fix polymorphic_on check

2024-11-26 10:57:07 +08:00 · 2024-11-26 10:57:07 +08:00 · 48f2a88752
commit 48f2a88752
parent 4071b0fc64
1 changed files with 1 additions and 1 deletions
--- a/sqlmodel/_compat.py
+++ b/sqlmodel/_compat.py
@ -294,7 +294,7 @@ if IS_PYDANTIC_V2:
        # Override polymorphic_on default value
        mapper = inspect(cls)
        polymorphic_on = mapper.polymorphic_on
-        if polymorphic_on:
+        if polymorphic_on is not None:
            polymorphic_property = mapper.get_property_by_column(polymorphic_on)
            field_info = cls.model_fields.get(polymorphic_property.key)
            if field_info: