Crate deadpool_sqlite

Source
Expand description

§Deadpool for SQLite Latest Version Unsafe forbidden Rust 1.75+

Deadpool is a dead simple async pool for connections and objects of any type.

This crate implements a deadpool manager for rusqlite and provides a wrapper that ensures correct use of the connection inside a separate thread.

§Features

FeatureDescriptionExtra dependenciesDefault
rt_tokio_1Enable support for tokio cratedeadpool/rt_tokio_1yes
rt_async-std_1Enable support for async-std cratedeadpool/rt_async-std_1no
serdeEnable support for serde cratedeadpool/serde, serde/deriveno
tracingEnable support for tracing by propagating Spans in the interact() calls. Enable this if you use the tracing crate and you want to get useful traces from within interact() calls.deadpool-sync/tracing, tracingno

§Example

use deadpool_sqlite::{Config, Runtime};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let mut cfg = Config::new("db.sqlite3");
    let pool = cfg.create_pool(Runtime::Tokio1).unwrap();
    let conn = pool.get().await.unwrap();
    let result: i64 = conn
        .interact(|conn| {
            let mut stmt = conn.prepare("SELECT 1")?;
            let mut rows = stmt.query([])?;
            let row = rows.next()?.unwrap();
            row.get(0)
        })
        .await??;
    assert_eq!(result, 1);
    Ok(())
}

§License

Licensed under either of

at your option.

Re-exports§

Structs§

  • Config
    Configuration object.
  • Manager
    Manager for creating and recycling SQLite Connections.
  • Metrics
    Statistics regarding an object returned by the pool
  • PoolConfig
    Pool configuration.
  • Status
    The current pool status.
  • SyncGuard
    This guard is returned when calling SyncWrapper::lock or SyncWrapper::try_lock. This is basicly just a wrapper around a MutexGuard but hides some implementation details.
  • Timeouts
    Timeouts when getting Objects from a Pool.

Enums§

Type Aliases§