Method state

datafusion/functions-aggregate/src/average.rs:538–543

(&mut self)

    }

    fn state(&mut self) -> Result<Vec<ScalarValue>> {
        Ok(vec![
            ScalarValue::from(self.count),
            ScalarValue::Float64(self.sum),
        ])
    }

    fn merge_batch(&mut self, states: &[ArrayRef]) -> Result<()> {
        // counts are summed