// CurrentDatabase returns current database name
func (m Migrator) CurrentDatabase() (name string) {
	m.DB.Raw("SELECT DATABASE()").Row().Scan(&name)
	return
}

// ReorderModels reorder models according to constraint dependencies
func (m Migrator) ReorderModels(values []interface{}, autoAdd bool) (results []interface{}) {
	type Dependency struct {
		*gorm.Statement
		Depends []*schema.Schema
	}

	var (