Illuminate: ready. (critical)

- DB에서 illuminate를 가져올 수 있도록 설정
- 업그레이듵 불가, RootDB, DB를 직접 수정해야함

vendor/illuminate/database/Query/Expression.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Illuminate\Database\Query;
+
+class Expression
+{
+    /**
+     * The value of the expression.
+     *
+     * @var mixed
+     */
+    protected $value;
+
+    /**
+     * Create a new raw query expression.
+     *
+     * @param  mixed  $value
+     * @return void
+     */
+    public function __construct($value)
+    {
+        $this->value = $value;
+    }
+
+    /**
+     * Get the value of the expression.
+     *
+     * @return mixed
+     */
+    public function getValue()
+    {
+        return $this->value;
+    }
+
+    /**
+     * Get the value of the expression.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return (string) $this->getValue();
+    }
+}