Maybe make _default_manager part of the public API
|Reported by:||Malcolm Tredinnick||Owned by:||nobody|
|Component:||Database layer (models, ORM)||Version:||master|
|Cc:||Triage Stage:||Design decision needed|
|Has patch:||no||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
Moving the "design-decision-needed" portion of #9676 over here. The contention is that some applications might need access to
_default_manager and so it should be part of the public API.
Needs more thinking about the problem space before a decision can be reached here. Certainly post-1.1.