Enum Error

pub enum Error {
    ConnectionError(ConnectionError),
    QueryError(Error),
}

Available on crate feature r2d2 only.

The error used when managing connections with r2d2.

Variants

ConnectionError(ConnectionError)

An error occurred establishing the connection

QueryError(Error)

An error occurred pinging the database

Trait Implementations

impl<C: Connection> CustomizeConnection<C, Error> for TestCustomizer

fn on_acquire(&self, conn: &mut C) -> Result<(), Error>

Called with connections immediately after they are returned from ManageConnection::connect.

fn on_release(&self, conn: C)

Called with connections when they are removed from the pool.

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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.