vortex_array/arrays/struct_/vtable/
array.rs1use std::hash::Hash;
5
6use crate::Precision;
7use crate::arrays::struct_::StructArray;
8use crate::arrays::struct_::StructVTable;
9use crate::dtype::DType;
10use crate::hash::ArrayEq;
11use crate::hash::ArrayHash;
12use crate::stats::StatsSetRef;
13use crate::vtable::BaseArrayVTable;
14
15impl BaseArrayVTable<StructVTable> for StructVTable {
16 fn len(array: &StructArray) -> usize {
17 array.len
18 }
19
20 fn dtype(array: &StructArray) -> &DType {
21 &array.dtype
22 }
23
24 fn stats(array: &StructArray) -> StatsSetRef<'_> {
25 array.stats_set.to_ref(array.as_ref())
26 }
27
28 fn array_hash<H: std::hash::Hasher>(array: &StructArray, state: &mut H, precision: Precision) {
29 array.len.hash(state);
30 array.dtype.hash(state);
31 for field in array.fields.iter() {
32 field.array_hash(state, precision);
33 }
34 array.validity.array_hash(state, precision);
35 }
36
37 fn array_eq(array: &StructArray, other: &StructArray, precision: Precision) -> bool {
38 array.len == other.len
39 && array.dtype == other.dtype
40 && array.fields.len() == other.fields.len()
41 && array
42 .fields
43 .iter()
44 .zip(other.fields.iter())
45 .all(|(a, b)| a.array_eq(b, precision))
46 && array.validity.array_eq(&other.validity, precision)
47 }
48}