Index: trunk/admin/install/inportal_schema.sql
===================================================================
diff -u -N -r3983 -r3999
--- trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 3983)
+++ trunk/admin/install/inportal_schema.sql	(.../inportal_schema.sql)	(revision 3999)
@@ -460,7 +460,7 @@
   IsNotWhere text,
   ContainsWhere text,
   NotContainsWhere text,
-  CustomFieldId int(11) NOT NULL default '0',
+  CustomFieldId int(11) default NULL,
   PRIMARY KEY  (SearchConfigId)
 )