// avoid using the same name field
		if stmt.Schema == nil {
			return errors.New("failed to get schema")
		}
		f := stmt.Schema.LookUpField(name)
		if f == nil {
			return fmt.Errorf("failed to look up field with name: %s", name)
		}

		if !f.IgnoreMigration {
			return m.DB.Exec(
				"ALTER TABLE ? ADD ? ?",
				m.CurrentTable(stmt), clause.Column{Name: f.DBName}, m.DB.Migrator().FullDataTypeOf(f),

}

type Author struct {
	gorm.Model
}

type Book struct {
	gorm.Model
	Author   Author
	AuthorID uint
}

func (Book) TableName() string {
	return "my_schema.a_very_very_very_very_very_very_very_very_long_table_name"
}

func TestParseConstraintNameWithSchemaQualifiedLongTableName(t *testing.T) {
	s, err := schema.Parse(
		&Book{},
		&sync.Map{},