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| author | David Sanders <> | 2024-04-21 16:46:26 +1000 |
|---|---|---|
| committer | Sarah Boyce <42296566+sarahboyce@users.noreply.github.com> | 2024-05-02 19:05:13 +0200 |
| commit | 97d48cd3c6f409584b5cc19fbddfca917bae78fd (patch) | |
| tree | 9daa51c1a9914b6ee81d213826bbd52b338d12a0 /django/db/models/query_utils.py | |
| parent | 39828fa7786a805f7a542abb929f352d3c5b722c (diff) | |
Refs #34007, Refs #35359 -- Added Q.referenced_based_fields property.
Thank you to Mariusz Felisiak and Natalia Bidart for the reviews.
Diffstat (limited to 'django/db/models/query_utils.py')
| -rw-r--r-- | django/db/models/query_utils.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/django/db/models/query_utils.py b/django/db/models/query_utils.py index 9be17a4a84..1bf396723e 100644 --- a/django/db/models/query_utils.py +++ b/django/db/models/query_utils.py @@ -175,6 +175,19 @@ class Q(tree.Node): def __hash__(self): return hash(self.identity) + @cached_property + def referenced_base_fields(self): + """ + Retrieve all base fields referenced directly or through F expressions + excluding any fields referenced through joins. + """ + # Avoid circular imports. + from django.db.models.sql import query + + return { + child.split(LOOKUP_SEP, 1)[0] for child in query.get_children_from_q(self) + } + class DeferredAttribute: """ |
