增加account_id条件获取沉降数据

app/services/section_data.py

@@ -20,10 +20,16 @@ class SectionDataService(BaseService[SectionData]):
         """根据断面ID获取断面数据"""
         sections = self.get_by_field(db, "section_id", section_id)
         return sections[0] if sections else None
-    def get_by_account_id(self, db: Session, account_id: str) -> Optional[SectionData]:
+    def get_by_account_id(self, db: Session, account_id: str) -> List[SectionData]:
         """根据账号ID获取断面数据"""
         accounts = self.get_by_field(db, "account_id", account_id)
-        return accounts if accounts else None
+        return accounts if accounts else []
+
+    def get_by_account_id_batch(self, db: Session, account_ids: List[str]) -> List[SectionData]:
+        """批量根据账号ID列表获取断面数据（使用IN查询优化性能）"""
+        if not account_ids:
+            return []
+        return db.query(SectionData).filter(SectionData.account_id.in_(account_ids)).all()
     def get_by_number(self, db: Session, number: str) -> List[SectionData]:
         """根据桥梁墩(台)编号获取断面数据"""
         return self.get_by_field(db, "number", number)