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vortex_array/arrays/varbin/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::arrays::VarBinVTable;
9use crate::arrays::varbin::VarBinArray;
10use crate::compute::MaskReduce;
11use crate::validity::Validity;
12use crate::vtable::ValidityHelper;
13
14impl MaskReduce for VarBinVTable {
15    fn mask(array: &VarBinArray, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
16        Ok(Some(
17            VarBinArray::try_new(
18                array.offsets().clone(),
19                array.bytes().clone(),
20                array.dtype().as_nullable(),
21                array
22                    .validity()
23                    .clone()
24                    .and(Validity::Array(mask.clone()))?,
25            )?
26            .into_array(),
27        ))
28    }
29}
30
31#[cfg(test)]
32mod test {
33    use vortex_dtype::DType;
34    use vortex_dtype::Nullability;
35
36    use crate::arrays::VarBinArray;
37    use crate::compute::conformance::mask::test_mask_conformance;
38
39    #[test]
40    fn test_mask_var_bin_array() {
41        let array = VarBinArray::from_vec(
42            vec!["hello", "world", "filter", "good", "bye"],
43            DType::Utf8(Nullability::NonNullable),
44        );
45        test_mask_conformance(array.as_ref());
46
47        let array = VarBinArray::from_iter(
48            vec![Some("hello"), None, Some("filter"), Some("good"), None],
49            DType::Utf8(Nullability::Nullable),
50        );
51        test_mask_conformance(array.as_ref());
52    }
53}