installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/database/rows/class-order.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Order Database Object Class.
+ *
+ * @package     EDD
+ * @subpackage  Database\Rows
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       3.0
+ */
+namespace EDD\Database\Rows;
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+use EDD\Database\Row;
+
+/**
+ * Order database row class.
+ *
+ * This class exists solely to encapsulate database schema changes, to help
+ * separate the needs of the application layer from the requirements of the
+ * database layer.
+ *
+ * For example, if a database column is renamed or a return value needs to be
+ * formatted differently, this class will make sure old values are still
+ * supported and new values do not conflict.
+ *
+ * @since 3.0
+ */
+class Order extends Row {
+
+}