Index: branches/5.3.x/core/install/install_schema.sql
===================================================================
diff -u -N -r15902 -r15938
--- branches/5.3.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 15902)
+++ branches/5.3.x/core/install/install_schema.sql	(.../install_schema.sql)	(revision 15938)
@@ -432,6 +432,9 @@
   EventType tinyint(4) DEFAULT NULL,
   EventParams text,
   AccessKey varchar(32) NOT NULL DEFAULT '',
+  ToUserId int(11) DEFAULT NULL,
+  ItemPrefix varchar(50) NOT NULL DEFAULT '',
+  ItemId int(11) DEFAULT NULL,
   PRIMARY KEY (EmailLogId),
   KEY `timestamp` (SentOn)
 );