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vortex_array/arrays/dict/vtable/
array.rs

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: Copyright the Vortex contributors
3
4use std::hash::Hash;
5
6use super::DictVTable;
7use crate::Precision;
8use crate::arrays::dict::DictArray;
9use crate::dtype::DType;
10use crate::hash::ArrayEq;
11use crate::hash::ArrayHash;
12use crate::stats::StatsSetRef;
13use crate::vtable::BaseArrayVTable;
14
15impl BaseArrayVTable<DictVTable> for DictVTable {
16    fn len(array: &DictArray) -> usize {
17        array.codes.len()
18    }
19
20    fn dtype(array: &DictArray) -> &DType {
21        &array.dtype
22    }
23
24    fn stats(array: &DictArray) -> StatsSetRef<'_> {
25        array.stats_set.to_ref(array.as_ref())
26    }
27
28    fn array_hash<H: std::hash::Hasher>(array: &DictArray, state: &mut H, precision: Precision) {
29        array.dtype.hash(state);
30        array.codes.array_hash(state, precision);
31        array.values.array_hash(state, precision);
32    }
33
34    fn array_eq(array: &DictArray, other: &DictArray, precision: Precision) -> bool {
35        array.dtype == other.dtype
36            && array.codes.array_eq(&other.codes, precision)
37            && array.values.array_eq(&other.values, precision)
38    }
39}