Method output_metadata

datafusion/physical-expr/src/aggregate.rs:329–332

(mut self, metadata: Option<FieldMetadata>)

    }

    fn output_metadata(mut self, metadata: Option<FieldMetadata>) -> Self {
        self.output_metadata = metadata;
        self
    }

    pub fn human_display(mut self, name: impl Into<String>) -> Self {
        let name = name.into();