try {

	sql connect "session1" {cm get "demo_cm_mysql";};

	sql auto_commit "session1" false;

	sql dml "session1" (concat "insert into products (id, name, quantity) values (4, 'name 4', '4567');");
	sql dml "session1" (concat "insert into products (id, name, quantity) values (5, 'name 5', '4567');");
	sql dml "session1" (concat "insert into products (id, name, quantity) values (6, 'name 6', '4567');");
	sql dml "session1" (concat "insert into products (id, name, quantity) values (7, 'name 7', '4567');");

	sql commit "session1";

	sql disconnect "session1";

} {

	try {sql rollback "session1";} {} "[err_sql]";
	try {sql disconnect "session1";} {} "[err_sql]";
	
	log trace [err_global]; 

} "[err_global]";