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vortex_array/arrays/constant/vtable/
validity.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use vortex_error::VortexResult;
5
6use crate::array::ArrayView;
7use crate::array::ValidityVTable;
8use crate::arrays::Constant;
9use crate::validity::Validity;
10
11impl ValidityVTable<Constant> for Constant {
12    fn validity(array: ArrayView<'_, Constant>) -> VortexResult<Validity> {
13        debug_assert!(array.dtype().is_nullable());
14        Ok(if array.scalar().is_null() {
15            Validity::AllInvalid
16        } else {
17            Validity::AllValid
18        })
19    }
20}