定时任务优化

app/services/checkpoint.py

@@ -15,6 +15,12 @@ class CheckpointService(BaseService[Checkpoint]):
         checkpoints = self.get_by_field(db, "point_id", point_id)
         return checkpoints[0] if checkpoints else None
 
+    def get_by_point_ids_batch(self, db: Session, point_ids: List[str]) -> List[Checkpoint]:
+        """批量根据观测点ID列表获取观测点数据（使用IN查询优化性能）"""
+        if not point_ids:
+            return []
+        return db.query(Checkpoint).filter(Checkpoint.point_id.in_(point_ids)).all()
+
     def search_checkpoints(self, db: Session,
                           aname: Optional[str] = None,
                           section_id: Optional[str] = None,