native_db-32bit 0.5.4

Drop-in embedded database
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

use native_db::*;
use native_model::{native_model, Model};
use serde::{Deserialize, Serialize};
use shortcut_assert_fs::TmpFs;

#[derive(Serialize, Deserialize, Eq, PartialEq, Clone, Debug)]
#[native_model(id = 1, version = 1)]
#[native_db]
struct Item {
    #[primary_key]
    id: u32,
    name: String,
}

#[test]
fn test_snapshot() {
    let tf = TmpFs::new().unwrap();
    let mut builder = DatabaseBuilder::new();
    builder.define::<Item>().unwrap();
    let db = builder.create_in_memory().unwrap();

    let rw = db.rw_transaction().unwrap();
    rw.insert(Item {
        id: 1,
        name: "test".to_string(),
    })
    .unwrap();
    rw.commit().unwrap();

    let db_snapshot = db
        .snapshot(&builder, tf.path("snapshot.db").as_std_path())
        .unwrap();

    let r = db_snapshot.r_transaction().unwrap();
    let result_item = r.get().primary(1u32).unwrap().unwrap();
    assert_eq!(
        Item {
            id: 1,
            name: "test".to_string()
        },
        result_item
    );

    tf.display_dir_entries();
}