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fix for not saving related model in reverse rel

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This commit is contained in:
collerek
2021-06-02 13:05:10 +02:00
parent 0254abcd6c
commit c8ca6edb22
5 changed files with 63 additions and 2 deletions
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6
docs/relations/foreign-key.md
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@ -99,7 +99,7 @@ course = Course(name="Math", completed=False) # note - not saved
await department.courses.add(course)
assert course.pk is not None # child model was saved
# relation on child model is set and FK column saved in db
assert courses.department == department
assert course.department == department
# relation on parent model is also set
assert department.courses[0] == course
```
@ -112,6 +112,10 @@ assert department.courses[0] == course
That means that in example above the department has to be saved before you can call `department.courses.add()`.
!!!warning
This method will not work on `ManyToMany` relations - there, both sides of the relation have to be saved before adding to relation.
### remove
Removal of the related model one by one.