数据库为node配置增加一个enum类型，暂时不增加相关业务逻辑

EdgeManager/Init.php

@@ -10,11 +10,17 @@ function init_db($server_name, $port, $user, $password) {
     $dbconn = pg_connect(sprintf("host=%s port=%s dbname=scada user=%s password=%s", $server_name, $port, $user, $password));
     // 全局未启用TSDB的时候在这里对scada数据库启用就好
     pg_query($dbconn, "CREATE EXTENSION IF NOT EXISTS timescaledb");
+    pg_query(
+        $dbconn,
+        "CREATE TYPE category
+        AS ENUM ('DEVICE_STATUS', 'ITEM_ID', 'DEVICE_DATA', 'PROCESS_DATA', 'RESULT_DATA', 'STATISTICAL_DATA')"
+    );
     pg_query($dbconn, "CREATE TABLE IF NOT EXISTS hf_mes_scada_data_capture_node_configure (
         id serial2 primary key,
         code text,
         name text NOT NULL,
         type text NOT NULL,
+        category category,
         flow_code text,
         working_subclass text NOT NULL,
         workstation text,