IB: do not insert into VTQ on optimized fields only update [closes #80]

mysql-test/suite/versioning/r/update.result

@@ -520,8 +520,6 @@ No	A	B	C	D
 18	1	1	1	1
 19	1	1	1	1
 20	1	1	1	1
-21	1	1	1	1
-22	1	1	1	1
 drop procedure test_01;
 drop procedure test_02;
 drop procedure test_03;

storage/innobase/row/row0mysql.cc

@@ -2198,7 +2198,11 @@ row_update_for_mysql_using_upd_graph(
 		}
 	}
 
-	if (DICT_TF2_FLAG_IS_SET(node->table, DICT_TF2_VERSIONED)) {
+	if (DICT_TF2_FLAG_IS_SET(node->table, DICT_TF2_VERSIONED) &&
+		(node->versioned || node->vers_delete ||
+			// TODO: imrove this check (check if we touch only
+			// unversioned fields in foreigh table
+			node->foreign)) {
 		trx->vtq_notify_on_commit = true;
 	}