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Code Issues 32 Releases Wiki Activity

Fixed #36606 -- Optimized QuerySet.values_list(flat=True) without fields.

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This commit is contained in:
Adam Johnson 2025-09-11 19:44:29 +01:00 committed by Jacob Walls
parent 2336d5d33a
commit 2063c88c34
1 changed files with 8 additions and 5 deletions
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13
django/db/models/query.py
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@ -1416,11 +1416,14 @@ class QuerySet(AltersData):
def values_list(self, *fields, flat=False, named=False):
if flat and named:
raise TypeError("'flat' and 'named' can't be used together.")
if flat and len(fields) > 1:
raise TypeError(
"'flat' is not valid when values_list is called with more than one "
"field."
)
if flat:
if len(fields) > 1:
raise TypeError(
"'flat' is not valid when values_list is called with more than one "
"field."
)
elif not fields:
fields = [self.model._meta.concrete_fields[0].attname]
field_names = {f: False for f in fields if not hasattr(f, "resolve_expression")}
_fields = []