if len(v) > 0 {
				writer.WriteByte('(')
				stmt.AddVar(writer, v...)
				writer.WriteByte(')')
			} else {
				writer.WriteString("(NULL)")
			}
		case *DB:
			subdb := v.Session(&Session{Logger: logger.Discard, DryRun: true}).getInstance()
			if v.Statement.SQL.Len() > 0 {
				var (
					vars = subdb.Statement.Vars
					sql  = v.Statement.SQL.String()
				)

}

// DB GORM DB definition
type DB struct {
	*Config
	Error        error
	RowsAffected int64
	Statement    *Statement
	clone        int
}

// Session session config when create session with Session() method
type Session struct {
	DryRun                   bool
	PrepareStmt              bool
	NewDB                    bool
	Initialized              bool
	SkipHooks                bool

		t.Fatalf("errors happened when update: %v", err)
	}

	var user3 User
	DB.Preload("Pets").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

	if err := DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user4 User
	DB.Preload("Pets").Find(&user4, "id = ?", user.ID)
	CheckUser(t, user4, user)

	result := DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&simpleUsers, user.ID)

	if !regexp.MustCompile("SELECT .*id.*name.*updated_at.*created_at.* FROM .*users").MatchString(result.Statement.SQL.String()) {
		t.Fatalf("SQL should include selected names, but got %v", result.Statement.SQL.String())
	}

	result = DB.Session(&gorm.Session{DryRun: true}).Model(&User{}).Find(&User{}, user.ID)

		}
	}

	associationDB := association.DB.Session(&Session{}).Model(nil)
	if !association.DB.FullSaveAssociations {
		associationDB.Select(selectedSaveColumns)
	}
	if len(omitColumns) > 0 {
		associationDB.Omit(omitColumns...)
	}
	associationDB = associationDB.Session(&Session{})

	switch reflectValue.Kind() {
	case reflect.Slice, reflect.Array:

	coupon := &Coupon{
		AppliesToProduct: []*CouponProduct{
			{ProductId: "full-save-association-product1"},
		},
		AmountOff:  10,
		PercentOff: 0.0,
	}

	err := DB.
		Session(&gorm.Session{FullSaveAssociations: true}).
		Create(coupon).Error
	if err != nil {
		t.Errorf("Failed, got error: %v", err)
	}

	if DB.First(&Coupon{}, "id = ?", coupon.ID).Error != nil {

	DB.Raw("select * from users WHERE id = ?", users[1].ID).First(&user)
	CheckUser(t, user, *users[1])
}

func TestDryRun(t *testing.T) {
	user := *GetUser("dry-run", Config{})

	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Create(&user).Statement
	if stmt.SQL.String() == "" || len(stmt.Vars) != 9 {
		t.Errorf("Failed to generate sql, got %v", stmt.SQL.String())
	}

		{Code: "TestDuplicateMany2ManyAssociation-language-1"},
		{Code: "TestDuplicateMany2ManyAssociation-language-3"},
	}}
	users := []*User{&user1, &user2}
	var err error
	err = DB.Session(&gorm.Session{FullSaveAssociations: true}).Save(users).Error
	AssertEqual(t, nil, err)

	var findUser1 User
	err = DB.Preload("Languages").Where("id = ?", user1.ID).First(&findUser1).Error
	AssertEqual(t, nil, err)