Method len

datafusion/pruning/src/pruning_predicate.rs:2185–2188

Returns the number of containers represented by this statistics This picks the length of the first array as all arrays must have the same length (which is verified by `assert_invariants`).

(&self)

        /// picks the length of the first array as all arrays must have the same
        /// length (which is verified by `assert_invariants`).
        fn len(&self) -> usize {
            // pick the first non zero length
            self.arrays().iter().map(|a| a.len()).next().unwrap_or(0)
        }

        /// Ensure that the lengths of all arrays are consistent
        fn assert_invariants(&self) {