Struct diesel::r2d2::ConnectionManager

pub struct ConnectionManager<T> { /* private fields */ }

Available on crate feature r2d2 only.

An r2d2 connection manager for use with Diesel.

See the r2d2 documentation for usage examples.

Implementations

impl<T> ConnectionManager<T>

pub fn new<S: Into<String>>(database_url: S) -> Self

Returns a new connection manager, which establishes connections to the given database URL.

Trait Implementations

impl<T: Clone> Clone for ConnectionManager<T>

fn clone(&self) -> ConnectionManager<T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T> Debug for ConnectionManager<T>

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

Formats the value using the given formatter.

impl<T> ManageConnection for ConnectionManager<T>

where T: R2D2Connection + Send + 'static,

type Connection = T

The connection type this manager deals with.

type Error = Error

The error type returned by Connections.

fn connect(&self) -> Result<T, Error>

Attempts to create a new connection.

fn is_valid(&self, conn: &mut T) -> Result<(), Error>

Determines if the connection is still connected to the database.

fn has_broken(&self, conn: &mut T) -> bool

Quickly determines if the connection is no longer usable.

impl<T: Send + 'static> Sync for ConnectionManager<T>