Juan Alvarez 46b2b08e45 [4.2.x] Fixed #34779 -- Avoided unnecessary selection of non-nullable m2m fields without natural keys during serialization. ...

By using `select_related(None)` instead of `select_related()`, the
unnecessary joins are completely avoided. Note that the current tests
already covers the change, when the field is not `null=True`.

Regression in f9936deed1ff13b20e18bd9ca2b0750b52706b6c.

Backport of 517d3bb4dd17e9c51690c98d747b86a0ed8b2fbf from main

2023-08-19 11:23:59 +02:00

..

models

[4.2.x] Fixed #34779 -- Avoided unnecessary selection of non-nullable m2m fields without natural keys during serialization.

2023-08-19 11:23:59 +02:00

__init__.py

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test_data.py

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test_deserializedobject.py

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test_json.py

[4.2.x] Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys when base querysets use select_related().

2023-06-04 20:49:40 +02:00

test_jsonl.py

[4.2.x] Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys when base querysets use select_related().

2023-06-04 20:49:40 +02:00

test_natural.py

…

test_xml.py

[4.2.x] Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys when base querysets use select_related().

2023-06-04 20:49:40 +02:00

test_yaml.py

[4.2.x] Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys when base querysets use select_related().

2023-06-04 20:49:40 +02:00

tests.py

[4.2.x] Fixed #34620 -- Fixed serialization crash on m2m fields without natural keys when base querysets use select_related().

2023-06-04 20:49:40 +02:00