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 vortex_dtype::DType;
7
8use crate::Precision;
9use crate::arrays::ConstantArray;
10use crate::arrays::ConstantVTable;
11use crate::stats::StatsSetRef;
12use crate::vtable::BaseArrayVTable;
13
14impl BaseArrayVTable<ConstantVTable> for ConstantVTable {
15    fn len(array: &ConstantArray) -> usize {
16        array.len
17    }
18
19    fn dtype(array: &ConstantArray) -> &DType {
20        array.scalar.dtype()
21    }
22
23    fn stats(array: &ConstantArray) -> StatsSetRef<'_> {
24        array.stats_set.to_ref(array.as_ref())
25    }
26
27    fn array_hash<H: std::hash::Hasher>(
28        array: &ConstantArray,
29        state: &mut H,
30        _precision: Precision,
31    ) {
32        array.scalar.hash(state);
33        array.len.hash(state);
34    }
35
36    fn array_eq(array: &ConstantArray, other: &ConstantArray, _precision: Precision) -> bool {
37        array.scalar == other.scalar && array.len == other.len
38    }
39}