小程序后端补充数据库兼容层与启动适配

mini-program/app/routers/auth.py

@@ -8,11 +8,13 @@ from sqlalchemy.orm import Session
 try:
     # For module mode: `uvicorn app.main:app`
     from app.db import get_db
+    from app.db_compat import current_timestamp_sql
     from app.schemas.auth import LoginRequest, LoginResponse
     from app.security import create_access_token
 except ModuleNotFoundError:
     # For script mode: `python app/main.py` or VS Code "Run Python File"
     from db import get_db
+    from db_compat import current_timestamp_sql
     from schemas.auth import LoginRequest, LoginResponse
     from security import create_access_token
 
@@ -34,6 +36,7 @@ def login(
     db: Session = Depends(get_db),
 ) -> LoginResponse:
     username_masked = _mask_username(payload.username)
+    now_sql = current_timestamp_sql(db)
     with db.begin():
         row = (
             db.execute(
@@ -107,10 +110,10 @@ def login(
 
         db.execute(
             text(
-                """
+                f"""
                 UPDATE chat_user_auth
-                SET last_login_at = CURRENT_TIMESTAMP(3),
-                    updated_at = CURRENT_TIMESTAMP(3)
+                SET last_login_at = {now_sql},
+                    updated_at = {now_sql}
                 WHERE id = :user_auth_id
                 """
             ),
@@ -118,10 +121,10 @@ def login(
         )
         db.execute(
             text(
-                """
+                f"""
                 UPDATE chat_user
-                SET last_login_at = CURRENT_TIMESTAMP(3),
-                    updated_at = CURRENT_TIMESTAMP(3)
+                SET last_login_at = {now_sql},
+                    updated_at = {now_sql}
                 WHERE id = :user_id
                 """
             ),