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vortex_array/arrays/decimal/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::Decimal;
10use crate::arrays::DecimalArray;
11use crate::match_each_decimal_value_type;
12use crate::scalar_fn::fns::mask::MaskReduce;
13use crate::validity::Validity;
14
15impl MaskReduce for Decimal {
16    fn mask(array: ArrayView<'_, Decimal>, mask: &ArrayRef) -> VortexResult<Option<ArrayRef>> {
17        Ok(Some(match_each_decimal_value_type!(
18            array.values_type(),
19            |D| {
20                // SAFETY: masking the validity does not affect the invariants
21                unsafe {
22                    DecimalArray::new_unchecked(
23                        array.buffer::<D>(),
24                        array.decimal_dtype(),
25                        array.validity()?.and(Validity::Array(mask.clone()))?,
26                    )
27                }
28                .into_array()
29            }
30        )))
31    }
32}