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Fixed #27021 -- Allowed lookup expressions in annotations, aggregations, and QuerySet.filter().

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Thanks Hannes Ljungberg and Simon Charette for reviews.

Co-authored-by: Mariusz Felisiak <felisiak.mariusz@gmail.com>
This commit is contained in:
Ian Foote 2021-04-02 18:25:20 +01:00 • committed by Mariusz Felisiak
parent f5dccbafb9
commit f42ccdd835
11 changed files with 268 additions and 48 deletions
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6
django/db/models/sql/query.py
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@ -1262,9 +1262,9 @@ class Query(BaseExpression):
if hasattr(filter_expr, 'resolve_expression'):
if not getattr(filter_expr, 'conditional', False):
raise TypeError('Cannot filter against a non-conditional expression.')
condition = self.build_lookup(
['exact'], filter_expr.resolve_expression(self, allow_joins=allow_joins), True
)
condition = filter_expr.resolve_expression(self, allow_joins=allow_joins)
if not isinstance(condition, Lookup):
condition = self.build_lookup(['exact'], condition, True)
clause = self.where_class()
clause.add(condition, AND)
return clause, []