}

type Index interface {
	Table() string
	Name() string
	Columns() []string
	PrimaryKey() (isPrimaryKey bool, ok bool)
	Unique() (unique bool, ok bool)
	Option() string
}

// TableType table type interface
type TableType interface {
	Schema() string
	Name() string
	Type() string
	Comment() (comment string, ok bool)
}

// Migrator migrator interface
type Migrator interface {
	// AutoMigrate

}

// GetTypeAliases return database type aliases
func (m Migrator) GetTypeAliases(databaseTypeName string) []string {
	return nil
}

// TableType return tableType gorm.TableType and execErr error
func (m Migrator) TableType(dst interface{}) (gorm.TableType, error) {
	return nil, errors.New("not support")

	}

	tableType, err := DB.Table("cities").Migrator().TableType(&City{})
	if err != nil {
		t.Fatalf("failed to get table type, got error %v", err)
	}

	if tableType.Schema() != tblSchema {
		t.Fatalf("expected tblSchema to be %s but got %s", tblSchema, tableType.Schema())
	}

	if tableType.Name() != tblName {