修复非no_dup_code模式下，请求不带有working_subclass，查询获取第一个结果

EdgeManager.php

@@ -117,7 +117,7 @@ $worker -> onMessage = function(TcpConnection $connection, Request $request) {
                     ], json_encode(array(
                         'action' => 'result_set_node_data',
                         'errcode' => 4002,
-                        'errmsg' => '未登记过的工序单元！'
+                        'errmsg' => '工序单元有误，请检查是否未指定或未登记！'
                     )));
                     $connection -> send($response);
                 } else if ($data_capture -> check_res === 'MISMATCH_TYPE') {

EdgeManager/EDataCapture/EDataCapture.php

@@ -24,9 +24,12 @@ class EDataCapture {
                     $this -> working_subclass =  $this -> post -> param -> working_subclass;
                 }
             }else{
-                //根据code查询working_subclasses
+                if ($this -> no_dup_code) {
+                    $this -> check_res = 'WRONG_WORKING_SUBCLASS';
+                    return;
+                }
                 $working_subclass = ENodeConfigure::get_working_subclasses_by_codes($this -> dbconn, $this -> post -> param -> data[0] -> code);
-                $this -> working_subclass = $working_subclass[0];
+                $this -> working_subclass = $working_subclass['working_subclass'];
             }
     
             if ($this -> no_dup_code) {

EdgeManager/EDataCapture/ENodeConfigure.php

@@ -132,7 +132,7 @@ class ENodeConfigure {
             WHERE code = '%s'",
             $code
         ));
-        return pg_fetch_all_columns($res, 0);
+        return pg_fetch_assoc($res);
     }
 
     function get_codes_by_working_subclasses() {