equal
deleted
inserted
replaced
46 def __invert__(self): |
46 def __invert__(self): |
47 obj = deepcopy(self) |
47 obj = deepcopy(self) |
48 obj.negate() |
48 obj.negate() |
49 return obj |
49 return obj |
50 |
50 |
|
51 def select_related_descend(field, restricted, requested): |
|
52 """ |
|
53 Returns True if this field should be used to descend deeper for |
|
54 select_related() purposes. Used by both the query construction code |
|
55 (sql.query.fill_related_selections()) and the model instance creation code |
|
56 (query.get_cached_row()). |
|
57 """ |
|
58 if not field.rel: |
|
59 return False |
|
60 if field.rel.parent_link: |
|
61 return False |
|
62 if restricted and field.name not in requested: |
|
63 return False |
|
64 if not restricted and field.null: |
|
65 return False |
|
66 return True |
|
67 |