serde_arrow 0.14.0

Convert sequences of Rust objects to Arrow arrays and back again
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

use serde_json::json;

use crate::utils::Item;

use super::utils::Test;

fn items() -> Vec<Item<i32>> {
    vec![Item(i32::MIN), Item(0), Item(100), Item(i32::MAX)]
}

#[test]
fn as_date32() {
    let items = items();
    Test::new()
        .with_schema(json!([{
            "name": "item",
            "data_type": "Date32",
        }]))
        .serialize(&items)
        .deserialize(&items)
        .check_nulls(&[&[false, false, false, false]]);
}

#[test]
fn as_time32_second() {
    let items = items();
    Test::new()
        .with_schema(json!([{
            "name": "item",
            "data_type": "Time32(Second)",
        }]))
        .serialize(&items)
        .deserialize(&items)
        .check_nulls(&[&[false, false, false, false]]);
}

#[test]
fn as_time32_millisecond() {
    let items = items();
    Test::new()
        .with_schema(json!([{
            "name": "item",
            "data_type": "Time32(Millisecond)",
        }]))
        .serialize(&items)
        .deserialize(&items)
        .check_nulls(&[&[false, false, false, false]]);
}