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Code Issues 32 Releases Wiki Activity

Fixed #29865 -- Added logical XOR support for Q() and querysets.

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This commit is contained in:
Ryan Heard
2021-07-02 15:09:13 -05:00
committed by Mariusz Felisiak
parent 795da6306a
commit c6b4d62fa2
19 changed files with 311 additions and 18 deletions
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19
django/db/models/query.py
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@@ -396,6 +396,25 @@ class QuerySet:
combined.query.combine(other.query, sql.OR)
return combined
def __xor__(self, other):
self._check_operator_queryset(other, "^")
self._merge_sanity_check(other)
if isinstance(self, EmptyQuerySet):
return other
if isinstance(other, EmptyQuerySet):
return self
query = (
self
if self.query.can_filter()
else self.model._base_manager.filter(pk__in=self.values("pk"))
)
combined = query._chain()
combined._merge_known_related_objects(other)
if not other.query.can_filter():
other = other.model._base_manager.filter(pk__in=other.values("pk"))
combined.query.combine(other.query, sql.XOR)
return combined
####################################
# METHODS THAT DO DATABASE QUERIES #
####################################