mirror of
https://github.com/zed-industries/zed.git
synced 2024-12-27 19:02:07 +00:00
Retry transactions if there's a serialization failure during commit
This commit is contained in:
Antonio Scandurra
parent
0ed731780a
commit
d97a8364ad
1 changed files with 87 additions and 76 deletions
|
|
@ -2131,47 +2131,30 @@ impl Database {
|
|||
F: Send + Fn(TransactionHandle) -> Fut,
|
||||
Fut: Send + Future<Output = Result<T>>,
|
||||
{
|
||||
let body = async {
|
||||
loop {
|
||||
let (tx, result) = self.with_transaction(&f).await?;
|
||||
match result {
|
||||
Ok(result) => {
|
||||
tx.commit().await?;
|
||||
return Ok(result);
|
||||
}
|
||||
Err(error) => {
|
||||
tx.rollback().await?;
|
||||
match error {
|
||||
Error::Database(
|
||||
DbErr::Exec(sea_orm::RuntimeErr::SqlxError(error))
|
||||
| DbErr::Query(sea_orm::RuntimeErr::SqlxError(error)),
|
||||
) if error
|
||||
.as_database_error()
|
||||
.and_then(|error| error.code())
|
||||
.as_deref()
|
||||
== Some("40001") =>
|
||||
{
|
||||
loop {
|
||||
let (tx, result) = self.run(self.with_transaction(&f)).await?;
|
||||
match result {
|
||||
Ok(result) => {
|
||||
match self.run(async move { Ok(tx.commit().await?) }).await {
|
||||
Ok(()) => return Ok(result),
|
||||
Err(error) => {
|
||||
if is_serialization_error(&error) {
|
||||
// Retry (don't break the loop)
|
||||
} else {
|
||||
return Err(error);
|
||||
}
|
||||
error @ _ => return Err(error),
|
||||
}
|
||||
}
|
||||
}
|
||||
Err(error) => {
|
||||
self.run(tx.rollback()).await?;
|
||||
if is_serialization_error(&error) {
|
||||
// Retry (don't break the loop)
|
||||
} else {
|
||||
return Err(error);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
#[cfg(test)]
|
||||
{
|
||||
if let Some(background) = self.background.as_ref() {
|
||||
background.simulate_random_delay().await;
|
||||
}
|
||||
|
||||
self.runtime.as_ref().unwrap().block_on(body)
|
||||
}
|
||||
|
||||
#[cfg(not(test))]
|
||||
{
|
||||
body.await
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2180,53 +2163,38 @@ impl Database {
|
|||
F: Send + Fn(TransactionHandle) -> Fut,
|
||||
Fut: Send + Future<Output = Result<(RoomId, T)>>,
|
||||
{
|
||||
let body = async {
|
||||
loop {
|
||||
let (tx, result) = self.with_transaction(&f).await?;
|
||||
match result {
|
||||
Ok((room_id, data)) => {
|
||||
let lock = self.rooms.entry(room_id).or_default().clone();
|
||||
let _guard = lock.lock_owned().await;
|
||||
tx.commit().await?;
|
||||
return Ok(RoomGuard {
|
||||
data,
|
||||
_guard,
|
||||
_not_send: PhantomData,
|
||||
});
|
||||
}
|
||||
Err(error) => {
|
||||
tx.rollback().await?;
|
||||
match error {
|
||||
Error::Database(
|
||||
DbErr::Exec(sea_orm::RuntimeErr::SqlxError(error))
|
||||
| DbErr::Query(sea_orm::RuntimeErr::SqlxError(error)),
|
||||
) if error
|
||||
.as_database_error()
|
||||
.and_then(|error| error.code())
|
||||
.as_deref()
|
||||
== Some("40001") =>
|
||||
{
|
||||
loop {
|
||||
let (tx, result) = self.run(self.with_transaction(&f)).await?;
|
||||
match result {
|
||||
Ok((room_id, data)) => {
|
||||
let lock = self.rooms.entry(room_id).or_default().clone();
|
||||
let _guard = lock.lock_owned().await;
|
||||
match self.run(async move { Ok(tx.commit().await?) }).await {
|
||||
Ok(()) => {
|
||||
return Ok(RoomGuard {
|
||||
data,
|
||||
_guard,
|
||||
_not_send: PhantomData,
|
||||
});
|
||||
}
|
||||
Err(error) => {
|
||||
if is_serialization_error(&error) {
|
||||
// Retry (don't break the loop)
|
||||
} else {
|
||||
return Err(error);
|
||||
}
|
||||
error @ _ => return Err(error),
|
||||
}
|
||||
}
|
||||
}
|
||||
Err(error) => {
|
||||
self.run(tx.rollback()).await?;
|
||||
if is_serialization_error(&error) {
|
||||
// Retry (don't break the loop)
|
||||
} else {
|
||||
return Err(error);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
#[cfg(test)]
|
||||
{
|
||||
if let Some(background) = self.background.as_ref() {
|
||||
background.simulate_random_delay().await;
|
||||
}
|
||||
|
||||
self.runtime.as_ref().unwrap().block_on(body)
|
||||
}
|
||||
|
||||
#[cfg(not(test))]
|
||||
{
|
||||
body.await
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -2254,6 +2222,49 @@ impl Database {
|
|||
|
||||
Ok((tx, result))
|
||||
}
|
||||
|
||||
async fn run<F, T>(&self, future: F) -> T
|
||||
where
|
||||
F: Future<Output = T>,
|
||||
{
|
||||
#[cfg(test)]
|
||||
{
|
||||
if let Some(background) = self.background.as_ref() {
|
||||
background.simulate_random_delay().await;
|
||||
}
|
||||
|
||||
let result = self.runtime.as_ref().unwrap().block_on(future);
|
||||
|
||||
if let Some(background) = self.background.as_ref() {
|
||||
background.simulate_random_delay().await;
|
||||
}
|
||||
|
||||
result
|
||||
}
|
||||
|
||||
#[cfg(not(test))]
|
||||
{
|
||||
future.await
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn is_serialization_error(error: &Error) -> bool {
|
||||
const SERIALIZATION_FAILURE_CODE: &'static str = "40001";
|
||||
match error {
|
||||
Error::Database(
|
||||
DbErr::Exec(sea_orm::RuntimeErr::SqlxError(error))
|
||||
| DbErr::Query(sea_orm::RuntimeErr::SqlxError(error)),
|
||||
) if error
|
||||
.as_database_error()
|
||||
.and_then(|error| error.code())
|
||||
.as_deref()
|
||||
== Some(SERIALIZATION_FAILURE_CODE) =>
|
||||
{
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
|
||||
struct TransactionHandle(Arc<Option<DatabaseTransaction>>);
|
||||
|
|
|
|||
Loading…
Reference in a new issue