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vortex_array/arrays/extension/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::Extension;
10use crate::arrays::ExtensionArray;
11use crate::arrays::extension::ExtensionArrayExt;
12use crate::arrays::scalar_fn::ScalarFnFactoryExt;
13use crate::scalar_fn::EmptyOptions;
14use crate::scalar_fn::fns::mask::Mask as MaskExpr;
15use crate::scalar_fn::fns::mask::MaskReduce;
16
17impl MaskReduce for Extension {
18    fn mask(array: ArrayView<'_, Extension>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
19        let masked_storage = MaskExpr.try_new_array(
20            array.storage_array().len(),
21            EmptyOptions,
22            [array.storage_array().clone(), mask.clone()],
23        )?;
24        Ok(Some(
25            ExtensionArray::new(
26                array
27                    .ext_dtype()
28                    .with_nullability(masked_storage.dtype().nullability()),
29                masked_storage,
30            )
31            .into_array(),
32        ))
33    }
34}