Defines instrumentation of instances.
This module is usually not directly visible to user applications, but defines a large part of the ORM's interactivity.
| Class | AttributeState |
Provide an inspection interface corresponding to a particular attribute on a particular mapped object. |
| Class | InstanceState |
tracks state information at the instance level. |
| Class | PendingCollection |
A writable placeholder for an unloaded collection. |
| Variable | _async_provider |
Undocumented |
| Variable | _sessions |
Undocumented |