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

This commit is contained in:
Daniel García 2023-01-09 19:54:25 +01:00
parent 5399ee8208
commit c47d9f6593
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GPG Key ID: FC8A7D14C3CD543A
1 changed files with 11 additions and 14 deletions

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