Method udaf

datafusion/execution/src/task.rs:195–201

(&self, name: &str)

    }

    fn udaf(&self, name: &str) -> Result<Arc<AggregateUDF>> {
        let result = self.aggregate_functions.get(name);

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

    fn udwf(&self, name: &str) -> Result<Arc<WindowUDF>> {
        let result = self.window_functions.get(name);