Method evaluate

datafusion/physical-expr/src/async_scalar_function.rs:218–221

(&self, _batch: &RecordBatch)

    }

    fn evaluate(&self, _batch: &RecordBatch) -> Result<ColumnarValue> {
        // TODO: implement this for scalar value input
        not_impl_err!("AsyncFuncExpr.evaluate")
    }

    fn children(&self) -> Vec<&Arc<dyn PhysicalExpr>> {
        self.func.children()