feat: 每个model都可以按需控制自己是否需要级联查询出来关联信息

app/model/UserModel.py

@@ -58,7 +58,10 @@ class UserServiceModel(PublicUser, table=True):
   @computed_field
   @property
   def pos(self) -> Optional[PosModel]:
-    return self.position
+    try:
+      return self.position
+    except:
+      return None
 
   @pos.setter
   def pos(self, value: Optional[PosModel]) -> None:
@@ -67,7 +70,10 @@ class UserServiceModel(PublicUser, table=True):
   @computed_field
   @property
   def pos_name(self) -> Optional[str]:
-    return self.position.name if self.position else None
+    try:
+      return self.position.name if self.position else None
+    except:
+      return None
 
   @pos_name.setter
   def pos_name(self, value: Optional[str]) -> None:
@@ -76,8 +82,11 @@ class UserServiceModel(PublicUser, table=True):
   @computed_field
   @property
   def org_name(self) -> Optional[str]:
-    organization = self.position.organization if self.position else None
-    return organization.name if organization else None
+    try:
+      organization = self.position.organization if self.position else None
+      return organization.name if organization else None
+    except:
+      return None
 
   @org_name.setter
   def org_name(self, value: Optional[str]) -> None: