Simon Charette 28e2077148 Refs #32433 -- Reallowed calling QuerySet.delete() after distinct(). ... While values(*field_excluding_pk).distinct() and distinct(*field_excluding_pk) can reduce the number of resulting rows in a way that makes subsequent delete() calls ambiguous standalone .distinct() calls cannot. Since delete() already disallows chain usages with values() the only case that needs to be handled, as originally reported, is when DISTINCT ON is used via distinct(*fields). Refs #32682 which had to resort to subqueries to prevent duplicates in the admin and caused significant performance regressions on MySQL (refs #34639). This partly reverts 6307c3f1a1.		2023-07-07 07:08:28 +02:00
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__init__.py
models.py	Fixed #33928 -- Avoided unnecessary queries when cascade updating.	2022-08-27 14:25:55 +02:00
tests.py	Refs #32433 -- Reallowed calling QuerySet.delete() after distinct().	2023-07-07 07:08:28 +02:00