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vortex_array/arrays/struct_/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::Struct;
10use crate::arrays::StructArray;
11use crate::arrays::struct_::StructArrayExt;
12use crate::scalar_fn::fns::mask::MaskReduce;
13use crate::validity::Validity;
14
15impl MaskReduce for Struct {
16    fn mask(array: ArrayView<'_, Struct>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
17        StructArray::try_new_with_dtype(
18            array.unmasked_fields().iter().cloned().collect::<Vec<_>>(),
19            array.struct_fields().clone(),
20            array.len(),
21            array.validity()?.and(Validity::Array(mask.clone()))?,
22        )
23        .map(|a| Some(a.into_array()))
24    }
25}