Struct diesel_async::pooled_connection::AsyncDieselConnectionManager

pub struct AsyncDieselConnectionManager<C> { /* private fields */ }

An connection manager for use with diesel-async.

See the concrete pool implementations for examples:

• deadpool
• bb8
• mobc

Implementations

impl<C> AsyncDieselConnectionManager<C>

where C: AsyncConnection + 'static,

pub fn new(connection_url: impl Into<String>) -> Self

where C: AsyncConnection + 'static,

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

pub fn new_with_config( connection_url: impl Into<String>, manager_config: ManagerConfig<C>, ) -> Self

Returns a new connection manager, which establishes connections with the given database URL and that uses the specified configuration

Trait Implementations

impl<C> Debug for AsyncDieselConnectionManager<C>

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

Formats the value using the given formatter.

impl<C> Manager for AsyncDieselConnectionManager<C>

where C: PoolableConnection + Send + 'static, select<AsExprOf<i32, Integer>>: ExecuteDsl<C>, SqlQuery: QueryFragment<C::Backend>,

type Type = C

Type of Objects that this Manager creates and recycles.

type Error = PoolError

Error that this Manager can return when creating and/or recycling Objects.

async fn create(&self) -> Result<Self::Type, Self::Error>

Creates a new instance of Manager::Type.

async fn recycle( &self, obj: &mut Self::Type, _: &Metrics, ) -> RecycleResult<Self::Error>

Tries to recycle an instance of Manager::Type.

fn detach(&self, _obj: &mut Self::Type)

Detaches an instance of Manager::Type from this Manager.