.calcite.avatica.util.ByteString(
                  new byte[] {
                    (byte)1,
                    (byte)2,
                    (byte)3,
                    (byte)4}));
            }





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