Method udf

datafusion/execution/src/task.rs:177–183

(&self, name: &str)

    }

    fn udf(&self, name: &str) -> Result<Arc<ScalarUDF>> {
        let result = self.scalar_functions.get(name);

        result.cloned().ok_or_else(|| {
            plan_datafusion_err!("There is no UDF named \"{name}\" in the TaskContext")
        })
    }

    fn higher_order_function(&self, name: &str) -> Result<Arc<HigherOrderUDF>> {
        let result = self.higher_order_functions.get(name);