OP_UPDATE
op = OP_UPDATE;
if (op == OP_UPDATE || op == OP_DELETE || op == OP_TEST) {
if (op != OP_UPDATE || errno != ENOENT)
opflag |= OP_UPDATE;
opflag |= OP_UPDATE;
if (opflag & OP_UPDATE) {
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE:
case OP_UPDATE: