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🐛Add check for Literal type annotation in get_sqlalchemy_type #1439

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3 changes: 3 additions & 0 deletions sqlmodel/main.py
Original file line number Diff line number Diff line change
Expand Up @@ -655,6 +655,9 @@ def get_sqlalchemy_type(field: Any) -> Any:
type_ = get_sa_type_from_field(field)
metadata = get_field_metadata(field)

# Checks for `Literal` type annotation
if type_ is Literal:
return AutoString
# Check enums first as an enum can also be a str, needed by Pydantic/FastAPI
if issubclass(type_, Enum):
return sa_Enum(type_)
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