Function create_primitive_array

arrow/src/util/bench_util.rs:36–52

Creates an random (but fixed-seeded) array of a given size and null density

(size: usize, null_density: f32)

/// Creates an random (but fixed-seeded) array of a given size and null density
pub fn create_primitive_array<T>(size: usize, null_density: f32) -> PrimitiveArray<T>
where
    T: ArrowPrimitiveType,
    StandardUniform: Distribution<T::Native>,
{
    let mut rng = seedable_rng();

    (0..size)
        .map(|_| {
            if rng.random::<f32>() < null_density {
                None
            } else {
                Some(rng.random())
            }
        })
        .collect()
}

/// Creates an random (but fixed-seeded) array of a given size and null density,
/// all the values located in the given range