python - Inheriting from SQLModel with table=True raises Value error if parent has a non-trivial field type - Stack Overflow

admin2025-04-21  0

On sqlmodel 0.0.22, the following code will crash with ValueError: <class 'list'> has no matching SQLAlchemy type

from sqlalchemy import ARRAY
from sqlmodel import Field, SQLModel, String


class Foo(SQLModel, table=True):
    id: str = Field(primary_key=True)
    bar: list[str] = Field(sa_type=ARRAY(String))


class Bar(Foo):
    pass

Removing table=True gets rid of the error.

Does anyone know why and is there a workaround?

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