return tx2.Scan(&User{}).Error
		})
	})

	if err != nil {
		t.Error(err)
	}

	// method with hooks
	err = DB.Transaction(func(tx1 *gorm.DB) error {
		// callMethod do
		tx2 := tx1.Find(&User{}).Session(&gorm.Session{NewDB: true})
		// trx in hooks
		return tx2.Transaction(func(tx3 *gorm.DB) error {
			return tx3.Where("user_id", user.ID).Delete(&Account{}).Error
		})
	})

}

func (sd emptyQueryClause) Build(clause.Builder) {
}

func (sd emptyQueryClause) MergeClause(*clause.Clause) {
}

func (sd emptyQueryClause) ModifyStatement(stmt *gorm.Statement) {
	// do nothing
}

func TestAssociationEmptyQueryClause(t *testing.T) {
	type Organization struct {
		gorm.Model
		Name string
	}
	type Region struct {
		gorm.Model
		Name          string