#connection-pool #sqlite #r2d2 #pool

hc_r2d2_sqlite

SQLite and SQLCipher support for the r2d2 connection pool

2 unstable releases

0.25.0 Aug 22, 2024
0.24.0 Jun 7, 2024

#955 in Database interfaces

Download history 685/week @ 2024-08-21 716/week @ 2024-08-28 627/week @ 2024-09-04 747/week @ 2024-09-11 798/week @ 2024-09-18 646/week @ 2024-09-25 543/week @ 2024-10-02 447/week @ 2024-10-09 442/week @ 2024-10-16 640/week @ 2024-10-23 662/week @ 2024-10-30 557/week @ 2024-11-06 593/week @ 2024-11-13 489/week @ 2024-11-20 655/week @ 2024-11-27 340/week @ 2024-12-04

2,178 downloads per month
Used in 24 crates (via holochain_sqlite)

MIT license

9KB
102 lines

r2d2-sqlite

Latest Version Build Status MIT licensed

r2d2 connection pool for sqlite based on Steven Fackler's r2d2-postgres.

Documentation


lib.rs:

Sqlite support for the r2d2 connection pool.

Library crate: r2d2-sqlite

Integrated with: r2d2 and rusqlite

Example

extern crate r2d2;
extern crate r2d2_sqlite;
extern crate rusqlite;

use std::thread;
use r2d2_sqlite::SqliteConnectionManager;
use rusqlite::params;

fn main() {
    let manager = SqliteConnectionManager::file("file.db");
    let pool = r2d2::Pool::new(manager).unwrap();
    pool.get()
        .unwrap()
        .execute("CREATE TABLE IF NOT EXISTS foo (bar INTEGER)", params![])
        .unwrap();

    (0..10)
        .map(|i| {
            let pool = pool.clone();
            thread::spawn(move || {
                let conn = pool.get().unwrap();
                conn.execute("INSERT INTO foo (bar) VALUES (?)", &[&i])
                    .unwrap();
            })
        })
        .collect::<Vec<_>>()
        .into_iter()
        .map(thread::JoinHandle::join)
        .collect::<Result<_, _>>()
        .unwrap()
}

Dependencies

~28MB
~454K SLoC