--- gantt.sql	2002/09/11 16:09:47	1.1
+++ gantt.sql	2002/09/11 20:54:24	1.2
@@ -3,11 +3,12 @@
 create table gantt (
 	start datetime default now(),
 	finish datetime default now(),
-	sessionid varchar(20) primary key,
+	sessionid varchar(20) not null,
 	type varchar(80) not null,
 	status varchar(80) not null,
 	user_group_host varchar(80) not null,
-	specification varchar(80) not null
+	specification varchar(80) not null,
+	primary key (sessionid,type,status)
 );
 
 create index ind_sessionid on gantt ( sessionid );