删除旧文件；更新数据库查询方法

postgresql/scada_info.py

@@ -0,0 +1,35 @@
+from typing import List, Optional, Any
+from psycopg import AsyncConnection
+
+
+class ScadaRepository:
+
+    @staticmethod
+    async def get_scadas_info(conn: AsyncConnection) -> List[dict]:
+        """
+        查询pg数据库中,scada_info 的所有记录
+        :param conn: 异步数据库连接
+        :return: 包含所有记录的列表,每条记录为一个字典
+        """
+        async with conn.cursor() as cur:
+            await cur.execute(
+                """
+                SELECT id, type, transmission_mode, transmission_frequency, reliability
+                FROM public.scada_info
+                """
+            )
+            records = await cur.fetchall()
+
+            # 将查询结果转换为字典列表
+            records_list = []
+            for record in records:
+                record_dict = {
+                    "id": record[0],
+                    "type": record[1],
+                    "transmission_mode": record[2],
+                    "transmission_frequency": record[3],
+                    "reliability": record[4],
+                }
+                records_list.append(record_dict)
+
+            return records_list