[增添]添加了datasource的setting数据库以及默认值

vendor/symfony/uid/MaxUuid.php

@@ -0,0 +1,22 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Uid;
+
+class MaxUuid extends Uuid
+{
+    protected const TYPE = -1;
+
+    public function __construct()
+    {
+        $this->uid = parent::MAX;
+    }
+}