tierfi := fi
	tierfi.VersionID = ""
	fatalErr(xl.AddVersion(tierfi))
	report()
	tierfi.TransitionStatus = lifecycle.TransitionComplete
	tierfi.TransitionedObjName = mustGetUUID()
	tierfi.TransitionTier = "MINIOTIER-1"
	var err error
	_, err = xl.DeleteVersion(tierfi)
	fatalErr(err)
	report()

	fvIDs := []string{
		"00000000-0000-0000-0000-0000000000f1",
		"00000000-0000-0000-0000-0000000000f2",
	}

}

type join struct {
	Name     string
	Conds    []interface{}
	On       *clause.Where
	Selects  []string
	Omits    []string
	JoinType clause.JoinType
}

// StatementModifier statement modifier interface
type StatementModifier interface {
	ModifyStatement(*Statement)
}

// WriteString write string
func (stmt *Statement) WriteString(str string) (int, error) {
	return stmt.SQL.WriteString(str)
}