t.Fatalf("Should find saved record, but got %v", err)
	}

	tx2.Commit()

	if err := DB.First(&User{}, "name = ?", "transaction-2").Error; err != nil {
		t.Fatalf("Should be able to find committed record, but got %v", err)
	}

	t.Run("this is test nested transaction and prepareStmt coexist case", func(t *testing.T) {
		// enable prepare statement
		tx3 := DB.Session(&gorm.Session{PrepareStmt: true})

	if err != nil || numEntries < 0 || int(2*numEntries) < int(numEntries) {
		return nil, ErrHeader
	}

	// Parse for all member entries.
	// numEntries is trusted after this since a potential attacker must have
	// committed resources proportional to what this library used.
	if err := feedTokens(2 * numEntries); err != nil {
		return nil, err
	}
	spd := make(sparseDatas, 0, numEntries)
	for i := int64(0); i < numEntries; i++ {

		t.Fatalf("Should find saved record, but got %v", err)
	}

	tx2.Commit()

	if err = db.First(&User{}, "name = ?", "transaction-2").Error; err != nil {
		t.Fatalf("Should be able to find committed record, but got %v", err)
	}

	Version = "DEVELOPMENT.GOGET"

	// ReleaseTag - release tag in TAG.%Y-%m-%dT%H-%M-%SZ.
	ReleaseTag = "DEVELOPMENT.GOGET"

	// CommitID - latest commit id.
	CommitID = "DEVELOPMENT.GOGET"

	// ShortCommitID - first 12 characters from CommitID.
	ShortCommitID = "DEVELOPMENT.GOGET"

	// CopyrightYear - dynamic value of the copyright end year
	CopyrightYear = "0000"

func (target *KafkaTarget) SendFromStore(key store.Key) error {
	if err := target.init(); err != nil {
		return err
	}

	// If batch is enabled, the event will be batched in memory
	// and will be committed once the batch is full.
	if target.batch != nil {
		return target.addToBatch(key)
	}

	eventData, eErr := target.store.Get(key.Name)
	if eErr != nil {

// ServerProperties holds some server information such as, version, region
// uptime, etc..
type ServerProperties struct {
	Uptime       int64    `json:"uptime"`
	Version      string   `json:"version"`
	CommitID     string   `json:"commitID"`
	DeploymentID string   `json:"deploymentID"`
	Region       string   `json:"region"`
	SQSARN       []string `json:"sqsARN"`
}

// serverConnStats holds transferred bytes from/to the server

	if result.ID == 0 {
		t.Errorf("Should not have ID because only selected name, %+v", result.ID)
	}

	if result.Name != "" || result.Age != 20 {
		t.Errorf("User Name should be omitted, got %v, Age should be ok, got %v", result.Name, result.Age)
	}
}

func TestOmitWithAllFields(t *testing.T) {
	user := User{Name: "OmitUser1", Age: 20}
	DB.Save(&user)

	var userResult User

func (db *DB) Commit() *DB {
	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil && !reflect.ValueOf(committer).IsNil() {
		db.AddError(committer.Commit())
	} else {
		db.AddError(ErrInvalidTransaction)
	}
	return db
}

// Rollback rollbacks the changes in a transaction
func (db *DB) Rollback() *DB {
	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil {

		return
	}
	if (zb0001Mask & 0x20) == 0 { // if not omitted
		// write "index"
		err = en.Append(0xa5, 0x69, 0x6e, 0x64, 0x65, 0x78)
		if err != nil {
			return
		}
		err = en.WriteBytes(z.Index)
		if err != nil {
			err = msgp.WrapError(err, "Index")
			return
		}
	}
	if (zb0001Mask & 0x40) == 0 { // if not omitted
		// write "crc"
		err = en.Append(0xa3, 0x63, 0x72, 0x63)

}

// ConnPoolBeginner conn pool beginner
type ConnPoolBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (ConnPool, error)
}

// TxCommitter tx committer
type TxCommitter interface {
	Commit() error
	Rollback() error
}

// Tx sql.Tx interface
type Tx interface {
	ConnPool
	TxCommitter
	StmtContext(ctx context.Context, stmt *sql.Stmt) *sql.Stmt
}