添加对 PostgreSQL 的支持

app/db/models/site.py

@@ -1,17 +1,17 @@
 from datetime import datetime
 
-from sqlalchemy import Boolean, Column, Integer, String, Sequence, JSON, select, delete
+from sqlalchemy import Boolean, Column, Integer, String, JSON, select, delete
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import Session
 
-from app.db import db_query, db_update, Base, async_db_query, async_db_update
+from app.db import db_query, db_update, Base, async_db_query, async_db_update, get_id_column
 
 
 class Site(Base):
     """
     站点表
     """
-    id = Column(Integer, Sequence('id'), primary_key=True, index=True)
+    id = get_id_column()
     # 站点名
     name = Column(String, nullable=False)
     # 域名Key