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vortex_array/arrays/constant/vtable/
array.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::hash::Hash;
5
6use crate::Precision;
7use crate::arrays::ConstantArray;
8use crate::arrays::ConstantVTable;
9use crate::dtype::DType;
10use crate::stats::StatsSetRef;
11use crate::vtable::BaseArrayVTable;
12
13impl BaseArrayVTable<ConstantVTable> for ConstantVTable {
14    fn len(array: &ConstantArray) -> usize {
15        array.len
16    }
17
18    fn dtype(array: &ConstantArray) -> &DType {
19        array.scalar.dtype()
20    }
21
22    fn stats(array: &ConstantArray) -> StatsSetRef<'_> {
23        array.stats_set.to_ref(array.as_ref())
24    }
25
26    fn array_hash<H: std::hash::Hasher>(
27        array: &ConstantArray,
28        state: &mut H,
29        _precision: Precision,
30    ) {
31        array.scalar.hash(state);
32        array.len.hash(state);
33    }
34
35    fn array_eq(array: &ConstantArray, other: &ConstantArray, _precision: Precision) -> bool {
36        array.scalar == other.scalar && array.len == other.len
37    }
38}