tx.Session(&gorm.Session{PrepareStmt: true}).Create(&user)
		return errors.New("test")
	}); err == nil {
		t.Error(err)
	}

	var result User
	if err := DB.First(&result, user.ID).Error; err == nil {
		t.Errorf("Failed, got error: %v", err)
	}
}

func TestPreparedStmtReset(t *testing.T) {
	tx := DB.Session(&gorm.Session{PrepareStmt: true})

		t.Errorf("multiple count in chain should works")
	}

	tx := DB.Model(&User{}).Where("name = ?", user1.Name).Session(&gorm.Session{})
	tx.Count(&count1)
	tx.Or("name in ?", []string{user2.Name, user3.Name}).Count(&count2)
	if count1 != 1 || count2 != 3 {
		t.Errorf("count after new session should works")
	}

	var count3 int64

	if err = db.First(&User{}, "name = ?", "transaction").Error; err == nil {
		t.Fatalf("Should not find record after rollback, but got %v", err)
	}

	txDB := db.Where("fake_name = ?", "fake_name")
	tx2 := txDB.Session(&gorm.Session{NewDB: true}).Begin()
	user2 := *GetUser("transaction-2", Config{})
	if err = tx2.Save(&user2).Error; err != nil {
		t.Fatalf("No error should raise, but got %v", err)
	}

	}

	db := DB.Scopes(func(tx *gorm.DB) *gorm.DB {
		return tx.Table("custom_table")
	}).Session(&gorm.Session{})

	db.AutoMigrate(&User{})
	if db.Find(&User{}).Statement.Table != "custom_table" {
		t.Errorf("failed to call Scopes")
	}

	result := DB.Scopes(NameIn1And2, func(tx *gorm.DB) *gorm.DB {
		return tx.Session(&gorm.Session{})
	}).Find(&users1)

	if result.RowsAffected != 2 {

func (db *DB) Migrator() Migrator {
	tx := db.getInstance()

	// apply scopes to migrator
	for len(tx.Statement.scopes) > 0 {
		tx = tx.executeScopes()
	}

	return tx.Dialector.Migrator(tx.Session(&Session{}))
}

// AutoMigrate run auto migration for given models
func (db *DB) AutoMigrate(dst ...interface{}) error {
	return db.Migrator().AutoMigrate(dst...)
}

// ViewOption view option

			t.Fatalf("rows affected expects: %v, got %v", 1, results.RowsAffected)
		}

		u1 = user{} // important to reinitialize this before creating it again
		u2 := user{}
		db := DB.Session(&gorm.Session{CreateBatchSize: 10})

		if results := db.Create([]*user{&u1, &u2}); results.Error != nil {
			t.Fatalf("errors happened on create: %v", results.Error)
		} else if results.RowsAffected != 2 {

}

func TestBelongsToDefaultValue(t *testing.T) {
	type Org struct {
		ID string
	}
	type BelongsToUser struct {
		OrgID string
		Org   Org `gorm:"default:NULL"`
	}

	tx := DB.Session(&gorm.Session{})
	tx.Config.DisableForeignKeyConstraintWhenMigrating = true
	AssertEqual(t, DB.Config.DisableForeignKeyConstraintWhenMigrating, false)

	tx.Migrator().DropTable(&BelongsToUser{}, &Org{})

	if err := DB.Delete(&User{}).Error; err == nil || !errors.Is(err, gorm.ErrMissingWhereClause) {
		t.Errorf("should returns missing WHERE clause while deleting error")
	}

	if err := DB.Session(&gorm.Session{AllowGlobalUpdate: true}).Delete(&User{}).Error; err != nil {
		t.Errorf("should returns no error while enable global update, but got err %v", err)
	}
}

func TestDeleteWithAssociations(t *testing.T) {