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Fix some lints: explicit Arc::clone, and unnecessary return after unreachable!

Dieser Commit ist enthalten in:
Daniel García 2023-01-09 19:54:25 +01:00
Ursprung 5399ee8208
Commit c47d9f6593
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: FC8A7D14C3CD543A

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@ -75,12 +75,10 @@ macro_rules! generate_connections {
#[cfg($name)] #[cfg($name)]
impl CustomizeConnection<$ty, diesel::r2d2::Error> for DbConnOptions { impl CustomizeConnection<$ty, diesel::r2d2::Error> for DbConnOptions {
fn on_acquire(&self, conn: &mut $ty) -> Result<(), diesel::r2d2::Error> { fn on_acquire(&self, conn: &mut $ty) -> Result<(), diesel::r2d2::Error> {
(|| { if !self.init_stmts.is_empty() {
if !self.init_stmts.is_empty() { conn.batch_execute(&self.init_stmts).map_err(diesel::r2d2::Error::QueryError)?;
conn.batch_execute(&self.init_stmts)?; }
} Ok(())
Ok(())
})().map_err(diesel::r2d2::Error::QueryError)
} }
})+ })+
@ -97,7 +95,7 @@ macro_rules! generate_connections {
impl Drop for DbConn { impl Drop for DbConn {
fn drop(&mut self) { fn drop(&mut self) {
let conn = self.conn.clone(); let conn = Arc::clone(&self.conn);
let permit = self.permit.take(); let permit = self.permit.take();
// Since connection can't be on the stack in an async fn during an // Since connection can't be on the stack in an async fn during an
@ -143,21 +141,20 @@ macro_rules! generate_connections {
})) }))
.build(manager) .build(manager)
.map_res("Failed to create pool")?; .map_res("Failed to create pool")?;
return Ok(DbPool { Ok(DbPool {
pool: Some(DbPoolInner::$name(pool)), pool: Some(DbPoolInner::$name(pool)),
semaphore: Arc::new(Semaphore::new(CONFIG.database_max_conns() as usize)), semaphore: Arc::new(Semaphore::new(CONFIG.database_max_conns() as usize)),
}); })
} }
#[cfg(not($name))] #[cfg(not($name))]
#[allow(unreachable_code)] unreachable!("Trying to use a DB backend when it's feature is disabled")
return unreachable!("Trying to use a DB backend when it's feature is disabled");
}, },
)+ } )+ }
} }
// Get a connection from the pool // Get a connection from the pool
pub async fn get(&self) -> Result<DbConn, Error> { pub async fn get(&self) -> Result<DbConn, Error> {
let duration = Duration::from_secs(CONFIG.database_timeout()); let duration = Duration::from_secs(CONFIG.database_timeout());
let permit = match timeout(duration, self.semaphore.clone().acquire_owned()).await { let permit = match timeout(duration, Arc::clone(&self.semaphore).acquire_owned()).await {
Ok(p) => p.expect("Semaphore should be open"), Ok(p) => p.expect("Semaphore should be open"),
Err(_) => { Err(_) => {
err!("Timeout waiting for database connection"); err!("Timeout waiting for database connection");
@ -170,10 +167,10 @@ macro_rules! generate_connections {
let pool = p.clone(); let pool = p.clone();
let c = run_blocking(move || pool.get_timeout(duration)).await.map_res("Error retrieving connection from pool")?; let c = run_blocking(move || pool.get_timeout(duration)).await.map_res("Error retrieving connection from pool")?;
return Ok(DbConn { Ok(DbConn {
conn: Arc::new(Mutex::new(Some(DbConnInner::$name(c)))), conn: Arc::new(Mutex::new(Some(DbConnInner::$name(c)))),
permit: Some(permit) permit: Some(permit)
}); })
}, },
)+ } )+ }
} }