add sql_type to declare db

Author: LuisLuii

src/fastapi_quickcrud/crud_router.py

@@ -40,6 +40,7 @@ def crud_router_builder(
         dependencies: Optional[List[callable]] = None,
         crud_models: Optional[CRUDModel] = None,
         async_mode: Optional[bool] = None,
+        sql_type: Optional[str] = None,
         **router_kwargs: Any) -> APIRouter:
     """
     :param db_session: Callable function
@@ -110,9 +111,9 @@ def get_transaction_session():
     if async_mode:
         async def async_runner(f):
             return [i.bind.name async for i in f()]
-
-        sql_type, = asyncio.get_event_loop().run_until_complete(async_runner(db_session))
-    else:
+        if sql_type is None:
+            sql_type, = asyncio.get_event_loop().run_until_complete(async_runner(db_session))
+    elif sql_type is None:
         sql_type, = [i.bind.name for i in db_session()]
 
     if not crud_methods and NO_PRIMARY_KEY == False: