return idx.ColumnList
}

// PrimaryKey returns the index is primary key or not.
func (idx Index) PrimaryKey() (isPrimaryKey bool, ok bool) {
	return idx.PrimaryKeyValue.Bool, idx.PrimaryKeyValue.Valid
}

// Unique returns whether the index is unique or not.
func (idx Index) Unique() (unique bool, ok bool) {
	return idx.UniqueValue.Bool, idx.UniqueValue.Valid
}

// Option return the optional attribute of the index

	// except in the definition (handled at end of function).
	refName := make(map[*ast.Expr]*Name)
	for _, r := range f.Ref {
		refName[r.Expr] = r.Name
	}
	for _, d := range f.AST.Decls {
		d, ok := d.(*ast.GenDecl)
		if !ok || d.Tok != token.TYPE {
			continue
		}
		for _, s := range d.Specs {
			s := s.(*ast.TypeSpec)
			n := refName[&s.Type]
			if n != nil && n.Mangle != "" {
				override[n.Mangle] = s.Name.Name
			}

	f.set = true
	for {
		// Read tokens from the XML document in a stream.
		t, err := d.Token()
		if err != nil {
			if err == io.EOF {
				break
			}
			return err
		}

		if se, ok := t.(xml.StartElement); ok {
			switch se.Name.Local {
			case "Prefix":
				var p Prefix
				if err = d.DecodeElement(&p, &se); err != nil {
					return err
				}
				f.Prefix = p
			case "And":
				var and And

	// empty format to indicate disk not found, but this
	// empty should return false.
	formats[0] = nil

	if ok := formatErasureV3ThisEmpty(formats); ok {
		t.Fatalf("expected value false, got %t", ok)
	}

	formats[2].Erasure.This = ""
	if ok := formatErasureV3ThisEmpty(formats); !ok {
		t.Fatalf("expected value true, got %t", ok)
	}
}

// Tests xl format migration.
func TestFormatErasureMigrate(t *testing.T) {

	}
	if o.IsCompressed() {
		sizeStr, ok := o.UserDefined[ReservedMetadataPrefix+"actual-size"]
		if !ok {
			return -1, errInvalidDecompressedSize
		}
		size, err := strconv.ParseInt(sizeStr, 10, 64)
		if err != nil {
			return -1, errInvalidDecompressedSize
		}
		return size, nil
	}
	if _, ok := crypto.IsEncrypted(o.UserDefined); ok {
		sizeStr, ok := o.UserDefined[ReservedMetadataPrefix+"actual-size"]

	if conf.IsSPEnabled() {
		credential, err = newCredentialFromSP(conf)
	} else {
		credential, err = azblob.NewSharedKeyCredential(conf.AccountName, conf.AccountKey)
	}
	if err != nil {
		if _, ok := err.(base64.CorruptInputError); ok {
			return nil, errors.New("invalid Azure credentials")
		}
		return nil, err
	}
	p := azblob.NewPipeline(credential, azblob.PipelineOptions{})
	var u *url.URL
	if conf.Endpoint != "" {

		decoded = make([]any, 0)
	} else {
		decoded = map[string]any{}
	}
	if err := json.Unmarshal(uglyJSON, &decoded); err != nil {
		return []string{}, err
	}
	if d, ok := decoded.(map[string]any); ok {
		if v, ok := d["spec"]; ok {
			// Fall back to showing the entire spec.
			// (When --config-path is used there will be no spec to remove)
			decoded = v
		}
	}
	setflags, err := walk("", "", decoded)

		callMethod(db, func(value interface{}, tx *gorm.DB) (called bool) {
			if db.Statement.Schema.BeforeSave {
				if i, ok := value.(BeforeSaveInterface); ok {
					called = true
					db.AddError(i.BeforeSave(tx))
				}
			}

			if db.Statement.Schema.BeforeCreate {
				if i, ok := value.(BeforeCreateInterface); ok {
					called = true
					db.AddError(i.BeforeCreate(tx))
				}
			}
			return called
		})
	}
}

	case bool:
		_, ok = b.value.(bool)
	case string:
		_, ok = b.value.(string)
	case int64:
		_, ok = b.value.(int64)
	case float64:
		_, ok = b.value.(float64)
	case time.Time:
		_, ok = b.value.(time.Time)
	case []byte:
		_, ok = b.value.([]byte)
	case []Value:
		_, ok = b.value.([]Value)
	default:
		ok = reflect.TypeOf(v.value) == reflect.TypeOf(b.value)
	}
	return ok
}

	if len(args) == 0 {
		return errInvalidArgument
	}

	ok := true
	for _, arg := range args {
		ok = ok && !ellipses.HasEllipses(arg)
	}

	var setArgs [][]string

	v, err := env.GetInt(EnvErasureSetDriveCount, 0)
	if err != nil {
		return err
	}
	setDriveCount := uint64(v)

	// None of the args have ellipses use the old style.
	if ok {
		setArgs, err = GetAllSets(setDriveCount, args...)