}

				for _, ref := range rel.References {
					updateMap[ref.ForeignKey.DBName] = nil
				}

				association.Error = association.DB.UpdateColumns(updateMap).Error
			}
			if association.Unscope && oldBelongsToExpr != nil {
				association.Error = association.DB.Model(nil).Where(oldBelongsToExpr).Delete(reflect.New(rel.FieldSchema.ModelType).Interface()).Error
			}

	if product.Name != "Product New4" || product.Price != 320 || product.Code != "" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	DB.Model(&product).UpdateColumns(Product3{Code: "L1215"})
	if product.Price != 320 || product.Code != "L1215" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	tx = db.getInstance()
	tx.Statement.Dest = map[string]interface{}{column: value}
	tx.Statement.SkipHooks = true
	return tx.callbacks.Update().Execute(tx)
}

func (db *DB) UpdateColumns(values interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.Dest = values
	tx.Statement.SkipHooks = true
	return tx.callbacks.Update().Execute(tx)
}