"ALTER TABLE ? ADD ? ?",
				m.CurrentTable(stmt), clause.Column{Name: f.DBName}, m.DB.Migrator().FullDataTypeOf(f),
			).Error
		}

		return nil
	})
}

// DropColumn drop value's `name` column
func (m Migrator) DropColumn(value interface{}, name string) error {
	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
		if stmt.Schema != nil {
			if field := stmt.Schema.LookUpField(name); field != nil {