reports sum of the number of columns of each input
(&self)
| 85 | |
| 86 | /// reports sum of the number of columns of each input |
| 87 | pub fn total_columns(&self) -> usize { |
| 88 | self.arities.iter().sum() |
| 89 | } |
| 90 | |
| 91 | /// reports total numbers of inputs in the join |
| 92 | pub fn total_inputs(&self) -> usize { |