}
	if c.stmtsMade > c.stmtsClosed {
		return errors.New("fakedb: can't close; dangling statement(s)")
	}
	c.db = nil
	return nil
}

func checkSubsetTypes(allowAny bool, args []driver.NamedValue) error {
	for _, arg := range args {
		switch arg.Value.(type) {
		case int64, float64, bool, nil, []byte, string, time.Time:
		default:
			if !allowAny {