vortex_array/arrays/decimal/vtable/
array.rs1use std::hash::Hash;
5
6use crate::Precision;
7use crate::arrays::DecimalArray;
8use crate::arrays::DecimalVTable;
9use crate::dtype::DType;
10use crate::dtype::DecimalType;
11use crate::hash::ArrayEq;
12use crate::hash::ArrayHash;
13use crate::stats::StatsSetRef;
14use crate::vtable::BaseArrayVTable;
15
16impl BaseArrayVTable<DecimalVTable> for DecimalVTable {
17 fn len(array: &DecimalArray) -> usize {
18 let divisor = match array.values_type {
19 DecimalType::I8 => 1,
20 DecimalType::I16 => 2,
21 DecimalType::I32 => 4,
22 DecimalType::I64 => 8,
23 DecimalType::I128 => 16,
24 DecimalType::I256 => 32,
25 };
26 array.values.len() / divisor
27 }
28
29 fn dtype(array: &DecimalArray) -> &DType {
30 &array.dtype
31 }
32
33 fn stats(array: &DecimalArray) -> StatsSetRef<'_> {
34 array.stats_set.to_ref(array.as_ref())
35 }
36
37 fn array_hash<H: std::hash::Hasher>(array: &DecimalArray, state: &mut H, precision: Precision) {
38 array.dtype.hash(state);
39 array.values.array_hash(state, precision);
40 std::mem::discriminant(&array.values_type).hash(state);
41 array.validity.array_hash(state, precision);
42 }
43
44 fn array_eq(array: &DecimalArray, other: &DecimalArray, precision: Precision) -> bool {
45 array.dtype == other.dtype
46 && array.values.array_eq(&other.values, precision)
47 && array.values_type == other.values_type
48 && array.validity.array_eq(&other.validity, precision)
49 }
50}