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vortex_array/arrays/bool/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::Bool;
10use crate::arrays::BoolArray;
11use crate::arrays::bool::BoolArrayExt;
12use crate::scalar_fn::fns::mask::MaskReduce;
13use crate::validity::Validity;
14
15impl MaskReduce for Bool {
16    fn mask(array: ArrayView<'_, Bool>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
17        Ok(Some(
18            BoolArray::new(
19                array.to_bit_buffer(),
20                array.validity()?.and(Validity::Array(mask.clone()))?,
21            )
22            .into_array(),
23        ))
24    }
25}
26
27#[cfg(test)]
28mod test {
29    use rstest::rstest;
30
31    use crate::IntoArray;
32    use crate::VortexSessionExecute;
33    use crate::array_session;
34    use crate::arrays::BoolArray;
35    use crate::compute::conformance::mask::test_mask_conformance;
36
37    #[rstest]
38    #[case(BoolArray::from_iter([true, false, true, true, false]))]
39    #[case(BoolArray::from_iter([Some(true), None, Some(false), Some(true), None]))]
40    #[case(BoolArray::from_iter([true]))]
41    #[case(BoolArray::from_iter([false, false]))]
42    #[case(BoolArray::from_iter((0..100).map(|i| i % 2 == 0)))]
43    fn test_mask_bool_conformance(#[case] array: BoolArray) {
44        test_mask_conformance(
45            &array.into_array(),
46            &mut array_session().create_execution_ctx(),
47        );
48    }
49}