vortex_array/arrays/extension/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::extension::{ExtensionArray, ExtensionVTable};
10use crate::hash::{ArrayEq, ArrayHash};
11use crate::stats::StatsSetRef;
12use crate::vtable::ArrayVTable;
13
14impl ArrayVTable<ExtensionVTable> for ExtensionVTable {
15    fn len(array: &ExtensionArray) -> usize {
16        array.storage.len()
17    }
18
19    fn dtype(array: &ExtensionArray) -> &DType {
20        &array.dtype
21    }
22
23    fn stats(array: &ExtensionArray) -> StatsSetRef<'_> {
24        array.stats_set.to_ref(array.as_ref())
25    }
26
27    fn array_hash<H: std::hash::Hasher>(
28        array: &ExtensionArray,
29        state: &mut H,
30        precision: Precision,
31    ) {
32        array.dtype.hash(state);
33        array.storage.array_hash(state, precision);
34    }
35
36    fn array_eq(array: &ExtensionArray, other: &ExtensionArray, precision: Precision) -> bool {
37        array.dtype == other.dtype && array.storage.array_eq(&other.storage, precision)
38    }
39}