}

				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
			}

	})
	assertEqualSQL(t, `UPDATE "users" SET "name"='Foo bar' WHERE id = 100 AND "users"."deleted_at" IS NULL`, sql)

	// UpdateColumns
	sql = DB.ToSQL(func(tx *gorm.DB) *gorm.DB {
		return tx.Model(&User{}).Where("id = ?", 100).UpdateColumns(User{Name: "Foo", Age: 100})
	})
	assertEqualSQL(t, `UPDATE "users" SET "name"='Foo',"age"=100 WHERE id = 100 AND "users"."deleted_at" IS NULL`, sql)

		GetUser("update_column_01", Config{}),
		GetUser("update_column_02", Config{}),
	}

	DB.Create(&users)
	lastUpdatedAt := users[1].UpdatedAt

	// update with map
	DB.Model(users[1]).UpdateColumns(map[string]interface{}{"name": "update_column_02_newname", "age": 100})
	if users[1].Name != "update_column_02_newname" || users[1].Age != 100 {
		t.Errorf("user 2 should be updated with update column")
	}

	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)
}