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fix _is_field_noneable

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This commit is contained in:
honglei 2023-08-20 21:10:32 +08:00
parent 6e89ad374b
commit 6b7925d8ce
1 changed files with 3 additions and 2 deletions
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5
sqlmodel/main.py
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@ -666,14 +666,15 @@ def _is_field_noneable(field: FieldInfo) -> bool:
return field.nullable
if not field.is_required():
default = getattr(field, "original_default", field.default)
if default is PydanticUndefined:
return False
if field.annotation is None or field.annotation is NoneType:
return True
if _is_optional_or_union(field.annotation):
for base in get_args(field.annotation):
if base is NoneType:
return True
if default is PydanticUndefined:
return False
return False
return False