try {

	sql connect "session1" {cm get "demo_cm_mysql";};
	json load "keyId" (file load "data/file.json";);

	json parse_obj "keyId" "/" "[key]" "obj" {
	
		#without [] obj is loaded automaticaly;
		-> "[A]" (json select "obj" "/A");
		-> "[B]" (json select "obj" "/B");
		-> "[C]" (json select "obj" "/C");
	
		sql dml "session1" (concat "insert into products (id, name, quantity) values (" (sql encode [A]) ", " (sql encode [B]) ", " (sql encode [C]) ");");
	
	};

	sql disconnect "session1";

} {

	try {sql disconnect "session1";} {} "[err]";

} "[err]";

try {

	sql connect "session1" {cm get "demo_cm_mysql";};
	json load "keyId" (file load "data/file.json";);

	json parse_obj "keyId" "/" "[key]" "[row]" {

		#with [] you must load obj;
		json load "obj" [row];
		-> "[A]" (json select "obj" "/A");
		-> "[B]" (json select "obj" "/B");
		-> "[C]" (json select "obj" "/C");
		
		sql dml "session1" (concat "insert into products (id, name, quantity) values (" (sql encode [A]) ", " (sql encode [B]) ", " (sql encode [C]) ");");
	
	};

	sql disconnect "session1";

} {

	try {sql disconnect "session1";} {} "[err]";

} "[err]";