db.Statement.ConnPool = preparedStmtTx
		}
	} else {
		db.AddError(ErrUnsupportedDriver)
	}
	return db
}

func (db *DB) RollbackTo(name string) *DB {
	if savePointer, ok := db.Dialector.(SavePointerDialectorInterface); ok {
		// close prepared statement, because RollbackTo not support prepared statement.
		// e.g. mysql8.0 doc: https://dev.mysql.com/doc/refman/8.0/en/sql-prepared-statements.html
		var (

}

// SavePointerDialectorInterface save pointer interface
type SavePointerDialectorInterface interface {
	SavePoint(tx *DB, name string) error
	RollbackTo(tx *DB, name string) error
}

// TxBeginner tx beginner
type TxBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}

// ConnPoolBeginner conn pool beginner

* Hooks (Before/After Create/Save/Update/Delete/Find)
* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map
* SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints, NamedArg, Search/Update/Create with SQL Expr

  // paused indicates that the deployment is paused.
  // +optional
  optional bool paused = 7;

  // DEPRECATED.
  // rollbackTo is the config this deployment is rolling back to. Will be cleared after rollback is done.
  // +optional
  optional RollbackConfig rollbackTo = 8;

  // progressDeadlineSeconds is the maximum time in seconds for a deployment to make progress before it

	user1 := *GetUser("transaction-save-point-1", Config{})
	tx.Create(&user1)

	if err := tx.First(&User{}, "name = ?", user1.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := tx.RollbackTo("save_point1").Error; err != nil {
		t.Fatalf("Failed to save point, got error %v", err)
	}

	if err := tx.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")

  // The annotations to be updated to a deployment
  // +optional
  map<string, string> updatedAnnotations = 2;

  // The config of this deployment rollback.
  optional RollbackConfig rollbackTo = 3;
}

// DeploymentSpec is the specification of the desired behavior of the Deployment.
message DeploymentSpec {
  // Number of desired pods. This is a pointer to distinguish between explicit

### Apps

- The `.spec.rollbackTo` field of the Deployment kind is deprecated in `extensions/v1beta1`.

- The `kubernetes.io/created-by` annotation is deprecated and will be removed in version 1.9.