vortex_array/arrays/primitive/compute/
mask.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use vortex_error::VortexResult;
5
6use crate::ArrayRef;
7use crate::IntoArray;
8use crate::array::ArrayView;
9use crate::arrays::Primitive;
10use crate::arrays::PrimitiveArray;
11use crate::scalar_fn::fns::mask::MaskReduce;
12use crate::validity::Validity;
13
14impl MaskReduce for Primitive {
15    const VALIDITY_IS_METADATA_ONLY: bool = true;
16
17    fn mask(array: ArrayView<'_, Primitive>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
18        // SAFETY: validity and data buffer still have same length
19        Ok(Some(unsafe {
20            PrimitiveArray::new_unchecked_from_handle(
21                array.buffer_handle().clone(),
22                array.ptype(),
23                array.validity()?.and(Validity::Array(mask.clone()))?,
24            )
25            .into_array()
26        }))
27    }
28}
29
30#[cfg(test)]
31mod test {
32    use rstest::rstest;
33
34    use crate::IntoArray;
35    use crate::VortexSessionExecute;
36    use crate::array_session;
37    use crate::arrays::PrimitiveArray;
38    use crate::compute::conformance::mask::test_mask_conformance;
39
40    #[rstest]
41    #[case(PrimitiveArray::from_iter([1i32, 2, 3, 4, 5]))]
42    #[case(PrimitiveArray::from_option_iter([Some(1i32), None, Some(3), Some(4), None]))]
43    #[case(PrimitiveArray::from_iter([42u64]))]
44    #[case(PrimitiveArray::from_iter(0..100i32))]
45    #[case(PrimitiveArray::from_option_iter((0..100).map(|i| if i % 5 == 0 { None } else { Some(i as i64) })))]
46    #[case(PrimitiveArray::from_iter([0.1f32, 0.2, 0.3, 0.4, 0.5]))]
47    #[case(PrimitiveArray::from_option_iter([Some(1.1f64), None, Some(2.2), Some(3.3), None]))]
48    fn test_mask_primitive_conformance(#[case] array: PrimitiveArray) {
49        test_mask_conformance(
50            &array.into_array(),
51            &mut array_session().create_execution_ctx(),
52        );
53    }
54}
vortex_array/arrays/primitive/compute/mask.rs

vortex_array/arrays/primitive/compute/
mask.rs
