add banban service code

talkingq-url/banban/db_compat.py

@@ -0,0 +1,22 @@
+from collections.abc import Sequence
+from typing import Any
+
+from sqlalchemy.orm import Session
+
+
+def inserted_primary_key(result: Any) -> int:
+    lastrowid = getattr(result, "lastrowid", None)
+    if lastrowid is not None:
+        return int(lastrowid)
+
+    try:
+        inserted_primary_key = result.inserted_primary_key
+    except Exception:
+        inserted_primary_key = None
+
+    if isinstance(inserted_primary_key, Sequence) and inserted_primary_key:
+        primary_key = inserted_primary_key[0]
+        if primary_key is not None:
+            return int(primary_key)
+
+    raise RuntimeError("Could not determine inserted primary key")