fix db

app/db/__init__.py

@@ -2,23 +2,20 @@ import asyncio
 from typing import Any, Generator, List, Optional, Self, Tuple, AsyncGenerator, Union
 
 from sqlalchemy import NullPool, QueuePool, and_, create_engine, inspect, text, select, delete, Column, Integer, \
-    Sequence
+    Sequence, Identity
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
 from sqlalchemy.orm import Session, as_declarative, declared_attr, scoped_session, sessionmaker
 
 from app.core.config import settings
 
 
-def get_id_column(table_name: str = None):
+def get_id_column():
     """
     根据数据库类型返回合适的ID列定义
     """
     if settings.DB_TYPE.lower() == "postgresql":
-        # PostgreSQL使用显式序列，确保序列正确创建
-        if table_name:
-            return Column(Integer, Sequence(f'{table_name}_id_seq'), primary_key=True, index=True)
-        else:
-            return Column(Integer, Sequence('id_seq'), primary_key=True, index=True)
+        # PostgreSQL使用SERIAL类型，让数据库自动处理序列
+        return Column(Integer, Identity(start=1, cycle=True), primary_key=True, index=True)
     else:
         # SQLite使用Sequence
         return Column(Integer, Sequence('id'), primary_key=True, index=True)