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Refs #33482 -- Fixed QuerySet selecting and filtering againts negated Exists() with empty queryset.

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Regression in b7d1da5a62.
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Mariusz Felisiak 2022-02-07 20:34:21 +01:00 • committed by GitHub
parent 25514b604a
commit 6f185a53a2
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2 changed files with 12 additions and 1 deletions
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5
django/db/models/expressions.py
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@ -1221,7 +1221,10 @@ class Exists(Subquery):
)
except EmptyResultSet:
if self.negated:
return '', ()
features = compiler.connection.features
if not features.supports_boolean_expr_in_select_clause:
return "1=1", ()
return compiler.compile(Value(True))
raise
if self.negated:
sql = 'NOT {}'.format(sql)