hotline #53214 ugrade_db fix

scripts/upgrade_db.php

@@ -4,7 +4,9 @@ require('includes.php');
 define("BASE_URL", "/");
 (new Bokeh_Engine())->warmUp();
 
-Class_CosmoVar::setValueOf('patch_level', 262);
+if (262 < (int)Class_CosmoVar::getValueOf('patch_level'))
+  Class_CosmoVar::setValueOf('patch_level', 262);
+
 $force = $argc>1 && $argv[1]=='--force';
 
 (new Class_Migration_ScriptPatchs())->run($force);