Add `user_id` to %ticket_thread at install time

include/upgrader/streams/core.sig

-8473721890e9eddb6417076c96b715a1
+934954de8914d9bd2bb8343e805340ae

include/upgrader/streams/core/ed60ba20-84737218.patch.sql → include/upgrader/streams/core/ed60ba20-934954de.patch.sql

 /**
  * @version v1.8.1
- * @signature 8473721890e9eddb6417076c96b715a1
+ * @signature 934954de8914d9bd2bb8343e805340ae
  * @title Various schema improvements and bug fixes
  *
  */
@@ -46,5 +46,5 @@ ALTER TABLE `%TABLE_PREFIX%ticket_collaborator`
 
 -- Finished with patch
 UPDATE `%TABLE_PREFIX%config`
-    SET `value` = '8473721890e9eddb6417076c96b715a1'
+    SET `value` = '934954de8914d9bd2bb8343e805340ae'
     WHERE `key` = 'schema_signature' AND `namespace` = 'core';

setup/inc/streams/core/install-mysql.sql

@@ -609,6 +609,7 @@ CREATE TABLE `%TABLE_PREFIX%ticket_thread` (
   `pid` int(11) unsigned NOT NULL default '0',
   `ticket_id` int(11) unsigned NOT NULL default '0',
   `staff_id` int(11) unsigned NOT NULL default '0',
+  `user_id` int(11) unsigned not null default 0,
   `thread_type` enum('M','R','N') NOT NULL,
   `poster` varchar(128) NOT NULL default '',
   `source` varchar(32) NOT NULL default '',