Index: /branches/comu-ver2/html/install/sql/create_table_mysql.sql
===================================================================
--- /branches/comu-ver2/html/install/sql/create_table_mysql.sql	(revision 18616)
+++ /branches/comu-ver2/html/install/sql/create_table_mysql.sql	(revision 18632)
@@ -276,5 +276,6 @@
     email text,
     name text,
-    send_flag smallint
+    send_flag smallint,
+    PRIMARY KEY (send_id, customer_id)
 ) TYPE=InnoDB;
 
Index: /branches/comu-ver2/html/install/sql/create_table_pgsql.sql
===================================================================
--- /branches/comu-ver2/html/install/sql/create_table_pgsql.sql	(revision 18616)
+++ /branches/comu-ver2/html/install/sql/create_table_pgsql.sql	(revision 18632)
@@ -273,8 +273,9 @@
 CREATE TABLE dtb_send_customer (
     customer_id int,
-    send_id serial NOT NULL,
+    send_id int NOT NULL,
     email text,
     name text,
-    send_flag smallint
+    send_flag smallint,
+    PRIMARY KEY (send_id, customer_id)
 );