Enum TransactionError 

pub enum TransactionError<E> {
    Connection(DbErr),
    Transaction(E),
}

Error returned by TransactionTrait::transaction: either the database itself failed, or the user closure returned an Err (causing a rollback).

Variants

Connection(DbErr)

Failure issuing BEGIN, COMMIT, or ROLLBACK.

Transaction(E)

The closure returned an Err (the transaction has been rolled back).

Trait Implementations

impl<E: Debug> Debug for TransactionError<E>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<E> Display for TransactionError<E>

where E: Display + Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<E> Error for TransactionError<E>

where E: Display + Debug,

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl<E> From<DbErr> for TransactionError<E>

where E: Display + Debug,

fn from(e: DbErr) -> Self

Converts to this type from the input type.