vortex_array/arrays/list/vtable/
array.rs1use std::hash::Hash;
5
6use crate::Precision;
7use crate::arrays::ListArray;
8use crate::arrays::ListVTable;
9use crate::dtype::DType;
10use crate::hash::ArrayEq;
11use crate::hash::ArrayHash;
12use crate::stats::StatsSetRef;
13use crate::vtable::BaseArrayVTable;
14
15impl BaseArrayVTable<ListVTable> for ListVTable {
16 fn len(array: &ListArray) -> usize {
17 array.offsets.len().saturating_sub(1)
18 }
19
20 fn dtype(array: &ListArray) -> &DType {
21 &array.dtype
22 }
23
24 fn stats(array: &ListArray) -> StatsSetRef<'_> {
25 array.stats_set.to_ref(array.as_ref())
26 }
27
28 fn array_hash<H: std::hash::Hasher>(array: &ListArray, state: &mut H, precision: Precision) {
29 array.dtype.hash(state);
30 array.elements.array_hash(state, precision);
31 array.offsets.array_hash(state, precision);
32 array.validity.array_hash(state, precision);
33 }
34
35 fn array_eq(array: &ListArray, other: &ListArray, precision: Precision) -> bool {
36 array.dtype == other.dtype
37 && array.elements.array_eq(&other.elements, precision)
38 && array.offsets.array_eq(&other.offsets, precision)
39 && array.validity.array_eq(&other.validity, precision)
40 }
41}