class documentation
class ForeignKeyDeferredAttribute(DeferredAttribute): (source)
Undocumented
Method | __set__ |
Undocumented |
Inherited from DeferredAttribute
:
Method | __get__ |
Retrieve and caches the value from the datastore on the first lookup. Return the cached value. |
Method | __init__ |
Undocumented |
Instance Variable | field |
Undocumented |
Method | _check |
Check if the field value can be fetched from a parent field already loaded in the instance. This can be done if the to-be fetched field is a primary key field. |