Version 4.2.0

applications/core/setup/upg_31007/upgrade.php

@@ -1,12 +1,11 @@
 <?php
 /**
  * @brief		Upgrade steps
- * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
- * @copyright	(c) 2001 - 2016 Invision Power Services, Inc.
- * @license		http://www.invisionpower.com/legal/standards/
- * @package		IPS Community Suite
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
  * @since		27 May 2014
- * @version		SVN_VERSION_NUMBER
  */
 
 namespace IPS\core\setup\upg_31007;
@@ -47,8 +46,8 @@ class _Upgrade
 					'name'			=> 'like_cache_id',
 					'type'			=> 'varchar',
 					'length'		=> 32,
-					'allow_null'	=> true,
-					'default'		=> null
+					'allow_null'	=> false,
+					'default'		=> ''
 				),
 				array(
 					'name'			=> 'like_cache_app',
@@ -95,8 +94,8 @@ class _Upgrade
 					'name'			=> 'like_id',
 					'type'			=> 'varchar',
 					'length'		=> 32,
-					'allow_null'	=> true,
-					'default'		=> null
+					'allow_null'	=> false,
+					'default'		=> ''
 				),
 				array(
 					'name'			=> 'like_lookup_id',