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https://github.com/vincent-herlemont/native_db
Drop-in embedded database in Rust
https://github.com/vincent-herlemont/native_db
android cross-platform database embedded-database ios kv-store mobile orm real-time rust
Last synced: about 2 months ago
JSON representation
Drop-in embedded database in Rust
- Host: GitHub
- URL: https://github.com/vincent-herlemont/native_db
- Owner: vincent-herlemont
- License: mit
- Created: 2023-05-09T19:14:39.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-04-07T14:26:41.000Z (8 months ago)
- Last Synced: 2024-04-07T15:31:37.546Z (8 months ago)
- Topics: android, cross-platform, database, embedded-database, ios, kv-store, mobile, orm, real-time, rust
- Language: Rust
- Homepage:
- Size: 540 KB
- Stars: 245
- Watchers: 2
- Forks: 9
- Open Issues: 15
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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- awesome-pgo - NativeDB - herlemont/native_db/discussions/92#discussion-6053050) (PGO Showcases / Databases)
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- fucking-awesome-rust - native_db - Drop-in, embedded database for multi-platform apps (server, desktop, mobile). Sync Rust types effortlessly (Applications / Database)
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README
# Native DB
[](https://github.com/vincent-herlemont/native_db/actions/workflows/build_test_linux.yml)
[](https://github.com/vincent-herlemont/native_db/actions/workflows/build_test_macos.yml)
[](https://github.com/vincent-herlemont/native_db/actions/workflows/build_test_windows.yml)
[](https://github.com/vincent-herlemont/native_db/actions/workflows/build_test_ios.yml)
[](https://github.com/vincent-herlemont/native_db/actions/workflows/build_test_android.yml)
[](https://crates.io/crates/native_db)
[](https://docs.rs/native_db)
[](LICENSE)
Here's a drop-in, fast, embedded database for multi-platform apps (server, desktop, mobile). Sync Rust types effortlessly. Enjoy! 😌🍃.
# Features
- Simple API 🦀.
- Support for **multiple indexes** (primary, secondary, unique, non-unique, optional).
- Fast, see [`sqlite` vs `redb` vs `native_db`](./benches/README.md) benchmarks.
- Transparent serialization/deserialization using [native_model](https://github.com/vincent-herlemont/native_model). You can use any serialization library you want (`bincode`, `postcard`, your own etc.).
- Ensure query **type safety** to prevent unexpected results caused by selecting with an incorrect type.
- **Automatic model migration** 🌟.
- **Thread-safe** and fully **ACID-compliant** transactions provided by [redb](https://github.com/cberner/redb).
- **Real-time** subscription with filters for `insert`, `update` and `delete` operations.
- Compatible with all Rust types (`enum`, `struct`, `tuple` etc.).
- **Hot snapshots**.
# Installation
Add this to your `Cargo.toml`:
```toml
[dependencies]
native_db = "0.8.1"
native_model = "0.4.20"
```
NOTE: `native_db` requires `native_model` to work.
# Status
Active development. The API is not stable yet and may change in the future.
# How to use?
- [Documentation API](https://docs.rs/native_db/latest/native_db/#api)
- [Quick Start](https://docs.rs/native_db/latest/native_db/#quick_start)
- Full example with Tauri: [native_db_tauri_vanilla](https://github.com/vincent-herlemont/native_db_tauri_vanilla)
# Projects using Native DB
- [polly-scheduler](https://github.com/dongbin86/polly-scheduler)
If you want to propose your project or company that uses Native DB, please open a PR.
# Example
```rust
use serde::{Deserialize, Serialize};
use native_db::*;
use native_model::{native_model, Model};
use once_cell::sync::Lazy;
#[derive(Serialize, Deserialize, PartialEq, Debug)]
#[native_model(id = 1, version = 1)]
#[native_db]
struct Item {
#[primary_key]
id: u32,
#[secondary_key]
name: String,
}
// Define the models
// The lifetime of the models needs to be longer or equal to the lifetime of the database.
// In many cases, it is simpler to use a static variable but it is not mandatory.
static MODELS: Lazy = Lazy::new(|| {
let mut models = Models::new();
models.define::().unwrap();
models
});
fn main() -> Result<(), db_type::Error> {
// Create a database in memory
let mut db = Builder::new().create_in_memory(&MODELS)?;
// Insert data (open a read-write transaction)
let rw = db.rw_transaction()?;
rw.insert(Item { id: 1, name: "red".to_string() })?;
rw.insert(Item { id: 2, name: "green".to_string() })?;
rw.insert(Item { id: 3, name: "blue".to_string() })?;
rw.commit()?;
// Open a read-only transaction
let r = db.r_transaction()?;
// Retrieve data with id=3
let retrieve_data: Item = r.get().primary(3_u32)?.unwrap();
println!("data id='3': {:?}", retrieve_data);
// Iterate items with name starting with "red"
for item in r.scan().secondary::(ItemKey::name)?.start_with("red")? {
println!("data name=\"red\": {:?}", item);
}
// Remove data (open a read-write transaction)
let rw = db.rw_transaction()?;
rw.remove(retrieve_data)?;
rw.commit()?;
Ok(())
}
```