Index: trunk/admin/install/inportal_schema.sql
===================================================================
diff -u -r1176 -r1267
--- trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 1176)
+++ trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 1267)
@@ -563,7 +563,8 @@
   Context varchar(255) default NULL,
   GroupList varchar(255) NOT NULL default '',
   PRIMARY KEY  (SysCacheId),
-  KEY Name (Name)
+  KEY Name (Name),
+  KEY Expire (Expire)
 )    
 
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