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vortex_array/arrays/masked/compute/
slice.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::ops::Range;
5
6use vortex_error::VortexResult;
7
8use crate::ArrayRef;
9use crate::IntoArray;
10use crate::arrays::MaskedArray;
11use crate::arrays::MaskedVTable;
12use crate::arrays::SliceReduce;
13use crate::stats::ArrayStats;
14
15impl SliceReduce for MaskedVTable {
16    fn slice(array: &Self::Array, range: Range<usize>) -> VortexResult<Option<ArrayRef>> {
17        let child = array.child.slice(range.clone())?;
18        let validity = array.validity.slice(range)?;
19
20        Ok(Some(
21            MaskedArray {
22                child,
23                validity,
24                dtype: array.dtype.clone(),
25                stats: ArrayStats::default(),
26            }
27            .into_array(),
28        ))
29    }
30}