Fix inheritance when getting annotations

Author: stickm4n

sqlmodel/main.py

@@ -567,7 +567,11 @@ def get_config(name: str) -> Any:
                 if isinstance(original_field, FieldInfo):
                     field = original_field
                 else:
-                    annotated_field = get_annotations(new_cls.__dict__).get(k, {})
+                    annotated_field = next(
+                        ann
+                        for c in new_cls.__mro__
+                        if (ann := get_annotations(c.__dict__).get(k))
+                    )
                     annotated_field_meta = getattr(
                         annotated_field, "__metadata__", (())
                     )

tests/test_declaration_syntax.py

@@ -4,15 +4,24 @@
 
 
 def test_declaration_syntax_1():
-    class Person1(SQLModel, table=True):
+    class Person1(SQLModel):
         name: str = Field(primary_key=True)
 
+    class Person1Final(Person1, table=True):
+        pass
+
 
 def test_declaration_syntax_2():
-    class Person2(SQLModel, table=True):
+    class Person2(SQLModel):
         name: Annotated[str, Field(primary_key=True)]
 
+    class Person2Final(Person2, table=True):
+        pass
+
 
 def test_declaration_syntax_3():
-    class Person3(SQLModel, table=True):
+    class Person3(SQLModel):
         name: Annotated[str, ...] = Field(primary_key=True)
+
+    class Person3Final(Person3, table=True):
+        pass