Trait r2d2::CustomizeConnection
[−]
[src]
pub trait CustomizeConnection<C, E>: Debug + Send + Sync + 'static { fn on_acquire(&self, conn: &mut C) -> Result<(), E> { ... } }
A trait which allows for customization of connections.
Provided Methods
fn on_acquire(&self, conn: &mut C) -> Result<(), E>
Called with connections immediately after they are returned from
ManageConnection::connect
.
The default implementation simply returns Ok(())
.
Errors
If this method returns an error, the connection will be discarded.
Implementors
impl<C, E> CustomizeConnection<C, E> for NopConnectionCustomizer