Method invoke_with_args

datafusion/functions/src/encoding/inner.rs:119–129

(&self, args: ScalarFunctionArgs)

    }

    fn invoke_with_args(&self, args: ScalarFunctionArgs) -> Result<ColumnarValue> {
        let [expression, encoding] = take_function_args("encode", &args.args)?;
        let encoding = Encoding::try_from(encoding)?;
        match expression {
            _ if expression.data_type().is_null() => {
                Ok(ColumnarValue::Scalar(ScalarValue::Utf8(None)))
            }
            ColumnarValue::Array(array) => encode_array(array, encoding),
            ColumnarValue::Scalar(scalar) => encode_scalar(scalar, encoding),
        }
    }

    fn documentation(&self) -> Option<&Documentation> {
        self.doc()