Fixed issue #17992: Unable to reimport tokens from old table (#3219)

Co-authored-by: lapiudevgit <devgit@lapiu.biz>
Co-authored-by: Olle Härstedt <olle.haerstedt@limesurvey.org>

application/config/version.php

@@ -12,7 +12,7 @@
  */
 
 $config['versionnumber'] = '5.6.31';
-$config['dbversionnumber'] = 497;
+$config['dbversionnumber'] = 498;
 $config['buildnumber'] = '';
 $config['updatable'] = true;
 $config['templateapiversion']  = 3;

application/helpers/update/updates/Update_498.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace LimeSurvey\Helpers\Update;
+
+/**
+ * Some of it is a copy of update 453 which has been skipped on some installations
+ */
+class Update_498 extends DatabaseUpdateBase
+{
+    public function up()
+    {
+        $columnSchema = $this->db->getSchema()->getTable('{{archived_table_settings}}')->getColumn('attributes');
+        if ($columnSchema === null) {
+            $this->db->createCommand()->addColumn('{{archived_table_settings}}', 'attributes', 'text NULL');
+            $archivedTableSettings = \Yii::app()->db->createCommand("SELECT * FROM {{archived_table_settings}}")->queryAll();
+            foreach ($archivedTableSettings as $archivedTableSetting) {
+                if ($archivedTableSetting['tbl_type'] === 'token') {
+                    $this->db->createCommand()->update('{{archived_table_settings}}', ['attributes' => json_encode(['unknown'])], 'id = :id', ['id' => $archivedTableSetting['id']]);
+                }
+            }
+        }
+    }
+}