Panic at sqlx-core-0.5.1/src/mysql/io/buf.rs:25 #1078
Comments
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changing if db_version != version {
return Err(api::Error::VersionConflict(db_version, version));
};to if db_version != version {
drop(tx); // <-------- added line
return Err(api::Error::VersionConflict(db_version, version));
};leads to the same panic. but changing it to: if db_version != version {
tx.rollback().await.map_err(|e| api::Error::ServerSideError(e.into()))?;
return Err(api::Error::VersionConflict(db_version, version));
};works. So manually rollbacking the transaction at every failure code path can be a temporary workaround. |
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Hello macro_rules! try_rollback {
($tx:expr,$result:expr) => {{
if let Err(err) = $result {
let _ = $tx.rollback().await; // you can handle this error if you like
return Err(err.into());
}
}};
}And here is how I use it: let mut tx = conn.begin().await?;
try_rollback!(tx, Database::my_function(&mut tx, id).await); |
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Closed by #1439 |
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The function:
When there is a version conflict, I get this panic, I guess probably when the transaction is being rolled-back.
the code is available here: https://github.com/PaulGrandperrin/cachou/blob/crash_in_sqlx/server/src/db/sql.rs#L166
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